2003 CADILLAC SEVILLE check engine

Part B: Owner Checks and Services
Listed in this part are owner checks and services
which should be performed at the intervals speci®ed to
help ensure the safety, dependability and emission
control performance of your vehicle.
Be sure any necessary repairs are completed at once.
Whenever any ¯uids or lubricants are added to your
vehicle, make sure they are the proper ones, as shown
in Part D.
At Each Fuel Fill
It is important for you or a service station attendant to
perform these underhood checks at each fuel ®ll.
Engine Oil Level Check
Check the engine oil level and add the proper oil if
necessary. SeeEngine Oil on page 5-13for further
details.
Engine Coolant Level Check
Check the engine coolant level and add DEX-COOLž
coolant mixture if necessary. SeeEngine Coolant
on page 5-25for further details.
Windshield Washer Fluid Level Check
Check the windshield washer ¯uid level in the windshield
washer tank and add the proper ¯uid if necessary.
See
Windshield Washer Fluid on page 5-39for further
details.
At Least Once a Month
Tire In¯ation Check
Visually inspect your tires and make sure tires are
in¯ated to the correct pressures. Don't forget to check
your spare tire. See
Tires on page 5-63for further
details.
Cassette Tape Player Service
Clean cassette tape player. Cleaning should be done
every 50 hours of tape play. SeeAudio System(s)
on page 3-78for further details.
6-9

Starter Switch Check
{CAUTION:
When you are doing this check, the vehicle
could move suddenly. If it does, you or others
could be injured. Follow the steps below.
1. Before you start, be sure you have enough room
around the vehicle.
2. Firmly apply both the parking brake and the regular
brake. See
Parking Brake on page 2-31if
necessary.
Do not use the accelerator pedal, and be ready to
turn off the engine immediately if it starts.
3. Try to start the engine in each gear. The starter
should work only in PARK (P) or NEUTRAL (N).
If the starter works in any other position, your
vehicle needs service.
Automatic Transaxle Shift Lock Control
System Check
{CAUTION:
When you are doing this check, the vehicle
could move suddenly. If it does, you or others
could be injured. Follow the steps below.
1. Before you start, be sure you have enough room
around the vehicle. It should be parked on a level
surface.
2. Firmly apply the parking brake. See
Parking Brake
on page 2-31if necessary.
Be ready to apply the regular brake immediately if
the vehicle begins to move.
3. With the engine off, turn the key to the ON position,
but don't start the engine. Without applying the
regular brake, try to move the shift lever out
of PARK (P) with normal effort. If the shift lever
moves out of PARK (P), your vehicle needs service.
6-11

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