GMC Sierra 2018 User manual

2018 Sierra/Sierra Denali
Sierra/Sierra Denali Owner’s Manual
84016542 A
gmc.com (U.S.)
gmccanada.ca (Canada)
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18_GMC_Sierra_SierraDenalli_COV_en_US_84016542A_2017MAY11.ai 1 5/8/2017 9:05:46 AM18_GMC_Sierra_SierraDenalli_COV_en_US_84016542A_2017MAY11.ai 1 5/8/2017 9:05:46 AM

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - crc - 5/11/17
Contents Introduction . . . . . . . . . . . . . . . . . . . . . . 2
In Brief . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Keys, Doors, and Windows . . . . . 32
Seats and Restraints . . . . . . . . . . . 55
Storage . . . . . . . . . . . . . . . . . . . . . . . 121
Instruments and Controls . . . . . . 125
Lighting . . . . . . . . . . . . . . . . . . . . . . . 172
Infotainment System . . . . . . . . . . 182
Climate Controls . . . . . . . . . . . . . . 219
Driving and Operating . . . . . . . . . 225
Vehicle Care . . . . . . . . . . . . . . . . . . 328
Service and Maintenance . . . . . 430
Technical Data . . . . . . . . . . . . . . . . 444
Customer Information . . . . . . . . . 449
Reporting Safety Defects . . . . . . 459
OnStar ........................ 463
Index .................... 475

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - crc - 5/11/17
2 Introduction
Introduction
The names, logos, emblems,
slogans, vehicle model names, and
vehicle body designs appearing in
this manual including, but not limited
to, GM, the GM logo, GMC, the
GMC Truck Emblem, SIERRA, and
DENALI are trademarks and/or
service marks of General Motors
LLC, its subsidiaries, affiliates,
or licensors.
For vehicles first sold in Canada,
substitute the name “General
Motors of Canada Company”for
GMC Division wherever it appears
in this manual.
This manual describes features that
may or may not be on the vehicle
because of optional equipment that
was not purchased on the vehicle,
model variants, country
specifications, features/applications
that may not be available in your
region, or changes subsequent to
the printing of this owner’s manual.
If the vehicle has the Duramax
diesel engine, see the Duramax
diesel supplement for additional and
specific information on this engine.
For an eAssist vehicle, see the
Silverado/Sierra eAssist
supplement.
Refer to the purchase
documentation relating to your
specific vehicle to confirm the
features.
Keep this manual in the vehicle for
quick reference.
Canadian Vehicle Owners
A French language manual can be
obtained from your dealer, at
www.helminc.com, or from:
Propriétaires Canadiens
On peut obtenir un exemplaire de
ce guide en français auprès du
concessionnaire ou à l'adresse
suivante:
Helm, Incorporated
Attention: Customer Service
47911 Halyard Drive
Plymouth, MI 48170
USA
Using this Manual
To quickly locate information about
the vehicle, use the Index in the
back of the manual. It is an
alphabetical list of what is in the
manual and the page number where
it can be found.
Litho in U.S.A.
Part No. 84016542 A First Printing ©2017 General Motors LLC. All Rights Reserved.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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Introduction 3
Danger, Warning, and
Caution
Warning messages found on vehicle
labels and in this manual describe
hazards and what to do to avoid or
reduce them.
{Danger
Danger indicates a hazard with a
high level of risk which will result
in serious injury or death.
{Warning
Warning indicates a hazard that
could result in injury or death.
Caution
Caution indicates a hazard that
could result in property or vehicle
damage.
A circle with a slash through it is a
safety symbol which means “Do
Not,” “Do not do this,”or “Do not let
this happen.”
Symbols
The vehicle has components and
labels that use symbols instead of
text. Symbols are shown along with
the text describing the operation or
information relating to a specific
component, control, message,
gauge, or indicator.
M:Shown when the owner’s
manual has additional instructions
or information.
*:Shown when the service
manual has additional instructions
or information.
0:Shown when there is more
information on another page —
“see page.”
Vehicle Symbol Chart
Here are some additional symbols
that may be found on the vehicle
and what they mean. See the
features in this manual for
information.
9:Airbag Readiness Light
#:Air Conditioning
!:Antilock Brake System (ABS)
$:Brake System Warning Light
":Charging System
I:Cruise Control
`:Do Not Puncture
^:Do Not Service
B:Engine Coolant Temperature
O:Exterior Lamps
_:Flame/Fire Prohibited
.:Fuel Gauge
+:Fuses
3:Headlamp High/Low-Beam
Changer
j:LATCH System Child Restraints
*:Malfunction Indicator Lamp

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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4 Introduction
::Oil Pressure
O:Power
/:Remote Vehicle Start
>:Seat Belt Reminders
7:Tire Pressure Monitor
d:Traction Control/StabiliTrak
a:Under Pressure
M:Windshield Washer Fluid

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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In Brief 5
In Brief
Instrument Panel
Instrument Panel . . . . . . . . . . . . . . . . 6
Initial Drive Information
Initial Drive Information . . . . . . . . . . 8
Remote Keyless Entry (RKE)
System . . . . . . . . . . . . . . . . . . . . . . . . 8
Remote Vehicle Start . . . . . . . . . . . 9
Door Locks . . . . . . . . . . . . . . . . . . . . . 9
Windows . . . . . . . . . . . . . . . . . . . . . . . 10
Seat Adjustment . . . . . . . . . . . . . . . 10
Memory Features . . . . . . . . . . . . . . 12
Heated and Ventilated Seats . . . 13
Head Restraint Adjustment . . . . 13
Seat Belts . . . . . . . . . . . . . . . . . . . . . 14
Passenger Sensing System . . . 14
Mirror Adjustment . . . . . . . . . . . . . . 14
Steering Wheel Adjustment . . . . 16
Throttle and Brake Pedal
Adjustment . . . . . . . . . . . . . . . . . . . 17
Interior Lighting . . . . . . . . . . . . . . . . 17
Exterior Lighting . . . . . . . . . . . . . . . 18
Windshield Wiper/Washer . . . . . . 18
Climate Controls . . . . . . . . . . . . . . . 19
Transmission . . . . . . . . . . . . . . . . . . 21
Four-Wheel Drive . . . . . . . . . . . . . . 22
Vehicle Features
Infotainment System . . . . . . . . . . . 23
Radio(s) ....................... 23
Satellite Radio . . . . . . . . . . . . . . . . . 24
Portable Audio Devices . . . . . . . . 24
Bluetooth ...................... 24
Steering Wheel Controls . . . . . . . 24
Cruise Control . . . . . . . . . . . . . . . . . 25
Driver Information
Center (DIC) . . . . . . . . . . . . . . . . . 25
Forward Collision Alert (FCA)
System . . . . . . . . . . . . . . . . . . . . . . . 26
Forward Automatic
Braking (FAB) . . . . . . . . . . . . . . . . 26
Lane Departure
Warning (LDW) . . . . . . . . . . . . . . . 26
Lane Keep Assist (LKA) . . . . . . . 26
Rear Vision Camera (RVC) . . . . 27
Parking Assist . . . . . . . . . . . . . . . . . 27
Power Outlets . . . . . . . . . . . . . . . . . 27
Universal Remote System . . . . . 28
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . 28
Performance and Maintenance
Traction Control/Electronic
Stability Control . . . . . . . . . . . . . . 29
Tire Pressure Monitor . . . . . . . . . . 29
Fuel (Gasoline - Except
L86 6.2L Engine) . . . . . . . . . . . . . 30
Fuel (Gasoline - L86 6.2L
Engine) . . . . . . . . . . . . . . . . . . . . . . . 30
Fuel (Diesel) . . . . . . . . . . . . . . . . . . . 30
E85 or FlexFuel . . . . . . . . . . . . . . . . 30
Engine Oil Life System . . . . . . . . 30
Driving for Better Fuel
Economy . . . . . . . . . . . . . . . . . . . . . 31
Roadside Assistance
Program ...................... 31

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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6 In Brief
Instrument Panel
Uplevel Shown, Base Similar

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In Brief 7
1. Instrument Panel Illumination
Control 0178.
2. Integrated Trailer Brake Control
(ITBC) System (If Equipped).
See Towing Equipment 0313.
3. Exterior Lamp Controls 0172.
Fog Lamps 0177 (If
Equipped).
4. Air Vents 0222.
5. Turn Signal Lever. See Turn
and Lane-Change Signals
0176.
Windshield Wiper/Washer
0127.
6. Favorite Switches (Out of
View). See Steering Wheel
Controls 0126.
Volume Switches (Out of View).
See Steering Wheel Controls
0126.
7. Instrument Cluster 0135.
8. Hazard Warning Flashers
0176.
9. Shift Lever. See Automatic
Transmission 0255.
Tow/Haul Selector Button (If
Equipped). See Tow/Haul
Mode 0261.
Range Selection Mode (If
Equipped). See Manual Mode
0258.
10. Light Sensor. See Automatic
Headlamp System 0175.
11. Infotainment 0182.
12. Passenger Airbag On-Off
Switch (If Equipped) (Out of
View). See Airbag On-Off
Switch 081.
13. Heated and Ventilated Front
Seats 063 (If Equipped).
14. Power Outlet 110/120V
Alternating Current (If
Equipped). See Power Outlets
0129.
15. Power Outlets 0129 (If
Equipped).
16. USB Port 0193 (If Equipped).
17. gTraction Control/Electronic
Stability Control 0272.
0Pedal Adjust Switch (If
Equipped). See Adjustable
Throttle and Brake Pedal
0246.
{Cargo Lamp 0178.
XParking Assist Button (If
Equipped). See Assistance
Systems for Parking or Backing
0279.
ALane Keep Assist (LKA)
(1500 Series) 0286 (If
Equipped).
5Hill Descent Control Switch
(If Equipped). See Hill Descent
Control (HDC) 0274.
qExhaust Brake Switch (If
Equipped). See “Exhaust
Brake”in the Duramax diesel
supplement.
gPower Take Off (PTO)
Switch (If Equipped). See the
Duramax diesel supplement.
Auxiliary Button (If Equipped).
See Add-On Electrical
Equipment 0323.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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8 In Brief
jPower Assist Steps 041 (If
Equipped).
18. Dual Automatic Climate Control
System 0219 (If Equipped).
19. Steering Wheel Controls 0126
(If Equipped).
Driver Information Center (DIC)
Controls.
See Driver Information Center
(DIC) (Uplevel and Denali
Cluster) 0157 or Driver
Information Center (DIC) (Base
Level Cluster) 0155.
20. Hood Release. See Hood
0331.
21. Horn 0127.
22. Steering Wheel Adjustment
0126 (Out of View).
23. Cruise Control 0275.
Heated Steering Wheel 0127
(If Equipped).
Forward Collision Alert (FCA)
System 0281 (If Equipped).
24. Data Link Connector (DLC)
(Out of View). See Malfunction
Indicator Lamp (Check Engine
Light) 0147.
25. Parking Brake 0270.
26. Electronic Transfer Case Knob
(If Equipped). See Four-Wheel
Drive 0262.
Card Holder (If Equipped). See
Instrument Panel Storage
0121.
Initial Drive
Information
This section provides a brief
overview about some of the
important features that may or may
not be on your specific vehicle.
For more detailed information, refer
to each of the features which can be
found later in this owner’s manual.
Remote Keyless Entry
(RKE) System
The Remote Keyless Entry (RKE)
transmitter functions may work from
up to 60 m (197 ft) away from the
vehicle.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - crc - 5/11/17
In Brief 9
K:Press to unlock the driver door.
Press Kagain within three seconds
to unlock all remaining doors and
the tailgate, if equipped.
Q:Press to lock all doors and the
tailgate. Lock and unlock feedback
can be personalized. See Vehicle
Personalization 0161.
7:Press and release one time to
initiate vehicle locator. Press 7and
hold for at least three seconds to
sound the panic alarm. Press 7
again to cancel the panic alarm.
See Keys 032 and Remote Keyless
Entry (RKE) System Operation 035.
Remote Vehicle Start
If equipped, the engine can be
started from outside of the vehicle.
Starting the Vehicle
1. Press and release Qon the
RKE transmitter.
2. Immediately press and hold /
for at least four seconds or until
the turn signal lamps flash.
Start the vehicle normally after
entering.
When the vehicle starts, the parking
lamps will turn on.
Remote start can be extended.
Canceling a Remote Start
To cancel a remote start, do one of
the following:
.Press and hold /until the
parking lamps turn off.
.Turn on the hazard warning
flashers.
.Turn the vehicle on and then off.
See Remote Vehicle Start 037.
Door Locks
There are several ways to lock and
unlock the vehicle.
From outside, use the Remote
Keyless Entry (RKE) transmitter or
the key in the driver door.
From inside, use the power door
locks.
From inside, pull the door handle
once to unlock the door. Pull again
to open the door.
Power Door Locks
Crew/Double Cab Premium Trim
Shown, Other Models Similar
Q:Press to lock the doors.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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10 In Brief
K:Press to unlock the doors.
See Door Locks 038 and Power
Door Locks 039.
Windows
Power Windows
Crew/Double Cab Premium Trim
Shown, Other Models Similar
Power windows work when the
ignition is on, in ACC/ACCESSORY,
or when Retained Accessory Power
(RAP) is active. See Retained
Accessory Power (RAP) 0250.
Using the window switch, press to
open or pull to close the window.
The windows may be temporarily
disabled if they are used repeatedly
within a short time.
Power Sliding Rear Window
If equipped, the power sliding rear
window works when the ignition has
been turned on or to ACC/
ACCESSORY, or when Retained
Accessory Power (RAP) is active.
See Retained Accessory Power
(RAP) 0250.
Using the window switch, press to
open or pull to close the window.
The power sliding rear window
cannot be operated manually. See
“Power Sliding Rear Window”in
Rear Windows 052.
Seat Adjustment
Manual Seats
To adjust a manual seat:
1. Pull the handle at the front of
the seat.
2. Slide the seat to the desired
position and release the
handle.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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In Brief 11
3. Try to move the seat back and
forth to be sure it is locked in
place.
See Seat Adjustment 057.
Power Seats
To adjust a power seat, if equipped:
.Move the seat forward or
rearward by sliding the control
forward or rearward.
.If equipped, raise or lower the
front part of the seat cushion by
moving the front of the control
up or down.
.If equipped, raise or lower the
seat by moving the rear of the
control up or down.
See Power Seat Adjustment 058.
Lumbar Adjustment
Manual Lumbar
If equipped, move the lever up or
down repeatedly to increase or
decrease lumbar support.
See Lumbar Adjustment 058.
Power Lumbar
To adjust the power lumbar support,
if equipped:
.Press and hold the control
forward to increase or rearward
to decrease upper and lower
lumbar support at the same time.
.If equipped, press and hold the
control up to increase upper
lumbar support and decrease
lower lumbar support.
Press and hold the control down
to increase lower lumbar support
and decrease upper lumbar
support.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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12 In Brief
See Lumbar Adjustment 058.
Reclining Seatbacks
Manual Reclining Seatbacks
To adjust a manual seatback:
1. Lift the lever.
The seatback will automatically
fold forward.
2. To recline, move the seatback
rearward to the desired
position, then release the lever
to lock the seatback in place.
3. Push and pull on the seatback
to make sure it is locked.
To return the seatback to the upright
position:
1. Lift the lever fully without
applying pressure to the
seatback, and the seatback will
return to the upright position.
2. Push and pull on the seatback
to make sure it is locked.
See Reclining Seatbacks 059.
Power Reclining Seatbacks
To recline a power seatback,
if equipped:
.Tilt the top of the control
rearward to recline.
.Tilt the top of the control forward
to raise.
See Reclining Seatbacks 059.
Memory Features
Crew/Double Cab Shown, Other
Models Similar
If equipped, memory seats allow two
drivers to store and recall their
unique seat positions for driving the
vehicle, and a shared exit position
for getting out of the vehicle. Other
feature positions may also be set,
such as power mirrors, power
steering wheel, and adjustable
pedals, if equipped. Memory

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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In Brief 13
positions are linked to RKE
transmitter 1 or 2 for automatic
memory recalls.
Before storing, adjust all available
memory feature positions. Turn the
ignition on and then press and
release SET; a beep will sound.
Then immediately press and hold 1,
2, or B(Exit) on the driver door
until two beeps sound. To manually
recall these positions, press and
hold 1, 2, or Buntil the saved
position is reached.
When Auto Memory Recall is
enabled in vehicle personalization,
positions previously stored to
memory buttons 1 and 2 are
recalled when the ignition is
changed from off to on or ACC/
ACCESSORY.
When Easy Exit Options is enabled
in vehicle personalization, the
feature automatically recalls the
previously stored exit position when
exiting the vehicle. See Memory
Seats 060.
Heated and Ventilated
Seats
Heated and Ventilated Seat
Buttons Shown, Heated Seat
Buttons Similar
If equipped, the buttons are on the
center stack. To operate, the engine
must be running.
Press Ito heat the driver or
passenger seatback only.
Press Jto heat the driver or
passenger seat cushion and
seatback.
PressCto ventilate the driver or
passenger seat.
See Heated and Ventilated Front
Seats 063.
Head Restraint
Adjustment
Do not drive until the head restraints
for all occupants are installed and
adjusted properly.
To achieve a comfortable seating
position, change the seatback
recline angle as little as necessary
while keeping the seat and the head
restraint height in the proper
position.
See Head Restraints 056 and
Power Seat Adjustment 058.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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14 In Brief
Seat Belts
Refer to the following sections for
important information on how to use
seat belts properly:
.Seat Belts 066.
.How to Wear Seat Belts Properly
068.
.Lap-Shoulder Belt 069.
.Lower Anchors and Tethers for
Children (LATCH System) 096.
Passenger Sensing
System
The passenger sensing system,
if equipped, turns off the front
outboard passenger frontal airbag
under certain conditions. No other
airbag is affected by the passenger
sensing system.
If the vehicle has one of the
indicators pictured in the following
illustrations, then the vehicle has a
passenger sensing system for the
front outboard passenger position
unless there is an airbag off switch
on the instrument panel endcap.
If there is an airbag off switch, the
vehicle does not have a passenger
sensing system. See Airbag On-Off
Switch 081 for more information.
The passenger airbag status
indicator will be visible on the
overhead console when the vehicle
is started.
United States
Canada and Mexico
See Passenger Sensing System
083 for important information.
Mirror Adjustment
Using hood-mounted air deflectors
and add-on convex mirror
attachments could decrease mirror
performance.

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In Brief 15
Exterior Mirrors
Manual Mirrors
If equipped, adjust manual mirrors
by moving them up and down or left
to right to see a little of the side of
the vehicle and to have a clear view
behind the vehicle.
See Manual Mirrors 045.
Power Mirrors
Base Power Mirrors
If equipped with power mirrors:
1. Press (1) or (2) to select the
driver or passenger side mirror.
2. Press the arrows on the control
pad to move the mirror up,
down, right, or left.
3. Adjust each outside mirror so
that a little of the vehicle and
the area behind it can be seen.
4. Keep the selector switch in the
center position when not
adjusting either outside mirror.
Uplevel with Power Folding
Mirrors
1. Press (1) or (3) to select the
driver or passenger side mirror.
2. Press the arrows on the control
pad while the indicator light on
the (1) or (3) button is
illuminated, to move the mirror
up, down, right, or left.
3. Adjust each outside mirror so
that a little of the vehicle and
the area behind it can be seen.
4. Press either (1) or (3) again to
deselect the mirror.
See Power Mirrors 046.
If equipped with power folding
mirrors:
1. Press (2) to fold the mirrors out
to the driving position.
2. Press (2) again to fold the
mirrors in to the folded position.
For manual, power, and auto folding
mirrors, see Folding Mirrors 047.
The mirrors may also include a
memory function that works with the
memory seats. See Memory Seats
060.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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16 In Brief
Interior Mirror
Adjustment
Adjust the mirror for a clear view of
the area behind the vehicle.
Manual Dimming Rearview Mirror
If equipped, push the tab forward for
daytime use and pull it for nighttime
use to avoid glare from the
headlamps from behind. See
Manual Rearview Mirror 049.
Automatic Dimming Rearview
Mirror
If equipped, the mirror will
automatically reduce the glare of the
headlamps from behind. The
dimming feature comes on when the
vehicle is started.
See Automatic Dimming Rearview
Mirror 049.
Steering Wheel
Adjustment
To adjust the steering wheel:
1. Hold the steering wheel and
pull the lever.
2. Move the steering wheel up
or down.
3. Release the lever to lock the
wheel in place.
Tilt and Telescoping Steering
Wheel
To adjust the tilt and telescoping
steering wheel, if equipped:
1. Push the lever (1) down to
move the steering wheel
forward or rearward. Lift the
lever up to lock the wheel in
place.
2. Pull the lever (2) toward you to
move the steering wheel up or
down, then release the lever to
lock the wheel in place.
Do not adjust the steering wheel
while driving.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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In Brief 17
Throttle and Brake Pedal
Adjustment
If equipped, the position of the
throttle and brake pedals can be
changed.
The switch used to adjust the
pedals is on the center stack, below
the climate controls.
Lift the switch up to move the
pedals closer to your body. Press
the switch down to move the
pedals away.
See Adjustable Throttle and Brake
Pedal 0246.
Interior Lighting
Dome Lamps
There are dome lamps in the
overhead console and the headliner,
if equipped.
To change the dome lamp settings,
press the following:
OFF : Turns the lamps off, even
when a door is open.
DOOR : The lamps come on
automatically when a door is
opened.
ON : Turns all dome lamps on.
Reading Lamps
There are reading lamps in the
overhead console and the headliner,
if equipped. To operate, the ignition
must be on or in ACC/ACCESSORY
or using Retained Accessory
Power (RAP).

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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18 In Brief
Press mor nnext to each reading
lamp to turn it on or off.
For more information about interior
lighting, see Instrument Panel
Illumination Control 0178.
Exterior Lighting
The exterior lamp control is on the
instrument panel to the left of the
steering wheel.
O:Turns off the automatic
headlamps and Daytime Running
Lamps (DRL). Turn the headlamp
control to Oagain to turn the
automatic headlamps or DRL
back on.
For vehicles first sold in Canada, off
will only work when the vehicle is in
P (Park).
AUTO : Automatically turns on the
headlamps, parking lamps,
taillamps, instrument panel lights,
roof marker lamps (if equipped),
front/rear sidemarker lamps, and
license plate lamps.
;:Turns on the parking lamps
including all lamps, except the
headlamps.
5:Turns on the headlamps
together with the parking lamps and
instrument panel lights.
See:
.Exterior Lamp Controls 0172.
.Daytime Running Lamps (DRL)
0175.
.Fog Lamps 0177.
Windshield Wiper/Washer
The windshield wiper control is on
the turn signal lever.
The windshield wipers are controlled
by turning the band with zon it.
1:Fast wipes.
w:Slow wipes.
3INT : Turn the band up for more
frequent wipes or down for less
frequent wipes.
OFF : Turns the windshield
wipers off.
8:For a single wipe, turn to 8,
then release. For several wipes,
hold the band on 8longer.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - crc - 5/11/17
In Brief 19
Lm:Push the paddle at the top of
the lever to spray washer fluid on
the windshield.
See Windshield Wiper/Washer
0127.
Climate Controls
These systems control the heating, cooling, and ventilation.
For an eAssist vehicle, see the Silverado/Sierra eAssist supplement.
Climate Control System (with Heater Only)
1. Fan Control
2. Air Recirculation
3. Air Delivery Mode Control
4. Defrost
5. TEMP (Temperature Control)