2003 GMC YUKON brake light

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
9
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
10
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

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