2005 CADILLAC STS brake light

Service............................................................5-3
Doing Your Own Service Work.........................5-4
Adding Equipment to the Outside
of Your Vehicle...........................................5-4
Fuel................................................................5-5
Gasoline Octane............................................5-5
Gasoline Specications....................................5-5
California Fuel...............................................5-6
Additives.......................................................5-6
Fuels in Foreign Countries...............................5-7
Filling the Tank..............................................5-8
Filling a Portable Fuel Container.....................5-10
Checking Things Under the Hood....................5-10
Hood Release..............................................5-11
Engine Compartment Overview.......................5-12
Engine Oil...................................................5-15
Engine Oil Life System..................................5-18
Engine Air Cleaner/Filter................................5-20
Automatic Transmission Fluid.........................5-21
Engine Coolant.............................................5-22
Coolant Surge Tank Pressure Cap..................5-24
Engine Overheating.......................................5-24
Overheated Engine Protection
Operating Mode........................................5-26
Cooling System............................................5-27Power Steering Fluid.....................................5-31
Windshield Washer Fluid................................5-32
Brakes........................................................5-34
Battery........................................................5-37
Jump Starting...............................................5-38
All-Wheel Drive..............................................5-42
Rear Axle.......................................................5-44
Front Axle......................................................5-45
Headlamp Aiming...........................................5-46
Bulb Replacement..........................................5-48
High Intensity Discharge (HID) Lighting............5-48
Halogen Bulbs..............................................5-49
Front Turn Signal Lamps...............................5-49
Sidemarker Lamps........................................5-50
Back-Up Lamps............................................5-50
Replacement Bulbs.......................................5-51
Windshield Replacement.................................5-51
Windshield Wiper Blade Replacement..............5-51
Tires..............................................................5-53
Tire Sidewall Labelling...................................5-54
Tire Terminology and Denitions.....................5-58
Ination - Tire Pressure.................................5-60
Tire Pressure Monitor System.........................5-62
Section 5 Service and Appearance Care
5-1

Brake Wear
Your vehicle has four-wheel disc brakes.
Disc brake pads have built-in wear indicators that make a
high-pitched warning sound when the brake pads are
worn and new pads are needed. The sound may come
and go or be heard all the time your vehicle is moving,
except when you are pushing on the brake pedal rmly.
{CAUTION:
The brake wear warning sound means that
soon your brakes will not work well. That
could lead to an accident. When you hear the
brake wear warning sound, have your vehicle
serviced.
Notice:Continuing to drive with worn-out brake
pads could result in costly brake repair.
Some driving conditions or climates may cause a brake
squeal when the brakes are rst applied or lightly
applied. This does not mean something is wrong with
your brakes.Properly torqued wheel nuts are necessary to help
prevent brake pulsation. When tires are rotated, inspect
brake pads for wear and evenly tighten wheel nuts in
the proper sequence to GM torque specications.
Brake linings should always be replaced as complete
axle sets.
Brake Pedal Travel
See your dealer if the brake pedal does not return to
normal height, or if there is a rapid increase in
pedal travel. This could be a sign of brake trouble.
Brake Adjustment
Every time you apply the brakes, with or without the
vehicle moving, your brakes adjust for wear.
5-36

Jump Starting
If your battery has run down, you may want to use
another vehicle and some jumper cables to start your
vehicle. Be sure to use the following steps to do it safely.
{CAUTION:
Batteries can hurt you. They can be dangerous
because:
They contain acid that can burn you.
They contain gas that can explode or
ignite.
They contain enough electricity to
burn you.
If you do not follow these steps exactly, some
or all of these things can hurt you.
Notice:Ignoring these steps could result in costly
damage to your vehicle that would not be covered
by your warranty.
Trying to start your vehicle by pushing or pulling it
will not work, and it could damage your vehicle.
1. Check the other vehicle. It must have a 12-volt
battery with a negative ground system.Notice:If the other vehicle’s system is not a 12-volt
system with a negative ground, both vehicles can
be damaged. Only use vehicles with 12-volt systems
with negative grounds to jump start your vehicle.
2. Get the vehicles close enough so the jumper cables
can reach, but be sure the vehicles are not touching
each other. If they are, it could cause a ground
connection you do not want. You would not be able
to start your vehicle and the bad grounding could
damage the electrical systems.
To avoid the possibility of the vehicles rolling, set
the parking brake rmly on both vehicles involved in
the jump start procedure. Put an automatic
transmission in PARK (P) or a manual transmission
in NEUTRAL before setting the parking brake.
Notice:If you leave your radio or other accessories
on during the jump starting procedure, they could
be damaged. The repairs would not be covered
by your warranty. Always turn off your radio and
other accessories when jump starting your vehicle.
3. Turn off the ignition on both vehicles. Unplug
unnecessary accessories plugged into the cigarette
lighter or the accessory power outlets. Turn off
the radio and all lamps that are not needed. This
will avoid sparks and help save both batteries. And
it could save the radio!
5-38

Tire Terminology and Denitions
Air Pressure:The amount of air inside the tire pressing
outward on each square inch of the tire. Air pressure
is expressed in pounds per square inch (psi) or
kilopascal (kPa).
Accessory Weight:This means the combined weight
of optional accessories. Some examples of optional
accessories are, automatic transmission, power steering,
power brakes, power windows, power seats, and air
conditioning.
Aspect Ratio:The relationship of a tire’s height to its
width.
Belt:A rubber coated layer of cords that is located
between the plies and the tread. Cords may be made
from steel or other reinforcing materials.
Bead:The tire bead contains steel wires wrapped by
steel cords that hold the tire onto the rim.
Bias Ply Tire:A pneumatic tire in which the plies are
laid at alternate angles less than 90 degrees to the
centerline of the tread.
Cold Ination Pressure:The amount of air pressure in
a tire, measured in pounds per square inch (psi) or
kilopascals (kPa) before a tire has built up heat
from driving. SeeInation - Tire Pressure on page 5-60.Curb Weight:This means the weight of a motor
vehicle with standard and optional equipment including
the maximum capacity of fuel, oil and coolant, but
without passengers and cargo.
DOT Markings:A code molded into the sidewall of a
tire signifying that the tire is in compliance with the U.S.
Department of Transportation (DOT) motor vehicle
safety standards. The DOT code includes the Tire
Identication Number (TIN), an alphanumeric designator
which can also identify the tire manufacturer, production
plant, brand and date of production.
GVWR:Gross Vehicle Weight Rating, seeLoading
Your Vehicle on page 4-30.
GAWR FRT:Gross Axle Weight Rating for the front
axle, seeLoading Your Vehicle on page 4-30.
GAWR RR:Gross Axle Weight Rating for the rear axle,
seeLoading Your Vehicle on page 4-30.
Intended Outboard Sidewall:The side of an
asymmetrical tire, that must always face outward when
mounted on a vehicle.
Kilopascal (kPa):The metric unit for air pressure.
Light Truck (LT-Metric) Tire:A tire used on light duty
trucks and some multipurpose passenger vehicles.
5-58

The underhood fuse block is located in the front of the
engine compartment on the passenger’s side of the
vehicle. SeeEngine Compartment Overview on
page 5-12for more information on location, and removal
procedure for the front compartment underhood sights
shields.
To access the fuses, push in the tabs located on each
side of the fuse block cover. Then, lift the cover off.
Fuses Usage
BLOWER Blower Motor
R REAR Passenger’s Side Rear Fuse Block
I/P OUTLET Front Auxiliary Outlet
CCP Climate Control, Headlamp Leveling
PRE 02/CAM Oxygen Sensor, CAM Phasers
ENG W/H Engine W/H
R REAR Passenger’s Side Rear Fuse Block
WPR SW Wiper/Washer Switch
BODY W/H Body W/H
FOG LAMP Fog Lamps
OUTLET Rear Auxiliary Outlet
EVEN COILSEven Ignition Coils, Even Fuel
Injectors
L REAR Left Rear Fuse Block
WPR MOD Wiper Module
POST 02 Oxygen Sensor
Fuses Usage
COMP CLTCH Air Conditioner Compressor Clutch
STARTER Starter Solenoid
ABS Anti-Lock Brake Pump
L REAR Driver’s Side Rear Fuse Block
BODY W/H Body W/H
RAIN SSRRain Sensor, Headlamp Washer,
Tire Pressure Monitor
CCP Climate Control
SMT BM-OPT Smart Beam Relay (Option)
EXT LIGHTSLow Beam Relay, High Beam Relay,
Park Lamp Relay
VOLT CHECK Instrument Panel Module
ECM/TCMEngine Control Module,
Transmission Control Module,
Easy Key Module, Instrument
Panel Cluster
SPARE Spare
SPARE Spare
LT PARK Left Park Lamp, Left Taillamp
LIC DIMMINGLicense Plate, Instrument Panel
Dimming
IPM ALDLInstrument Panel Module Assembly
Line Data Link Connector
HUDHeads-Up Display, Column Lock
Module
5-97

A
Accessory Power Outlets.................................3-49
Adaptive Cruise Control...................................3-20
Additives, Fuel................................................. 5-6
Add-On Electrical Equipment............................5-95
Air Cleaner/Filter, Engine.................................5-20
Air Conditioning..............................................3-50
Airbag
Readiness Light..........................................3-63
Airbag Sensing and Diagnostic Module (SDM)...... 7-8
Airbag System................................................1-45
How Does an Airbag Restrain?......................1-53
Servicing Your Airbag-Equipped Vehicle..........1-56
What Makes an Airbag Inate?......................1-53
What Will You See After an Airbag Inates?....1-54
When Should an Airbag Inate?....................1-52
Where Are the Airbags?...............................1-48
All-Wheel Drive...............................................5-42
All-Wheel Drive (AWD) System.........................2-29
Antenna, Diversity Antenna System..................3-118
Antenna, XM™ Satellite Radio Antenna
System.....................................................3-118
Anti-Lock Brake System (ABS)........................... 4-6
Anti-Lock Brake, System Warning Light..............3-65
Appearance Care............................................5-85
Aluminum or Chrome-Plated Wheels..............5-91
Care of Safety Belts....................................5-88
Chemical Paint Spotting...............................5-92
Cleaning Exterior Lamps/Lenses....................5-89Appearance Care (cont.)
Cleaning the Inside of Your Vehicle................5-85
Fabric/Carpet..............................................5-87
Finish Care.................................................5-89
Finish Damage............................................5-92
Instrument Panel, Vinyl, and Other Plastic
Surfaces.................................................5-88
Leather......................................................5-87
Sheet Metal Damage...................................5-92
Speaker Covers..........................................5-88
Tires..........................................................5-91
Underbody Maintenance...............................5-92
Vehicle Care/Appearance Materials................5-93
Washing Your Vehicle...................................5-89
Weatherstrips..............................................5-88
Windshield and Wiper Blades........................5-90
Wood Panels..............................................5-88
Ashtrays........................................................3-49
Audio System(s).............................................3-92
Audio Steering Wheel Controls....................3-116
Care of Your CD Player..............................3-118
Care of Your CDs......................................3-118
Diversity Antenna System............................3-118
Navigation/Radio System, see Navigation
Manual.................................................3-111
Audio Systems
Radio Personalization.................................3-112
Audio System(s)
Radio with CD............................................3-94
Setting the Time..........................................3-93
1

Audio System(s) (cont.)
Theft-Deterrent Feature...............................3-115
Understanding Radio Reception...................3-117
XM™ Satellite Radio Antenna System...........3-118
Automatic Transmission
Fluid..........................................................5-21
Operation...................................................2-26
B
Battery..........................................................5-37
Exterior Lighting Battery Saver......................3-41
Inadvertent Power Saver..............................3-43
Load Management.......................................3-42
Before Leaving on a Long Trip.........................4-22
Brake
Anti-Lock Brake System (ABS)........................ 4-6
Emergencies................................................ 4-8
Panic Assist................................................4-10
Parking......................................................2-29
System Warning Light..................................3-64
Brakes..........................................................5-34
Braking........................................................... 4-5
Braking in Emergencies..................................... 4-8
Break-In, New Vehicle.....................................2-22
Bulb Replacement...........................................5-48
Back-Up Lamps...........................................5-50
Front Turn Signal Lamps..............................5-49
Halogen Bulbs............................................5-49Bulb Replacement (cont.)
Headlamp Aiming........................................5-46
High Intensity Discharge (HID) Lighting...........5-48
Replacement Bulbs......................................5-51
Sidemarker Lamps.......................................5-50
Buying New Tires...........................................5-68
C
California Fuel.................................................. 5-6
Canadian Owners................................................ ii
Capacities and Specications..........................5-106
Carbon Monoxide...................2-14, 2-33, 4-25, 4-37
Care of
Safety Belts................................................5-88
Your CD Player.........................................3-118
Your CDs .................................................3-118
Center Console Storage Area...........................2-45
Chains, Tire...................................................5-73
Charging System Light....................................3-64
Check
Engine Light...............................................3-68
Checking Things Under the Hood......................5-10
Chemical Paint Spotting...................................5-92
Child Restraints
Child Restraint Systems...............................1-32
Infants and Young Children...........................1-28
Lower Anchorages and Top Tethers for
Children (LATCH System)..........................1-38
2

K
Keyless Access System..................................... 2-3
Keyless Access System, Operation...................... 2-4
Keys............................................................... 2-2
L
Labelling, Tire Sidewall....................................5-54
Lamps
Battery Load Management............................3-42
Exterior Lighting Battery Saver......................3-41
Fog ...........................................................3-39
Inadvertent Power Battery Saver....................3-43
Reading.....................................................3-42
Twilight Sentinel
®........................................3-40
LATCH System
Child Restraints...........................................1-38
Securing a Child Restraint Designed for
the LATCH System...................................1-40
Light
Airbag Readiness........................................3-63
Anti-Lock Brake System Warning...................3-65
Brake System Warning.................................3-64
Charging System.........................................3-64
Cruise Control.............................................3-72
Engine Coolant Temperature Warning.............3-67Light (cont.)
Fog Lamp..................................................3-71
Highbeam On.............................................3-72
Lights On Reminder.....................................3-71
Low Tire Pressure Warning Light...................3-66
Malfunction Indicator....................................3-68
Oil Pressure...............................................3-70
Safety Belt Reminder...................................3-62
Security.....................................................3-71
TCS Warning Light......................................3-66
Traction Control System (TCS) Warning..........3-66
Lighting
Entry.........................................................3-42
Parade Dimming..........................................3-42
Limited-Slip Rear Axle....................................... 4-9
Loading Your Vehicle.......................................4-30
Lockout Protection..........................................2-13
Locks
Door..........................................................2-11
Lockout Protection.......................................2-13
Power Door................................................2-11
Programmable Automatic Door Locks.............2-12
Rear Door Security Locks.............................2-12
Loss of Control...............................................4-14
Lumbar
Power Controls............................................. 1-3
7