check engine CADILLAC XLR 2005 1.G Service Manual

At Least Once a Year
Starter Switch Check
{CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before you start, be sure you have enough room
around the vehicle.
2. Firmly apply both the parking brake and the regular
brake. SeeParking Brake on page 2-28if 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, contact
your GM Goodwrench dealer for service.
Transmission Shift Lock Control
System Check
{CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
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. SeeParking Brake
on page 2-28if necessary.
Be ready to apply the regular brake immediately if
the vehicle begins to move.
3. With the engine off and 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), contact your GM Goodwrench dealer
for service.
7-9

Parking Brake and Transmission 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 transmission 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.
Contact your GM Goodwrench dealer if service
is required.
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.
7-10

Audio System(s) (cont.)
Theft-Deterrent Feature................................3-78
Understanding Radio Reception.....................3-80
XM™ Satellite Radio Antenna System............3-81
Automatic Transmission
Fluid..........................................................6-20
Operation...................................................2-25
Avoid Point/Area, Edit......................................4-20
B
Battery..........................................................6-36
Exterior Lighting Battery Saver......................3-32
Run-Down Protection...................................3-33
Before Leaving on a Long Trip.........................5-22
Brake
Anti-Lock Brake System (ABS)........................ 5-6
Emergencies................................................ 5-8
Parking......................................................2-28
System Warning Light..................................3-52
Brakes..........................................................6-33
Braking........................................................... 5-5
Braking in Emergencies..................................... 5-8
Break-In, New Vehicle.....................................2-21
Bulb Replacement...........................................6-44
Headlamp Aiming........................................6-42
Buying New Tires...........................................6-58
C
California Fuel.................................................. 6-5
Canadian Owners................................................ ii
Capacities and Specications............................6-85
Carbon Monoxide...................2-13, 2-32, 5-25, 5-35
Care of
Safety Belts................................................6-73
Your CD Player...........................................3-80
Your CDs ...................................................3-80
CD
Six-Disc Changer.........................................4-61
CD/DVD Player..............................................4-63
Center Console Storage Area...........................2-42
Chains, Tire...................................................6-63
Check
Engine Light...............................................3-55
Checking Things Under the Hood......................6-10
Chemical Paint Spotting...................................6-77
Child Restraints
Child Restraint Systems...............................1-24
Infants and Young Children...........................1-21
Lower Anchorages and Top Tethers for
Children (LATCH System)..........................1-28
Older Children.............................................1-19
Securing a Child Restraint Designed for the
LATCH System........................................1-30
2

D
Database Coverage Explanations......................4-45
Daytime Running Lamps..................................3-30
Defensive Driving............................................. 5-2
Diversity Antenna System.................................3-81
Doing Your Own Service Work........................... 6-4
Door
Locks.......................................................... 2-9
Power Door Locks.......................................2-11
Driver
Position, Safety Belt.....................................1-10
Driver Information Center (DIC).........................3-61
DIC Controls and Displays............................3-61
DIC Vehicle Personalization..........................3-73
DIC Warnings and Messages........................3-64
Other Messages..........................................3-72
Driving
At Night.....................................................5-16
City...........................................................5-20
Defensive..................................................... 5-2
Drunken....................................................... 5-2
Freeway.....................................................5-21
Hill and Mountain Roads..............................5-23
In Rain and on Wet Roads...........................5-18
Rocking Your Vehicle to Get it Out.................5-30
Winter........................................................5-25
Dual Climate Control System............................3-40
E
Edit
Avoid Point/Area..........................................4-20
Memory Point.............................................4-13
Waypoint....................................................4-17
Electrical System
Add-On Equipment......................................6-80
Fuses and Circuit Breakers...........................6-80
Instrument Panel Fuse Block.........................6-81
Power Windows and Other Power Options......6-80
Underhood Fuse Block.................................6-83
Windshield Wiper Fuses...............................6-80
Engine
Air Cleaner/Filter.........................................6-18
Battery.......................................................6-36
Check and Service Engine Soon Light............3-55
Coolant......................................................6-20
Coolant Heater............................................2-24
Coolant Temperature Gage...........................3-54
Engine Compartment Overview......................6-12
Exhaust.....................................................2-32
Oil .............................................................6-13
Oil Pressure Gage.......................................3-58
Overheated Protection Operating Mode...........6-25
Overheating................................................6-23
Starting......................................................2-23
4

Maintenance Schedule (cont.)
Normal Maintenance Replacement Parts.........7-13
Owner Checks and Services........................... 7-8
Recommended Fluids and Lubricants.............7-11
Scheduled Maintenance................................. 7-4
Using Your................................................... 7-2
Your Vehicle and the Environment................... 7-2
Malfunction Indicator Light................................3-55
Map Pocket...................................................2-43
Maps............................................................4-33
Memory Mirrors..............................................2-54
Memory Point, Edit.........................................4-13
Memory Seat.................................................2-54
Memory Steering Wheel Controls......................2-54
Message
DIC Warnings and Messages........................3-64
Mirrors
Automatic Dimming Rearview with OnStar
®.......2-34
Memory.....................................................2-54
Outside Automatic Dimming Mirror.................2-35
Outside Convex Mirror.................................2-36
Outside Curb View Assist Mirror....................2-35
Outside Power Heated Mirrors.......................2-34
MyGMLink.com................................................ 8-3
N
Navigation.................................................4-2, 4-4
Using the System.......................................... 4-4
New Vehicle Break-In......................................2-21
Normal Maintenance Replacement Parts............7-13
O
Odometer......................................................3-48
Odometer, Trip...............................................3-48
Off-Road Recovery..........................................5-13
Oil
Engine.......................................................6-13
Engine Oil Pressure Gage............................3-58
Life Indicator...............................................3-77
Older Children, Restraints................................1-19
Online Owner Center........................................ 8-3
OnStar
®System.....................................2-36, 4-42
Ordering
Map DVDs.................................................4-45
Other Warning Devices...................................... 3-6
Outlet Adjustment............................................3-45
8

Outside
Automatic Dimming Mirror.............................2-35
Convex Mirror.............................................2-36
Curb View Assist Mirror................................2-35
Power Heated Mirrors..................................2-34
Overheated Engine Protection Operating Mode.....6-25
Owner Checks and Services.............................. 7-8
Owners, Canadian............................................... ii
P
Park Aid........................................................3-37
Park (P)
Shifting Into................................................2-30
Shifting Out of............................................2-31
Parking
Assist........................................................3-37
Brake........................................................2-28
Over Things That Burn.................................2-32
Passenger Compartment Air Filter.....................3-45
Passenger Position, Safety Belts.......................1-18
Passing.........................................................5-14
Plan Route....................................................4-13Player
CD ............................................................4-63
DVD ..........................................................4-63
Power
Accessory Outlets........................................3-38
Door Locks.................................................2-11
Electrical System.........................................6-80
Lumbar Controls........................................... 1-2
Reclining Seatback........................................ 1-4
Retained Accessory (RAP)............................2-22
Seat............................................................ 1-2
Steering Fluid.............................................6-31
Tilt Wheel and Telescopic Steering Column....... 3-7
Windows....................................................2-17
Pretensioners, Safety Belt................................1-18
Problems with Route Guidance.........................4-44
Programming the HomeLink
®Transmitter...........2-39
Q
Questions and Answers About Safety Belts.......... 1-9
9

R
Radio............................................................4-45
Personalization with Home and Away Feature....4-69
Radios..........................................................3-78
Care of Your CD Player...............................3-80
Care of Your CDs........................................3-80
Theft-Deterrent............................................3-78
Understanding Reception..............................3-80
Rainsense™ Wipers........................................3-10
Raising the Retractable Hardtop........................2-46
Reading Lamps..............................................3-33
Rear Axle......................................................6-41
Limited-Slip.................................................. 5-9
Rear Storage Area..........................................2-44
Rearview Mirror, Automatic Dimming
with OnStar
®..............................................2-34
Reclining Seatback, Power................................. 1-4
Recommended Fluids and Lubricants.................7-11
Recreational Vehicle Towing.............................5-35
Remote Keyless Entry System..........................4-42
Reporting Safety Defects
Canadian Government..................................8-11
General Motors...........................................8-11
United States Government............................8-11Restraint System Check
Checking Your Restraint Systems...................1-48
Replacing Restraint System Parts After
a Crash..................................................1-48
Restraint Systems
Checking....................................................1-48
Replacing Parts...........................................1-48
Retained Accessory Power (RAP)......................2-22
Retractable Hardtop........................................2-45
Lowering....................................................2-45
Raising......................................................2-46
Roadside
Service........................................................ 8-6
Rocking Your Vehicle to Get it Out....................5-30
Route Preference............................................4-31
Run-Flat Tires................................................6-52
Running Your Engine While You Are Parked.......2-33
S
Safety Belt
Pretensioners..............................................1-18
Reminder Light............................................3-48
10