GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - CRC - 11/3/17
342 Vehicle Care
Warning (Continued)
developed for the vehicle, and
have them properly installed by a
GM certified technician.
See Buying New Tires 0340 and
Accessories and Modifications
0 282.
Uniform Tire Quality
Grading
The following information relates
to the system developed by the
United States National Highway
Traffic Safety Administration
(NHTSA), which grades tires by
treadwear, traction, and
temperature performance. This
applies only to vehicles sold in
the United States. The grades
are molded on the sidewalls of
most passenger car tires. The
Uniform Tire Quality Grading
(UTQG) system does not apply
to deep tread, winter tires, compact spare tires, tires with
nominal rim diameters of
10 to 12 inches (25 to 30 cm),
or to some limited-production
tires.
While the tires available on
General Motors passenger cars
and light trucks may vary with
respect to these grades, they
must also conform to federal
safety requirements and
additional General Motors Tire
Performance Criteria (TPC)
standards.
Quality grades can be found
where applicable on the tire
sidewall between tread shoulder
and maximum section width. For
example:
Treadwear 200 Traction AA
Temperature A
All Passenger Car Tires Must
Conform to Federal Safety
Requirements In Addition To
These Grades.
Treadwear
The treadwear grade is a
comparative rating based on the
wear rate of the tire when tested
under controlled conditions on a
specified government test
course. For example, a tire
graded 150 would wear one and
one-half (1½) times as well on
the government course as a tire
graded 100. The relative
performance of tires depends
upon the actual conditions of
their use, however, and may
depart significantly from the
norm due to variations in driving
habits, service practices and
differences in road
characteristics and climate.
Traction
The traction grades, from
highest to lowest, are AA, A, B,
and C. Those grades represent
the tire's ability to stop on wet
pavement as measured under
controlled conditions on
GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - CRC - 11/3/17
Vehicle Care 343
specified government test
surfaces of asphalt and
concrete. A tire marked C may
have poor traction performance.
Warning: The traction grade
assigned to this tire is based on
straight-ahead braking traction
tests, and does not include
acceleration, cornering,
hydroplaning, or peak traction
characteristics.
Temperature
The temperature grades are A
(the highest), B, and C,
representing the tire's resistance
to the generation of heat and its
ability to dissipate heat when
tested under controlled
conditions on a specified indoor
laboratory test wheel. Sustained
high temperature can cause the
material of the tire to degenerate
and reduce tire life, and
excessive temperature can lead
to sudden tire failure. The grade
C corresponds to a level ofperformance which all
passenger car tires must meet
under the Federal Motor Safety
Standard No. 109. Grades B and
A represent higher levels of
performance on the laboratory
test wheel than the minimum
required by law. Warning: The
temperature grade for this tire is
established for a tire that is
properly inflated and not
overloaded. Excessive speed,
underinflation, or excessive
loading, either separately or in
combination, can cause heat
buildup and possible tire failure.
Wheel Alignment and Tire
Balance
The tires and wheels were aligned
and balanced at the factory to
provide the longest tire life and best
overall performance. Adjustments to
wheel alignment and tire balancing
are not necessary on a regular
basis. Consider an alignment check
if there is unusual tire wear or the vehicle is significantly pulling to one
side or the other. Some slight pull to
the left or right, depending on the
crown of the road and/or other road
surface variations such as troughs
or ruts, is normal. If the vehicle is
vibrating when driving on a smooth
road, the tires and wheels may need
to be rebalanced. See your dealer
for proper diagnosis.
Wheel Replacement
Replace any wheel that is bent,
cracked, or badly rusted or
corroded. If wheel nuts keep coming
loose, the wheel, wheel bolts, and
wheel nuts should be replaced.
If the wheel leaks air, replace it.
Some aluminum wheels can be
repaired. See your dealer if any of
these conditions exist.
Your dealer will know the kind of
wheel that is needed.
Each new wheel should have the
same load-carrying capacity,
diameter, width, offset, and be
mounted the same way as the one it
replaces.
GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - CRC - 11/3/17
358 Vehicle Care
Caution
If any accessories are left on or
plugged in during the jump
starting procedure, they could be
damaged. The repairs would not
be covered by the vehicle
warranty. Whenever possible, turn
off or unplug all accessories on
either vehicle when jump starting.
3. Turn the ignition off on both vehicles. Unplug unnecessary
accessories plugged into the
accessory power outlets. Turn
off the radio and all the lamps
that are not needed. This will
avoid sparks and help save
both batteries. And it could
save the radio!
4. Open the hood on the other vehicle and locate the
positive (+) and negative (−)
terminal locations on that
vehicle. The positive (+) terminal is
under a red plastic cover at the
positive battery post. To
uncover the positive (+)
terminal, open the red plastic
cover.
For more information on the
location of the remote
positive (+) and remote
negative (−) terminals, see
Engine Compartment Overview
0
284.
{Warning
An electric fan can start up even
when the engine is not running
and can injure you. Keep hands,
clothing, and tools away from any
underhood electric fan.
{Warning
Using a match near a battery can
cause battery gas to explode.
People have been hurt doing this,
and some have been blinded.
Use a flashlight if you need more
light.
Battery fluid contains acid that
can burn you. Do not get it on
you. If you accidentally get it in
your eyes or on your skin, flush
the place with water and get
medical help immediately.
{Warning
Fans or other moving engine
parts can injure you badly. Keep
your hands away from moving
parts once the engine is running.
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
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Index 419
Assistance Program,Roadside . . . . . . . . . . . . . . . . . . . . . . 396
Assistance Systems for Driving . . . . . . . . . . . . . . . . . . . . . . . . 250
Assistance Systems for Parking and Backing . . . . . . . . . . 248
Automatic
Dimming Mirrors . . . . . . . . . . . . . . . . 56
Door Locks . . . . . . . . . . . . . . . . . . . . . 44
Forward Braking . . . . . . . . . . . . . . 253
Headlamp System . . . . . . . . . . . . 177
Level Control . . . . . . . . . . . . . . . . . 237
Transmission . . . . . . . . . . . . . . . . . 220
Transmission Fluid . . . . . . 290, 293
Automatic Transmission Manual Mode . . . . . . . . . . . . . . . . . 223
Shift Lock Control Function
Check . . . . . . . . . . . . . . . . . . . . . . . 307
Axle, Front . . . . . . . . . . . . . . . . . . . . . . 304
Axle, Rear . . . . . . . . . . . . . . . . . . . . . . 305
B
Battery Exterior Lighting BatterySaver . . . . . . . . . . . . . . . . . . . . . . . 182
Load Management . . . . . . . . . . . . 181 Battery (cont'd)
Power Protection . . . . . . . . . . . . . 182
Battery - North America . . . . 303, 356
Blade Replacement, Wiper . . . . . 308
Blind Spot Mirrors . . . . . . . . . . . . . . . 56
Brake Pedal and AdjustableThrottle . . . . . . . . . . . . . . . . . . . . . . 209
System Warning Light . . . . . . . . 148
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . 301 Antilock . . . . . . . . . . . . . . . . . . . . . . . 231
Assist . . . . . . . . . . . . . . . . . . . . . . . . . 233
Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . 302
Parking . . . . . . . . . . . . . . . . . . . . . . . 232
Braking . . . . . . . . . . . . . . . . . . . . . . . . . 194 Automatic Forward . . . . . . . . . . . 253
Break-In, New Vehicle . . . . . . . . . . 209
Bulb Replacement Back-up Lamps . . . . . . . . . . . . . . . .311
Fog Lamps . . . . . . . . . . . . . . . . . . . .311
Headlamp Aiming . . . . . . . . . . . . . 310
Headlamps . . . . . . . . . . . . . . . . . . . .311
High Intensity Discharge(HID) Lighting . . . . . . . . . . . . . . . .311
License Plate Lamps . . . . . . . . . 312
Buying New Tires . . . . . . . . . . . . . . . 340
C
Calibration . . . . . . . . . . . . . . . . . . . . . . 129
California Fuel Requirements . . . . . . . . . . . 260
Perchlorate MaterialsRequirements . . . . . . . . . . . . . . . 282
California Proposition
65 Warning . . . . . . . . . .281, 303, 356, Back Cover
Canadian Vehicle Owners . . . . . . . . 2
Capacities and Specifications . . . . . . . . . . . . . . . . . 389
Carbon Monoxide
Engine Exhaust . . . . . . . . . . . . . . . 219
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . . 45
Winter Driving . . . . . . . . . . . . . . . . 202
Cargo Tie-Downs . . . . . . . . . . . . . . . . . . . . 123
Caution, Danger, and Warning . . . . 3
Center Console Storage . . . . . . . . 122
Chains, Tire . . . . . . . . . . . . . . . . . . . . 344
Charging Wireless . . . . . . . . . . . . . . . . . . . . . . 132
Charging System Light . . . . . . . . . 145
Check Engine Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . 146
GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - CRC - 11/3/17
420 Index
Check (cont'd)Ignition Transmission Lock . . . 307
Child Restraints Infants and Young Children . . . 101
Lower Anchors and Tethers
for Children . . . . . . . . . . . . . . . . . 107
Older Children . . . . . . . . . . . . . . . . 100
Securing . . . . . . . . . . . . .115, 117, 118
Systems . . . . . . . . . . . . . . . . . . . . . . 104
Child-View Mirror . . . . . . . . . . . . . . . . 57
Circuit Breakers . . . . . . . . . . . . . . . . 313
Cleaning Exterior Care . . . . . . . . . . . . . . . . . 365
Interior Care . . . . . . . . . . . . . . . . . . 369
Climate Control Systems Dual Automatic . . . . . . . . . . . . . . . 184
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Cluster, Instrument . . . . . . . . . . . . . 136
Collision Damage Repair . . . . . . . 399
Compartments
Storage . . . . . . . . . . . . . . . . . . . . . . . 121
Compass . . . . . . . . . . . . . . . . . . . . . . . 129
Connections
OnStar . . . . . . . . . . . . . . . . . . . . . . . 409
Control Hill Descent . . . . . . . . . . . . . . . . . . 236 Control (cont'd)
Traction and Electronic
Stability . . . . . . . . . . . . . . . . . . . . . 234
Control of a Vehicle . . . . . . . . . . . . . 194
Convenience Net . . . . . . . . . . . . . . . 123
Convex Mirrors . . . . . . . . . . . . . . . . . . 54
Coolant
Engine Temperature Gauge . . 141
Engine TemperatureWarning Light . . . . . . . . . . . . . . . 151
Cooling . . . . . . . . . . . . . . . . . . . . 184, 188
Cooling System . . . . . . . . . . . . . . . . . 295
Courtesy Transportation Program . . . . . . . . . . . . . . . . . . . . . . . 398
Cruise Control . . . . . . . . . . . . . . . . . . 237 Light . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Cruise Control, Adaptive . . . . . . . . 240
Cupholders . . . . . . . . . . . . . . . . . . . . . 121
Customer Assistance . . . . . . . . . . . 395 Offices . . . . . . . . . . . . . . . . . . . . . . . . 394
Text Telephone (TTY)Users . . . . . . . . . . . . . . . . . . . . . . . 395
Customer Information
Service PublicationsOrdering Information . . . . . . . . 401
Customer Satisfaction Procedure . . . . . . . . . . . . . . . . . . . . . 392D
Damage Repair, Collision . . . . . . . 399
Danger, Warning, and Caution . . . . 3
Data CollectionInfotainment System . . . . . . . . . . 405
OnStar . . . . . . . . . . . . . . . . . . . . . . . 405
Data Recorders, Event . . . . . . . . . 404
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . . . 177
Defensive Driving . . . . . . . . . . . . . . . 194
Delayed Locking . . . . . . . . . . . . . . . . . 43
Diagnostics
OnStar . . . . . . . . . . . . . . . . . . . . . . . .411
Distracted Driving . . . . . . . . . . . . . . . 193
Dome Lamps . . . . . . . . . . . . . . . . . . . 180
Door
Ajar Light . . . . . . . . . . . . . . . . . . . . . 154
Delayed Locking . . . . . . . . . . . . . . . . 43
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Power Locks . . . . . . . . . . . . . . . . . . . . 43
Drive Belt Routing, Engine . . . . . . 391
Driver Assistance Systems . . . . . 247
Driver Information Center (DIC) . . . . . . . . . . . . . . . . . . 154
Driving Assistance Systems . . . . . . . . . . 250
Characteristics andTowing Tips . . . . . . . . . . . . . . . . . 263
GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
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Index 421
Driving (cont'd)Defensive . . . . . . . . . . . . . . . . . . . . . 194
Drunk . . . . . . . . . . . . . . . . . . . . . . . . . 194
For Better Fuel Economy . . . . . . . 27
Hill and Mountain Roads . . . . . . 202
If the Vehicle is Stuck . . . . . . . . . 203
Loss of Control . . . . . . . . . . . . . . . 196
Off-Road . . . . . . . . . . . . . . . . . . . . . 196
Off-Road Recovery . . . . . . . . . . . 195
Vehicle Load Limits . . . . . . . . . . . 204
Wet Roads . . . . . . . . . . . . . . . . . . . 201
Winter . . . . . . . . . . . . . . . . . . . . . . . . 202
Dual Automatic Climate Control System . . . . . . . . . . . . . . . . 184
E
E85 or FlexFuel . . . . . . . . . . . . . . . . 260
Electrical Equipment,Add-On . . . . . . . . . . . . . . . . . . . . . . . 279
Electrical System Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 314
Fuses and Circuit Breakers . . . 313
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . 318, 321
Overload . . . . . . . . . . . . . . . . . . . . . 313
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 323 Emergency
OnStar . . . . . . . . . . . . . . . . . . . . . . . 407
Engine Air Cleaner/Filter . . . . . . . . . . . . . 294
Check Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . 146
Compartment Overview . . . . . . . 284
Coolant Temperature
Gauge . . . . . . . . . . . . . . . . . . . . . . 141
Coolant Temperature Warning Light . . . . . . . . . . . . . . . 151
Cooling System . . . . . . . . . . . . . . . 295
Drive Belt Routing . . . . . . . . . . . . 391
Exhaust . . . . . . . . . . . . . . . . . . . . . . 219
Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . 300
Heater . . . . . . . . . . . . . . . . . . . . . . . . 215
Oil Life System . . . . . . . . . . . . . . . 289
Oil Pressure Gauge . . . . . . . . . . 140
Oil Pressure Light . . . . . . . . . . . . 152
Overheating . . . . . . . . . . . . . . . . . . 298
Power Messages . . . . . . . . . . . . . 161
Running While Parked . . . . . . . . 220
Starting . . . . . . . . . . . . . . . . . . . . . . . 213
Entry Lighting . . . . . . . . . . . . . . . . . . . 181
Equipment, Towing . . . . . . . . . . . . . 271
Event Data Recorders . . . . . . . . . . 404
Exit Lighting . . . . . . . . . . . . . . . . . . . . 181
Extended Parking . . . . . . . . . . . . . . . 219 Extender, Seat Belt . . . . . . . . . . . . . . 85
Exterior Lamp Controls . . . . . . . . . 174
Exterior Lamps Off Reminder . . . 176
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . . . 182
F
FanEngine . . . . . . . . . . . . . . . . . . . . . . . . 300
Features Memory . . . . . . . . . . . . . . . . . . . . . . . . . 12
Filter,
Engine Air Cleaner . . . . . . . . . . . 294
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 176
Flashers, Hazard Warning . . . . . . 178
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 345 Changing . . . . . . . . . . . . . . . . . . . . . 346
FlexFuel E85 . . . . . . . . . . . . . . . . . . . . . . . . . . . 260
Floor Mats . . . . . . . . . . . . . . . . . . . . . . 373
Fluid AutomaticTransmission . . . . . . . . . . . 290, 293
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 302
Four-Wheel Drive Transfer Case . . . . . . . . . . . . . . . 226
Washer . . . . . . . . . . . . . . . . . . . . . . . 300
Fog Lamps . . . . . . . . . . . . . . . . . . . . . 179
GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
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422 Index
Fog Lamps (cont'd)Bulb Replacement . . . . . . . . . . . . .311
Folding Mirrors . . . . . . . . . . . . . . . . . . 55
Forward Automatic Braking . . . . . 253
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . 250
Four-Wheel Drive . . . . . . . . . . 226, 303
Four-Wheel-Drive Light . . . . . . . . . 149
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . . . 402
Front Axle . . . . . . . . . . . . . . . . . . . . . . 304
Front Fog Lamp Light . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Front Seats
Heated and Ventilated . . . . . . . . . . 69
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259 Additives . . . . . . . . . . . . . . . . . . . . . 260
Economy Driving . . . . . . . . . . . . . . . 27
Filling a Portable FuelContainer . . . . . . . . . . . . . . . . . . . 263
Filling the Tank . . . . . . . . . . . . . . . 261
Foreign Countries . . . . . . . . . . . . 260
Gauge . . . . . . . . . . . . . . . . . . . . . . . . 140
Low Fuel Warning Light . . . . . . . 152
Management, Active . . . . . . . . . . 218
Requirements, California . . . . . 260
Full-Size Spare Tire . . . . . . . . . . . . 355 Fuses
Engine Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 314
Fuses and Circuit Breakers . . . 313
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . 318, 321
Rear Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 323
G
Garage Door Opener . . . . . . . . . . . 170Programming . . . . . . . . . . . . . . . . . 170
Gas Strut(s) . . . . . . . . . . . . . . . . . . . . 309
Gauges Engine CoolantTemperature . . . . . . . . . . . . . . . . 141
Engine Oil Pressure . . . . . . . . . . 140
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Odometer . . . . . . . . . . . . . . . . . . . . . 139
Speedometer . . . . . . . . . . . . . . . . . 139
Tachometer . . . . . . . . . . . . . . . . . . . 139
Transmission Temperature . . . . 142
Trip Odometer . . . . . . . . . . . . . . . . 139
Voltmeter . . . . . . . . . . . . . . . . . . . . . 143
Warning Lights and Indicators . . . . . . . . . . . . . . . . . . . 135
General Information Service and Maintenance . . . . . 374 General Information (cont'd)
Towing . . . . . . . . . . . . . . . . . . . . . . . . 263
Vehicle Care . . . . . . . . . . . . . . . . . . 281
Glass Replacement . . . . . . . . . . . . . 309
Glove Box . . . . . . . . . . . . . . . . . . . . . . 121
GM Mobility Reimbursement
Program . . . . . . . . . . . . . . . . . . . . . . . 396
H
Hazard Warning Flashers . . . . . . . 178
Head Restraints . . . . . . . . . . . . . . . . . 63
Head-up Display . . . . . . . . . . . . . . . . 157
HeadlampsAiming . . . . . . . . . . . . . . . . . . . . . . . . 310
Automatic . . . . . . . . . . . . . . . . . . . . . 177
Bulb Replacement . . . . . . . . . . . . .311
Daytime Running
Lamps (DRL) . . . . . . . . . . . . . . . . 177
Flash-to-Pass . . . . . . . . . . . . . . . . . 176
High Intensity Discharge
(HID) Lighting . . . . . . . . . . . . . . . .311
High-Beam On Light . . . . . . . . . . 153
High/Low Beam Changer . . . . . 176
Lamps On Reminder . . . . . . . . . 153
Heated Rear Seats . . . . . . . . . . . . . . . . . . . . . 71
Steering Wheel . . . . . . . . . . . . . . . 126