Diono Radian 5 User manual

Instruction Manual
UK English, Française, Deutsch
Groups 0, 0+, 1, and 2
Universal Birth to 18 kg
Semi-Universal 15 to 25 kg
Please read carefully
Store manual on back of headrest
convertible car seat
L1

Dear Parent,
Congratulations on your purchase of the diono radian 5convertible
child safety seat.
Please read this manual carefully. In order to provide the best protection
for your child, always install and use the child safety seat following all the
instructions in this manual.
If you have any questions, please do not hesitate to contact or visit us online at
www.diono.com
This manual should remain with the child safety seat at all times. Please store
this manual in the storage location provided on the back of the headrest.
diono team
Groups 0, 0+, 1, 2
Universal Birth to 18 kg
Semi-Universal 15 to 25 kg
convertible car seat
Please read carefully
Store manual on back of headrest
2

english
Table of contents
Page
2UK English
28 Française
54 Deutsch
4Car seat parts
5Suitability and use
6Warnings
7Carrying the car seat
7Unfolding and folding the car seat
10 Detachable base
11 Harness buckle location
11 Removing & fitting the harness buckle
12 Infant pad and head cushion
12 Side impact head support
13 Reclining base adjustment
14 Selecting the correct height for the safety harness shoulder straps
15 Adjusting the height of the harness shoulder straps
15 Expandable seat sides
16 Fitting the cup holder
16 15 - 25 kg harness pads
17 Rearward-facing lap-shoulder seat belt installation
Birth – 25 kg (Groups 0, 0+, 1, 2)
18 Fitting & removing the rearward-facing bolster
19 Using the top tether strap rearward-facing
20 Tether adjuster with tension indicator
20 Tether connecting strap
21 Using the Safe Stop®attachment
21 Forward-facing lap-shoulder seat belt installation
9 – 25 kg (Groups 1, 2)
22 Using the top tether strap forward-facing
23 Using the safety harness
24 Using the seat belt lock-off clip
25 Cleaning and maintenance
26 Removing the fabric cover
27 Warranty information 3

1Top tether strap
1A Tension indicator
2Folding release lever
3Harness adjuster
4Detachable base
5Harness lock
6Buckle
7Seat belt guides
8Tether connecting strap
9Rearward-facing bolster
10 Harness pads
11 Head support
12 15 - 25 kg harness pads
13 Head cushion
14 Infant pad
15 Cup holder
16 Safe Stop®attachment
17 Seat belt lock-off clip
8
12
15
16
13
14
17
4
1
77
22
10
11
6
3
5
9
1A 17
4
Car seat parts

english
The vehicle's seat belt must be approved to ECE R16 or a compatible
standard (see test label attached to the seat belt, it must have a label
with an “E” or “e” in a circle).
If there are airbags in the front, side or all the way round or partial all the
way round air bag fitted, check for compatibility for use with a car seat in
the owners manual supplied with your vehicle.
This child seat restraint is approved for use with children from Birth to 25 kg as follows:
Groups 0, 0+, 1, from Birth to 18 kg rearward-facing: Universal
Group 1, from 9 to 18 kg forward-facing: Universal
Group 2, from 15 to 25 kg forward-facing and rearward-facing
(with 5-point harness and top tether only): Semi-Universal
IMPORTANT:
Do not use forward-facing before the child’s weight exceeds 9 kg (refer to instructions).
Only use this child safety seat for securing a child in a vehicle. It is not to be used as
seat or toy in the home.
Vehicle use
Always observe instructions in your owner’s manual for use of child restraint system.
This child safety seat is approved for installation with vehicle’s 3-point seat belt
(approved under ECE Regulation R16 or other equivalent standards).
This child safety seat is suitable for use for 10 years after the date of purchase.
In the direction of travel Yes
Against the direction of travel Yes
With 2-point vehicle seat belt No
With 3-point vehicle seat belt Yes
On the front passenger seat Yes
On the outer rear seats Yes
On the centre rear seat
(with 3-point vehicle seat belt) Yes
WARNING:
• Never use in combination with a 2-point belt
Only use this seat as follows:
2
1
1
2
5
Suitability and use

• WARNING: Only install this child seat using the approved methods and load
bearing components as shown in this manual.
• WARNING: While this child seat can be installed in the front seat, back seat
installation is most strongly recommended and is the safest way your child can travel.
• WARNING: Child seat must always be secured to the vehicle even when not in use. Any
unsecured item in a vehicle may injure passengers in the event of an emergency stop.
• WARNING: Make sure this child seat is not damaged by wedging it in between
or underneath luggage, vehicle seats or slamming it in a vehicle door.
• WARNING: The fabric cover and harness pads are important parts of a child seat
and can affect its safe performance. Do not use this child seat without the fabric
cover or harness pads and only use a fabric cover made by the manufacturer.
• WARNING: In hot weather, plastic or metal parts can become hot to the touch.
Cover any child seat when parked in the sun.
• WARNING: Store this manual in the space provided in the back of seat.
• DO NOT use this child seat after it has been in an accident.
• DO NOT alter, modify and/or change this child restraint in any form, manner or method.
• WARNING: Failure to read this manual and follow the instructions as shown
could result in serious injury to the occupant. Please take time to read these
instructions and do not hesitate to call our customer service with any questions.
• DO NOT use restraint if the levers or locking bolts bind or do not move freely.
When the release levers are lifted, the release levers and locking bolts should spring
back immediately.
• DO NOT oil or lubricate any part of the car seat.
• ALWAYS confirm the base of the car seat is locked securely in its unfolded
position before each use.
• WARNING: To avoid the risk of injury, keep others at a safe distance during
folding and unfolding the car seat.
• WARNING: Familiarise yourself with folding and unfolding the car seat before
installing it in a vehicle.
• WARNING: Foreign objects and debris can interfere with the proper operation
of the locking mechanisms. Before installation, confirm both locking bolts and
release levers are free from any debris (see page 25 for information on
cleaning the locking and folding mechanisms).
• DO NOT use the car seat if the folding levers and locking bolts do not function
properly. There may be an excessive build-up of debris that cannot be removed or
internal damage to the locking mechanism that could prevent the car seat
functioning properly.
Other very important instructions
Never leave a child unattended in a car.
6
WARNINGS:

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Carrying the car seat
How to carry your car seat:
Red carry strap (Fig. 1)
1
Vehicle seat protection
Some vehicle seat covers (i.e., leather, velour) may develop wear marks characteristic
of child seat use. This can be best avoided by using a dionochild seat undermat
underneath the child safety seat.
• Do NOT use restraint if the levers or locking bolts bind or do not move freely.
When the release levers are lifted, the release levers and locking bolts
should spring back immediately.
• Do NOT oil or lubricate any part of the car seat.
• ALWAYS confirm the base of the car seat is locked securely in its unfolded
position before each use.
• To avoid the risk of injury, keep others at a safe distance during folding and
unfolding the car seat.
• Familiarise yourself with folding and unfolding the car seat before installing
it in a vehicle.
• Foreign objects and debris can interfere with the proper operation of the
locking mechanisms. Before installation, confirm both locking bolts and
release lever areas are free from any debris (see page 25 for information on cleaning
the locking and folding mechanisms).
WARNING:
WARNING:
• Do not carry the car seat by its harness
straps. This can damage the harness
mechanism and the webbing.
7
Unfolding and folding the car seat

• Do NOT use the car seat if the folding levers and locking bolts do not function
properly. There may be an excessive build-up of debris that cannot be
removed or internal damage to the locking mechanism that could prevent
the car seat from functioning properly.
1. Place the car seat on its back on a flat
clean surface and remove accessories.
Unfasten the red velcro carrying strap
from around the bar on the underside
of the car seats base.
2. Firmly rotate the seat section of the car
seat upwards until it locks in place with
an audible “CLICK”. Gently attempt to
push the seat section back down to
confirm it has locked in place.
Locking
bolts
CLICK
Folding
release
lever
12
3. Pull the harness adjustment strap outwards until the harness begins to tighten.
Note: If the harness does not tighten, check the adjuster strap is free of the hinge by
folding the seat.
4. Fold the expandable sides of the seat outwards, if desired.
5. Thread the red carrying strap through its own slot in the fabric cover.
345
IMPORTANT:
Confirm the release levers are completely recessed inside their housings (see pages 7-8).
Confirm car seats base is locked in the open position, if not repeat step 2.
Unfolding your car seat:
8
Unfolding and folding the car seat

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12
1. Pull the red carrying strap out from behind the cover (Fig. 1).
Unbuckle the car seat's safety harness (see page 23).
2. Loosen the safety harness (see page 23).
3. Raise the head support to its top position (see page 12-13).
4. Push both of the expandable sides of the seat inwards (Fig. 2).
5. Place the car seat on its back.
Pull one of the backrest release levers downwards and push the seat section
forwards to release the locking bolts (Fig. 3).
6. Whilst folding the seat section down into the back rest, pull the harness and buckle
upwards towards the top of the car seat's backrest (Fig. 4).
IMPORTANT:
If the car seat does not easily fold completely, do NOT force it closed. See the ‘Folding tip’ at
the bottom of the page.
7. Fasten the carrying strap around the upper bar on the underside of the seat section
(Fig. 5).
WARNING
Ensure the carry the strap is securely fastened before picking up.
Folding tips:
• Ensure the harness is sufficiently loosened.
• Check the sides of the seat section have been pushed inwards.
• Check that the fabric cover will not become trapped when folding.
• Check the harness does not become trapped when folding.
Folding your car seat:
345
9

• The detachable base MUST only be used when the car seat is fitted in
the rearward-facing position.
• Do NOT use when car seat is forward-facing.
WARNING:
Removing the detachable base:
1. Lift the metal locking pin upwards to unlock the detachable base (Fig. 3).
2. Slide the detachable base towards the front of the car seat.
3. Pull the detachable base off the base of the car seat.
Tip: Slot the detachable base into the top of the car seat when transporting (Fig. 4).
Retaining
hooks
LOCKED
UNLOCKED
12
34
Fitting the detachable base:
1. Ensure the seat section is locked in the open unfolded position (see page 7-9).
2. Ensure the car seats adjustable seat base is in the raised horizontal position (see page 13-14).
3. Align the retaining hooks on the top of the detachable base and insert them into holes
in the underside of the seats base (Fig. 1).
4. Slide the detachable base towards the back of the car seat (Fig. 2).
5. Push the metal locking pin down to fasten the detachable base to the car seat (Fig. 3).
10
Detachable base

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IMPORTANT:
Check to ensure the harness buckle is fitted in the correct position for the age/weight
of the child you are putting into the car seat.
Position 1 Position 2
Group Child Weight Buckle position
Group 0, 0+,1 From Birth to 18 kg Use Position 1
Groups 1, 2 From 9 to 25 kg Use Position 2
IMPORTANT:
When changing the position of the harness ensure the webbing and metal retainer are
fitted as shown in the diagram below.
Position 1 Position 2
Removing & fitting the harness buckle
1. Ensure the seat section of the car seat is locked in the open unfolded position (See
pages 7-9 and follow the instructions for unfolding the car seat).
2. Unbuckle the harness by sliding the release button downwards (Fig. 1).
3. Push the strap on the bottom of the buckle down through the base of the car
seat until you can see the metal buckle retainer through the seat belt slot in the
seat section (Fig. 2).
4. Slide your hand through the seat belt slot under the seat and grip the metal
buckle retainer. Turn the retainer until it is vertical and push through the slot in
the plastic frame, padded insert and through the slot in the cover (Fig. 2).
12
11
Harness buckle location

IMPORTANT:
If you have large hands, you may find it easier to partially fold the seat first (See steps
1-5 on pages 7-9 of this manual).
Then, slide your hand through the gap at the back of the seat to rotate the metal
buckle retainer and slot it through the seat base, padded insert and fabric cover (Fig. 4).
4
12
Fitting the infant pad: Remove the harness buckle as shown on page 11. Place the
infant pad on the seat and select the corresponding buckle slot in the pad, depending
on the height of your child and refit the buckle (Fig. 1).
Fitting the head cushion: Fasten the hook and loop pad on the head cushion to
the pad on the back of the infant pad. Pass the straps on the back of the head cushion
behind the centre panel of the cover and fasten together (Fig. 2).
Side impact head support and adjustment
12
12
Removing & fitting the harness buckle (cont.)
Infant pad and head cushion

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Correct position: When using the top two harness positions, the bottom edge of the
head support must be aligned with the lower edge of the child’s jaw but above the shoulders.
When using the lower three harness positions, raise the head support to the top position.
Lowering the head support: Place your hands on the top of the head support
towards the back and push firmly down (Fig. 1).
Raising the head support: Place your hands on the underside of the head support
towards the back and pull upwards (Fig. 2).
• Do not adjust the base when using the detachable base in the rearward-
facing position.
• ONLY use the reclining base when fitting the car seat in the forward-
facing position 15 to 25 kg.
WARNING:
ABC
1
23
When to use the reclining base:
Due to the angles of certain vehicle seats and backrests you may need to change
the angle of your car’s seat base to achieve a satisfactory fit.
Note: The seat's base section must be in the unfolded position before adjusting
the reclining base.
NEVER attempt to adjust the reclining base once the car seat has been fitted in
the vehicle.
DO NOT engage the reclining base in this configuration (Fig. C)
13
Reclining base adjustment

Adjusting the reclining base:
1. Place the car seat on its back and grip the base locking bar with your hand as shown
in the diagram. Pull the base locking bar upwards (Fig. 1).
2. Pull or push the base in or out of the bottom of the car seat. When the base is in the
desired position, release the base locking bar (Fig. 2).
3. Check the base is locked in position by pushing or pulling it (Fig. 2).
Selecting the correct height for the safety harness
shoulder straps
• ONLY use the top three shoulder harness positions for forward-facing
children.
WARNING:
FORWARD-FACING:
Harness slot
above shoulders
REARWARD-FACING:
Harness slot
below shoulders
2
13
Confirming the correct harness height:
Rearward-facing (Fig. 1): Straps should be in the nearest slot at or below the level
of the child’s shoulder.
Forward-facing (Fig. 2): Straps should be in the nearest slot above the level of the
child’s shoulder.
Important: If the harness height is not correct, you must adjust it before using the
car seat with that child. See page 15 for adjusting the harness height.
Maximum height:
Rearward-facing: The child is too tall for the car seat if the top of the head is less
than 3.8 cm from the top of the car seat or if the child is more than 122 cm tall.
Forward-facing: The child is too tall for the car seat:
• if the tops of the child’s ears are above the back of the car seat
• if the child’s shoulders touch the bottom of the headwings
• if the child is more than 144 cm tall (Fig. 3)
14
Reclining base adjustment (cont.)

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13
45
1. Lift the flap on the front of the seat cover. Lift the harness lock upwards and hold,
now pull the harness shoulder straps outwards to loosen the harness (Fig. 1).
2. From the back of the car seat, remove the ends of the shoulder straps from the
metal harness yoke (Fig. 2).
3. From the front of the car seat, pull the harness shoulder straps through the front of
the cover (Fig. 3).
4. Feed the ends of the harness shoulder straps through the correct harness height
slots in the cover and car seat shell.
5. Check that the harness shoulder straps have not become twisted and are both
slotted through slots at the same height.
6. Attach the looped ends of the harness shoulder straps back onto the metal harness
yoke (Fig. 4).
Important:
Make sure the loop ends of BOTH straps are threaded completely onto the metal
harness yoke.
7. Pull the harness adjuster strap to check that the harness will tighten (Fig. 5).
The sides of the seat can be folded
inwards or outwards during use for the
comfort of your child. To adjust simply
push the sides in or pull them outwards
(Fig. 1).
2
15
Adjusting the height of the harness shoulder straps
Expandable seat sides

1. The cup can be fitted in four different positions on the arms of the car seat marked
by the grey tabs.
2. Slot the pin on the side of the cup into the hole on the fabric cover in front of the
grey tab. Push the pin down into the mounting point in the arm rest of the car seat
until it locks in place.
3. The cup can be removed and fitted in a new position by gripping the sides and
pulling upwards sharply.
Fitting the regular harness pads for rearward-facing birth to 15 kg
and forward-facing 9 to 15 kg
1. Unfasten the harness shoulder straps and pull them through the seats backrest as
shown on page 15. Refit after fitting the shoulder pads.
2. Feed the ends of the shoulder straps through the sleeves on the pads (Fig. 1).
Fitting 15-25 kg harness pads for forward-facing and rearward-facing:
1. Unfasten the harness shoulder straps and pull them through the seat backrest as
shown on page 15.
2. Unfasten the hook and loop on the sleeves of the 15-25 kg harness pads, then place
the shoulder straps inside (Fig. 2).
harness
strap harness strap
harness
pad
harness
pad
harness
pad
• For children who weigh 15-25 kg, please use the set of 15-25 kg harness
pads provided instead of the regular harness pads.
WARNING:
1
2
3
4
1
2
3
4
123
16
15-25 kg harness shoulder pads
Fitting the cup holder

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3. Fold the sleeve back over and fasten to the back section (Fig. 3).
4. Feed the metal end on the shoulder strap through the same slot that the harness
shoulder strap goes through.
Then feed the metal end back through the next harness slot down (Fig. 4).
Note: Place the child in the car seat, firmly pull the 15-25 kg harness pads along the
shoulder straps to ensure a snug fit.
Rearward-facing lap-shoulder seat belt installation
Birth – 25 kg (Groups 0, 0+, 1, 2)
• The detachable base MUST only be used when fitting the car seat in the
rearward-facing position.
WARNING:
Before placing the car seat into the vehicle, ensure the detachable
base is correctly fitted following the instructions on page 10.
1. Place the car seat on the vehicle’s seat and push into the back of the vehicle’s seat
backrest (Fig. 1).
IMPORTANT: Check that the base of the car seat is flat against the vehicle’s seat, and
the front of the car seat is firmly pressed against the vehicle’s seat backrest.
Note: It may be necessary to move the front seat of the vehicle slightly forwards to fit
the car seat. The car seat must not be pushed upwards by the vehicle’s seat once it is
fitted.
2. Feed the vehicles seat belt through the belt path under the padded seat (Fig. 2).
3. Check the seat belt has not become twisted, then fasten by slotting the tongue on
the seat belt into the buckle on the vehicle’s seat (Fig. 3).
4. Place your hand in the middle of the car seat and push down as hard as you can whilst
pulling all of the slack out of the diagonal belt of the vehicle’s seat belt (Fig. 4).
5. Move the front seat backwards to make contact with radian 5. If the gap
cannot be closed or you are installing radian 5in the front passenger seat, the
rearward-facing bolster should be used.
6. Attach seat belt lock-off clip (see page 24 for installation instructions).
Always ensure radian 5is supported by the seat back when
installed rearward-facing.
1234
17

WARNING:
• The rearward-facing bolster must only be used when fitting the car seat
in the rearward-facing position
• Do not use the rearward-facing bolster if it causes the bottom of the car
seat to lift up.
Fitting the bolster:
1. The two plastic pins on the back of the rearward-facing bolster need to be aligned
with the holes in the top of the back of the car seat’s backrest.
2. When using the top tether strap, remove the strap from the storage compartment on
the top of the car seat's backrest. Slot the ends of the tether strap through the hole in the
middle of the bolster.
3. Press the pins on the top of the bolster into the holes in the backrest, you will know
when they have been successfully inserted as they will lock in place with a ‘CLICK’.
Removing the bolster:
4. Grip the sides of the rearward-facing bolster and pull the bolster off the back of the car
seat.
1Pin Pin
4
2
CLICK
3
18
Fitting & removing the rearward-facing bolster

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• The use of top tether strap is recommended for all rearward-facing
installations AND MUST BE used for occupant weighing 15 to 25 kg.
• When fitting the car seat in the rearward-facing position, attach the
top tether to an approved tether anchorage point.
• NEVER attach the tether strap to any movable parts or mechanisms of
the vehicles seat.
WARNING:
If your vehicle does not have a tether anchorage point, consult the owner’s manual
supplied with your vehicle, the manufacturer or an authorised vehicle dealer for more
information.
234
Using the top tether strap:
1. Before you fit the car seat in your vehicle, remove the top tether strap from the storage
compartment on the top of the car seat's backrest (Fig. 1).
2. Pull the adequate webbing through the tether adjuster attached to the anchorage strap on
the back of the car seat while pressing the release button (Fig. 2).
3. Install the car seat in the vehicle in the rearward-facing (see page 17) position and
find the tether attachment points, check in the vehicles owners manual (Fig. 3).
4. Fasten the clip on the end of the tether strap over the anchorage. Tighten the tether
strap by pulling the loose end of the tether strap until it becomes tight and tension
indicator turns green (Fig. 4) (see page 20).
• If vehicle does not have tether anchorage points, consult vehicle owner’s
manual or contact vehicle manufacturer with questions. Do NOT modify the
vehicle without approval from vehicle manufacturer or authorized vehicle
dealer.
• Do NOT attach tether connecting strap to any moveable mechanism of a
vehicle seat.
• In forward-facing installations, attach top tether to approved vehicle
tether anchorage points ONLY, as labeled by vehicle manufacturer.
WARNING:
1
Pull to
tighten
Tension indicator
19
Using the top tether strap rearward-facing

Using Tether Adjuster with Tension Indicator:
1. See page 19 and 22 for top tether restraint installation instructions.
2. After installing the restraint, pull the top tether adjuster strap until the red
indicator turns green.
With some vehicle models, the top tether may not fit structural parts of vehicle seat or
there may not be a suitable anchorage point for top tether hook. It may be necessary to
use the tether connecting strap to create a tether anchorage point:
1. Locate the track of vehicle seat that is bolted directly to vehicle frame.
2. Wrap tether connecting strap around the track, and thread metal 'D" ring through
the loop at the end of the tether connecting strap. Pull strap to form a knot. (Fig. 5)
3. Now, use metal ‘D’ ring as an anchorage point for top tether metal hook.
Note: Some vehicles have a tether anchor bracket attached to the vehicle seat frame
which can be used instead of the tether connecting strap. (Fig. 6) If so, connect top
tether metal hook directly to bracket. Check vehicle manual or call manufacturer.
Tether connecting strap
Tether hook
Metal Ring
Leg of
seat track
• Tether connecting strap is ONLY to be used in rearward-facing
installations.
WARNING:
Tether connecting strap
56
Tether anchor bracket
Vehicle seat
adjustment track
Toward front
of vehicle
Back of
front seat
20
Tether Adjuster with Tension Indicator