fog light GMC YUKON XL 2018 User Guide

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/20/17
Vehicle Care 307
LED Lighting This vehicle has several LED lamps.
For replacement of any LED lighting
assembly, contact your dealer.
Fog Lamps
To replace the front fog lamp bulb:
1. Locate the fog lamp under the
front bumper.
2. Disconnect the electrical
connector from the fog lamp
bulb assembly by pressing the
connector release.
3. Turn the bulb counterclockwise
to remove it from the housing. Back-Up Lamps To replace a back-up bulb:
1. Open the liftgate. See Liftgate
0 43 .
2. Remove the taillamp closeout
cover from the lamp assembly
by pulling rearward from the
top and bottom at the same
time to unfasten the snap tabs. 3. Remove the two screws from
the taillamp assembly.
4. Pull the taillamp assembly
straight back to remove.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/20/17
Vehicle Care 365hand lotions, sunscreen, and insect
repellent from all interior surfaces or
permanent damage may result.
Use cleaners specifically designed
for the surfaces being cleaned to
prevent permanent damage. Apply
all cleaners directly to the cleaning
cloth. Do not spray cleaners on any
switches or controls. Remove
cleaners quickly.
Before using cleaners, read and
follow all safety instructions on the
label. While cleaning the interior,
open the doors and windows to get
proper ventilation.
To prevent damage, do not clean
the interior using the following
cleaners or techniques:
.
Never use a razor or any other
sharp object to remove soil from
any interior surface.
.
Never use a brush with stiff
bristles. .
Never rub any surface
aggressively or with too much
pressure.
.
Do not use laundry detergents or
dishwashing soaps with
degreasers. For liquid cleaners,
use approximately 20 drops per
3.8 L (1 gal) of water.
A concentrated soap solution will
create streaks and attract dirt.
Do not use solutions that contain
strong or caustic soap.
.
Do not heavily saturate the
upholstery when cleaning.
.
Do not use solvents or cleaners
containing solvents.
Interior Glass To clean, use a terry cloth fabric
dampened with water. Wipe droplets
left behind with a clean dry cloth.
If necessary, use a commercial
glass cleaner after cleaning with
plain water. CautionTo prevent scratching, never use
abrasive cleaners on automotive
glass. Abrasive cleaners or
aggressive cleaning may damage
the rear window defogger.
Cleaning the windshield with water
during the first three to six months
of ownership will reduce tendency
to fog.
Speaker Covers Vacuum around a speaker cover
gently, so that the speaker will not
be damaged. Clean spots with water
and mild soap.
Coated Moldings Coated moldings should be cleaned.
.
When lightly soiled, wipe with a
sponge or soft, lint-free cloth
dampened with water.
.
When heavily soiled, use warm
soapy water.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/21/17
Index 413Assistance Program,
Roadside . . . . . . . . . . . . . . . . . . . . . . 390
Assistance Systems for
Driving . . . . . . . . . . . . . . . . . . . . . . . . 246
Assistance Systems for
Parking and Backing . . . . . . . . . . 243
Automatic
Dimming Mirrors . . . . . . . . . . . . . . . . 54
Door Locks . . . . . . . . . . . . . . . . . . . . . 42
Forward Braking . . . . . . . . . . . . . . 248
Headlamp System . . . . . . . . . . . . 173
Level Control . . . . . . . . . . . . . . . . . 232
Transmission . . . . . . . . . . . . . . . . . 216
Transmission Fluid . . . . . . 286, 289
Automatic Transmission
Manual Mode . . . . . . . . . . . . . . . . . 218
Shift Lock Control Function
Check . . . . . . . . . . . . . . . . . . . . . . . 302
Axle, Front . . . . . . . . . . . . . . . . . . . . . . 300
Axle, Rear . . . . . . . . . . . . . . . . . . . . . . 300
B Battery
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . 178
Load Management . . . . . . . . . . . . 177 Battery (cont'd)
Power Protection . . . . . . . . . . . . . 178
Battery - North America . . . . 298, 351
Blade Replacement, Wiper . . . . . 303
Blind Spot Mirrors . . . . . . . . . . . . . . . 54
Brake
Pedal and Adjustable
Throttle . . . . . . . . . . . . . . . . . . . . . . 205
System Warning Light . . . . . . . . 145
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . 297
Antilock . . . . . . . . . . . . . . . . . . . . . . . 227
Assist . . . . . . . . . . . . . . . . . . . . . . . . . 228
Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . 297
Parking . . . . . . . . . . . . . . . . . . . . . . . 228
Braking . . . . . . . . . . . . . . . . . . . . . . . . . 190
Automatic Forward . . . . . . . . . . . 248
Break-In, New Vehicle . . . . . . . . . . 204
Bulb Replacement
Back-up Lamps . . . . . . . . . . . . . . . 307
Fog Lamps . . . . . . . . . . . . . . . . . . . 307
Headlamp Aiming . . . . . . . . . . . . . 306
Headlamps . . . . . . . . . . . . . . . . . . . 306
High Intensity Discharge
(HID) Lighting . . . . . . . . . . . . . . . 306
License Plate Lamps . . . . . . . . . 308
Buying New Tires . . . . . . . . . . . . . . . 335 C Calibration . . . . . . . . . . . . . . . . . . . . . . 126
California
Fuel Requirements . . . . . . . . . . . 255
Perchlorate Materials
Requirements . . . . . . . . . . . . . . . 278
California
Proposition
65 Warning . . . . . . . . . .277, 298, 351,
Back Cover
Canadian Vehicle Owners . . . . . . . . 2
Capacities and
Specifications . . . . . . . . . . . . . . . . . 384
Carbon Monoxide
Engine Exhaust . . . . . . . . . . . . . . . 215
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . . 43
Winter Driving . . . . . . . . . . . . . . . . 198
Cargo
Tie-Downs . . . . . . . . . . . . . . . . . . . . 120
Caution, Danger, and Warning . . . . 2
Center Console Storage . . . . . . . . 120
Chains, Tire . . . . . . . . . . . . . . . . . . . . 340
Charging
Wireless . . . . . . . . . . . . . . . . . . . . . . 129
Charging System Light . . . . . . . . . 142
Check
Engine Light (Malfunction
Indicator) . . . . . . . . . . . . . . . . . . . . 143

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/21/17
Index 415Driving (cont'd)
Defensive . . . . . . . . . . . . . . . . . . . . . 190
Drunk . . . . . . . . . . . . . . . . . . . . . . . . . 190
For Better Fuel Economy . . . . . . . 26
Hill and Mountain Roads . . . . . . 198
If the Vehicle is Stuck . . . . . . . . . 200
Loss of Control . . . . . . . . . . . . . . . 192
Off-Road . . . . . . . . . . . . . . . . . . . . . 192
Off-Road Recovery . . . . . . . . . . . 191
Vehicle Load Limits . . . . . . . . . . . 200
Wet Roads . . . . . . . . . . . . . . . . . . . 197
Winter . . . . . . . . . . . . . . . . . . . . . . . . 198
Dual Automatic Climate
Control System . . . . . . . . . . . . . . . . 180
E E85 or FlexFuel . . . . . . . . . . . . . . . . 256
Electrical Equipment,
Add-On . . . . . . . . . . . . . . . . . . . . . . . 274
Electrical System
Engine Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 310
Fuses and Circuit Breakers . . . 309
Instrument Panel Fuse
Block . . . . . . . . . . . . . . . . . . . 314, 317
Overload . . . . . . . . . . . . . . . . . . . . . 309
Rear Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 319 Emergency
OnStar . . . . . . . . . . . . . . . . . . . . . . . 401
Engine
Air Cleaner/Filter . . . . . . . . . . . . . 290
Check Light (Malfunction
Indicator) . . . . . . . . . . . . . . . . . . . . 143
Compartment Overview . . . . . . . 280
Coolant Temperature
Gauge . . . . . . . . . . . . . . . . . . . . . . 138
Coolant Temperature
Warning Light . . . . . . . . . . . . . . . 148
Cooling System . . . . . . . . . . . . . . . 291
Drive Belt Routing . . . . . . . . . . . . 385
Exhaust . . . . . . . . . . . . . . . . . . . . . . 215
Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . 296
Heater . . . . . . . . . . . . . . . . . . . . . . . . 210
Oil Life System . . . . . . . . . . . . . . . 285
Oil Pressure Gauge . . . . . . . . . . 137
Oil Pressure Light . . . . . . . . . . . . 149
Overheating . . . . . . . . . . . . . . . . . . 294
Power Messages . . . . . . . . . . . . . 158
Running While Parked . . . . . . . . 215
Starting . . . . . . . . . . . . . . . . . . . . . . . 209
Entry Lighting . . . . . . . . . . . . . . . . . . . 177
Equipment, Towing . . . . . . . . . . . . . 267
Event Data Recorders . . . . . . . . . . 398
Exit Lighting . . . . . . . . . . . . . . . . . . . . 177
Extended Parking . . . . . . . . . . . . . . . 214 Extender, Seat Belt . . . . . . . . . . . . . . 83
Exterior Lamp Controls . . . . . . . . . 170
Exterior Lamps Off Reminder . . . 172
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . . . 178
F Fan
Engine . . . . . . . . . . . . . . . . . . . . . . . . 296
Features
Memory . . . . . . . . . . . . . . . . . . . . . . . . . 12
Filter,
Engine Air Cleaner . . . . . . . . . . . 290
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 172
Flashers, Hazard Warning . . . . . . 174
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 341
Changing . . . . . . . . . . . . . . . . . . . . . 342
FlexFuel
E85 . . . . . . . . . . . . . . . . . . . . . . . . . . . 256
Floor Mats . . . . . . . . . . . . . . . . . . . . . . 367
Fluid
Automatic
Transmission . . . . . . . . . . . 286, 289
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 297
Four-Wheel Drive
Transfer Case . . . . . . . . . . . . . . . 222
Washer . . . . . . . . . . . . . . . . . . . . . . . 296
Fog Lamps . . . . . . . . . . . . . . . . . . . . . 175
Bulb Replacement . . . . . . . . . . . . 307

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/21/17
416 Index Folding Mirrors . . . . . . . . . . . . . . . . . . 53
Forward Automatic Braking . . . . . 248
Forward Collision Alert
(FCA) System . . . . . . . . . . . . . . . . . 246
Four-Wheel Drive . . . . . . . . . . 222, 299
Four-Wheel-Drive Light . . . . . . . . . 146
Frequency Statement
Radio . . . . . . . . . . . . . . . . . . . . . . . . . 396
Front Axle . . . . . . . . . . . . . . . . . . . . . . 300
Front Fog Lamp
Light . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Front Seats
Heated and Ventilated . . . . . . . . . . 67
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254
Additives . . . . . . . . . . . . . . . . . . . . . 255
Economy Driving . . . . . . . . . . . . . . . 26
Filling a Portable Fuel
Container . . . . . . . . . . . . . . . . . . . 258
Filling the Tank . . . . . . . . . . . . . . . 256
Foreign Countries . . . . . . . . . . . . 255
Gauge . . . . . . . . . . . . . . . . . . . . . . . . 137
Low Fuel Warning Light . . . . . . . 149
Management, Active . . . . . . . . . . 214
Requirements, California . . . . . 255
Full-Size Spare Tire . . . . . . . . . . . . 350
Fuses
Engine Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 310 Fuses (cont'd)
Fuses and Circuit Breakers . . . 309
Instrument Panel Fuse
Block . . . . . . . . . . . . . . . . . . . 314, 317
Rear Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 319
G Garage Door Opener . . . . . . . . . . . 166
Programming . . . . . . . . . . . . . . . . . 166
Gas Strut(s) . . . . . . . . . . . . . . . . . . . . 305
Gauges
Engine Coolant
Temperature . . . . . . . . . . . . . . . . 138
Engine Oil Pressure . . . . . . . . . . 137
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Odometer . . . . . . . . . . . . . . . . . . . . . 136
Speedometer . . . . . . . . . . . . . . . . . 136
Tachometer . . . . . . . . . . . . . . . . . . . 136
Transmission Temperature . . . . 139
Trip Odometer . . . . . . . . . . . . . . . . 136
Voltmeter . . . . . . . . . . . . . . . . . . . . . 140
Warning Lights and
Indicators . . . . . . . . . . . . . . . . . . . 132
General Information
Service and Maintenance . . . . . 369
Towing . . . . . . . . . . . . . . . . . . . . . . . . 259
Vehicle Care . . . . . . . . . . . . . . . . . . 277
Glass Replacement . . . . . . . . . . . . . 304 Glove Box . . . . . . . . . . . . . . . . . . . . . . 118
GM Mobility Reimbursement
Program . . . . . . . . . . . . . . . . . . . . . . . 390
H Hazard Warning Flashers . . . . . . . 174
Head Restraints . . . . . . . . . . . . . . . . . 61
Head-up Display . . . . . . . . . . . . . . . . 154
Headlamps
Aiming . . . . . . . . . . . . . . . . . . . . . . . . 306
Automatic . . . . . . . . . . . . . . . . . . . . . 173
Bulb Replacement . . . . . . . . . . . . 306
Daytime Running
Lamps (DRL) . . . . . . . . . . . . . . . . 173
Flash-to-Pass . . . . . . . . . . . . . . . . . 172
High Intensity Discharge
(HID) Lighting . . . . . . . . . . . . . . . 306
High-Beam On Light . . . . . . . . . . 149
High/Low Beam Changer . . . . . 172
Lamps On Reminder . . . . . . . . . 150
Heated
Rear Seats . . . . . . . . . . . . . . . . . . . . . 69
Steering Wheel . . . . . . . . . . . . . . . 123
Heated and Ventilated Front
Seats . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Heated Mirrors . . . . . . . . . . . . . . . . . . . 54
Heater
Engine . . . . . . . . . . . . . . . . . . . . . . . . 210
Heating . . . . . . . . . . . . . . . . . . . . 180, 184

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/21/17
418 Index Lights (cont'd)
Engine Oil Pressure . . . . . . . . . . 149
Flash-to-Pass . . . . . . . . . . . . . . . . . 172
Four-Wheel-Drive . . . . . . . . . . . . . 146
Front Fog Lamp . . . . . . . . . . . . . . 150
High-Beam On . . . . . . . . . . . . . . . . 149
High/Low Beam Changer . . . . . 172
Lane Keep Assist . . . . . . . . . . . . . 146
Low Fuel Warning . . . . . . . . . . . . 149
Seat Belt Reminders . . . . . . . . . . 140
Security . . . . . . . . . . . . . . . . . . . . . . 149
StabiliTrak OFF . . . . . . . . . . . . . . . 147
Tire Pressure . . . . . . . . . . . . . . . . . 148
Tow/Haul Mode . . . . . . . . . . . . . . . 146
Traction Control System
(TCS)/StabiliTrak . . . . . . . . . . . . 147
Traction Off . . . . . . . . . . . . . . . . . . . 147
Locking Rear Axle . . . . . . . . . . . . . . 232
Locks
Automatic Door . . . . . . . . . . . . . . . . . 42
Delayed Locking . . . . . . . . . . . . . . . . 42
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Lockout Protection . . . . . . . . . . . . . . 42
Power Door . . . . . . . . . . . . . . . . . . . . . 42
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Loss of Control . . . . . . . . . . . . . . . . . 192
Low Fuel Warning Light . . . . . . . . . 149
Low-Profile Tires . . . . . . . . . . . . . . . . 322 Lower Anchors and Tethers
for Children (LATCH
System) . . . . . . . . . . . . . . . . . . . . . . . 104
Lumbar Adjustment . . . . . . . . . . . . . . 63
Front Seats . . . . . . . . . . . . . . . . . . . . . 63
M Magnetic Ride Control . . . . . . . . . . 232
Maintenance
Records . . . . . . . . . . . . . . . . . . . . . . 382
Maintenance and Care
Additional . . . . . . . . . . . . . . . . . . . . . 376
Maintenance Schedule . . . . . . . . . 370
Recommended Fluids and
Lubricants . . . . . . . . . . . . . . . . . . . 379
Transfer Case . . . . . . . . . . . . . . . . 222
Malfunction Indicator Lamp . . . . . 143
Manual Mode . . . . . . . . . . . . . . . . . . . 218
Memory Features . . . . . . . . . . . . . . . . 12
Memory Seats . . . . . . . . . . . . . . . . . . . 64
Messages
Engine Power . . . . . . . . . . . . . . . . 158
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 157
Vehicle Speed . . . . . . . . . . . . . . . . 158
Mirror
Child-View . . . . . . . . . . . . . . . . . . . . . . 56
Mirrors
Automatic Dimming . . . . . . . . . . . . . 54 Mirrors (cont'd)
Automatic Dimming
Rearview . . . . . . . . . . . . . . . . . . . . . . 56
Blind Spot . . . . . . . . . . . . . . . . . . . . . . 54
Convex . . . . . . . . . . . . . . . . . . . . . . . . . 52
Folding . . . . . . . . . . . . . . . . . . . . . . . . . 53
Heated . . . . . . . . . . . . . . . . . . . . . . . . . 54
Manual Rearview . . . . . . . . . . . . . . . 55
Power . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Tilt in Reverse . . . . . . . . . . . . . . . . . . 55
Mirrors, Interior Rearview . . . . . . . . 55
Monitor System, Tire
Pressure . . . . . . . . . . . . . . . . . . . . . . 329
N Navigation
OnStar . . . . . . . . . . . . . . . . . . . . . . . 402
Net, Convenience . . . . . . . . . . . . . . 120
New Vehicle Break-In . . . . . . . . . . . 204
Noise Control System . . . . . . . . . . 301
O Odometer . . . . . . . . . . . . . . . . . . . . . . . 136
Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Off-Road . . . . . . . . . . . . . . . . . . . . . . . 192
Driving . . . . . . . . . . . . . . . . . . . . . . . . 192
Recovery . . . . . . . . . . . . . . . . . . . . . 191
Oil
Engine . . . . . . . . . . . . . . . . . . . . . . . . 283

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/21/17
Index 419Oil (cont'd)
Engine Oil Life System . . . . . . . 285
Engine Oil Pressure Gauge . . . 137
Pressure Light . . . . . . . . . . . . . . . . 149
Older Children, Restraints . . . . . . . 97
Online Owner Center . . . . . . . . . . . 389
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . 399
OnStar Additional
Information . . . . . . . . . . . . . . . . . . . . 406
OnStar Connections . . . . . . . . . . . . 403
OnStar Diagnostics . . . . . . . . . . . . . 405
OnStar Emergency . . . . . . . . . . . . . 401
OnStar Navigation . . . . . . . . . . . . . . 402
OnStar Overview . . . . . . . . . . . . . . . 400
OnStar Security . . . . . . . . . . . . . . . . 402
Operation
Fog Lamps . . . . . . . . . . . . . . . . . . . 175
Ordering
Service Publications . . . . . . . . . . 395
Outlets
Power . . . . . . . . . . . . . . . . . . . . . . . . 127
Overheating, Engine . . . . . . . . . . . . 294
P Park
Shifting Into . . . . . . . . . . . . . . . . . . . 212
Shifting Out of . . . . . . . . . . . . . . . . 213
Parking
Brake . . . . . . . . . . . . . . . . . . . . . . . . . 228 Parking (cont'd)
Brake and P (Park)
Mechanism Check . . . . . . . . . . 303
Extended . . . . . . . . . . . . . . . . . . . . . 214
Over Things That Burn . . . . . . . 214
Parking Assist . . . . . . . . . . . . . . . . . . 243
Parking or Backing
Assistance Systems . . . . . . . . . . 243
Passenger Airbag Status
Indicator . . . . . . . . . . . . . . . . . . . . . . 142
Passenger Compartment Air
Filter . . . . . . . . . . . . . . . . . . . . . . . . . . 186
Passenger Sensing System . . . . . 91
Perchlorate Materials
Requirements, California . . . . . . 278
Personalization
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 158
Power
Door Locks . . . . . . . . . . . . . . . . . . . . . 42
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Outlets . . . . . . . . . . . . . . . . . . . . . . . 127
Protection, Battery . . . . . . . . . . . . 178
Retained Accessory (RAP) . . . 212
Seat Adjustment . . . . . . . . . . . . . . . . 62
Windows . . . . . . . . . . . . . . . . . . . . . . . 56
Power Assist Steps . . . . . . . . . . . . . . 48
Pregnancy, Using Seat Belts . . . . 82 Privacy
Vehicle Data Recording . . . . . . . 398
Program
Courtesy Transportation . . . . . . 392
Proposition
65 Warning,
California . . . . . . . . . . . .277, 298, 351,
Back Cover
R Radio Frequency Statement . . . . 396
Reading Lamps . . . . . . . . . . . . . . . . . 176
Rear Axle . . . . . . . . . . . . . . . . . . . . . . . 300
Locking . . . . . . . . . . . . . . . . . . . . . . . 232
Rear Climate Control System . . . 184
Rear Seats . . . . . . . . . . . . . . . . . . . . . . 68
Heated . . . . . . . . . . . . . . . . . . . . . . . . . 69
Rear Storage . . . . . . . . . . . . . . . . . . . 119
Rear Vision Camera (RVC) . . . . . 243
Rear Window Washer/Wiper . . . . 125
Rearview Mirrors . . . . . . . . . . . . . . . . 55
Automatic Dimming . . . . . . . . . . . . . 56
Reclining Seatbacks . . . . . . . . . . . . . 63
Recommended Fluids and
Lubricants . . . . . . . . . . . . . . . . . . . . . 379
Records
Maintenance . . . . . . . . . . . . . . . . . . 382
Recreational Vehicle Towing . . . . 355