2003 GMC YUKON lock

H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-8
Headlamp High/Low-Beam Changer.................... 3-9
Headlamps....................................................5-53
Bulb Replacement.......................................5-52
Front Turn Signal, Sidemarker and Daytime
Running Lamps........................................5-54
Halogen Bulbs............................................5-53
Roof Marker Lamps.....................................5-55
Side Identification Marker Lamps...................5-55
Headphones.................................................3-117
Heated Seats................................................... 1-5
Heating.........................................................3-30
Highway Hypnosis...........................................4-44
Hill and Mountain Roads..................................4-45
Hitches..........................................................4-67
HomeLink Transmitter, Programming..................2-51
HomeLink
®Transmitter....................................2-50
Hood
Checking Things Under................................5-10
Release.....................................................5-11
Horn ............................................................... 3-7
How to Add Coolant to the Coolant Surge Tank......5-34
How to Add Fluid
............................................5-25
How to Check
........................................5-23, 5-61
How to Check Lubricant
...................................5-50How to Check Power Steering Fluid..................5-39
How to Inspect...............................................5-21
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-27
Hydroplaning..................................................4-40
I
If No Steam Is Coming From Your Engine..........5-31
If Steam Is Coming From Your Engine...............5-30
If the Light is Flashing.....................................3-49
If the Light Is On Steady.................................3-49
If You Are Stuck in Sand, Mud, Ice or Snow.......4-52
If You Do Decide To Pull A Trailer.....................4-62
If You’re Caught in a Blizzard...........................4-50
Ignition Positions.............................................2-19
Ignition Transmission Lock Check......................6-14
Infants and Young Children, Restraints...............1-46
Inflation -- Tire Pressure..................................5-61
Inspection
Brake System.............................................6-16
Engine Cooling System................................6-16
Exhaust System..........................................6-15
Fuel System...............................................6-15
Part C - Periodic Maintenance.......................6-15
Steering and Suspension..............................6-15
Transfer Case and Front Axle
(Four-Wheel Drive)...................................6-16
8
2003 - Yukon/Yukon XL

Instrument Panel
Cluster.......................................................3-38
Overview..................................................... 3-4
Instrument Panel Brightness.............................3-18
Instrument Panel Fuse Block............................5-98
Interior Lamps................................................3-18
J
Jump Starting.................................................5-44
K
Key Lock Cylinders Service..............................6-12
Keyless Entry System....................................... 2-4
Keys............................................................... 2-3
L
Lamps
Exterior......................................................3-14
Interior.......................................................3-18
Lamps On Reminder.......................................3-16
Lap Belt........................................................1-37
Lap-Shoulder Belt...........................................1-28
LATCH System
Child Restraints...........................................1-58
Securing a Child Restraint Designed for the
LATCH System........................................1-61Leaving Your Vehicle With the Engine Running . . . 2-36
LEFT REAR DOOR AJAR................................3-69
Level Control..................................................4-59
Liftgate..........................................................2-12
Liftgate Glass and Liftgate................................2-13
Light
Air Bag Readiness.......................................3-40
Anti-Lock Brake System Warning...................3-44
Battery Warning..........................................3-42
Brake System Warning.................................3-43
Cruise Control.............................................3-52
Low Fuel Warning.......................................3-53
Malfunction Indicator....................................3-48
Passenger Air Bag Status Indicator................3-40
Safety Belt Reminder...................................3-39
Tow/Haul Mode...........................................3-52
Traction Off................................................3-45
Lighted Visor Vanity Mirror...............................2-16
Listening to a DVD................................3-97, 3-110
Loading Your Vehicle.......................................4-58
Loading Your Vehicle for Off-Road Driving..........4-25
Locking Rear Axle...........................................4-12
Lockout Protection..........................................2-12
Lock-Out Switch
.............................................2-15
Locks
Delayed Locking
........................................... 2-9
Door
........................................................... 2-7
Lockout Protection
.......................................2-12
Power Door
.................................................. 2-8
Programmable Automatic Door Locks
............... 2-9
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2003 - Yukon/Yukon XL

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
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2003 - Yukon/Yukon XL

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...........................6-19
Passenger Air Bag Indicator.....................2-43, 2-45
Passenger Air Bag Status Indicator...................3-40
PASSENGER DOOR AJAR..............................3-69
Passenger Sensing System..............................1-81
Passing.................................................4-20, 4-69
Passlock
®......................................................2-18
Personalization Button.....................................3-57
Plan Ahead When Possible................................ 7-7
Playing a Cassette Tape..................................3-93
Playing a Compact Disc.................3-83, 3-95, 3-106
Playing a Specific Loaded
Compact Disc............................................3-107
Playing the Radio...................3-72, 3-76, 3-86, 3-99
Power
Accessory Outlets........................................3-20
Door Locks.................................................. 2-8
Electrical System.........................................5-97
Lumbar Controls........................................... 1-5
Seat ............................................................ 1-4
Steering Fluid.............................................5-38
Windows
....................................................2-15
Power Steering
...............................................4-14
Power Winches
..............................................4-74
Programmable Automatic Door Locks
.................. 2-9
Programming the HomeLink Transmitter
.............2-51
Q
QUADRASTEER™..........................................4-16
Questions and Answers About Safety Belts.........1-27
R
Radio Data System (RDS)...............3-75, 3-85, 3-98
Radio Messages.............................3-74, 3-80, 3-90
Radios..........................................................3-71
AM-FM Radio.............................................3-72
Care of Your Cassette Tape Player...............3-124
Care of Your CD and DVD Player................3-125
Care of Your CDs and DVDs .......................3-125
Radio with Cassette and CD.........................3-85
Radio with CD............................................3-75
Radio with Six-Disc CD................................3-98
Rear Seat Audio........................................3-120
Setting the Time for Radios with Radio Data
Systems (RDS)........................................3-72
Setting the Time for Radios without Radio
Data Systems (RDS)................................3-71
Theft-Deterrent..........................................3-122
Understanding Reception............................3-123
RDS Messages.............................3-79, 3-89, 3-103
REAR ACCESS OPEN ....................................3-67
Rear Air Conditioning and Heating System.........3-33
Rear Air Conditioning and Heating System and
Electronic Climate Controls...........................3-35
Rear Air Conditioning System...........................3-32
12
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

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