tires CADILLAC STS 2006 1.G Workshop Manual

Notice:Using chrome polish on aluminum wheels
could damage the wheels. The repairs would not
be covered by your warranty. Use chrome polish on
chrome wheels only.
Use chrome polish only on chrome-plated wheels, but
avoid any painted surface of the wheel, and buff off
immediately after application.
Notice:If you drive your vehicle through an
automatic car wash that has silicone carbide tire
cleaning brushes, you could damage the aluminum
or chrome-plated wheels. The repairs would not
be covered by your warranty. Never drive a vehicle
equipped with aluminum or chrome-plated wheels
through an automatic car wash that uses silicone
carbide tire cleaning brushes.
Do not take your vehicle through an automatic car wash
that has silicone carbide tire cleaning brushes. These
brushes can also damage the surface of these wheels.Tires
To clean the tires, use a stiff brush with tire cleaner.
Notice:Using petroleum-based tire dressing
products on your vehicle may damage the paint
nish and/or tires. When applying a tire dressing,
always wipe off any overspray from all painted
surfaces on your vehicle.
Sheet Metal Damage
If the vehicle is damaged and requires sheet metal
repair or replacement, make sure the body repair shop
applies anti-corrosion material to parts repaired or
replaced to restore corrosion protection.
Original manufacturer replacement parts will provide the
corrosion protection while maintaining the warranty.
5-100

Scheduled Maintenance
Service MaintenanceIMaintenanceII
Change engine oil and lter. SeeEngine Oil on page 5-18. Reset oil life system.
SeeEngine Oil Life System on page 5-22.An Emission Control Service.••
Visually check for any leaks or damage.See footnote (k).••
Inspect engine air cleaner lter. If necessary, replace lter. SeeEngine Air
Cleaner/Filter on page 5-24.See footnote (m).•
Check tires for ination pressures and wear. SeeTires on page 5-56. If tire
rotation is recommended for your vehicle, rotate tires. SeeTire Inspection and
Rotation on page 5-70and “Tire Wear Inspection” inAt Least Once a Month
on page 6-9.••
Inspect brake system.See footnote (a).••
Check engine coolant and windshield washer uid levels. If you have the 4.4L V8
supercharged engine, check intercooler uid level. Add uid as needed.••
Perform any needed additional services. See “Additional Required Services”
in this section.••
Inspect suspension and steering components.See footnote (b).•
Inspect engine cooling system.See footnote (c).•
Inspect wiper blades.See footnote (d).•
Inspect restraint system components.See footnote (e).•
Lubricate body components.See footnote (f).•
Check transmission uid level and add uid as needed.•
Replace passenger compartment air lter.See footnote (g).•
6-5

At Each Fuel Fill
It is important 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 5-18for further
details.
Notice:It is important to check your oil regularly
and keep it at the proper level. Failure to keep your
engine oil at the proper level can cause damage
to your engine not covered by your warranty.
Engine Coolant Level Check
Check the engine coolant level and add DEX-COOL®
coolant mixture if necessary. SeeEngine Coolant
on page 5-26for further details.
Intercooler Coolant Level Check
(4.4L Supercharged Engine)
Check the coolant level and add DEX-COOL®coolant
mixture if necessary. SeeEngine Coolant on page 5-26
for further details.
Windshield Washer Fluid Level Check
Check the windshield washer uid level in the
windshield washer uid reservoir and add the proper
uid if necessary.
At Least Once a Month
Tire Ination Check
Visually inspect your vehicle’s tires and make sure they
are inated to the correct pressures. Do not forget to
check the spare tire. SeeTires on page 5-56for further
details. Check to make sure the spare tire is stored
securely. SeeChanging a Flat Tire (STS Only) on
page 5-83.
Tire Wear Inspection
Tire rotation is recommended if your vehicle has the
same size tires at all four wheel positions and may
be required for high mileage highway drivers prior to
the Engine Oil Life System service notication. Check
the tires for wear and, if necessary, rotate the tires.
SeeTire Inspection and Rotation on page 5-70.
6-9

A
Accessories and Modications............................ 5-3
Accessory Power Outlet(s)...............................3-46
Adaptive Cruise Control...................................3-19
Adding Equipment to Your Airbag-Equipped
Vehicle.......................................................1-63
Additives, Fuel................................................. 5-6
Add-On Electrical Equipment...........................5-104
Air Cleaner/Filter, Engine.................................5-24
Air Conditioning..............................................3-48
Airbag
Passenger Status Indicator...........................3-61
Readiness Light..........................................3-60
Airbag Sensing and Diagnostic Module (SDM)...... 7-8
Airbag System................................................1-49
Adding Equipment to Your Airbag-Equipped
Vehicle...................................................1-63
How Does an Airbag Restrain?......................1-57
Passenger Sensing System...........................1-59
Servicing Your Airbag-Equipped Vehicle..........1-63
What Makes an Airbag Inate?......................1-57
What Will You See After an Airbag Inates?....1-57
When Should an Airbag Inate?....................1-55
Where Are the Airbags?...............................1-52
All-Wheel Drive...............................................5-50
All-Wheel-Drive (AWD) System.........................4-12
Antenna, Diversity Antenna System..................3-122Antenna, XM™ Satellite Radio
Antenna System........................................3-122
Anti-Lock Brake System (ABS)........................... 4-7
Anti-Lock Brake, System Warning Light..............3-65
Appearance Care
Aluminum or Chrome-Plated Wheels..............5-99
Care of Safety Belts....................................5-97
Chemical Paint Spotting..............................5-101
Cleaning Exterior Lamps/Lenses....................5-98
Cleaning the Inside of Your Vehicle................5-94
Fabric/Carpet..............................................5-96
Finish Care.................................................5-98
Finish Damage..........................................5-101
Instrument Panel, Vinyl, and Other Plastic
Surfaces.................................................5-97
Leather......................................................5-96
Sheet Metal Damage..................................5-100
Speaker Covers..........................................5-97
Tires........................................................5-100
Underbody Maintenance.............................5-101
Vehicle Care/Appearance Materials...............5-102
Washing Your Vehicle...................................5-98
Weatherstrips..............................................5-97
Windshield and Wiper Blades........................5-99
Wood Panels..............................................5-97
Ashtray(s)......................................................3-47
Audio System(s).............................................3-94
Audio Steering Wheel Controls....................3-119
Care of Your CD Player..............................3-122
1

Audio System(s) (cont.)
Care of Your CDs ......................................3-121
Diversity Antenna System............................3-122
Navigation/Radio System, see Navigation
Manual.................................................3-115
Audio Systems
Radio Personalization.................................3-115
Audio System(s)
Radio with CD............................................3-96
Setting the Time..........................................3-95
Theft-Deterrent Feature...............................3-119
Understanding Radio Reception...................3-120
XM™ Satellite Radio Antenna System...........3-122
Automatic Transmission
Fluid..........................................................5-26
Operation...........................................2-28, 2-32
B
Battery..........................................................5-44
Exterior Lighting Battery Saver......................3-38
Inadvertent Power Saver..............................3-40
Load Management.......................................3-40
Before Leaving on a Long Trip.........................4-24
Brake
Anti-Lock Brake System (ABS)........................ 4-7
Emergencies................................................ 4-9
Panic Assist................................................4-12Brake (cont.)
Parking......................................................2-35
System Warning Light..................................3-64
Brakes..........................................................5-41
Braking........................................................... 4-6
Braking in Emergencies..................................... 4-9
Break-In, New Vehicle.....................................2-24
Bulb Replacement...........................................5-53
Back-Up Lamps...........................................5-54
Halogen Bulbs............................................5-53
High Intensity Discharge (HID) Lighting...........5-53
Replacement Bulbs......................................5-54
Buying New Tires...........................................5-72
C
Calibration...............................................1-7, 2-42
California Fuel.................................................. 5-6
California Proposition 65 Warning....................... 5-3
Canadian Owners................................................ ii
Capacities and Specications..........................5-116
Carbon Monoxide...................2-14, 2-39, 4-27, 4-40
Care of
Safety Belts................................................5-97
Your CD Player.........................................3-122
Your CDs .................................................3-121
Center Console Storage Area...........................2-51
2

Chains, Tire...................................................5-78
Charging System Light....................................3-63
Check
Engine Light...............................................3-67
Checking Things Under the Hood......................5-10
Chemical Paint Spotting.................................5-101
Child Restraints
Child Restraint Systems...............................1-32
Infants and Young Children...........................1-29
Lower Anchors and Tethers for Children..........1-37
Older Children.............................................1-26
Securing a Child Restraint in a
Rear Seat Position...................................1-44
Securing a Child Restraint in the
Right Front Seat Position..........................1-46
Where to Put the Restraint...........................1-36
Cigarette Lighter.............................................3-47
Cleaning
Aluminum or Chrome-Plated Wheels..............5-99
Exterior Lamps/Lenses.................................5-98
Fabric/Carpet..............................................5-96
Finish Care.................................................5-98
Inside of Your Vehicle..................................5-94
Instrument Panel, Vinyl, and Other Plastic
Surfaces.................................................5-97
Leather......................................................5-96
Speaker Covers..........................................5-97
Tires........................................................5-100
Underbody Maintenance.............................5-101Cleaning (cont.)
Washing Your Vehicle...................................5-98
Weatherstrips..............................................5-97
Windshield and Wiper Blades........................5-99
Wood Panels..............................................5-97
Climate Control System
Air Filter, Passenger Compartment.................3-55
Dual ..........................................................3-48
Outlet Adjustment........................................3-54
Rear ..........................................................3-54
Collision Damage Repair..................................7-10
Comfort Guides, Rear Safety Belt.....................1-23
Compact Spare Tire........................................5-94
Compass.................................................1-7, 2-42
Competitive Driving.........................................4-18
Competitive Driving Mode................................4-10
Control of a Vehicle.......................................... 4-6
Convenience Net............................................2-51
Coolant
Engine Temperature Gage............................3-67
Engine Temperature Warning Light.................3-66
Heater, Engine............................................2-27
Surge Tank Pressure Cap.............................5-30
Cooling System..............................................5-32
Cruise Control................................................3-16
Cruise Control, Adaptive..................................3-19
Cruise Control, Forward Collision Alert (FAC)
System........................................................ 3-9
Cruise Control Light........................................3-72
3

J
Jump Starting.................................................5-45
K
Keyless Access System..................................... 2-4
Keyless Access System, Operation...................... 2-5
Keys............................................................... 2-3
L
Labeling, Tire Sidewall.....................................5-58
Lamps
Battery Load Management............................3-40
Exterior Lighting Battery Saver......................3-38
Fog ...........................................................3-37
Inadvertent Power Battery Saver....................3-40
Reading.....................................................3-40
Twilight Sentinel
®........................................3-37
LATCH System
Child Restraints...........................................1-37
Lifting Your Vehicle, Tires.................................5-79
Light
Airbag Readiness........................................3-60
Anti-Lock Brake System Warning...................3-65
Brake System Warning.................................3-64
Charging System.........................................3-63
Cruise Control.............................................3-72Light (cont.)
Engine Coolant Temperature Warning.............3-66
Fog Lamp ..................................................3-71
Highbeam On.............................................3-72
Lights On Reminder.....................................3-71
Low Tire Pressure Warning Light...................3-65
Malfunction Indicator....................................3-67
Oil Pressure...............................................3-70
Passenger Airbag Status Indicator..................3-61
Passenger Safety Belt Reminder....................3-60
Safety Belt Reminder...................................3-59
Security.....................................................3-71
TCS Warning Light......................................3-66
Traction Control System (TCS) Warning..........3-66
Lighting
Entry.........................................................3-39
Parade Dimming..........................................3-39
Limited-Slip Rear Axle.....................................4-11
Loading Your Vehicle.......................................4-32
Lockout Protection..........................................2-14
Locks
Door ..........................................................2-12
Lockout Protection.......................................2-14
Power Door ................................................2-12
Programmable Automatic Door Locks.............2-13
Rear Door Security Locks.............................2-13
Loss of Control...............................................4-17
Lumbar
Power Controls............................................. 1-2
7

Q
Questions and Answers About Safety Belts.........1-12
R
Radios..........................................................3-94
Care of Your CD Player..............................3-122
Care of Your CDs ......................................3-121
Navigation/Radio System, see Navigation
Manual.................................................3-115
Radio Personalization.................................3-115
Radio with CD............................................3-96
Setting the Time..........................................3-95
Theft-Deterrent..........................................3-119
Understanding Reception............................3-120
Rainsense™ II Wipers.....................................3-14
Reading Lamps..............................................3-40
Rear Axle......................................................5-51
Limited-Slip.................................................4-11
Rear Climate Control System............................3-54
Rear Door Security Locks................................2-13
Rear Heated Seats........................................... 1-7
Rear Safety Belt Comfort Guides......................1-23
Rear Seat Passengers, Safety Belts..................1-21
Rearview Mirror, Automatic Dimming..................2-41
Rearview Mirror, Automatic Dimming with
OnStar
®.....................................................2-41Rearview Mirror, Automatic Dimming with
OnStar
®and Compass.................................2-42
Rearview Mirror with Compass and
Temperature................................................. 1-7
Reclining Seatbacks, Power............................... 1-4
Recommended Fluids and Lubricants.................6-12
Recreational Vehicle Towing.............................4-38
Removing the Flat Tire and Installing
the Spare Tire.............................................5-86
Removing the Spare Tire and Tools...................5-85
Replacement Bulbs.........................................5-54
Replacement, Windshield.................................5-55
Reporting Safety Defects
Canadian Government..................................7-13
General Motors...........................................7-14
United States Government............................7-13
Restraint System Check
Checking the Restraint Systems....................1-64
Replacing Restraint System Parts
After a Crash..........................................1-65
Retained Accessory Power (RAP)......................2-25
Right Front Passenger Position, Safety Belts......1-21
Roadside
Service........................................................ 7-5
Rocking Your Vehicle to Get it Out....................4-32
Routing, Engine Drive Belt...............................6-15
Run-Flat Tires................................................5-63
Running the Engine While Parked.....................2-40
10

Steering........................................................4-12
Steering Wheel Controls, Audio.......................3-119
Steering Wheel Controls, Memory.....................2-70
Steering Wheel, Heated..................................... 3-7
Steering Wheel, Power Tilt Wheel and
Telescopic Steering Column............................ 3-6
Storage Areas
Center Console Storage Area........................2-51
Convenience Net.........................................2-51
Cupholder(s)...............................................2-51
Glove Box..................................................2-51
Stuck in Sand, Mud, Ice, or Snow.....................4-31
Sun Visors.....................................................2-20
Sunroof.........................................................2-52
T
Tachometer....................................................3-59
TCS Warning Light..........................................3-66
Telescopic Steering Column, Power Tilt Wheel...... 3-6
Theft-Deterrent, Radio....................................3-119
Theft-Deterrent System....................................2-21
Theft-Deterrent Systems...................................2-20Tires.............................................................5-56
Aluminum or Chrome-Plated Wheels,
Cleaning.................................................5-99
Buying New Tires........................................5-72
Chains.......................................................5-78
Changing a Flat Tire....................................5-83
Cleaning...................................................5-100
Compact Spare Tire.....................................5-94
Different Size..............................................5-74
If a Tire Goes Flat.......................................5-81
Ination - Tire Pressure................................5-64
Inspection and Rotation................................5-70
Installing the Spare Tire................................5-86
Lifting Your Vehicle......................................5-79
Pressure Monitor System..............................5-66
Removing the Flat Tire.................................5-86
Removing the Spare Tire and Tools...............5-85
Run-Flat.....................................................5-63
Storing a Flat or Spare Tire and Tools............5-92
Tire Sidewall Labeling..................................5-58
Tire Terminology and Denitions....................5-60
Uniform Tire Quality Grading.........................5-75
Wheel Alignment and Tire Balance.................5-76
Wheel Replacement.....................................5-76
When It Is Time for New Tires......................5-71
12