XLifter X2 Operation manual

World’s first
Air-suspension controller with self-levelling feature
for the Discovery 3/4 (LR3/4) and RRS Land Rover® vehicles
User manual
(Installation & user guide)
Model X2, Firmware 1.07

XLifter model X2, user guide, ver. 2.0, firmware ver. 1.07
eXpedition tech s.r.o., Těšnov 5, 110 00 Prague 1, Czech Rep., https//www.xlifter.com, [email protected] Page 1
Table of contents:
1. Legal disclaimer 2
2. General description 2
3. Safety information 3
4. Installation 4
4.1. Package Contents 4
4.2. Installation - General Description and Overview 4
4.3. EAS Unit Installation 5
4.4. Control Module Installation 8
4.5. Vehicle type and calibration settings 9
4.6. Dismantling XLifter from vehicle 9
5. Instruction for use 10
5.1. Lifter (7 presets mode): Change height in 7 predefined programs 10
5.2. Lifter (+- 5mm free mode): Free adjustment from -40 to +75 mm 11
5.3. Levelling: self-level the vehicle 12
5.4. Trailer assistant: easier trailer operations 14
5.5. Compressor temperature monitor 14
5.6. Menu “Settings”: User settings 15
5.7. Menu “Extras & Specials”: Extra and recovery features 15
5.8. Menu “Recovery options”: All about fixing problems. 16
6. Calibration 17
7. Service menu 18
7.1. Entering the Service menu 18
7.2. Service menu items description 19
8. Firmware update 20
9. Technical specifications 22
10. Warranty conditions 23
11. Contacts and support 23
Quick Overview:
Congratulations, on your XLifter purchase! I am so glad you decided to read the
instructions. Many users casually dismiss instructions and seek to figure it out on their
own – which is perfectly possible, however, even though I’ve built the product as simple
and intuitive as possible, there are some useful tricks, hints, warnings and “behind the
scenes” info that’s worth a read.
Chapter 4 is all about installation, skip it if the XLifter is already installed.
The most important is chapter 5 - Instruction for use, where the XLifter daily-use
functions are described. Please consider reading it again after a few days of hands-on
experience.
Thank you for your trust in XLifter and have a great experience.

XLifter model X2, user guide, ver. 2.0, firmware ver. 1.07
eXpedition tech s.r.o., Těšnov 5, 110 00 Prague 1, Czech Rep., https//www.xlifter.com, [email protected] Page 2
1. Legal disclaimer
You are hereby provided with an air-suspension controller for Land Rover vehicles – product
named XLifter (hereinafter as “device” or “XLifter”).
XLifter is an additional device able to change/adjust the air-suspension computer/electronic
programming of the vehicle in which the device is installed.
XLifter is not a device approved and designed for installation into vehicles intended to be
operated on public roads namely pursuant to Act. no. 361/2000 Coll, as amended. The
manufacturer does not assume any liability deriving from technical requirements for
operation of vehicles on public roads in case you decide to use this product in traffic on
public roads or anywhere else, where operation of this device may be considered as
unauthorized, whether in the Czech Republic or in any other jurisdiction. The end-user
assumes all liability connected to use of the device on public roads, derived namely
from the mandatory technical requirements for operation of vehicles on public roads
provided by Act. No. 56/2001 Coll and regulation no. 341/2014 Coll.
By installation of the device the end-user releases/discharges the manufacturer from any
liability connected to any influence or damage (whether financial or immaterial) of the
provided product on other systems, parts or components of the vehicle (whether
mechanical or electronical). By installation of this product the end-user also acknowledges
that this product is meant to be used in controlled conditions, namely at low speeds and
with increased caution.
The end-user undertakes the responsibility to inform any prospective future owner of the
respective vehicle equipped with the device and/or about installation of the device.
By installation of the device, you acknowledge the above-mentioned and agree with
the above-mentioned terms. Please use the XLifter only in off-road conditions and not
on public roads.
2. General description
XLifter is an advanced air-suspension controller for specified Land Rover vehicles. XLifter
allows you to take the air suspension capabilities of your Land Rover to the maximum,
making your off-roading or expedition travelling a greater experience.
XLifter gives you more detailed control over the vehicle height settings. Raising the vehicle
above the maximum specified (By Land Rover) “Off-road” height, helps you to tackle difficult
terrain. XLifter is not limited by the 40 Km/h speed limit, therefore travelling over long
stripes of sand, green lanes or gravel roads will be more manageable. Also, XLifter keeps
selected lift settings archived, which means that you can keep it as a selected height
constantly should you wish to. Lowering the vehicle, slightly, improves cornering stability
and aerodynamics (which may add to fuel consumption efficiency). Lowering below the
original access height makes it possible for the entering of low-clearance garages or ferries
and makes cargo loading easier.
XLifter’s unique self-levelling feature makes your in-car or roof top tent conditions more
comfortable during expedition travelling.
XLifter controls are intuitive and comfortable. The control module with graphical OLED
display and physical buttons is optimized for off-road handling.
XLifter EAS unit communicates with the control module wirelessly. Installation to your
vehicle is simple and fully removable when required. No drilling, soldering, or in-car wiring
is required.
XLifter is designed for Land Rover® Discovery 3 (LR3), Discovery 4 (LR4) and Range
Rover® Sport (model L320) vehicles. Range Rover® L322 2007-2012 support is currently
experimental (in development).

XLifter model X2, user guide, ver. 2.0, firmware ver. 1.07
eXpedition tech s.r.o., Těšnov 5, 110 00 Prague 1, Czech Rep., https//www.xlifter.com, [e-mail] Page 3
3. Safety information
This manual contains important information on the installation and use of the XLifter.
Please take some time to read this section to fully utilise the XLifter features and to ensure
that you know how to operate it safely. Use the XLifter only for its intended purpose as
described in this user manual.
What the safety symbols in this user manual mean:
This symbol represents potential general warnings, hazards or unsafe practices
that may result in possible damage to vehicle or vehicle systems. Please read texts
marked by this symbol carefully and proceed according to provided
instructions to avoid risks.
Warning: This symbol, with the word "warning" attached above or next to the
symbol, indicates situations where non-compliance may result in serious injury or
damage to the equipment or vehicle.
Safety instructions are described on a continuous basis in the description of each XLifter
function. However, below is an overview of the most important ones:
General warnings:
Warning: Ensure that the XLifter is operated only by a person familiar with this manual. If
another person is driving, please activate the Keylock function before driving, as a safety
measure. (see chapter 5.4)
Warning: If an XLifter is left installed in the vehicle when it is sold, notify the new acquirer
and familiarize him with this manual. Please keep this manual in the vehicle in an
accessible location for a future reference.
Warning: Do not use XLifter while driving on the public roads. Do not lower or raise the
vehicle at high speeds.
Warning: When using the XLifter mobile application, same warnings applies. There is no
difference when you control the XLifter from the control module or mobile app
Warnings for the lifter and lifer-free functions:
Warning: Don’t overstress the CV joints when in extreme lifts - “Sky Rocket” (+75 mm) or
any lift program while the “original” vehicle height is engaged in Off Road. Be gentle with
the accelerator pedal when you have low-range engaged and you are steering
excessively to the left or right with.
Warning: In the original “Off Road” vehicle height, it is not recommended to lift the vehicle
with XLifter by more than +25 mm permanently due to possible increase wear of the air-
springs.
Warning: Be gentle to the vehicle compressor! The compressor will overheat when the
vehicle is lowered/raised several times (3x is enough) in a row. When overheated to approx.
130 °C, the Land Rover EAS unit inhibit further operation until cooled down. Cooling takes
about 10 minutes. Watch the compressor temperature!
Warning for the levelling function:
Warning: NEVER start the levelling function while driving. The wheels height will be set
differently, which results to potentially dangerous situation. Start levelling ONLY when the
vehicle is stationary.
When active, the levelling function must be exited before driving. Otherwise you start
driving with unbalanced wheel heights, exposing yourself to potentially dangerous
situations and you may even damage your vehicle. NEVER leave the camping place with
levelling still active!
Do not engage electronic park break (EPB) before or during levelling. It will cause
unnecessary tension on the park brake cables, which will counteract wheel movement.
You may use the features in park mode without the brake engaged.
Warning: Close all doors before starting the levelling function to prevent possible damage
due to contact with surrounding obstacles/obstructions.

XLifter model X2, user guide, ver. 2.0, firmware ver. 1.07
eXpedition tech s.r.o., Těšnov 5, 110 00 Prague 1, Czech Rep., https//www.xlifter.com, [email protected] Page 4
4. Installation
4.1. Package Contents
1x XLifter EAS installation
1x Cable harness with the bypass
plug
1x XLifter control module
1x Velcro strip for easy control module installation
1x User manual
1x XLifter sticker
4.2. Installation - General Description and Overview
The XLifter device consists of 2 main components - the control module and the EAS
installation unit (EAS stands for Electronic Air Suspension). The control module (display unit
with buttons) is used to control all settings and to inform the user of the operating status.
The EAS unit serves to adjust the wheel height sensor signals and vehicle tilt
measurements. Communication of the control module and the EAS unit is wireless.
The control module can be placed anywhere in the interior of the vehicle that allows for
easy accessibility – as per user preference. The control module needs to be connected to an
12V power supply (cigarette lighter socket). Advanced users may cut the power connector
and connect the cable to appropriate 12V junction point. Installation with all cables hidden
will look more aesthetically pleasing and the lighter socket will not be blocked by the
plugged-in unit.
The XLifter EAS unit is installed near the original air suspension control unit and connects
with it via the supplied cable harness. The XLifter EAS unit is mechanically attached to the
body of the vehicle after installation, thus serves also as an accurate tilt sensor.
Please see the XLifter installation video guide before installation!
It is available on YouTube - search for XLifter installation guide:
Discovery 3,4 & Range Rover Sport: https://youtu.be/gEOBpTRY0O8
Range Rover L322 2007 – 2009: https://youtu.be/Fz_a2Fp91Gc
Range Rover L322 2010 – 2012: https://youtu.be/Qq9_o0icBFQ
Guide is also available at Facebook (https://www.facebook.com/XLifterEAS/) and
www.xlifter.com.
Please see Xlifter FAQ (Frequently asked questions): https://www.xlifter.com/faq/
Quick installation overview in 4 steps:
1. Install the XLifter EAS unit
2. Connect the cable harness.
3. Plug the control module power to 12V socket..
4. Set the vehicle type and the Steering position and run the
calibration procedure.
Installation guide in this manual is for Discovery 3, 4 & Range Rover Sport.
Procedure is very similar for the other vehicle types – please see the video guides!

XLifter model X2, user guide, ver. 2.0, firmware ver. 1.07
eXpedition tech s.r.o., Těšnov 5, 110 00 Prague 1, Czech Rep., https//www.xlifter.com, [e-mail] Page 5
4.3. EAS Unit Installation
The installation procedure of the EAS unit is listed below for the Discovery 3/4 vehicle.
The Range Rover Sport’s original EAS control unit is located about 10cm lower than in the
Discovery.
For convenient access to the connectors, it is necessary to remove the footwell and the
adjacent left panel (the one with the front bonnet open handle).
Estimated installation time:
●
The EAS unit installation should take approximately 20 minutes.
Tools required:
●
Common cross-head screwdriver (e.g. original from Land Rover equipment).
●
Flashlight - Installation area lighting
EAS unit installation procedure:
1. Disconnect the vehicle battery according to the vehicle user manual (optional)
a. Make sure the ignition is off.
b. Disconnect the + pole.
c. Wait 1 minute.
Note: This is not really required, installing without disconnecting the battery does not
cause problems.
2. Dismantle the lover dashboard cover panel under the steering wheel.
If installing to the Range Rover Sport L320, see the note above.
a. Unscrew the two screws holding the cover.
b. Pull in the direction of the RIGHT green arrow (see picture below) to release a
mechanical connector connecting the cover to the central tunnel.
c. Hold the cover panel in the centre. Pull down and towards you slightly to move
the cover panel down for approximately 10 centimetres.
d. Disconnect the light connector located on the left side (right for RHD vehicles) of
the cover.
e. Remove the entire cover.

XLifter model X2, user guide, ver. 2.0, firmware ver. 1.07
eXpedition tech s.r.o., Těšnov 5, 110 00 Prague 1, Czech Rep., https//www.xlifter.com, [e-mail] Page 6
3. Disconnect wiring harnesses from the original LANDROVER EAS unit

The Land Rover EAS unit is located at the left
(right for RHD vehicles) inner side of car
body – approx. in the middle of imaginary
line between the end of A pillar and drivers
footrest.

Use a flashlight to illuminate the work area.
a. Disconnect the A and B connectors.
Disconnect the connector by pushing the connector lock and pulling it
outwardly. The A and B connectors are the most left and right ones.
b. Place the disconnected cable harnesses temporarily behind the rest of the cables
in area. This will help you to create enough space for a comfortable XLifter EAS
unit installation.
4. Install the XLifter EAS unit
 Prior to sticking the XLifter EAS unit into its final position, it may be a good idea to
practice placing the EAS unit, without having removed the 3M reclosable fastener
protective foil. The 3M fastener sticks very firmly once placed in a position making it
difficult to remove or move.
 The XLifter EAS unit is equipped with a tilt sensor. The unit must be positioned upright
and as accurately – in approximate to the vehicle’s level position on the level surface – as
possible. Otherwise (sticking it horizontally or "upside down"), the leveling function will
not work properly.
a. On the unprinted side of the EAS unit, remove the adhesive protection foil from the
3M fasteners.
b. Place and stick the XLifter EAS unit to
the original Land Rover EAS unit as
shown.
●
The printed side of the unit faces the
centre tunnel.
●
The arrow marked THIS SIDE UP is
pointing up.
●
For the sticking itself, it takes a few
seconds with strong force required.

XLifter model X2, user guide, ver. 2.0, firmware ver. 1.07
eXpedition tech s.r.o., Těšnov 5, 110 00 Prague 1, Czech Rep., https//www.xlifter.com, [e-mail] Page 7
5. Connect the XLifter cable harness
a. Plug the previously disconnected connectors to
the connectors A(in) and B(in) of the supplied
cable harness.
Pay attention to B (in) connector – do not
extensively bend wires close to the
connector. Pins inside connector housing
may slightly bend, thus preventing full
insertion. If you feel that connector is stuck
in half-way, disconnect, fiddle wires a bit and
try again. Watch the video guide.
b. Manoeuvre the cable loom inside and connect
the connectors A(out) and B(out) of the
supplied cable harness to the original Land
Rover EAS unit.
c. Plug the connector C to the XLifter EAS unit.
NOTICE:

Place the "loose" cables in a way so they do not
move freely. If necessary, use any tightening
strap (not included). This prevents them from
"knocking out" in long-term operation.

None of the connectors are interchangeable.
You cannot connect the cable harnesses in an
incorrect way.
All connectors must be fully inserted as far as
they will go, as shown. Some connectors,
especially B ones, require slightly more force
to fully connect. Incomplete insertion is the
source of unpredictable problems, please pay
attention here!
You can optionally connect the supplied bypass
plug to the C connector (instead of the XLifter
EAS unit), for two important functions:
1) Bypass plug allows to keep the cable harness installed in the vehicle without the
EAS unit connected (replacement, removal etc…)
2) bypass plug allows to test the cable harness. With the bypass connector
connected, the vehicle must behave normally - as if no cable harness is installed
at all!!

XLifter model X2, user guide, ver. 2.0, firmware ver. 1.07
eXpedition tech s.r.o., Těšnov 5, 110 00 Prague 1, Czech Rep., https//www.xlifter.com, [email protected] Page 8
6. Connect the vehicle battery in accordance with the vehicle user manual
● Only if you disconnected it in step 1.
● Discovery 4: The “Suspension error” will be displayed. Cycle the ignition to clear it.
● Discovery 3: The “Suspension error” should clear itself in few seconds.
7. Check the status LED on the XLifter EAS unit
● The green status LED flashes at a fast pace - 2x per second, indicating readiness for
operation and awaiting wireless connection from the control module.
8. Re-install the lower dashboard cover panel
● Re-install the cover in reverse manner when dismantling it (just follow the
instructions from step 2 in a reverse order).
● It is a good idea leaving this step as the very last one, when everything is checked
and working.
● Do not forget to connect the light connector.
● When installing the cover back, it is necessary to "hit" with three centring
protrusions on the rear of the cover to the holes on the wall behind the steering
pedals.
● The cover needs to be slightly bent again, it is better to first install the part on the
side of the EAS unit and then the side at the centre tunnel.
4.4. Control Module Installation
The control module and the EAS unit communicates wirelessly, therefore choosing a
suitable location is completely up to you.
The control module is powered from an ignition-switched +12V power supply (e.g.
cigarette lighter socket etc.). If you have enough skills and wish to do so, you can cut off
this connector and hard-wire it into another suitable 12V source later (e.g. cigarette socked
wiring behind centre dashboard), thus making the wiring invisible. The power cable has
standard colours – red for + pole and black is – pole. The control module is equipped with
reverse-polarity protection circuit.
Control module installation procedure:
1. Connect the control module power
 Plug the 12 V power plug into the cigarette lighter socket.
 Attach the control module with the supplied installation material (Velcro) or at
your own discretion to a suitable location (or do this later).
2. Quick-check the control module
● Turn the ignition ON
● The animated logo and the scrolling XLifter EAS unit wireless search indicator
appears on the control module display.
● The control module and the XLifter EAS unit were already paired for you. The
communication should be established within max. 10 seconds. Please allow up to
20 seconds if the EAS unit was just powered up thru the C
connector, or by connecting the vehicle battery.
● When communication is established, the XLifter "home screen"
appears. It will show zero lift and "Not Calibrated" info.

XLifter model X2, user guide, ver. 2.0, firmware ver. 1.07
eXpedition tech s.r.o., Těšnov 5, 110 00 Prague 1, Czech Rep., https//www.xlifter.com, [e-mail] Page 9
4.5. Vehicle type and calibration settings
Before using the XLifter for the first time, it is necessary to set the type of your vehicle and
run the calibration procedure.
1. Press

three times to access the “Confirm calibration” menu.
You will go thru the main and settings menu, to calibration. Menu
items are pre-selected for you.
2. Set the car type

Default car type is set to Discovery 4 (D4), Left hand steering
side. If this is your vehicle, you can skip this and next steps.
1. Use

to select “change car type”, then press

.
2. Use

to select your specific vehicle type and press
.

D3 for L319 Discovery 3 (LR3 in USA). Select your model year. Note: If D3 2008-
09 causes car to tilt and/or throw suspension error, use the D3 2004-07.

D4 for L319 Discovery 4 (LR4 in USA).

RRS for L320 Range Rover Sport, select your model year.

RR for L322 Range Rover, select your model year. L322 support is experimental.
3. In next step, Use

to select correct "Steering position"
(“RIGTHT HAND” or “LEFT HAND”) and press
.

Dependable on the steering side, the EAS unit is mounted in
“mirrored” fashion This setting swaps the inclinometer axes.
The levelling function will not work if set incorrectly.
4. Next, you will be brought back to the “Confirm Calibration” menu.

Please read the chapter 0
 Calibration

When ready, press

to run the calibration procedure.
Congratulations! The installation is finished.
4.6. Dismantling XLifter from vehicle
Of course, XLifter can be dismantled from the vehicle. The procedure is just the opposite of
the installation, with the following differences:
●
In case of temporary disassembly, you may leave the XLifter cable harness still installed.
In such case, you only disconnect the connector C from the XLifter EAS unit (see the
manual for installation, point 5c, chapter 4) and then plug the bypass plug into
disconnected C connector.
●
The EAS unit is detached from the 3M reclosable fastener by a strong pull
perpendicular to the printed side (direction to the centre console). You cannot
separate the fastener by pulling the EAS unit to either side. Do not remove the fastener
left stuck on the original EAS unit. It holds very well. For reassembly into another
vehicle, use a new piece of fastener (not supplied). It is a 3M SJ3550 3M reclosable
fastener, 25 mm wide, 39 head per cm2.

XLifter model X2, user guide, ver. 2.0, firmware ver. 1.07
eXpedition tech s.r.o., Těšnov 5, 110 00 Prague 1, Czech Rep., https//www.xlifter.com, [e-mail] Page 10
5. Instruction for use
The XLifter control module will allow you to set all required parameters and informs you
about operating status. Think of it as a smart wireless remote for the air suspension.
The control module has four arrow buttons
  
. In general, the

buttons are used
to change selected parameter and for scrolling in menus. Right button

invokes menu
or activate selected item. The left button

serves usually as back or cancel.
The XLifter home screen shows the most important status information:

Selected lift program / lift / units

The “original” vehicle height
indicator shows the position
selected on the vehicle centre
console as shown:
= Off Road height
= Standard height
= Access height

Shock absorbers infographics.
The outer edge represents the
shock absorber housing, the
white column is inner rod
coupled with the wheel.

The wheel target height
indicator shows ideal wheel height in selected program when vehicle is on ideal flat
surface.

The compressor head temperature gauge. The “progress bar” is completely empty
when temperature is 20 °C or less and completely full at 125 °C.

Pressing the

whilst in home screen increase/decrease lift program or change
height in 5mm step, according to the active lifter function.
Overview of XLifter functions
All common features are accessible from the main menu.
The main menu is invoked by pressing

when at home screen.
Pressing

when in main menu returns to the home screen.
5.1. Lifter (7 presets mode): Change height in 7 predefined programs
1. Press

to access the main menu.
2. Use

to select “Lifter”, then “7 presets mode”, than

to
activate.
3. Use

to change the lift program.
●
Sky Rocket – height + 75 mm.
●
Off Road – height + 55 mm.
●
One Inch Lift – height + 25 mm.
●
Aesthetic Lift – height + 15 mm.
●
Disengaged – height + 0 mm (default value).
●
Highway Drop – height - 15 mm.
●
One Inch Drop – height - 25 mm.
●
Super Drop – height - 35 mm.

XLifter model X2, user guide, ver. 2.0, firmware ver. 1.07
eXpedition tech s.r.o., Těšnov 5, 110 00 Prague 1, Czech Rep., https//www.xlifter.com, [e-mail] Page 11
5.2. Lifter (+- 5mm free mode): Free adjustment from -40 to +75 mm
1. Press

to access main menu, select “Lifter”, then “+-5mm free
mode” and

to activate.
2. Use the

buttons to select desired height in 5 mm steps.
●
The currently set lift value is displayed
●
Holding the

or

button activates the button auto-repeat.
●
In Lifter (+-5mm) mode, "Free mode" is displayed as the
program name.
Warnings and limitations to the "Lifter" and “Lifter-free” functions
●
The “original” Land Rover vehicle height control by the lever (D3) or buttons (D4) on the
centre console remains unchanged after XLifter installation.
●
The selected XLifter lift value is always added or subtracted to the “original” selected Land
Rover height.
For example, when setting the “original” Off Road height (+55 mm) and "One Inch Lift" on the
XLifter (+25 mm), the resulting increase of vehicle height will be +80 mm.
●
XLifter is primarily designed to operate when the selected “original” vehicle height is
"Standard". Of course, XLifter can also be used in the "original" height Off Road or Access,
with the following limitations:
In the “original” Off Road height, it is not recommended to lift the vehicle with XLifter by
more than +25 mm permanently. The “Sky Rocket“ (+75 mm) program is not available.
In the “original” Access height, it is not recommended to drop the vehicle more than -30
mm. The „Super drop“ (-35 mm) program is not available.
Selecting higher lift or drop with the XLifter, then noted above, in “original” heights Off Road
or Access, is likely to lead to the “yellow” suspension failure messages on the vehicle display.
You can reliably dismiss these faults by setting XLifter to "Disengaged" (+0 mm) and
restarting the engine.
●
As a safety measure, in the range of 3 cm from the extremities (wheel fully articulated up or
down), the XLifter does not affect the vehicle height (sensor voltages)!
Warning: when in extreme lifts - “Sky Rocket” (+75 mm) or any lift program while the
“original” vehicle height is Off Road, please be gentle with the accelerator pedal in case, when
you have low-range engaged and you are steering hard to the left or right. The driveshafts to
CV joints angle is very high and CV joints can be under lot of stress.
●
Be gentle to the vehicle compressor! The compressor will overheat if the vehicle is
lowered/raised several times in a row. A "Suspension raising slowly" message may appear on
the vehicle display, or a "yellow" "Suspension failure" error may appear. Diagnostic fault would
reveal the compressor overheating. When overheated (compressor head temperature
exceeds 130 °C), the Land Rover EAS unit inhibits further operation until cooled down (approx.
10 minutes). When cooled, the error will disappear when the engine is restarted. Watch the
compressor temperature, do not raise vehicle when temperature is critical!
●
The “original” vehicle height indicator is software based - it compares the average vehicle
height with calibrated height in a real-time. In some rare cases, the “original” height may be
detected with a delay or incorrectly. This is not a malfunction; the indicator role is mainly
informative.
●
If the ignition is switched on and the EAS unit cannot communicate with the control
module for more than 5 minutes, the +0 mm "Disengaged" program will be set
automatically. This is a safety measure for the event of the control module malfunction (theft,
damage, disconnection).
Warning: The Land Rover original EAS unit drops the height by 20 mm when
vehicle speed exceeds 160 Km/h. Do not use the XLifter while driving in traffic
and do not lower the height at high speeds!

XLifter model X2, user guide, ver. 2.0, firmware ver. 1.07
eXpedition tech s.r.o., Těšnov 5, 110 00 Prague 1, Czech Rep., https//www.xlifter.com, [e-mail] Page 12
5.3. Levelling: self-level the vehicle
The self-levelling feature is designed to level the vehicle on uneven surface into a pre-
calibrated position. Main intent is to make in-car or roof top tent sleeping more
comfortable.
XLifter is capable to level maximum tilt of approximately 4.5° in longitudinal (pitch) or
traverse (roll) direction. Or in any direction if sum of inclines does not exceed 4.5°.
These limits are given by the scope of wheel articulations. Levelling function should be
activated only in standard “Original” vehicle height to maximize available wheel
articulation.
Activating the Levelling function:
1. Press

to access the main menu.
2. Select “Levelling” and confirm with the

button.
●
The actual pitch and roll values are displayed. The longer mark
on the left is pitch and shorter on the right is vehicle roll.
o
You may use

button to toggle between levelling screens
at any time.
o
The more detailed screen with shock absorbers info shows
target wheel positions required to fully level the vehicle.
o
The compressor temperature screen allows temperature
monitoring before and during levelling.
●
If the roll or pitch (or both) angles are outside the range that can
be levelled, the corresponding mark starts to blink and “!” is
shown next to measured angle value. The detailed screen also
indicates those wheels whose articulation is no longer sufficient.
3. Press

to START LEVELLING.
4. Press

to confirm levelling start.
●
You cannot return to previous menu from this point. The vehicle
was instructed to set “unbalanced” wheel heights and is
unsuitable for driving. To cancel the levelling (at any phase) and
return the vehicle to normal state, exit the levelling function.
●
The levelling progress and actual pitch/roll values are displayed.
You may use

buttons to toggle levelling screens.
●
If neither pitch nor roll precision of 0.5˚ is not reached at the end
of levelling cycle, one more fine-tuning levelling cycle is started
automatically (FINE TUNING).
5. If you are not satisfied with levelling results at the end of levelling
process, select OK by pressing

, choose the “Finetune levelling“
and press

. The XLifter will re-launch the fine-tuning cycle from
current vehicle position.
When the levelling process is finished, display shows “Car is levelled”
message and actual pitch/roll values. This is when you turn the engine
off, the car is levelled for sleeping.
When ignition is subsequently turned on and vehicle is levelled, the
XLifter shows the “Car is levelled” screen to indicate, that levelling function is still active.
Warning: The levelling function must be exited before driving! Otherwise you
start driving with unbalanced wheel heights, exposing yourself to potentially
dangerous situations and you may even damage your vehicle!

XLifter model X2, user guide, ver. 2.0, firmware ver. 1.07
eXpedition tech s.r.o., Těšnov 5, 110 00 Prague 1, Czech Rep., https//www.xlifter.com, [e-mail] Page 13
Exiting the levelling function:
1. Press

button to access levelling exit menu.
2. Use

buttons to select the “Exit to drive”, confirm your selection
with

. XLifter will return to the previously selected lift program and
vehicle will de-level (when engine is started).
Warning and limitations to the levelling function:
●
To use whole wheel articulation and maximize the level-able tilt, please start the
levelling while car “original” height is normal. XLifter notifies you with the advice
message if car is in Access or Off-road height.
Watch the compressor temperature levels. Never start levelling when the
temperature is critical. Let the compressor cool down before levelling!
Levelling is an experimental feature that uses capabilities of the air suspension to its
maximum. Expect “yellow” suspension faults when levelling from extreme tilts (near
or above limits). If such a fault occurs and vehicle is already levelled reasonably, turn
off the engine. No reason to deal with it at this point. Exiting the levelling and
starting the engine will dismiss these faults reliably.
●
Due to the limitations of the air suspension system, do not expect levelling to end
with a precision to tenths of degrees. The accuracy of 0.5˚ degrees can be
considered satisfactory. You can always - even repeatedly - use the fine-tune
function.
●
The engine must be running during the levelling, otherwise the engine compressor
does not work, and vehicle will not raise.
Warning: Close all doors before starting the levelling function to prevent possible
door damage due to contact with surrounding ground. The Land Rover EAS unit
may also prevent the levelling when doors are open. The “kick trick” also wouldn’t
work.
●
Do not use electronic park brake (EPB) during levelling. It will cause unnecessary
tension in the brake cables, which will counteract wheel movement. You may use
the “P” gear instead in the automatic gearbox vehicles. Or if necessary – vehicle is
probably on same slope – stay on the brake pedal during levelling but release it
momentarily once per ~10 seconds to release tension cause by wheel movement.
The “kick trick”: levelling cycle takes 80 seconds. For a small height change
(especially in fine-tuning), the Air suspension reacts with significant delay. To force
the air suspension to react immediately change the “original” height by
lever/buttons at the centre console to the Off-road, followed quickly - as soon as
vehicle start to raise - changing it back to normal.
Warning: NEVER EVER start the levelling function while driving!!! The wheels
height will be set differently, which results to potentially dangerous situation.
NEVER leave the camping place without exiting the levelling function fist!
Tip: Levelling is a feature designed to level the vehicle to a calibrated position for
sleeping when camping. If you prefer to sleep with your head slightly up/down, just
calibrate the XLifter in a position comfortable to you.
Tip: The rear axle has a larger wheel travel than the front one. The rear of the car
can lift more than the front. If you position the vehicle uphill instead of downhill, the
maximum alignment angle will be slightly higher - the levelling will lift the rear and
lower the front.

XLifter model X2, user guide, ver. 2.0, firmware ver. 1.07
eXpedition tech s.r.o., Těšnov 5, 110 00 Prague 1, Czech Rep., https//www.xlifter.com, [e-mail] Page 14
5.4. Trailer assistant: easier trailer operations
The Trailer assistant is a new feature brought by firmware 1.03. Trailer
assistant allows to lower or raise the car tail (trailer hook). In contrast
with standard “flat” height change, the trailer assist changes car pitch.
Resulting rotational effect greatly enhances adjustment range.
Activating the Trailer assistant function:
1. Press

to access the main menu, select menu “extras” and select
the “Trailer assist”.
●
Use

buttons to adjust tail height
●
Before first adjustment is made, confirm “Is car stopped” safety
prompt with
.
●
Once tail height has been adjusted, you cannot return to
previous menu. Like levelling, the vehicle was instructed to
change pitch and is unsuitable for driving.
2. To exit the Trailer assistant, when active, press

and confirm the
“Exit to drive” in Exit Trailer assist menu. Vehicle will return to
normal state. The logic is like the levelling function.
Warning and limitations to the Trailer assistant function:
In general, same warnings and limitation applies as for the Levelling. Functions
are similar in principle. Please make sure you are familiar with them.
Please note that this is a preview feature, intended for “try & test” only. Graphics
and underlying math will be further tuned.
Warning: NEVER start the Trailer assistant function while driving!!! The vehicle
will change pitch, which results to potentially dangerous situation.
Warning: The Trailer assistant function must be exited before driving!
Otherwise you start driving while vehicle is abnormally pitched, exposing yourself
to potentially dangerous situations and you may even damage your vehicle!
5.5. Compressor temperature monitor
The temperature monitoring is a new feature brought by the XLifter X2 EAS unit. The car
compressor is designed for short quick bursts operations, not for continuous use. When
XLifter features are used extensively, demand for air refills increases. Therefore, it is
important to monitor the compressor temperature.

Compressor temperature is displayed at the “home” screen at all
times below the lift value.

Pressing

while at “home” brings special temperature screen
with last 10 minutes temperature graph

In addition, the compressor temperature is shown during all
important functions (levelling etc).
The measured compressor temperature range is from 20 °C to approx. 150 °C. When
temperature is below 20 °C, the <20 is displayed. When temperature exceeds 125-130 °C
(depends on car model), compressor is turned off an let cool down by the car EAS
computer.

XLifter model X2, user guide, ver. 2.0, firmware ver. 1.07
eXpedition tech s.r.o., Těšnov 5, 110 00 Prague 1, Czech Rep., https//www.xlifter.com, [e-mail] Page 15
The Xlifter software splits compressor temperature to three ranges:
1. Normal: <20 °C to 70 °C – all operations are possible.
2. High: 71 °C to 110 °C – watch the temperature closely, perhaps
ease out a bit
3. Critical: above 110 °C – Let the system cool down before using any
function which raises the vehicle! (incudes levelling)
5.6. Menu “Settings”: User settings
The "Settings" menu contains the user part of the XLifter setting - the
setting items that make sense to be accessible during normal
operation.
1. The “Calibration” item
●
Calibration of the XLifter. Detailed description below in chapter 0.
2. The “Brightness” item
●
The display brightness level setting. Adjustable with

buttons
in 0% to 100% range. Hold the button for auto-repeat.
●
If the brightness is changed and no button is pressed for 5 seconds, XLifter returns
to the home screen automatically.
3. The “Activate Keylock” item
●
The keylock is a safety measure designed for a case when the
vehicle is driven by a 3rd party and you want to prevent him or
her changing the air suspension settings. When activated, XLifter returns to home
screen. Subsequently, any key press just displays the “Keys are locked” message.
●
Press the

button to activate and
 to confirm. Keylock will be activated.
●
Keylock can be only deactivated in the service menu. See chapter 7.
5.7. Menu “Extras & Specials”: Extra and recovery features
The "Extras" menu added in v1.01 contains extra or special features and recovery tools.
1. The “Connect APP” item creates local WiFi access point for remote
Mobile Application.

If AppWifi is set to “Always On” (in the Service menu), this item is
not displayed
2. The “Trailer assist” item – feature described in chapter 5.4.
3. The “Recovery options” submenu provides various recovery options. See the next
chapter for details.
== Intentionally left blank ==

XLifter model X2, user guide, ver. 2.0, firmware ver. 1.07
eXpedition tech s.r.o., Těšnov 5, 110 00 Prague 1, Czech Rep., https//www.xlifter.com, [e-mail] Page 16
5.8. Menu “Recovery options”: All about fixing problems.
We hope you will never have to use any of the “Recovery” features. However, if you find
your Land Rover in such a “complicated” situation, check how the recovery features may
help you.
1. The ABS Recovery feature
When the ABS Sensor failure occurs in the Discovery 3/4/RRS,
vehicle drop approximately 50mm to “safe height” – air spring
are deflated almost to bump stops. If this happens in remote,
isolated off road area, and you have no means to fix the ABS
sensor, you can activate the “ABS Recovery” to re-lift the vehicle.
Extra 50mm lift is added to all Xlifter functions.
To deactivate ABS recovery, go to the same menu and select
“Deactivate”
Important: Never activate ABS recovery under normal
circumstances. Use function ONLY WHEN ABS FAILURE
OCCURS! Function does not fix the ABS sensor in any way,
nor extend total available lift! It only re-lifts the vehicle. Use
this only as a temporary mean solution to get to nearest service!!!
2. The Suspension lock feature
Intended use: tire change while using Air Jack.
The suspension lock will freeze wheel height signals at the
current height.
This is a bad idea under normal circumstances, but there are
exceptions. For example, when changing the tire, while engine
is running - needed usually when jacking the vehicle using an
inflatable air jack. In such a case, normally the vehicle will try to
adjust other wheels to rebalance. Sometimes extended mode is
engaged. Locking the suspension prevents that – the vehicle
will think wheels are in the same height despite jacking it up.
To exit the Suspension lock, press the

button.
Important: Never activate Suspension lock when driving!!!
Before activating, make sure the vehicle height is stable, it
is not raising/lowering, and the compressor is not running.
When active, do not change height with original LR height
control. All cases above will activate vehicle “extended mode”.
== Intentionally left blank ==

XLifter model X2, user guide, ver. 2.0, firmware ver. 1.07
eXpedition tech s.r.o., Těšnov 5, 110 00 Prague 1, Czech Rep., https//www.xlifter.com, [e-mail] Page 17
6. Calibration
The XLifter must be calibrated before the first use.
The calibration is essential due to the following reasons:
●
The XLifter measures and remembers the position of the vehicle when calibrating -
both the longitudinal (pitch) and transverse (roll) tilt. This position is subsequently
used as the zero tilt or a reference plane by the levelling functions – vehicle will self-
level into the calibrated position.
●
The XLifter measures and remembers the “standard’ wheel positions. According to
it, the XLifter calculates various internal parameters, such as safety limits, shock
absorbers graphic, vehicle height detection etc.
Calibration procedure:
1. Move the vehicle on a flat, bump-free surface.
●
You can verify the vehicle pitch and roll angles with any bubble level. The vehicle
will always try self-level into this position when levelling.
Important: check that the surface beneath the vehicle is flat. Avoid having any
wheel in a pit hole or at bump. All wheels should have same height from the surface
plain. The better the calibration the better the lifting & levelling!
2. Ensure that the “Original” vehicle height is set to Standard.
●
The “Original” height means the one set by the lever/buttons at the centre console.
3. Ensure that the XLifter program is set to Disengaged (+0 mm) and that vehicle height
is stable (raising or lowering is not still in progress).
4. Access the calibration menu and check correct car type.
a. While at “home” screen, press

to access the main menu.
b. Use the buttons

to choose „Settings“ and press

.
c. Use

to choose „Calibration“, and press

.
d. Verify, that the correct car type and steering side is set. If it is not,
use the “Change car type” and change settings. Refer to the
chapter 4.5 Vehicle type and calibration settings.
e. The calibration will start when you confirm „Start“ with

.
f. Allow about 30 seconds for the calibration to complete. The
display shows the progress.
●
Do not shake with the car (abrupt moves etc.) during the
calibrations for the best results. The tilt sensor is of high precision.
5. Run the calibration.
a. The calibration will start when you confirm „Start“ with

.
●
Allow about 30 seconds for the calibration to complete. The
display shows the progress.
●
Do not shake with the car (abrupt moves etc.) during the
calibrations for the best results. The tilt sensor is of high
precision.
Notice:
The XLifter need to be re-calibrated in following cases:
●
Vehicle height calibration has been changed by Land Rover service tools – e.g.
after wheel arm change, height sensors replacement, etc.
●
The XLifter EAS unit has been physically moved (detached from 3M fastener).
The calibration procedure can be carried out repeatedly, at any time.

XLifter model X2, user guide, ver. 2.0, firmware ver. 1.07
eXpedition tech s.r.o., Těšnov 5, 110 00 Prague 1, Czech Rep., https//www.xlifter.com, [email protected] Page 18
7. Service menu
The XLifter is designed for maximum ease of use. Therefore, the configuration or
technical functions are hidden in the "Service menu". The Service menu is not needed
during normal operation. A special procedure is required to call it up.
Scrolling through items in the Service menu is identical to other menus - use the 
buttons to choose an item, the  button to activate it and the  button to step back.
7.1. Entering the Service menu
The Service menu is displayed by holding down any of control module buttons when
the module powers up. That means to press and hold down any button when the
control module is off, then turning the car ignition on, and then releasing the button
(when the service menu is displayed)
Option 1 – disconnect the control module 12V power connector (all vehicles)
a) Unplug the control module power plug from the cigarette lighter socket (the
display will turn off).
b) Press and hold down any button   , then re-insert the power plug into the
cigarette lighter socket. The control module will display the Service menu.
Option 2 – cycle the ignition (Discovery 3)
a) Switch the ignition off by turning the ignition key into position 0. The control
module display will turn off.
b) Press and hold down any button   , then turn the ignition on (key into
position II). The control module will display the Service menu.
Option 3 – cycle the ignition (Discovery 4)
● Use especially if the control module power is “hardwired” to the vehicle 12V power.
a) Switch off the engine by pressing “START ENGINE STOP“ button.
b) Stay inside the car and lock it by pressing the closed lock symbol on your smart
key. The vehicle powers down the ignition-switched power rail (that includes
cigarette lighter socket) and control module display will turn off.
c) Press and hold down any button   , then unlock your car with your smart
key, then turn the ignition on by pressing the “START ENGINE STOP“ button. The
cigarette lighter socket powers up and the control module will display the Service
menu.
Quitting the Service menu:
The Service menu can be quit any time by pressing . The XLifter will restart into a
standard mode. Please allow 1-2 seconds to do so.
== Intentionally left blank ==

XLifter model X2, user guide, ver. 2.0, firmware ver. 1.07
eXpedition tech s.r.o., Těšnov 5, 110 00 Prague 1, Czech Rep., https//www.xlifter.com, [e-mail] Page 19
7.2. Service menu items description
1. Keylock [ACTIVE! / inactive]
●
Activation/deactivation of the key lock. Locked keys can only be
unlocked with this Service menu item.
2. Pair EAS unit
●
Wireless pairing of the control module and the XLifter EAS unit.
●
The control module and the XLifter EAS unit are paired before shipping. Use this
function when you need to pair new unit due to replacement.
●
After activation, the control module scans available Bluetooth devices and offers
them for pairing. The name of the XLifter EAS unit is "XLIFTER EAS". Do not pair the
control module to any other devices.
3. Car type
●
Sets various internal parameters according to a vehicle type.
●
Since firmware 1.00, this menu is also accessible via the
Calibration user menu.
●
Refer to the chapter 4.5 Vehicle type and calibration settings for
vehicle type specifics.
●
After setting the car type, you will be required to run calibration again.
4. Steering position
●
The XLifter EAS unit mounting position depends on steering
wheel side and the tilt sensor behaviour must be adjusted.
●
Set accordingly to your vehicle.
●
Since firmware 1.00, this menu is also accessible via the
Calibration user menu – refer to chapter 4.5.
5. Default lift (+xx)
●
Sets default lift from -15mm to +55mm into which Xlifter “boot
up” after reset (battery disconnection, controller disconnected
for a long time).
●
Designed for 32” and bigger tires users – Xlifter will act as true
mechanical lift rods replacement.
6. Corners adjustment
●
Feature allows offseting each wheel independently by +-20mm.
●
Helps to compensate poorly calibrated vehilcle (Land Rover
heigh calibration).
●
Inteded as a tempotary fix only – have you vehicle calibrated
ASAP by proper diagnostic tool. Do not use this feature if you
don’t need to.
●
If any wheel if off-set, small up or down arrow is shown in shock-
absorbers infographics on home screen (as a reminder to fix LR
calibration!).
●
Using this feature does not extend total available lift!
7. AppWiFi [Always On] | [Normal]
●
Leave on [Normal] unless required! Feature increases
Controller’s power consumption and it may heat up slightly.
●
Keeps WiFi access point for mobile application always on.
Special feature intended for cars with custom built-in mobile
tablets or similar displays.
●
Always set to [Normal] before firmware upgrade