
GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 4/18/17
Vehicle Care 429
Front Position – All Other Models
If the flat tire is on the front of
the vehicle (all other models),
position the jack under the
vehicle, as shown. Rear Position – 1500 Models
5. If the flat tire is on the rear, for
1500 models position the jack
under the rear axle about 5 cm
(2 in) inboard of the shock
absorber bracket. Rear Position – All Other Models
For all other models, position
the jack under the rear axle
between the spring anchor and
the shock absorber bracket.
If a snow plow has been added
to the front of the vehicle, lower
the snow plow fully before
raising the vehicle.
Make sure that the jack head is
positioned so that the rear axle
is resting securely between the
grooves that are on the
jack head.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 4/18/17
444 Vehicle Care 5. Use a clamping device
designed for towing to ensure
that the front wheels are locked
into the straight position.
6. Turn the ignition to LOCK/OFF.
Four-Wheel-Drive Vehicles
{ WarningShifting a four-wheel-drive
vehicle's transfer case into
N (Neutral) can cause the vehicle
to roll even if the transmission is
in P (Park). You or others could
be injured. Set the parking brake
before shifting the transfer case
to N (Neutral).
To dolly tow a four-wheel-drive
vehicle from the rear:
1. Drive the rear wheels onto the
dolly.
2. Set the parking brake. See
Parking Brake 0 297 .
3. Put the transmission in
P (Park). 4. Secure the vehicle to the dolly
following the manufacturer's
instructions.
5. Use a clamping device
designed for towing to ensure
that the front wheels are locked
into the straight position.
6. Shift the transfer case to
N (Neutral). See “ Shifting into
N (Neutral) ” under Four-Wheel
Drive 0 289 for the proper
procedure.
7. Turn the ignition to LOCK/OFF. Appearance Care Exterior Care Locks Locks are lubricated at the factory.
Use a de-icing agent only when
absolutely necessary, and have the
locks greased after using. See
Recommended Fluids and
Lubricants 0 464 .
Washing the Vehicle To preserve the vehicle's finish,
wash it often and out of direct
sunlight.
Caution
Do not use petroleum-based,
acidic, or abrasive cleaning
agents as they can damage the
vehicle's paint, metal, or plastic
parts. If damage occurs, it would
not be covered by the vehicle
warranty. Approved cleaning
products can be obtained from
(Continued)

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 4/18/17
498 Index
Index A Accessories and
Modifications . . . . . . . . . . . . . . . . . . 357
Accessory Power . . . . . . . . . . . . . . . 277
Active Fuel Management ®
. . . . . . 281
Add-On Electrical Equipment . . . 350
Adding a Snow Plow or
Similar Equipment . . . . . . . . . . . . . 350
Additional Information
OnStar ®
. . . . . . . . . . . . . . . . . . . . . . 493
Additional Maintenance
and Care . . . . . . . . . . . . . . . . . . . . . . 461
Adjustable Throttle and
Brake Pedal . . . . . . . . . . . . . . . . . . . 273
Adjustments
Lumbar, Front Seats . . . . . . . . . . . . 58
Agreements
Trademarks and License . . . . . 238
Air Cleaner/Filter, Engine . . . . . . . 371
Air Conditioning . . . . . .243, 245, 246
Air Filter, Passenger
Compartment . . . . . . . . . . . . . . . . . 250
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 250
Airbag System
Check . . . . . . . . . . . . . . . . . . . . . . . . . . 87
How Does an Airbag
Restrain? . . . . . . . . . . . . . . . . . . . . . 77
Passenger Sensing System . . . . 81 Airbag System (cont'd)
What Makes an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 77
What Will You See after an
Airbag Inflates? . . . . . . . . . . . . . . . 78
When Should an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 75
Where Are the Airbags? . . . . . . . . 74
Airbags
Adding Equipment to the
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . 86
Light On-Off . . . . . . . . . . . . . . . . . . 141
On-Off Light . . . . . . . . . . . . . . . . . . 141
On-Off Switch . . . . . . . . . . . . . . . . . . 79
Passenger Status Indicator . . . 143
Readiness Light . . . . . . . . . . . . . . 141
Servicing Airbag-Equipped
Vehicles . . . . . . . . . . . . . . . . . . . . . . . 85
System Check . . . . . . . . . . . . . . . . . . 73
Alarm
Vehicle Security . . . . . . . . . . . . . . . . 43
All-Season Tires . . . . . . . . . . . . . . . . 401
All-Terrain Tires . . . . . . . . . . . . . . . . . 402
AM-FM Radio . . . . . . . . . . . . . . 197, 199
Antenna
Fixed Mast . . . . . . . . . . . . . . . . . . . 203
Multi-band . . . . . . . . . . . . . . . . . . . . 203
Antilock Brake System (ABS) . . . 297

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 4/18/17
Index 499Antilock Brake System
(ABS) (cont'd)
Warning Light . . . . . . . . . . . . . . . . . 146
Appearance Care
Exterior . . . . . . . . . . . . . . . . . . . . . . . 444
Interior . . . . . . . . . . . . . . . . . . . . . . . . 449
Apple CarPlay and
Android Auto . . . . . . . . . . . . . . . . . . 237
Assistance Program,
Roadside . . . . . . . . . . . . . . . . . . . . . . 478
Assistance Systems for
Driving . . . . . . . . . . . . . . . . . . . . . . . . 308
Assistance Systems for
Parking and Backing . . . . . . . . . . 306
Audio
Bluetooth . . . . . . . . . . . . . . . . . . . . . 215
Theft-Deterrent Feature . . . . . . . 189
Audio Players
CD . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
Automatic
Dimming Mirrors . . . . . . . . . . . . . . . . 49
Door Locks . . . . . . . . . . . . . . . . . . . . . 40
Forward Braking . . . . . . . . . . . . . . 310
Headlamp System . . . . . . . . . . . . 181
Transmission . . . . . . . . . . . . . . . . . 283
Transmission Fluid . . . . . . 368, 371
Automatic Transmission
Manual Mode . . . . . . . . . . . . . . . . . 286 Automatic Transmission (cont'd)
Shift Lock Control Function
Check . . . . . . . . . . . . . . . . . . . . . . . 387
Auxiliary
Roof Mounted Lamp . . . . . . . . . . 183
Auxiliary Jack . . . . . . . . . . . . . . . . . . . 214
Axle, Front . . . . . . . . . . . . . . . . . . . . . . 384
Axle, Rear . . . . . . . . . . . . . . . . . . . . . . 385
B Battery
Load Management . . . . . . . . . . . . 186
Power Protection . . . . . . . . . . . . . 187
Voltage and Charging
Messages . . . . . . . . . . . . . . . . . . . 157
Battery - North America . . . . 383, 435
Blade Replacement, Wiper . . . . . 388
Blind Spot Mirrors . . . . . . . . . . . . . . . 49
Bluetooth
Overview . . . . . . . . 222, 224,
228, 233
Bluetooth Audio . . . . . . . . . . . . . . . . 215
Brake
Pedal and Adjustable
Throttle . . . . . . . . . . . . . . . . . . . . . . 273
System Warning Light . . . . . . . . 145
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . 381
Antilock . . . . . . . . . . . . . . . . . . . . . . . 297
Assist . . . . . . . . . . . . . . . . . . . . . . . . . 298 Brakes (cont'd)
Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . 381
Parking . . . . . . . . . . . . . . . . . . . . . . . 297
System Messages . . . . . . . . . . . . 158
Braking . . . . . . . . . . . . . . . . . . . . . . . . . 254
Automatic Forward . . . . . . . . . . . 310
Break-In, New Vehicle . . . . . . . . . . 273
Bulb Replacement . . . . . . . . . . . . . . 392
Center High-Mounted
Stoplamp (CHMSL) and
Cargo Lamp . . . . . . . . . . . . . . . . . 391
Halogen Bulbs . . . . . . . . . . . . . . . . 389
Headlamp Aiming . . . . . . . . . . . . . 389
Headlamps . . . . . . . . . . . . . . . . . . . 389
High Intensity Discharge
(HID) Lighting . . . . . . . . . . . . . . . 390
Taillamps, Turn Signal,
Stoplamps, and Back-up
Lamps . . . . . . . . . . . . . . . . . . . . . . 390
Buying New Tires . . . . . . . . . . . . . . . 418
C Calibration . . . . . . . . . . . . . . . . . . . . . . 126
California
Fuel Requirements . . . . . . . . . . . 316

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 4/18/17
504 Index Lamps (cont'd)
Exterior Controls . . . . . . . . . . . . . . 178
Exterior Lamps Off
Reminder . . . . . . . . . . . . . . . . . . . 180
Malfunction Indicator
(Check Engine) . . . . . . . . . . . . . 144
Messages . . . . . . . . . . . . . . . . . . . . 160
On Reminder . . . . . . . . . . . . . . . . . 151
Reading . . . . . . . . . . . . . . . . . . . . . . 185
Lane Departure
Warning (LDW) . . . . . . . . . . . . . . . . 312
Lane Departure Warning
Light . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Lane Keep Assist (LKA) . . . . . . . . 313
Lane Keep Assist Light . . . . . . . . . 148
Lap Belt . . . . . . . . . . . . . . . . . . . . . . . . . 71
Lap-Shoulder Belt . . . . . . . . . . . . . . . 67
LATCH System
Replacing Parts after a
Crash . . . . . . . . . . . . . . . . . . . . . . . 106
LATCH, Lower Anchors and
Tethers for Children . . . . . . . . . . . . 95
LED Lighting . . . . . . . . . . . . . . . . . . . . 390
Light
Hill Descent Control . . . . . . . . . . 147
Lighting
Entry . . . . . . . . . . . . . . . . . . . . . . . . . 186
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . 186 Lighting (cont'd)
Illumination Control . . . . . . . . . . . 184
LED . . . . . . . . . . . . . . . . . . . . . . . . . . 390
Lights . . . . . . . . . . . . . . . . . . . . . . 147, 148
Airbag On-Off . . . . . . . . . . . . . . . . . 141
Airbag Readiness . . . . . . . . . . . . . 141
Antilock Brake System
(ABS) Warning . . . . . . . . . . . . . . 146
Brake System Warning . . . . . . . 145
Charging System . . . . . . . . . . . . . 143
Check Engine (Malfunction
Indicator) . . . . . . . . . . . . . . . . . . . . 144
Cruise Control . . . . . . . . . . . . . . . . 152
Door Ajar . . . . . . . . . . . . . . . . . . . . . 152
Engine Coolant
Temperature Warning . . . . . . . 149
Engine Oil Pressure . . . . . . . . . . 150
Flash-to-Pass . . . . . . . . . . . . . . . . . 181
Four-Wheel-Drive . . . . . . . . . . . . . 147
Front Fog Lamp . . . . . . . . . . . . . . 151
High-Beam On . . . . . . . . . . . . . . . . 151
High/Low Beam Changer . . . . . 180
Lane Departure Warning . . . . . . 147
Low Fuel Warning . . . . . . . . . . . . 150
Safety Belt Reminders . . . . . . . . 140
Security . . . . . . . . . . . . . . . . . . . . . . 151
StabiliTrak ®
OFF . . . . . . . . . . . . . 148
Tire Pressure . . . . . . . . . . . . . . . . . 150 Lights (cont'd)
Tow/Haul Mode . . . . . . . . . . . . . . . 147
Traction Control System
(TCS)/StabiliTrak ®
. . . . . . . . . . 149
Traction Off . . . . . . . . . . . . . . . . . . . 148
Locking Rear Axle . . . . . . . . . . . . . . 302
Locks
Automatic Door . . . . . . . . . . . . . . . . . 40
Delayed Locking . . . . . . . . . . . . . . . . 40
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Lockout Protection . . . . . . . . . . . . . . 41
Power Door . . . . . . . . . . . . . . . . . . . . . 40
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Loss of Control . . . . . . . . . . . . . . . . . 256
Low Fuel Warning Light . . . . . . . . . 150
Low-Profile Tires . . . . . . . . . . . . . . . . 402
Lower Anchors and Tethers
for Children (LATCH
System) . . . . . . . . . . . . . . . . . . . . . . . . 95
Lumbar Adjustment . . . . . . . . . . . . . . 58
Front Seats . . . . . . . . . . . . . . . . . . . . . 58
M Maintenance
Records . . . . . . . . . . . . . . . . . . . . . . 468
Maintenance and Care
Additional . . . . . . . . . . . . . . . . . . . . . 461
Maintenance Schedule . . . . . . . . . 455