trailer GMC YUKON 2020 Workshop Manual

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-13566587) - 2020 - CRC - 4/15/19
378 Service and Maintenance
The Tire Rotation and Required
Services are the responsibility of the
vehicle owner. It is recommended to
have your dealer perform these
services every 12 000 km/7,500 mi.
Proper vehicle maintenance helps to
keep the vehicle in good working
condition, improves fuel economy,
and reduces vehicle emissions.
Because of the way people use
vehicles, maintenance needs vary.
There may need to be more
frequent checks and services. The
Additional Required Services -
Normal are for vehicles that:
.Carry passengers and cargo
within recommended limits on
the Tire and Loading Information
label. See Vehicle Load Limits
0 196.
. Are driven on reasonable road
surfaces within legal driving
limits. .
Use the recommended fuel. See
Recommended Fuel (L83 5.3L
V8 Engine) 0254 or
Recommended Fuel (L86 6.2L
V8 Engine) 0254.
Refer to the information in the
Maintenance Schedule Additional
Required Services - Normal chart.
The Additional Required Services -
Severe are for vehicles that are:
. Mainly driven in heavy city traffic
in hot weather.
. Mainly driven in hilly or
mountainous terrain.
. Frequently towing a trailer.
. Used for high speed or
competitive driving.
. Used for taxi, police, or delivery
service.
Refer to the information in the
Maintenance Schedule Additional
Required Services - Severe chart.{Warning
Performing maintenance work can
be dangerous and can cause
serious injury. Perform
maintenance work only if the
required information, proper tools,
and equipment are available.
If they are not, see your dealer to
have a trained technician do the
work. See Doing Your Own
Service Work 0283.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./Cana-
da/Mexico-13566587) - 2020 - CRC - 4/15/19
Index 431
Throttle, Adjustable . . . . . . . . . . . . . 201
Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . 326All-Season . . . . . . . . . . . . . . . . . . . . 327
All-Terrain . . . . . . . . . . . . . . . . . . . . 328
Buying New Tires . . . . . . . . . . . . . 342
Chains . . . . . . . . . . . . . . . . . . . . . . . . 347
Changing . . . . . . . . . . . . . . . . . . . . . 349
Designations . . . . . . . . . . . . . . . . . 330
Different Size . . . . . . . . . . . . . . . . . 344
Full-Size Spare . . . . . . . . . . . . . . . 359
If a Tire Goes Flat . . . . . . . . . . . . 347
Inspection . . . . . . . . . . . . . . . . . . . . 340
Low Profile . . . . . . . . . . . . . . . . . . . 328
Pressure . . . . . . . . . . . . . . . . . 333, 334
Pressure Light . . . . . . . . . . . . . . . . 141
Pressure Monitor Operation . . 336
Pressure Monitor System . . . . . 335
Rotation . . . . . . . . . . . . . . . . . . . . . . 340
Sidewall Labeling . . . . . . . . . . . . . 329
Terminology and Definitions . . 331
Uniform Tire QualityGrading . . . . . . . . . . . . . . . . . . . . . 344
Wheel Alignment and Tire Balance . . . . . . . . . . . . . . . . . . . . . 346
Wheel Replacement . . . . . . . . . . 346
When It Is Time for New Tires . . . . . . . . . . . . . . . . . . . . . . . . 341 Tires (cont'd)
Winter . . . . . . . . . . . . . . . . . . . . . . . . 328
Top Tier Fuel . . . . . . . . . . . . . . . . . . . 254
Tow/Haul Mode . . . . . . . . . . . . . . . . . 218
Tow/Haul Mode Light . . . . . . . . . . . 139
Towing Driving Characteristics . . . . . . . . 259
Equipment . . . . . . . . . . . . . . . . . . . . 270
General Information . . . . . . . . . . 259
Recreational Vehicle . . . . . . . . . . 364
Trailer . . . . . . . . . . . . . . . . . . . . . . . . 264
Trailer Sway Control (TSC) . . . 278
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 363
Traction
Control System(TCS)/StabiliTrak Light . . . . . . 141
Off Light . . . . . . . . . . . . . . . . . . . . . . 140
Traction Control/Electronic
Stability Control . . . . . . . . . . . . . . . 226
Trailer Sway Control (TSC) . . . . . . . . . . 278
Towing . . . . . . . . . . . . . . . . . . . . . . . . 264
Transfer Case . . . . . . . . . . . . . . . . . . 219
Transmission
Automatic . . . . . . . . . . . . . . . . . . . . . 213
Fluid, Automatic . . . . . . . . . 292, 295
Temperature Gauge . . . . . . . . . . 132 Transportation Program,
Courtesy . . . . . . . . . . . . . . . . . . . . . . 402
Trip Odometer . . . . . . . . . . . . . . . . . . 129
Turn and Lane-Change Signals . . . . . . . . . . . . . . . . . . . . . . . . 169
U
Uniform Tire Quality Grading . . . 344
Universal Remote System . . . . . . 160Operation . . . . . . . . . . . . . . . . . . . . . 163
Programming . . . . . . . . . . . . . . . . . 160
Using This Manual . . . . . . . . . . . . . . . . 2
V
Vehicle
Alarm System . . . . . . . . . . . . . . . . . . 33
Canadian Owners . . . . . . . . . . . . . . . 2
Control . . . . . . . . . . . . . . . . . . . . . . . 186
Identification Number (VIN) . . . 392
Load Limits . . . . . . . . . . . . . . . . . . . 196
Messages . . . . . . . . . . . . . . . . . . . . 151
Personalization . . . . . . . . . . . . . . . 152
Remote Start . . . . . . . . . . . . . . . . . . . 23
Security . . . . . . . . . . . . . . . . . . . . . . . . 33
Speed Messages . . . . . . . . . . . . . 152
Towing . . . . . . . . . . . . . . . . . . . . . . . . 363
Vehicle Ahead Indicator . . . . . . . . 140