2018 GMC Yukon XL Owner's Manual
Year:
2018
Make:
GMC
Model:
Yukon XL
Rating:
Table of Contents
Contents
2
Introduction
3
Canadian Vehicle Owners
3
Using this Manual
3
Danger, Warning, and Caution
3
Symbols
4
In Brief
6
Instrument Panel
7
Initial Drive Information
9
Remote Keyless Entry (RKE) System
9
Remote Vehicle Start
10
Door Locks
10
Liftgate
11
Windows
12
Seat Adjustment
12
Memory Features
13
Second Row Seats
13
Third Row Seats
14
Heated and Ventilated Seats
14
Head Restraint Adjustment
14
Seat Belts
14
Passenger Sensing System
15
Mirror Adjustment
15
Steering Wheel Adjustment
16
Throttle and Brake Pedal Adjustment
16
Interior Lighting
17
Exterior Lighting
17
Windshield Wiper/Washer
18
Climate Controls
19
Transmission
19
Four-Wheel Drive
20
Vehicle Features
21
Infotainment System
21
Steering Wheel Controls
21
Cruise Control
21
Driver Information Center (DIC)
21
Forward Collision Alert (FCA) System
22
Forward Automatic Braking (FAB)
22
Lane Keep Assist (LKA)
22
Lane Change Alert (LCA)
22
Rear Vision Camera (RVC)
23
Rear Cross Traffic Alert (RCTA) System
23
Parking Assist
23
Power Outlets
23
Universal Remote System
24
Sunroof
24
Performance and Maintenance
25
Traction Control/Electronic Stability Control
25
Tire Pressure Monitor
25
Fuel (L83 5.3L V8 Engine)
26
Fuel (L86 6.2L V8 Engine)
26
E85 or FlexFuel
26
Engine Oil Life System
26
Driving for Better Fuel Economy
27
Roadside Assistance Program
27
Keys, Doors, and Windows
28
Keys and Locks
28
Keys (Keyless Access)
28
Keys (Key Access)
29
Remote Keyless Entry (RKE) System
32
Remote Keyless Entry (RKE) System Operation (Key Access)
32
Remote Keyless Entry (RKE) System Operation (Keyless Access)
34
Remote Vehicle Start
40
Door Locks
42
Power Door Locks
43
Delayed Locking
43
Automatic Door Locks
43
Lockout Protection
43
Safety Locks
44
Doors
44
Liftgate
44
Power Assist Steps
49
Vehicle Security
50
Vehicle Alarm System
50
Immobilizer
52
Immobilizer Operation
52
Exterior Mirrors
53
Convex Mirrors
53
Power Mirrors
54
Folding Mirrors
54
Heated Mirrors
55
Automatic Dimming Mirror
55
Blind Spot Mirrors
55
Reverse Tilt Mirrors
56
Interior Mirrors
56
Interior Rearview Mirrors
56
Manual Rearview Mirror
56
Automatic Dimming Rearview Mirror
57
Child-View Mirror
57
Windows
57
Power Windows
57
Sun Visors
59
Roof
59
Sunroof
59
Seats and Restraints
61
Head Restraints
62
Front Seats
63
Power Seat Adjustment
63
Lumbar Adjustment
64
Reclining Seatbacks
64
Memory Seats
65
Heated and Ventilated Front Seats
68
Rear Seats
69
Heated Rear Seats
70
Second Row Seats
70
Third Row Seats
75
Seat Belts
77
How to Wear Seat Belts Properly
78
Lap-Shoulder Belt
79
Seat Belt Use During Pregnancy
83
Lap Belt
84
Seat Belt Extender
84
Safety System Check
84
Seat Belt Care
85
Replacing Seat Belt System Parts after a Crash
85
Airbag System
86
Where Are the Airbags?
87
When Should an Airbag Inflate?
89
What Makes an Airbag Inflate?
90
How Does an Airbag Restrain?
90
What Will You See after an Airbag Inflates?
91
Passenger Sensing System
92
Servicing the Airbag-Equipped Vehicle
96
Adding Equipment to the Airbag-Equipped Vehicle
96
Airbag System Check
97
Replacing Airbag System Parts after a Crash
97
Child Restraints
98
Older Children
98
Infants and Young Children
99
Child Restraint Systems
102
Where to Put the Restraint
103
Lower Anchors and Tethers for Children (LATCH System)
105
Replacing LATCH System Parts After a Crash
112
Securing Child Restraints (With the Seat Belt in the Rear Seat)
113
Securing Child Restraints (With the Seat Belt in the Center Front Seat)
115
Securing Child Restraints (With the Seat Belt in the Front Passenger Seat)
115
Storage
119
Storage Compartments
119
Instrument Panel Storage
119
Glove Box
119
Cupholders
119
Sunglasses Storage
120
Armrest Storage
120
Rear Storage
120
Center Console Storage
121
Additional Storage Features
121
Cargo Tie-Downs
121
Convenience Net
121
Roof Rack System
121
Instruments and Controls
123
Controls
124
Steering Wheel Adjustment
124
Steering Wheel Controls
124
Heated Steering Wheel
124
Horn
124
Windshield Wiper/Washer
124
Rear Window Wiper/Washer
126
Compass
127
Clock
127
Power Outlets
128
Wireless Charging
130
Warning Lights, Gauges, and Indicators
133
Instrument Cluster
134
Speedometer
137
Odometer
137
Trip Odometer
137
Tachometer
137
Fuel Gauge
138
Engine Oil Pressure Gauge
138
Engine Coolant Temperature Gauge
139
Transmission Temperature Gauge
140
Voltmeter Gauge
141
Seat Belt Reminders
141
Airbag Readiness Light
142
Passenger Airbag Status Indicator
143
Charging System Light
143
Malfunction Indicator Lamp (Check Engine Light)
144
Brake System Warning Light
146
Antilock Brake System (ABS) Warning Light
146
Four-Wheel-Drive Light
147
Tow/Haul Mode Light
147
Lane Keep Assist (LKA) Light
147
Vehicle Ahead Indicator
147
Traction Off Light
148
StabiliTrak OFF Light
148
Traction Control System (TCS)/StabiliTrak Light
148
Engine Coolant Temperature Warning Light
149
Tire Pressure Light
149
Engine Oil Pressure Light
150
Low Fuel Warning Light
150
Security Light
150
High-Beam On Light
150
Front Fog Lamp Light
151
Lamps On Reminder
151
Cruise Control Light
151
Door Ajar Light
151
Information Displays
152
Driver Information Center (DIC)
152
Head-Up Display (HUD)
155
Vehicle Messages
158
Engine Power Messages
159
Vehicle Speed Messages
159
Vehicle Personalization
159
Universal Remote System
167
Universal Remote System Programming
167
Universal Remote System Operation
169
Lighting
171
Exterior Lighting
171
Exterior Lamp Controls
171
Exterior Lamps Off Reminder
173
Headlamp High/Low-Beam Changer
173
Flash-to-Pass
173
Daytime Running Lamps (DRL)
174
Automatic Headlamp System
174
Hazard Warning Flashers
175
Turn and Lane-Change Signals
175
Fog Lamps
176
Interior Lighting
177
Instrument Panel Illumination Control
177
Dome Lamps
177
Reading Lamps
177
Lighting Features
178
Entry Lighting
178
Exit Lighting
178
Battery Load Management
178
Battery Power Protection
179
Exterior Lighting Battery Saver
179
Infotainment System
180
Introduction
180
Infotainment
180
Climate Controls
181
Climate Control Systems
181
Dual Automatic Climate Control System
181
Rear Climate Control System
185
Air Vents
186
Maintenance
187
Passenger Compartment Air Filter
187
Service
188
Driving and Operating
189
Driving Information
190
Distracted Driving
190
Defensive Driving
191
Drunk Driving
191
Control of a Vehicle
191
Braking
191
Steering
192
Off-Road Recovery
192
Loss of Control
193
Off-Road Driving
193
Driving on Wet Roads
198
Hill and Mountain Roads
199
Winter Driving
199
If the Vehicle Is Stuck
201
Vehicle Load Limits
201
Starting and Operating
205
New Vehicle Break-In
205
Adjustable Throttle and Brake Pedal
206
Ignition Positions (Keyless Access)
206
Ignition Positions (Key Access)
208
Starting the Engine
210
Engine Heater
211
Retained Accessory Power (RAP)
213
Shifting Into Park
213
Shifting out of Park
214
Parking over Things That Burn
215
Active Fuel Management
215
Extended Parking
215
Engine Exhaust
216
Running the Vehicle While Parked
216
Automatic Transmission
217
Manual Mode
219
Tow/Haul Mode
223
Drive Systems
223
Four-Wheel Drive
223
Brakes
228
Antilock Brake System (ABS)
228
Parking Brake
229
Brake Assist
229
Hill Start Assist (HSA)
230
Ride Control Systems
230
Traction Control/Electronic Stability Control
230
Hill Descent Control (HDC)
232
Magnetic Ride Control
233
Locking Rear Axle
233
Automatic Level Control
233
Cruise Control
234
Adaptive Cruise Control
236
Driver Assistance Systems
243
Assistance Systems for Parking or Backing
244
Assistance Systems for Driving
247
Forward Collision Alert (FCA) System
247
Forward Automatic Braking (FAB)
249
Side Blind Zone Alert (SBZA)
251
Lane Change Alert (LCA)
251
Lane Departure Warning (LDW)
253
Lane Keep Assist (LKA)
253
Fuel
255
California Fuel Requirements
256
Fuels in Foreign Countries
256
Fuel Additives
256
E85 or FlexFuel
257
Filling the Tank
257
Filling a Portable Fuel Container
259
Trailer Towing
260
General Towing Information
260
Driving Characteristics and Towing Tips
260
Towing Equipment
268
Trailer Sway Control (TSC)
274
Conversions and Add-Ons
275
Add-On Electrical Equipment
275
Vehicle Care
277
General Information
278
California Proposition 65 Warning
278
California Perchlorate Materials Requirements
279
Accessories and Modifications
279
Vehicle Checks
279
Doing Your Own Service Work
279
Hood
280
Engine Compartment Overview
281
Engine Oil
284
Engine Oil Life System
286
Automatic Transmission Fluid (6 Speed Transmission)
287
Automatic Transmission Fluid (8 and 10 Speed Transmission)
290
Engine Air Cleaner/Filter
291
Cooling System
292
Engine Overheating
295
Engine Fan
297
Washer Fluid
297
Brakes
298
Brake Fluid
298
Battery - North America
299
Four-Wheel Drive
300
Front Axle
301
Rear Axle
301
Noise Control System
302
Starter Switch Check
303
Automatic Transmission Shift Lock Control Function Check
303
Ignition Transmission Lock Check
304
Park Brake and P (Park) Mechanism Check
304
Wiper Blade Replacement
304
Glass Replacement
305
Windshield Replacement
305
Gas Strut(s)
306
Headlamp Aiming
307
Bulb Replacement
307
High Intensity Discharge (HID) Lighting
307
LED Lighting
308
Fog Lamps
308
Back-Up Lamps
308
License Plate Lamp
309
Electrical System
310
Electrical System Overload
310
Fuses and Circuit Breakers
310
Engine Compartment Fuse Block
311
Instrument Panel Fuse Block (Left)
315
Instrument Panel Fuse Block (Right)
318
Rear Compartment Fuse Block
320
Wheels and Tires
321
Tires
321
All-Season Tires
322
Winter Tires
322
Low-Profile Tires
323
All-Terrain Tires
323
Tire Sidewall Labeling
323
Tire Designations
325
Tire Terminology and Definitions
325
Tire Pressure
328
Tire Pressure for High-Speed Operation
329
Tire Pressure Monitor System
330
Tire Pressure Monitor Operation
331
Tire Inspection
334
Tire Rotation
335
When It Is Time for New Tires
336
Buying New Tires
336
Different Size Tires and Wheels
338
Uniform Tire Quality Grading
338
Wheel Alignment and Tire Balance
340
Wheel Replacement
340
Tire Chains
341
If a Tire Goes Flat
342
Tire Changing
343
Full-Size Spare Tire
351
Jump Starting
352
Jump Starting - North America
352
Towing the Vehicle
356
Recreational Vehicle Towing
356
Appearance Care
361
Exterior Care
361
Interior Care
365
Floor Mats
368
Service and Maintenance
370
General Information
370
Maintenance Schedule
371
Special Application Services
377
Additional Maintenance and Care
377
Recommended Fluids, Lubricants, and Parts
380
Recommended Fluids and Lubricants
380
Maintenance Replacement Parts
381
Maintenance Records
383
Technical Data
384
Vehicle Identification
384
Vehicle Identification Number (VIN)
384
Service Parts Identification Label
384
Vehicle Data
385
Capacities and Specifications
385
Engine Drive Belt Routing
386
Customer Information
387
Customer Information
387
Customer Satisfaction Procedure
387
Customer Assistance Offices
389
Customer Assistance for Text Telephone (TTY) Users
390
Online Owner Center
390
GM Mobility Reimbursement Program
391
Roadside Assistance Program
391
Scheduling Service Appointments
393
Courtesy Transportation Program
393
Collision Damage Repair
394
Service Publications Ordering Information
396
Radio Frequency Statement
397
Reporting Safety Defects
397
Reporting Safety Defects to the United States Government
397
Reporting Safety Defects to the Canadian Government
398
Reporting Safety Defects to General Motors
398
Vehicle Data Recording and Privacy
399
Event Data Recorders
399
OnStar
400
Infotainment System
400
OnStar
401
OnStar Overview
401
OnStar Services
402
Emergency
402
Security
403
Navigation
403
Connections
404
Diagnostics
406
OnStar Additional Information
407
Index
413
Index_A
413
Index_B
414
Index_C
414
Index_D
415
Index_E
416
Index_F
416
Index_G
417
Index_H
417
Index_I
418
Index_J
418
Index_K
418
Index_L
418
Index_M
419
Index_N
419
Index_O
419
Index_P
420
Index_R
420
Index_S
421
Index_T
422
Index_U
423
Index_V
423
Index_W
423
2018 GMC Yukon XL Overview
Introduction
The 2018 GMC Yukon XL stands out as a full-size SUV that embodies luxury, space, and robust performance. Designed for families and adventurers alike, it offers exceptional passenger comfort and impressive cargo capacity, all while maintaining a commanding presence on the road. With its refined interior and state-of-the-art technology, the Yukon XL is perfect for those seeking a blend of versatility and sophistication.
Powertrains
Under the hood, the 2018 GMC Yukon XL offers two formidable powertrain options. The standard model is equipped with a powerful 5.3-liter V8 engine, producing 355 horsepower and 383 lb-ft of torque. For those thirsting for even more power, an available 6.2-liter V8 engine unleashes 420 horsepower and 460 lb-ft of torque, paired with an efficient 10-speed automatic transmission. Both engines are designed to deliver exceptional towing capabilities, making the Yukon XL a reliable choice for hauling trailers and boats.
Trims
The 2018 Yukon XL comes in several well-appointed trims to cater to varying preferences. The base SLT trim offers generous features, while the upscale Denali trim enhances the experience with premium amenities such as upgraded leather upholstery, a unique grille, and advanced technology features. Each trim level ensures a luxurious feel, maintaining a high standard of quality and comfort throughout the cabin.
Features
The interior of the Yukon XL is loaded with modern features aimed at maximizing convenience and comfort. Standard features include an 8-inch touchscreen infotainment system with Apple CarPlay and Android Auto compatibility, Bluetooth connectivity, and a rearview camera. Higher trims offer additional luxuries such as heated and ventilated seats, a premium audio system, navigation, and an advanced rear-seat entertainment system.
Owner's Manual
For new owners, the 2018 GMC Yukon XL owner's manual provides a comprehensive guide to maximizing the vehicle's features. It includes essential information on maintenance schedules, safety features, infotainment system setup, and troubleshooting tips to ensure an enjoyable ownership experience. This resource is invaluable for navigating the complexities of this versatile SUV.
User manual download
The GMC Yukon XL owner manual for the 2018 model year is to be found in PDF downloadable format on this page. The owner manual for the model year 2018 is free and in English, but the repair manuals are usually not easy to get and may cost more.
Posted by, John Mana
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