2018 GMC YUKON alarm

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - CRC - 11/3/17
Keys, Doors, and Windows 53
Intrusion and Inclination
Sensors Disable Switch
It is recommended that the intrusion
and inclination sensors be
deactivated if pets are left in the
vehicle or the vehicle is being
transported.
With the vehicle off, press
oin
the front overhead console to turn
off the feature. The indicator light will come on
momentarily, indicating that these
sensors have been disabled until
the next time the alarm system is
armed.
Immobilizer
See
Radio Frequency Statement
0 402.
Immobilizer Operation
This vehicle has a passive
theft-deterrent system.
The system does not have to be
manually armed or disarmed.
The vehicle is automatically
immobilized when the vehicle is
turned off. The system is automatically
disarmed when the ignition is turned
from off to on.
The security light, in the instrument
cluster, comes on if there is a
problem with arming or disarming
the theft-deterrent system.
When trying to start the vehicle, the
security light comes on briefly when
the ignition is turned on.
If the engine does not start and the
security light stays on, there is a
problem with the system. Turn the
ignition off and try again.
If the engine still does not start, and
the key appears to be undamaged,
try another ignition key. It may be
necessary to check the fuse. See
Fuses and Circuit Breakers
0313.
If the engine still does not start with
the other key, the vehicle needs
service. If the vehicle does start, the
first key may be faulty. See your
dealer.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - CRC - 11/3/17
408 OnStar
Security
If equipped, OnStar provides these
services:
.With Stolen Vehicle Assistance,
OnStar Advisors can use GPS to
pinpoint the vehicle and help
authorities quickly recover it.
. With Remote Ignition Block,
if equipped, OnStar can block
the engine from being restarted.
. With Stolen Vehicle Slowdown,
if equipped, OnStar can work
with law enforcement to
gradually slow the vehicle down.
Theft Alarm Notification
If equipped, if the doors are locked
and the vehicle alarm sounds, a
notification by text, e-mail, or phone
call will be sent. If the vehicle is
stolen, an OnStar Advisor can work
with authorities to recover the
vehicle.
Navigation
OnStar navigation requires a
specific OnStar service plan. Press
Qto receive Turn-by-Turn
directions or have them sent to the
vehicle’s navigation screen,
if equipped.
Turn-by-Turn Navigation
1. PressQto connect to an
Advisor.
2. Request directions to be downloaded to the vehicle.
3. Follow the voice-guided commands.
Using Voice Commands
During a Planned Route
Functionality of the Voice Command
button may vary by vehicle and
region. For some vehicles, press
=
to open the OnStar app on the
infotainment display. For other
vehicles press
=as follows.
Cancel Route
1. Press
=. System responds:
“OnStar ready,” then a tone. 2. Say
“Cancel route.” System
responds: “Do you want to
cancel directions?”
3. Say “Yes.”System responds:
“OK, request completed, thank
you, goodbye.”
Route Preview
1. Press
=. System responds:
“OnStar ready,” then a tone.
2. Say “Route preview.” System
responds with the next three
maneuvers.
Repeat
1. Press
=. System responds:
“OnStar ready,” then a tone.
2. Say “Repeat.” System
responds with the last direction
given, then responds with
“OnStar ready,” then a tone.
Get My Destination
1. Press
=. System responds:
“OnStar ready,” then a tone.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - CRC - 11/3/17
418 Index
IndexA
Accessories andModifications . . . . . . . . . . . . . . . . . . 282
Accessory Power . . . . . . . . . . . . . . . 216
Active Fuel Management . . . . . . . 218
Adaptive Cruise Control . . . . . . . . 240
Add-On Electrical Equipment . . . 279
Additional Information OnStar . . . . . . . . . . . . . . . . . . . . . . . 412
Additional Maintenance
and Care . . . . . . . . . . . . . . . . . . . . . . 381
Adjustable Throttle and Brake Pedal . . . . . . . . . . . . . . . . . . . 209
Adjustments
Lumbar, Front Seats . . . . . . . . . . . . 65
Air Cleaner/Filter, Engine . . . . . . . 294
Air Conditioning . . . . . . . . . . . 184, 188
Air Filter, Passenger Compartment . . . . . . . . . . . . . . . . . 190
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 189
Airbag System Check . . . . . . . . . . . . . . . . . . . . . . . . . . 99
How Does an AirbagRestrain? . . . . . . . . . . . . . . . . . . . . . 92
Passenger Sensing System . . . . 93
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 91 Airbag System (cont'd)
What Will You See after an
Airbag Inflates? . . . . . . . . . . . . . . . 92
When Should an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 90
Where Are the Airbags? . . . . . . . . 89
Airbags Adding Equipment to theVehicle . . . . . . . . . . . . . . . . . . . . . . . . 98
Passenger Status Indicator . . . 145
Readiness Light . . . . . . . . . . . . . . 144
Servicing Airbag-Equipped Vehicles . . . . . . . . . . . . . . . . . . . . . . . 98
System Check . . . . . . . . . . . . . . . . . . 87
Alarm Vehicle Security . . . . . . . . . . . . . . . . 51
Alert Lane Change . . . . . . . . . . . . . . . . . 255
Side Blind Zone (SBZA) . . . . . . 254
All-Season Tires . . . . . . . . . . . . . . . . 325
All-Terrain Tires . . . . . . . . . . . . . . . . . 326
Antilock Brake System (ABS) . . . 231 Warning Light . . . . . . . . . . . . . . . . . 148
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . 365
Interior . . . . . . . . . . . . . . . . . . . . . . . . 369
Armrest Storage . . . . . . . . . . . . . . . . 122

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - CRC - 11/3/17
Index 427
Security (cont'd)Vehicle Alarm . . . . . . . . . . . . . . . . . . . 51
Service . . . . . . . . . . . . . . . . . . . . . . . . . 191 Accessories and
Modifications . . . . . . . . . . . . . . . . 282
Doing Your Own Work . . . . . . . . 282
Maintenance Records . . . . . . . . 387
Maintenance, General Information . . . . . . . . . . . . . . . . . . 374
Parts Identification Label . . . . . 388
Publications Ordering Information . . . . . . . . . . . . . . . . . . 401
Scheduling Appointments . . . . . 398
Services
Special Application . . . . . . . . . . . 381
Servicing the Airbag . . . . . . . . . . . . . 98
Shift Lock Control Function Check, Automatic
Transmission . . . . . . . . . . . . . . . . . . 307
Shifting Into Park . . . . . . . . . . . . . . . . . . . . . . 217
Out of Park . . . . . . . . . . . . . . . . . . . 218
Side Blind Zone Alert (SBZA) . . . 254
Signals, Turn and
Lane-Change . . . . . . . . . . . . . . . . . 178
Special Application Services . . . . 381
Specifications and Capacities . . . . . . . . . . . . . . . . . . . . . 389 Speedometer . . . . . . . . . . . . . . . . . . . 139
StabiliTrak
OFF Light . . . . . . . . . . . . . . . . . . . . . 150
Start Assist, Hill . . . . . . . . . . . . . . . . . 233
Start Vehicle, Remote . . . . . . . . . . . 41
Starter Switch Check . . . . . . . . . . . 306
Starting the Engine . . . . . . . . . . . . . 213
Steering . . . . . . . . . . . . . . . . . . . . . . . . 195 Heated Wheel . . . . . . . . . . . . . . . . 126
Wheel Adjustment . . . . . . . . . . . . 126
Wheel Controls . . . . . . . . . . . . . . . 126
Steps Power Assist . . . . . . . . . . . . . . . . . . . 50
Storage Rear . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Storage Areas
Armrest . . . . . . . . . . . . . . . . . . . . . . . 122
Center Console . . . . . . . . . . . . . . . 122
Convenience Net . . . . . . . . . . . . . 123
Glove Box . . . . . . . . . . . . . . . . . . . . 121
Instrument Panel . . . . . . . . . . . . . 121
Roof Rack System . . . . . . . . . . . . 123
Sunglasses . . . . . . . . . . . . . . . . . . . 122
Storage Compartments . . . . . . . . . 121
Struts Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . 309
Stuck Vehicle . . . . . . . . . . . . . . . . . . . 203
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . 60 Sunglass Storage . . . . . . . . . . . . . . . 122
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . 3
System
Forward CollisionAlert (FCA) . . . . . . . . . . . . . . . . . . 250
Infotainment . . . . . . . . . . . . . 183, 405
Noise Control . . . . . . . . . . . . . . . . . 305
Roof Rack . . . . . . . . . . . . . . . . . . . . 123
Systems Driver Assistance . . . . . . . . . . . . . 247
T
Tachometer . . . . . . . . . . . . . . . . . . . . . 139
Text Telephone (TTY) Users . . . . 395
Theft-Deterrent Systems . . . . . . . . . 53Immobilizer . . . . . . . . . . . . . . . . . . . . . 53
Third-Row Seats . . . . . . . . . . . . . . . . . 76
Throttle, Adjustable . . . . . . . . . . . . . 209
Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324 All-Season . . . . . . . . . . . . . . . . . . . . 325
All-Terrain . . . . . . . . . . . . . . . . . . . . 326
Buying New Tires . . . . . . . . . . . . . 340
Chains . . . . . . . . . . . . . . . . . . . . . . . . 344
Changing . . . . . . . . . . . . . . . . . . . . . 346
Designations . . . . . . . . . . . . . . . . . 327
Different Size . . . . . . . . . . . . . . . . . 341

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - CRC - 11/3/17
428 Index
Tires (cont'd)Full-Size Spare . . . . . . . . . . . . . . . 355
If a Tire Goes Flat . . . . . . . . . . . . 345
Inspection . . . . . . . . . . . . . . . . . . . . 337
Low Profile . . . . . . . . . . . . . . . . . . . 326
Pressure . . . . . . . . . . . . . . . . . 331, 332
Pressure Light . . . . . . . . . . . . . . . . 151
Pressure Monitor Operation . . 334
Pressure Monitor System . . . . . 333
Rotation . . . . . . . . . . . . . . . . . . . . . . 338
Sidewall Labeling . . . . . . . . . . . . . 326
Terminology and Definitions . . 328
Uniform Tire Quality
Grading . . . . . . . . . . . . . . . . . . . . . 342
Wheel Alignment and Tire Balance . . . . . . . . . . . . . . . . . . . . . 343
Wheel Replacement . . . . . . . . . . 343
When It Is Time for New Tires . . . . . . . . . . . . . . . . . . . . . . . . 339
Winter . . . . . . . . . . . . . . . . . . . . . . . . 325
Tow/Haul Mode . . . . . . . . . . . . . . . . . 225
Tow/Haul Mode Light . . . . . . . . . . . 149
Towing Driving Characteristics . . . . . . . . 263
Equipment . . . . . . . . . . . . . . . . . . . . 271
General Information . . . . . . . . . . 263
Recreational Vehicle . . . . . . . . . . 360
Trailer . . . . . . . . . . . . . . . . . . . . . . . . 266 Towing (cont'd)
Trailer Sway Control (TSC) . . . 277
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 360
Traction
Control System (TCS)/StabiliTrak Light . . . . . . . . . . . . . 151
Off Light . . . . . . . . . . . . . . . . . . . . . . 150
Traction Control/Electronic Stability Control . . . . . . . . . . . . . . . 234
Trailer Sway Control (TSC) . . . . . . . . . . 277
Towing . . . . . . . . . . . . . . . . . . . . . . . . 266
Transfer Case . . . . . . . . . . . . . . . . . . 226
Transmission Automatic . . . . . . . . . . . . . . . . . . . . . 220
Fluid, Automatic . . . . . . . . . 290, 293
Temperature Gauge . . . . . . . . . . 142
Transportation Program,
Courtesy . . . . . . . . . . . . . . . . . . . . . . 398
Trip Odometer . . . . . . . . . . . . . . . . . . 139
Turn and Lane-Change Signals . . . . . . . . . . . . . . . . . . . . . . . . 178
U
Uniform Tire Quality Grading . . . 342
Universal Remote System . . . . . . 170Operation . . . . . . . . . . . . . . . . . . . . . 173 Universal Remote System (cont'd)
Programming . . . . . . . . . . . . . . . . . 170
Using This Manual . . . . . . . . . . . . . . . . 2
V
Vehicle Alarm System . . . . . . . . . . . . . . . . . . 51
Canadian Owners . . . . . . . . . . . . . . . 2
Control . . . . . . . . . . . . . . . . . . . . . . . 194
Identification Number (VIN) . . . 388
Load Limits . . . . . . . . . . . . . . . . . . . 204
Messages . . . . . . . . . . . . . . . . . . . . 161
Personalization . . . . . . . . . . . . . . . 162
Remote Start . . . . . . . . . . . . . . . . . . . 41
Security . . . . . . . . . . . . . . . . . . . . . . . . 51
Speed Messages . . . . . . . . . . . . . 162
Towing . . . . . . . . . . . . . . . . . . . . . . . . 360
Vehicle Ahead Indicator . . . . . . . . 150
Vehicle Care Tire Pressure . . . . . . . . . . . . . . . . . 331
Vehicle Data Recording and Privacy . . . . . . . . . . . . . . . . . . . . . . . . 404
Ventilation, Air . . . . . . . . . . . . . . . . . . 189
Visors . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Voltmeter Gauge . . . . . . . . . . . . . . . 143