check engine CADILLAC SEVILLE 2003 5.G Workshop Manual

Ignition Transaxle Lock Check
While parked, and with the parking brake set, try to turn
the ignition key to OFF in each shift lever position.
·The key should turn to OFF only when the shift lever
is in PARK (P).
·The key should come out only in OFF.
Parking Brake and Automatic Transaxle
Park (P) Mechanism Check
{CAUTION:
When you are doing this check, your vehicle
could begin to move. You or others could be
injured and property could be damaged. Make
sure there is room in front of your vehicle in
case it begins to roll. Be ready to apply the
regular brake at once should the vehicle begin
to move.Park on a fairly steep hill, with the vehicle facing
downhill. Keeping your foot on the regular brake, set the
parking brake.
·To check the parking brake's holding ability: With
the engine running and transaxle in NEUTRAL (N),
slowly remove foot pressure from the regular
brake pedal. Do this until the vehicle is held by the
parking brake only.
·To check the PARK (P) mechanism's holding ability:
With the engine running, shift to PARK (P). Then
release the parking brake followed by the regular
brake.
Underbody Flushing Service
At least every spring, use plain water to ¯ush any
corrosive materials from the underbody. Take care to
clean thoroughly any areas where mud and other debris
can collect.
6-12

A
Accessory Power Outlets.................................3-26
Adding Washer Fluid.......................................5-39
Additional Program Information........................... 7-9
Additives, Fuel................................................. 5-6
Add-On Electrical Equipment............................5-92
Adjusting the Speakers (Balance/Fade)......3-81, 3-90
Air Bag System, Supplemental In¯atable
Restraint (SIR)............................................1-44
Air Bag .........................................................3-42
Readiness Light..........................................3-42
Air Cleaner/Filter, Engine.................................5-19
AM .............................................................3-103
Antenna, Diversity Antenna System..................3-106
Antenna, XMŸ Satellite Radio
Antenna System........................................3-106
Anti-lock Brake System (ABS)............................ 4-7
Anti-Lock Brake, System Warning Light..............3-44
Anti-Pinch Feature..........................................2-17
Appearance Care............................................5-83
Care of Safety Belts....................................5-86
Chemical Paint Spotting...............................5-89
Cleaning the Inside of Your Vehicle................5-84
Cleaning the Outside of Your Vehicle..............5-86
Finish Damage............................................5-89
Sheet Metal Damage...................................5-88
Underbody Maintenance...............................5-89Appearance Care (cont.)
Vehicle Care/Appearance Materials................5-90
Weatherstrips..............................................5-86
Ashtrays........................................................3-27
Assist Handles...............................................2-49
Audio System(s).............................................3-78
Audio Steering Wheel Controls....................3-103
Care of Your Cassette Tape Player...............3-104
Care of Your CD Player..............................3-105
Care of Your CDs......................................3-105
Console-Mounted CD Changer......................3-99
Diversity Antenna System............................3-106
Navigation/Radio System..............................3-98
Radio Personalization with Home and
Away Feature........................................3-102
Radio with Cassette and CD.................3-79, 3-87
Setting the Time for Radios with Radio
Data Systems (RDS)................................3-78
Setting the Time for Radios without
Radio Data Systems (RDS).......................3-78
Theft-Deterrent Feature...............................3-102
Understanding Radio Reception...................3-103
XMŸ Satellite Radio Antenna System...........3-106
Auto Exit Seat................................................3-66
Auto Exit Steering Wheel.................................3-67
Automatic Level Control...................................4-34
Automatic Transaxle Check..............................6-10
Automatic Transaxle Shift Lock Control
System Check.............................................6-11
1

Charging System Light....................................3-43
Checking Coolant............................................5-27
Checking Engine Oil........................................5-14
Checking Things Under the Hood......................5-10
Checking Your Restraint Systems......................1-52
Check...........................................................3-47
Engine Light...............................................3-47
Chemical Paint Spotting...................................5-89
Child Restraints..............................................1-30
Child Restraint Systems...............................1-30
Infants and Young Children...........................1-26
Lower Anchorages and Top Tethers for
Children (LATCH System)..........................1-36
Older Children.............................................1-24
Securing a Child Restraint Designed for
the LATCH System...................................1-38
Securing a Child Restraint in a Rear
Seat Position...........................................1-38
Securing a Child Restraint in the Right
Front Seat Position...................................1-41
Top Strap Anchor Location............................1-35
Top Strap...................................................1-33
Where to Put the Restraint...........................1-33
Cigarette Lighter.............................................3-27
Cleaning Aluminum or Chrome-Plated Wheels.....5-88
Cleaning Exterior Lamps/Lenses.......................5-87
Cleaning Fabric/Carpet....................................5-84
Cleaning Glass Surfaces..................................5-85
Cleaning Interior Plastic Components.................5-85
Cleaning Leather............................................5-85Cleaning the Mirror.................................2-37, 2-40
Cleaning the Speaker Covers...........................5-85
Cleaning the Top of the Instrument Panel...........5-85
Cleaning Tires................................................5-88
Cleaning Vinyl................................................5-84
Cleaning Windshield and Wiper Blades..............5-87
Cleaning Wood Panels....................................5-85
Cleaning........................................................5-84
Inside of Your Vehicle..................................5-84
Outside of Your Vehicle................................5-86
Underbody Maintenance...............................5-89
Weatherstrips..............................................5-86
Climate Control System...................................3-35
Air Filter, Passenger Compartment.................3-35
Climate Controls Personalization....................3-36
Dual..........................................................3-28
Outlet Adjustment........................................3-33
Rear..........................................................3-34
Steering Wheel Controls...............................3-35
Comfort Controls, DIC Personalization................3-63
Compact Disc Changer Errors.........................3-101
Compact Disc Messages..........................3-86, 3-98
Compact Spare Tire........................................5-83
Compass Calibration.......................................2-38
Compass Operation.........................................2-38
Compass Variance..........................................2-39
Control of a Vehicle.......................................... 4-6
Convenience Net............................................2-49
Coolant.........................................................3-46
Engine Temperature Gage............................3-46
3

Driving with a Trailer.......................................4-39
Driving..........................................................4-17
At Night.....................................................4-17
City...........................................................4-21
Defensive..................................................... 4-2
Drunken....................................................... 4-3
Freeway.....................................................4-22
Hill and Mountain Roads..............................4-24
In Rain and on Wet Roads...........................4-18
Winter........................................................4-26
Dual Climate Control System............................3-28
E
Electrical System............................................5-92
Add-On Equipment......................................5-92
Fuses and Circuit Breakers...........................5-93
Headlamp Wiring.........................................5-92
Power Windows and Other Power Options......5-92
Removing the Rear Seat Cushion..................5-96
Windshield Wiper Fuses...............................5-92
Emergency Trunk Release Handle.....................2-14
Emissions Inspection and Maintenance
Programs...................................................3-49
Engine Coolant Level Check.............................. 6-9
Engine Cooling When Trailer Towing..................4-42
Engine Oil Additives........................................5-17Engine Oil Level Check..................................... 6-9
Engine Oil Scheduled Maintenance..................... 6-5
Engine Speed Limiter......................................3-41
Engine..........................................................5-19
Air Cleaner/Filter.........................................5-19
Battery.......................................................5-43
Check and Service Engine Soon Light............3-47
Compartment Overview................................5-12
Coolant Heater............................................2-26
Coolant Temperature Gage...........................3-46
Coolant Temperature Warning Light................3-46
Coolant......................................................5-25
Cooling System Inspection............................6-14
Exhaust.....................................................2-35
Oil .............................................................5-13
Overheating................................................5-28
Starting......................................................2-25
English Metric Display.....................................3-40
Entering Feature Programming..........................3-64
Entry Lighting.................................................3-22
Erasing HomeLink
žButtons..............................2-47
Exiting Feature Programming............................3-76
Express-Down Window....................................2-16
Express-Up Window........................................2-16
Extender, Safety Belt.......................................1-23
Exterior Lamps...............................................3-16
Exterior Lighting Battery Saver..........................3-20
Exterior Lights at Unlock..................................3-70
5

Headlamp Wiring............................................5-92
Headlamp......................................................5-51
Aiming.......................................................5-51
Horizontal Aiming.........................................5-53
Vertical Aiming............................................5-53
Headlamps....................................................5-56
Bulb Replacement.......................................5-55
Front Turn Signal Lamps..............................5-59
Halogen Bulbs............................................5-56
High Intensity Discharge (HID) Lighting...........5-55
Heated Seats................................................... 1-3
Highway Hypnosis...........................................4-24
Hill and Mountain Roads..................................4-24
Hitches..........................................................4-38
HomeLink Transmitter, Programming..................2-45
HomeLink
žTransmitter....................................2-44
Hood............................................................5-10
Checking Things Under................................5-10
Release.....................................................5-11
Horn Sounds at Lock......................................3-69
Horn............................................................... 3-7
How the System Works...................................3-25
How to Add Coolant to the Coolant
Surge Tank.................................................5-33
How to Add Fluid............................................5-24
How to Check Power Steering Fluid..................5-38
How to Check........................................5-22, 5-65
How to Reset the Transaxle Fluid
Change Indicator.........................................5-24How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-11
Hydroplaning..................................................4-20
I
If No Steam Is Coming From Your Engine..........5-30
If Steam Is Coming From Your Engine...............5-29
If the Light Is Flashing.....................................3-48
If the Light Is On Steady.................................3-48
If You Are Stuck in Sand, Mud, Ice or Snow.......4-30
If You Do Decide To Pull A Trailer.....................4-36
If You're Caught in a Blizzard...........................4-28
Ignition Positions.............................................2-24
Ignition Transaxle Lock Check..........................6-12
Inadvertent Power Battery Saver.......................3-23
Infants and Young Children, Restraints...............1-26
In¯ation -- Tire Pressure..................................5-64
Inspection......................................................6-14
Brake System.............................................6-14
Engine Cooling System................................6-14
Exhaust System..........................................6-13
Fuel System...............................................6-13
Part C - Periodic Maintenance.......................6-13
Steering, Suspension and Front Drive Axle
Boot and Seal.........................................6-13
Throttle System...........................................6-14
Instrument Panel Brightness.............................3-21
7

Locks (cont.)
Leaving Your Vehicle....................................2-11
Lockout Protection.......................................2-11
Power Door................................................2-10
Programmable Automatic Door Locks.............2-10
Rear Door Security Locks.............................2-11
Loss of Control...............................................4-16
Lumbar........................................................... 1-2
Power Controls............................................. 1-2
M
Magnetic Ride Control.....................................4-11
Magnetic Speed Variable Assist Steering............4-11
Maintenance, Normal Replacement Parts..........5-101
Maintenance Schedule...................................... 6-9
At Each Fuel Fill........................................... 6-9
At Least Once a Month.................................. 6-9
At Least Once a Year..................................6-10
At Least Twice a Year..................................6-10
Brake System Inspection..............................6-14
Engine Cooling System Inspection.................6-14
Exhaust System Inspection...........................6-13
Fuel System Inspection................................6-13
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............... 6-9Maintenance Schedule (cont.)
Part C - Periodic MaintenanceInspections......6-13
Part D - Recommended Fluids and
Lubricants...............................................6-15
Part E - Maintenance Record........................6-16
Scheduled Maintenance................................. 6-4
Steering, Suspension and Front Drive Axle
Boot and Seal Inspection..........................6-13
Throttle System Inspection............................6-14
Using Your................................................... 6-4
Your Vehicle and the Environment................... 6-2
Maintenance When Trailer Towing.....................4-42
Making Turns.................................................4-40
Malfunction Indicator Light................................3-47
Map Pocket...................................................2-49
Matching Transmitter(s) to Your Vehicle............... 2-7
Memory Mirrors..............................................2-51
Memory Seat.................................................2-51
Memory Steering Wheel Controls......................2-51
Message.......................................................3-56
DIC Warnings and Messages........................3-56
Mexico, Central America and Caribbean Islands/
Countries (Except Puerto Rico and U.S. Virgin
Islands) ± Customer Assistance....................... 7-5
Mirror Operation.....................................2-37, 2-38
Mirror to Curb In Reverse................................3-74
Mirrors..........................................................2-38
Automatic Dimming Rearview with OnStar
ž
and Compass..........................................2-38
Automatic Dimming Rearview with OnStarž.....2-37
9

Mirrors (cont.)
Memory.....................................................2-51
Outside Automatic Dimming Mirror.................2-41
Outside Convex Mirror.................................2-41
Outside Curb View Assist Mirror....................2-41
Outside Heated Mirrors................................2-41
Outside Power Mirrors..................................2-40
MyGMLink.com................................................ 7-3
N
Navigation/Radio System..................................3-98
New Vehicle Break-In......................................2-23
Normal Maintenance Replacement Parts...........5-101
O
Odometer......................................................3-39
Off-Road Recovery..........................................4-14
Oil ................................................................5-13
Engine.......................................................5-13
Life Indicator...............................................3-77
Pressure Light.............................................3-50
Older Children, Restraints................................1-24
Online Owner Center........................................ 7-3
OnStar
žPersonal Calling.................................2-43
OnStaržServices............................................2-42
OnStaržSteering Wheel Controls......................2-43
OnStaržSystem.............................................2-42OnStar
žVirtual Advisor....................................2-43
Other Warning Devices...................................... 3-7
Outlet Adjustment............................................3-33
Outside.........................................................2-41
Automatic Dimming Mirror.............................2-41
Convex Mirror.............................................2-41
Curb View Assist Mirror................................2-41
Heated Mirrors............................................2-41
Power Mirrors.............................................2-40
Overheated Engine Protection
Operating Mode..........................................5-28
Overseas ± Customer Assistance........................ 7-5
Owners, Canadian............................................... ii
Owner's Information........................................7-11
P
Parade Dimming.............................................3-22
Park Aid........................................................3-24
Park (P)........................................................2-32
Shifting Into................................................2-32
Shifting Out of............................................2-34
Parking Brake and Automatic Transaxle Park (P)
Mechanism Check.......................................6-12
Parking on Hills..............................................4-41
Parking.........................................................3-24
Assist........................................................3-24
Brake Indicator Light....................................3-43
10

Radios (cont.)
Setting the Time for Radios without
Radio Data Systems (RDS).......................3-78
Theft-Deterrent..........................................3-102
Understanding Reception............................3-103
RainsenseŸ II Wipers.....................................3-11
RDS Messages..............................................3-91
Reaching Roadside Service............................... 7-7
Reading Lamps..............................................3-22
Rear Ashtray..................................................3-27
Rear Climate Control System............................3-34
Rear Door Security Locks................................2-11
Rear Seat Passenger Positions.........................1-19
Rear Seat Passengers, Safety Belts..................1-19
Rear Seat Pass-Through Door..........................2-14
Rear Underseat Fuse Block..............................5-97
Rear Window Defogger....................................3-32
Rearview Mirror, Automatic Dimming
with OnStar
žand Compass..........................2-38
Rearview Mirror, Automatic Dimming
with OnStar
ž..............................................2-37
Reclining Seatbacks.......................................... 1-3
Recreational Vehicle Towing.............................4-31
Remote Keyless Entry System, Operation............ 2-6
Remote Keyless Entry System............................ 2-5
Remote Recall Memory...................................3-65
Removing the Flat Tire and Installing the
Spare Tire..................................................5-76
Removing the Spare Tire and Tools...................5-75
Replacement Bulbs.........................................5-61Replacing Brake System Parts..........................5-43
Replacing Restraint System Parts After a Crash.....1-53
Reporting Safety Defects.................................7-10
Canadian Government..................................7-10
General Motors...........................................7-10
United States Government.............................. 7-9
Reprogramming a Single HomeLink
žButton.......2-48
Resetting Defaults...........................................2-48
Restraint System Check...................................6-10
Checking Your Restraint Systems...................1-52
Replacing Restraint System Parts
After a Crash..........................................1-53
Restraint Systems...........................................1-52
Checking....................................................1-52
Replacing Parts...........................................1-53
Retained Accessory Power (RAP)......................2-25
Right Front Passenger Position, Safety Belts......1-19
Roadside Service Availability.............................. 7-7
Roadside Service for the Hearing or Speech
Impaired...................................................... 7-7
Roadside......................................................... 7-6
Service........................................................ 7-6
Rocking Your Vehicle To Get It Out...................4-30
Running Your Engine While You Are Parked.......2-36
S
Safety Belt.....................................................1-23
Pretensioners..............................................1-23
12

Safety Belt (cont.)
Reminder Light............................................3-41
Safety Belts...................................................5-86
Care of......................................................5-86
Driver Position............................................1-12
How to Wear Safety Belts Properly................1-11
Questions and Answers About Safety Belts.....1-10
Rear Seat Passengers.................................1-19
Right Front Passenger Position......................1-19
Safety Belt Extender....................................1-23
Safety Belt Use During Pregnancy.................1-18
Safety Belts Are for Everyone......................... 1-6
Safety Chains.................................................4-38
Safety Warnings and Symbols.............................. iii
Scheduled Maintenance..................................... 6-4
Seat............................................................... 1-5
Head Restraints............................................ 1-5
Seats.............................................................. 1-3
Heated Seats............................................... 1-3
Memory.....................................................2-51
Power Lumbar.............................................. 1-2
Power Seats................................................. 1-2
Reclining Seatbacks...................................... 1-3
Securing a Child Restraint................................1-38
Designed for the LATCH System...................1-38
Rear Seat Position......................................1-38
Right Front Seat Position..............................1-41
Security Light.................................................3-51
Sensors.........................................................3-31
Service Bulletins.............................................7-10Service Engine Soon Light in the United States
or Check Engine Light in Canada..................3-47
Service Manuals.............................................7-10
Service........................................................... 5-3
Adding Equipment to the Outside of Your
Vehicle..................................................... 5-4
Doing Your Own Work................................... 5-3
Engine Soon Light.......................................3-47
Publications Ordering Information...................7-10
Setting Preset Stations............................3-80, 3-89
Setting the Time.............................................3-78
Radios with Radio Data Systems (RDS).........3-78
Radios without Radio Data Systems (RDS).....3-78
Setting the Tone (Bass/Treble)..................3-81, 3-90
Sheet Metal Damage.......................................5-88
Shifting Into Park (P).......................................2-32
Shifting Out of Park (P)...................................2-34
Shoulder Belt Height Adjuster...........................1-13
Skidding........................................................4-16
Some Other Rainy Weather Tips.......................4-20
Speci®cations, Capacities...............................5-100
Speedometer..................................................3-39
Starter Switch Check.......................................6-11
Starting Your Engine.......................................2-25
Steering in Emergencies..................................4-13
Steering, Suspension and Front Drive Axle
Boot and Seal Inspection..............................6-13
Steering Tips..................................................4-11
Steering Wheel Climate Controls.......................3-35
Steering Wheel Controls, Audio.......................3-103
13

Steering Wheel Controls, Memory.....................2-51
Steering........................................................4-11
Storage Areas................................................2-48
Cellular Telephone.......................................2-48
Center Console Storage Area........................2-49
Convenience Net.........................................2-49
Glove Box..................................................2-48
Map Pocket................................................2-49
Umbrella Holder..........................................2-49
Storage.........................................................2-49
Garment Hooks...........................................2-49
Storing the Flat Tire and Tools..........................5-81
Storing the Spare Tire and Tools.......................5-82
Stuck in Sand, Mud, Ice or Snow......................4-30
Sun Visors.....................................................2-18
Sunroof.........................................................2-50
Supplemental In¯atable Restraints (SIR).............1-44
How Does an Air Bag Restrain?....................1-50
Servicing Your Air Bag-Equipped Vehicle.........1-52
What Makes an Air Bag In¯ate?....................1-49
What Will You See After an Air Bag In¯ates?....1-50
When Should an Air Bag In¯ate?...................1-49
Where Are the Air Bags?..............................1-46
T
Tachometer....................................................3-41
Taillamps.......................................................5-60
Turn Signal Lamps......................................5-60Taillamps (cont.)
TCS Warning Light..........................................3-45
Testing the Alarm............................................2-20
Theft-Deterrent, Radio....................................3-102
Theft-Deterrent Systems...................................2-19
PASS-Key
žIII Operation..............................2-21
PASS-KeyžIII .............................................2-21
Throttle System Inspection...............................6-14
Tilt Wheel........................................................ 3-7
Tire In¯ation Check........................................... 6-9
Tire Pressure Display......................................3-75
Tires.............................................................5-63
Buying New Tires........................................5-68
Chains.......................................................5-72
Changing a Flat Tire....................................5-74
Compact Spare Tire.....................................5-83
If a Tire Goes Flat.......................................5-73
In¯ation -- Tire Pressure...............................5-64
Inspection and Rotation................................5-67
Pressure Monitor System..............................5-65
Uniform Tire Quality Grading.........................5-69
Wheel Alignment and Tire Balance.................5-71
Wheel Replacement.....................................5-71
When It Is Time for New Tires......................5-68
To Use the Engine Coolant Heater....................2-27
Top Strap Anchor Location...............................1-35
Top Strap......................................................1-33
Torque Lock...................................................2-34
Total Weight on Your Vehicle's Tires..................4-38
14