2003 GMC YUKON engine

Locks (cont.)
Rear Door Security Locks.............................2-11
Loss of Control...............................................4-21
LOW COOLANT LEVEL..................................3-64
Low Fuel Warning Light...................................3-53
Luggage Carrier..............................................2-55
Lumbar
Power Controls............................................. 1-5
M
Maintenance, Normal Replacement Parts..........5-109
Maintenance Schedule
At Each Fuel Fill.........................................6-11
At Least Once a Month................................6-11
At Least Once a Year..................................6-12
At Least Twice a Year..................................6-12
Brake System Inspection..............................6-16
Engine Cooling System Inspection.................6-16
Exhaust System Inspection...........................6-15
Fuel System Inspection................................6-15
How This Section is Organized....................... 6-3
Introduction.................................................. 6-2
Maintenance Requirements............................. 6-2
Part A - Scheduled Maintenance Services......... 6-4
Part B - Owner Checks and Services.............6-11
Part C - Periodic Maintenance Inspections......6-15
PartD-Recommended Fluids and
Lubricants...............................................6-17
PartE-Maintenance Record........................6-19Maintenance Schedule (cont.)
Scheduled Maintenance................................. 6-5
Steering and Suspension Inspection...............6-15
Transfer Case and Front Axle (Four-Wheel
Drive) Inspection......................................6-16
Using Your................................................... 6-4
Your Vehicle and the Environment................... 6-2
Maintenance When Trailer Towing.....................4-72
Making Turns.................................................4-70
Malfunction Indicator Light................................3-48
Manual Seats................................................... 1-3
Manual Windows............................................2-14
Matching Transmitter(s) to Your Vehicle............... 2-6
Memory Seat.................................................2-58
Message
DIC Warnings and Messages........................3-64
Mexico, Central America and Caribbean Islands/
Countries (Except Puerto Rico and U.S. Virgin
Islands)....................................................... 7-4
Mirrors
Automatic Dimming Rearview with Compass
and Temperature Display
...........................2-43
Automatic Dimming Rearview with OnStar
®,
Compass and Temperature Display
.............2-40
Manual Rearview Mirror
................................2-40
Outside Automatic Dimming Mirror
.................2-47
Outside Camper-Type Mirrors
........................2-46
Outside Convex Mirror
.................................2-48
Outside Curb View Assist Mirrors
...................2-47
Outside Heated Mirrors
................................2-48
10
2003 - Yukon/Yukon XL

Mirrors (cont.)
Outside Manual Mirrors................................2-45
Outside Power Camper-Type.........................2-47
Outside Power Foldaway Mirrors....................2-47
Outside Power Mirrors..................................2-46
Model Reference................................................ vi
MyGMLink.com................................................ 7-3
N
New Vehicle Break-In......................................2-18
Normal Maintenance Replacement Parts...........5-109
O
Odometer......................................................3-39
Off-Road Recovery..........................................4-19
Oil
Engine.......................................................5-16
Pressure Gage............................................3-51
OIL PRESSURE LOW .....................................3-65
Older Children, Restraints................................1-44
Online Owner Center........................................ 7-3
OnStar
®Personal Calling.................................2-49
OnStar®Services............................................2-49
OnStar®Steering Wheel Controls......................2-50
OnStar®System.............................................2-48
OnStar®Virtual Advisor....................................2-49
Operating Your All-Wheel-Drive Vehicle Off
Paved Roads..............................................4-22Other Warning Devices...................................... 3-7
Outlet Adjustment...................................3-25, 3-31
Outside
Automatic Dimming Mirror.............................2-47
Camper-Type Mirrors....................................2-46
Convex Mirror.............................................2-48
Curb View Assist Mirrors..............................2-47
Heated Mirrors............................................2-48
Manual Mirrors............................................2-45
Power Foldaway Mirrors...............................2-47
Power Mirrors.............................................2-46
Outside Power Camper-Type Mirror...................2-47
Overheated Engine Protection Operating Mode
(V8 Engines Only).......................................5-29
Owners, Canadian............................................... ii
Owner’s Information........................................7-11
P
Panel Doors...................................................2-13
Park (P)
Shifting Out of............................................2-37
Parking
Brake........................................................2-34
Over Things That Burn.................................2-38
Parking Brake and Automatic Transmission Park
(P) Mechanism Check..................................6-14
Parking on Hills..............................................4-71
Park(P)
Shifting Into................................................2-35
11
2003 - Yukon/Yukon XL

Rear Axle......................................................5-50
Locking......................................................4-12
Rear Door Security Locks................................2-11
Rear Safety Belt Comfort Guides......................1-41
Rear Seat Audio Controls...............................3-121
Rear Seat Audio (RSA)..................................3-120
Rear Seat Entertainment System.....................3-111
Rear Seat Operation......................................... 1-8
Rear Seat Outside Passenger Positions.............1-38
Rear Seat Passengers, Safety Belts..................1-38
Rear Storage Area..........................................2-56
Rear Window Defogger............................3-24, 3-31
Rearview Mirror, Automatic Dimming with
Compass and Temperature Display................2-43
Rearview Mirror, Automatic Dimming with
OnStar
®, Compass and Temperature Display . . . 2-40
Rearview Mirrors.............................................2-40
Reclining Seatbacks.......................................... 1-6
Reclining the Seatbacks...................................1-20
Recreational Vehicle Towing.............................4-55
REDUCED ENGINE POWER...........................3-65
Remote Alarm.................................................. 2-5
Remote Control.............................................3-114
Remote Keyless Entry System............................ 2-4
Remote Keyless Entry System, Operation............ 2-5
Removing the 50/50 Split Bench Seat
................1-13
Removing the Bench Seat
................................1-18
Removing the Flat Tire and Installing the
Spare Tire
..................................................5-74
Removing the Spare Tire and Tools
...................5-70Replacement Bulbs
.........................................5-59
Replacing Brake System Parts
..........................5-43
Replacing Restraint System Parts After a Crash
.....1-87
Replacing the 50/50 Split Bench Seat
................1-14
Replacing the Bench Seat
................................1-19
Reporting Safety Defects
Canadian Government
..................................7-10
General Motors
...........................................7-10
United States Government
.............................. 7-9
Reprogramming a Single HomeLink
®Button
.......2-53
Resetting Defaults
...........................................2-54
Restraint System Check
...................................6-12
Checking Your Restraint Systems
...................1-86
Replacing Restraint System Parts After a
Crash
.....................................................1-87
Restraint Systems
Checking
....................................................1-86
Replacing Parts
...........................................1-87
Resynchronization
............................................. 2-7
Retained Accessory Power (RAP)
......................2-19
RFA # BATTERY LOW
....................................3-69
Right Front Passenger Position, Safety Belts
......1-36
RIGHT REAR DOOR AJAR
..............................3-69
Roadside
Assistance Program
....................................... 7-5
Rocking Your Vehicle To Get It Out
...................4-52
Running Your Engine While You Are Parked
.......2-39
13
2003 - Yukon/Yukon XL

S
Safety Belt
Reminder Light............................................3-39
Safety Belts
Care of ......................................................5-91
Center Passenger Position............................1-36
Driver Position............................................1-28
How to Wear Safety Belts Properly................1-27
Questions and Answers About Safety Belts.....1-27
Rear Safety Belt Comfort Guides for Children
and Small Adults......................................1-41
Rear Seat Passengers.................................1-38
Right Front Passenger Position......................1-36
Safety Belt Extender....................................1-43
Safety Belt Use During Pregnancy.................1-35
Safety Belts Are for Everyone.......................1-22
Safety Chains.................................................4-67
Safety Warnings and Symbols.............................. iii
Scanning the Terrain.......................................4-27
Scheduled Maintenance..................................... 6-5
Seat
Head Restraints
............................................ 1-8
Seats
50/50 Split Bench Seat
.................................1-11
60/40 Split Bench Seat
.................................. 1-9
Bench Seat
................................................1-15
Bucket Seats, Rear
......................................1-20
Heated Seats
............................................... 1-5
Manual
........................................................ 1-3Seats (cont.)
Memory .....................................................2-58
Power Lumbar .............................................. 1-5
Power Seats................................................. 1-4
Rear Seat Operation...................................... 1-8
Reclining Seatbacks...................................... 1-6
Second Row..................................................1-64
Secondary Latch System.................................5-84
Securing a Child Restraint
Center Front Seat Position............................1-66
Center Rear Seat Position............................1-64
Designed for the LATCH System...................1-61
Rear Outside Seat Position...........................1-61
Right Front Seat Position..............................1-66
Select Button.................................................3-64
Self-Adjusting.................................................4-59
Service........................................................... 5-3
Adding Equipment to the Outside of Your
Vehicle..................................................... 5-4
Doing Your Own Work................................... 5-3
Engine Soon Light.......................................3-48
Publications Ordering Information...................7-10
SERVICE 4 WHEEL STEER.............................3-67
SERVICE 4WD ...............................................3-67
SERVICE AIRBAG ..........................................3-65
SERVICE BRAKE BOOSTER...........................3-66
SERVICE BRAKE SYSTEM
.............................3-65
Service Bulletins
.............................................7-10
Service Manuals
.............................................7-10
SERVICE RIDE CONTROL
..............................3-67
14
2003 - Yukon/Yukon XL

SERVICE STABILITY......................................3-70
Setting Preset PTYs (RDS Only).....3-79, 3-89, 3-102
Setting Preset Stations..........3-73, 3-77, 3-87, 3-100
Setting the Time
Radios with Radio Data Systems (RDS).........3-72
Radios without Radio Data Systems (RDS).....3-71
Setting the Tone
(Bass/Treble)....................3-73, 3-78, 3-87, 3-100
Sheet Metal Damage.......................................5-94
Shifting Into Park (P).......................................2-35
Shifting Out of Park (P)...................................2-37
Side Impact Air Bags.......................................1-77
Skidding........................................................4-21
Some Other Rainy Weather Tips.......................4-41
Spare Tire.....................................................5-88
Spare Tire Check............................................6-12
Special Fabric Cleaning Problems.....................5-90
Specifications, Capacities...............................5-106
Speedometer..................................................3-39
Split Bench Seat (50/50)..................................1-11
Split Bench Seat (60/40).................................... 1-9
Stabilitrak
®, All-Wheel Drive..............................2-31
Stabilitrak®System.........................................4-12
STABILITY SYS ACTIVE..................................3-70
STABILITY SYS DISABLED..............................3-70
Stalling on an Incline.......................................4-34
Starter Switch Check
.......................................6-13
Starting Your Engine
.......................................2-20
Steering
........................................................4-14Steering and Suspension Inspection..................6-15
Steering in Emergencies..................................4-15
Steering Tips..................................................4-14
Steering Wheel Controls, Audio.......................3-122
Step-Bumper Pad...........................................4-74
Stereo RCA Jacks.........................................3-117
Storage Areas
Center Console Storage Area........................2-54
Convenience Net.........................................2-56
Cupholder(s)...............................................2-54
Front Storage Area......................................2-54
Glove Box..................................................2-54
Luggage Carrier..........................................2-55
Rear Storage Area.......................................2-56
Storing a Flat or Spare Tire, Jack and Tools.......5-80
Stuck in Sand, Mud, Ice or Snow......................4-52
Sun Visors.....................................................2-15
Sunroof.........................................................2-57
Supplemental Brake Assist System...................... 4-9
T
Tachometer....................................................3-39
Taillamps.......................................................5-57
Temperature and Compass Display....................2-40
Temperature Display........................................2-43
Testing the Alarm............................................2-17
Theft-Deterrent, Radio....................................3-122
Theft-Deterrent Systems...................................2-16
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2003 - Yukon/Yukon XL

Theft-Deterrent Systems (cont.)
Content Theft-Deterrent................................2-16
Passlock
®...................................................2-18
Third Row......................................................1-64
Throttle, Adjustable..........................................2-21
Tilt Wheel........................................................ 3-7
Tilting the 50/50 Split Bench Seat.....................1-12
Tilting the Bench Seat.....................................1-16
Tire Inflation Check.........................................6-11
Tires.............................................................5-60
Buying New Tires........................................5-64
Chains.......................................................5-68
Changing a Flat Tire....................................5-69
If a Tire Goes Flat.......................................5-69
Inflation -- Tire Pressure...............................5-61
Inspection and Rotation................................5-61
Spare Tire..................................................5-88
Uniform Tire Quality Grading.........................5-65
Wheel Alignment and Tire Balance.................5-66
Wheel Replacement.....................................5-66
When It Is Time for New Tires......................5-63
To Use the Engine Coolant Heater....................2-22
Top Strap......................................................1-54
Top Strap Anchor Location...............................1-55
Torque Lock...................................................2-37
Total Weight on Your Vehicle’s Tires..................4-66
Tow/Haul Mode ...............................................2-25Tow/Haul Mode Light.......................................3-52
Towing
Recreational Vehicle.....................................4-55
Towing a Trailer..........................................4-61
Your Vehicle...............................................4-54
Traction
Assist System (TAS)....................................4-10
Off Light.....................................................3-45
Stabilitrak
®System......................................4-12
TRACTION ACTIVE........................................3-68
Traction Control Operation................................4-13
Trailer
Recommendations
.......................................4-60
Trailer Brakes
.................................................4-68
Trailer Wiring Harness
.....................................4-72
Transfer Case
........................................5-49, 5-51
Transfer Case and Front Axle (Four-Wheel Drive)
Inspection
...................................................6-16
Transmission
Fluid, Automatic
...........................................5-23
Temperature Gage
.......................................3-46
TRANSMISSION HOT
.....................................3-68
Transmission Operation, Automatic
....................2-22
Transmission, Transaxle, Transfer Case Unit
Repair Manual
............................................7-10
Transportation Options
...................................... 7-8
16
2003 - Yukon/Yukon XL

Traveling to Remote Areas...............................4-26
Trip Information Button....................................3-54
Trip Odometer................................................3-39
Turn and Lane-Change Signals.......................... 3-8
TURN SIGNAL ON .........................................3-67
Turn Signal/Multifunction Lever........................... 3-8
Turn Signals When Towing a Trailer..................4-70
U
Underbody Flushing Service.............................6-14
Underhood Fuse Block...................................5-101
Understanding Radio Reception.......................3-123
Uniform Tire Quality Grading............................5-65
United States................................................... 7-4
Used Replacement Wheels..............................5-67
Using Cleaner on Fabric..................................5-89
Using HomeLink
®...........................................2-53
Using Song List Mode...................................3-109
Using the Recovery Hooks...............................4-53
V
Vehicle
Control........................................................ 4-6
Damage Warnings........................................... iv
Loading......................................................4-58
Symbols......................................................... iv
Vehicle Identification
Number (VIN).............................................5-96Vehicle Identification (cont.)
Service Parts Identification Label...................5-97
Vehicle Personalization
Memory Seat..............................................2-58
Vehicle Storage..............................................5-44
Video Screen................................................3-113
Visors...........................................................2-15
Voltmeter Gage..............................................3-43
W
Warning Lights, Gages and Indicators................3-37
Warnings
DIC Warnings and Messages........................3-64
Hazard Warning Flashers............................... 3-6
Other Warning Devices.................................. 3-7
Safety and Symbols......................................... iii
Vehicle Damage.............................................. iv
Washing Your Vehicle......................................5-92
Weatherstrip Lubrication...................................6-12
Weight of the Trailer........................................4-63
Weight of the Trailer Tongue.............................4-66
What Kind of Engine Oil to Use........................5-18
What to Add ..................................................5-41
What to Do with Used Oil ................................5-20
What to Use ..................................5-26, 5-39, 5-51
Wheels
Alignment and Tire Balance..........................5-66
Replacement...............................................5-66
When to Add Engine Oil..................................5-17
17
2003 - Yukon/Yukon XL

When to Change Engine Oil (GM Oil Life
System).....................................................5-19
When to Check..............................................5-61
When to Check and Change............................5-23
When to Check Lubricant.................................5-50
When to Check Power Steering Fluid................5-38
When to Inspect.............................................5-21
When You Are Ready to Leave After Parking on
a Hill .........................................................4-72
Where to Put the Restraint...............................1-53
Why Safety Belts Work....................................1-24
Windows.......................................................2-14
Manual......................................................2-14
Power ........................................................2-15
Windshield Washer.........................................3-10
Fluid..........................................................5-39
Windshield Washer Fluid Level Check................6-11
Windshield Wiper
Blade Replacement......................................5-59
Fuses........................................................5-97Windshield Wipers............................................ 3-9
Winter Driving................................................4-47
Wiper Blade Check.........................................6-12
X
XM™Radio Satellite Service
(USA Only).................................3-75, 3-85, 3-98
XM™Satellite Radio Antenna System..............3-126
XM™Satellite Radio Service
(United States Only)...................................3-123
Y
Your Vehicle and the Environment....................... 6-2
18
2003 - Yukon/Yukon XL