2003 GMC SONOMA maintenance schedule

Locks
Door ........................................................... 2-8
Leaving Your Vehicle....................................2-11
Lockout Protection.......................................2-11
Power Door .................................................. 2-9
Programmable Automatic Door Locks............... 2-9
Rear Door Security Locks.............................2-11
Long Trip/Highway Definition.............................. 6-6
Long Trip/Highway Intervals............................... 6-6
Long Trip/Highway Scheduled Maintenance........6-18
Loss of Control...............................................4-12
Low Fuel Warning Light...................................3-35
Luggage Carrier..............................................2-50
Lumbar
Manual Controls............................................ 1-4
Power Controls............................................. 1-5
M
Maintenance, Normal Replacement Parts............5-96
Maintenance Schedule
At Each Fuel Fill.........................................6-26
At Least Four Times a Year..........................6-27
At Least Once a Month................................6-26
At Least Once a Year..................................6-28
At Least Twice a Year..................................6-26Maintenance Schedule (cont.)
Brake System Inspection..............................6-32
Engine Cooling System Inspection.................6-31
Exhaust System Inspection...........................6-31
Fuel System Inspection................................6-31
How This Section is Organized....................... 6-3
Introduction.................................................. 6-2
Long Trip/Highway Scheduled Maintenance.....6-18
Maintenance Requirements............................. 6-2
Part A - Scheduled Maintenance Services......... 6-4
Part B - Owner Checks and Services.............6-26
Part C - Periodic Maintenance Inspections......6-31
PartD-Recommended Fluids and
Lubricants...............................................6-33
PartE-Maintenance Record........................6-35
Selecting the Right Schedule
.......................... 6-5
Short Trip/City Scheduled Maintenance
............. 6-7
Steering, Suspension and Front Drive
Axle Boot and Seal Inspection
...................6-31
Throttle System Inspection
............................6-32
Transfer Case and Front Axle
(Four-Wheel Drive) Inspection
....................6-32
Using Your
................................................... 6-4
Your Vehicle and the Environment
................... 6-2
Maintenance When Trailer Towing
.....................4-60
Making Turns
.................................................4-58
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2003 - Sonoma OM

Parking
Brake........................................................2-32
Over Things That Burn.................................2-36
Parking Brake and Automatic Transmission
Park (P) Mechanism Check...........................6-30
Parking on Hills..............................................4-59
Parking Your Vehicle.......................................2-36
Part A - Scheduled Maintenance Services............ 6-4
Part B - Owner Checks and Services................6-26
Part C - Periodic Maintenance Inspections..........6-31
PartD-Recommended Fluids and Lubricants....6-33
PartE-Maintenance Record...........................6-35
Passing.................................................4-10, 4-58
Passlock
®......................................................2-19
Payload.........................................................4-48
Pickup Conversion to Chassis Cab....................4-50
Plan Ahead When Possible................................ 7-7
Playing a Cassette Tape..................................3-52
Playing a Compact Disc..................3-45, 3-54, 3-62
Playing a Specific Loaded
Compact Disc
.............................................3-63
Playing the Radio
...................3-37, 3-40, 3-47, 3-56
Power
Accessory Outlets
........................................3-15
Door Locks
.................................................. 2-9
Electrical System
.........................................5-88
Lumbar Controls
........................................... 1-5
Seat
............................................................ 1-4Power (cont.)
Steering Fluid.............................................5-37
Windows....................................................2-15
Power Steering................................................ 4-8
Programmable Automatic Door Locks.................. 2-9
Q
Questions and Answers About Safety Belts.........1-15
R
Radiator Pressure Cap....................................5-27
Radio Messages.............................3-39, 3-45, 3-52
Radios..........................................................3-36
AM-FM Radio.............................................3-37
Care of Your Cassette Tape Player................3-68
Care of Your CD Player...............................3-69
Care of Your CDs ........................................3-69
Radio with Cassette and CD.........................3-47
Radio with CD............................................3-40
Radio with Six-Disc CD................................3-56
Setting the Time for Radios with Radio
Data Systems (RDS)................................3-37
Setting the Time for Radios without Radio
Data Systems (RDS)................................3-36
Theft-Deterrent............................................3-67
Understanding Reception..............................3-67
RDS Messages..............................3-43, 3-51, 3-61
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2003 - Sonoma OM

Seat
Head Restraints............................................ 1-7
Seatback Latches............................................. 1-8
Seats
Heated Seats............................................... 1-5
Jump Seat..................................................1-10
Manual........................................................ 1-3
Manual Lumbar............................................. 1-4
Memory .....................................................2-54
Power Lumbar .............................................. 1-5
Power Seats
................................................. 1-4
Rear Seat Operation
...................................... 1-9
Reclining Seatbacks
...................................... 1-6
Seatback Latches
.......................................... 1-8
Securing a Child Restraint
Center Seat Position
....................................1-49
Designed for the LATCH System
...................1-46
Rear Outside Seat Position
...........................1-46
Right Front Seat Position
..............................1-49
Security Light
.................................................3-33
Selecting the Right Schedule, Maintenance
.......... 6-5
Service
........................................................... 5-3
Adding Equipment to the Outside of
Your Vehicle
.............................................. 5-4
Doing Your Own Work
................................... 5-3
Engine Soon Light
.......................................3-29
Four-Wheel-Drive Warning Light
.....................3-34
Publications Ordering Information
..................... 7-9Service Bulletins.............................................7-10
Service Engine Soon Light in the United States
or Check Engine Light in Canada..................3-29
Service Manuals............................................... 7-9
Servicing Your Air Bag-Equipped
Vehicle.......................................................1-63
Setting Preset PTYs........................................3-61
Setting Preset Stations............3-38, 3-41, 3-48, 3-58
Setting the Time
Radios with Radio Data
Systems (RDS)........................................3-37
Radios without Radio Data
Systems (RDS)........................................3-36
Setting the Tone
(Bass/Treble)......................3-38, 3-41, 3-49, 3-58
Sheet Metal Damage.......................................5-85
Shift Speeds..................................................2-29
Shifting Into Park (P).......................................2-33
Shifting Out of Park (P)...................................2-35
Short Trip/City Definition.................................... 6-5
Short Trip/City Intervals..................................... 6-5
Short Trip/City Scheduled Maintenance................ 6-7
Skidding........................................................4-12
Sliding Rear Windows.....................................2-16
Some Other Rainy Weather Tips.......................4-30
Spare Tire Check............................................6-27
Special Fabric Cleaning Problems.....................5-80
Specifications, Capacities.................................5-94
Speedometer..................................................3-23
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2003 - Sonoma OM