2008 CADILLAC STS ECU

2. Slide the rear of the cushion up and under the
seatback so the rear-locating guides hook into
the wire loops on the back frame.
3. With the seat cushion lowered, push rearward and
then press down on the seat cushion until the
spring locks on both ends engage.
4. Check to make sure the safety belts are properly
routed and that no portion of any safety belt is
trapped under the seat. Also make sure the seat
cushion is secured.Rear Underseat Fuse Block
There is a fuse block located under the rear seat on the
driver’s side and passenger’s side of the vehicle. The
rear seat cushion must be removed to access the
fuse blocks. See “Removing the Rear Seat Cushion”
listed previously in this section.
To access the fuses, push in the two tabs, then lift the
cover off.
Your vehicle may not have all the fuses listed below.
5-123

Engine Coolant Level Check
Check the engine coolant level and add DEX-COOL®
coolant mixture if necessary. SeeEngine Coolant
on page 5-25.
Intercooler Coolant Level Check
(4.4L Supercharged Engine)
Check the coolant level and add DEX-COOL®coolant
mixture if necessary. SeeEngine Coolant on page 5-25.
Windshield Washer Fluid Level Check
Check the windshield washer uid level in the
windshield washer uid reservoir and add the proper
uid if necessary. SeeWindshield Washer Fluid
on page 5-40.
At Least Once a Month
Tire Ination Check
Inspect your vehicle’s tires and make sure they are
inated to the correct pressures. Do not forget to check
the spare tire. SeeInflation - Tire Pressure on
page 5-66. Check to make sure the spare tire is stored
securely. SeeChanging a Flat Tire on page 5-96.
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 5-73.
6-10

Emergency Road Service is performed on site for the
following situations:
Fuel Delivery:Delivery of enough fuel for the vehicle
to get to the nearest service station (approximately
$5 in Canada). In Canada, for safety reasons,
propane and other alternative fuels will not be
provided through this service.
Lock-out Service:Lock-out service will be covered
at no charge if you are unable to gain entry into your
vehicle. A remote unlock may be available if you
have an active OnStar
®subscription. To ensure
security, the driver must present personal
identication before lock-out service is provided.
In Canada, the vehicle registration is also required.
Emergency Tow From a Public Roadway or
Highway:Tow to the nearest dealership for warranty
service or in the event of a vehicle-disabling crash.
Winch-out assistance is provided when the vehicle is
mired in sand, mud, or snow.
Flat Tire Change:Installation of a spare tire in good
condition, when equipped and properly inated, is
covered at no charge. The customer is responsible
for the repair or replacement of the tire if not covered
by a warrantable failure.
Jump Start:A battery jump start is covered at no
charge if the vehicle does not start.
Trip Routing Service:Upon request, Cadillac
Roadside Service will send you detailed, computer
personalized maps, highlighting your choice of either
the most direct route or the most scenic route to your
destination, anywhere in North America, along with
helpful travel information pertaining to your trip.
Please allow three weeks before your planned
departure date. In Canada, trip routing requests will
be limited to six per calendar year.
Trip Interruption Benets and Assistance:If your
trip is interrupted due to a warranty failure, incidental
expenses may be reimbursed during the 60 months/
100,000 miles (160 000 km) warranty period. Items
covered are hotel, meals, and rental car.
Alternative Service (Canada only):There may be
times when Roadside Service cannot provide timely
assistance. Your advisor may authorize you to
secure local emergency road service, and you will be
reimbursed up to $100 upon submission of the
original receipt to Cadillac Roadside Service
®.
Cadillac and General Motors of Canada Limited reserve
the right to limit services or reimbursement to an
owner or driver when, in their sole discretion, the claims
become excessive in frequency or type of occurrence.
7-7

To read data recorded by an EDR, special equipment is
required, and access to the vehicle or the EDR is
needed. In addition to the vehicle manufacturer, other
parties, such as law enforcement, that have the special
equipment, can read the information if they have
access to the vehicle or the EDR.
GM will not access this data or share it with others
except: with the consent of the vehicle owner or, if the
vehicle is leased, with the consent of the lessee; in
response to an official request of police or similar
government office; as part of GM’s defense of litigation
through the discovery process; or, as required by law.
Data that GM collects or receives may also be used for
GM research needs or may be made available to others
for research purposes, where a need is shown and the
data is not tied to a specic vehicle or vehicle owner.
OnStar®
If your vehicle has OnStar®and you subscribe to the
OnStar®services, please refer to the OnStar®Terms
and Conditions for information on data collection
and use. See alsoOnStar
®System on page 2-48in
this manual for more information.
Navigation System
If your vehicle has a navigation system, use of the
system may result in the storage of destinations,
addresses, telephone numbers, and other trip
information. Refer to the navigation system operating
manual for information on stored data and for deletion
instructions.
Radio Frequency
Identication (RFID)
RFID technology is used in some vehicles for functions
such as tire pressure monitoring and ignition system
security, as well as in connection with conveniences
such as key fobs for remote door locking/unlocking and
starting, and in-vehicle transmitters for garage door
openers. RFID technology in GM vehicles does not use
or record personal information or link with any other
GM system containing personal information.
7-17

Child Restraints (cont.)
Securing a Child Restraint in a
Rear Seat Position...................................1-44
Securing a Child Restraint in the
Right Front Seat Position..........................1-47
Where to Put the Restraint...........................1-36
Cigarette Lighter.............................................3-47
Cleaning
Aluminum or Chrome-Plated Wheels.............5-112
Exterior Lamps/Lenses................................5-111
Fabric/Carpet............................................5-108
Finish Care...............................................5-111
Instrument Panel, Vinyl, and Other
Plastic Surfaces.....................................5-109
Interior.....................................................5-107
Leather....................................................5-109
Speaker Covers.........................................5-110
Tires........................................................5-113
Underbody Maintenance.............................5-114
Washing Your Vehicle.................................5-110
Weatherstrips............................................5-110
Windshield and Wiper Blades......................5-112
Wood Panels............................................5-110
Climate Control System
Air Filter, Passenger Compartment.................3-55
Dual..........................................................3-48
Outlet Adjustment........................................3-54
Rear..........................................................3-54
Clock............................................................3-99
Collision Damage Repair..................................7-11Compact Spare Tire......................................5-106
Compass.................................................1-7, 2-41
Competitive Driving.........................................4-18
Competitive Driving Mode.................................. 4-7
Compressor Kit, Tire Sealant............................5-87
Control of a Vehicle.......................................... 4-3
Convenience Net............................................2-58
Coolant
Engine Temperature Gage............................3-67
Engine Temperature Warning Light.................3-66
Heater, Engine............................................2-31
Surge Tank Pressure Cap.............................5-29
Cooling System..............................................5-32
Cruise Control................................................3-17
Cruise Control, Forward Collision
Alert (FAC) System......................................3-10
Cruise Control Light........................................3-72
Cupholder(s)..................................................2-58
Customer Assistance Information
Courtesy Transportation.................................. 7-9
Customer Assistance for Text
Telephone (TTY) Users............................... 7-5
Customer Assistance Offices........................... 7-5
Customer Satisfaction Procedure..................... 7-2
GM Mobility Reimbursement Program............... 7-6
Reporting Safety Defects to General Motors.......7-14
Reporting Safety Defects to the
Canadian Government..............................7-14
Reporting Safety Defects to the
United States Government.........................7-14
3

Customer Assistance Information (cont.)
Roadside Service.......................................... 7-6
Service Publications Ordering Information........7-15
DDaytime Running Lamps..................................3-37
Defensive Driving............................................. 4-2
Disc, MP3....................................................3-112
Doing Your Own Service Work........................... 5-4
Door
Locks........................................................2-14
Power Door Locks.......................................2-14
Programmable Automatic Door Locks.............2-15
Rear Door Security Locks.............................2-15
Driver Information Center (DIC).........................3-74
DIC Operation and Displays..........................3-74
DIC Warnings and Messages........................3-80
Other Messages..........................................3-97
Driving
At Night.....................................................4-18
Before a Long Trip......................................4-20
Defensive..................................................... 4-2
Drunken....................................................... 4-2
Highway Hypnosis.......................................4-20
Hill and Mountain Roads..............................4-21
In Rain and on Wet Roads...........................4-19
Rocking Your Vehicle to Get it Out.................4-26
Winter........................................................4-22
Dual Climate Control System............................3-48
E
EDR .............................................................7-16
Electrical System
Add-On Equipment.....................................5-116
Fuses and Circuit Breakers.........................5-117
Headlamp Wiring.......................................5-117
Power Windows and Other Power Options....5-117
Rear Underseat Fuse Block.........................5-121
Underhood Fuse Block...............................5-118
Windshield Wiper Fuses.............................5-117
Engine
Air Cleaner/Filter.........................................5-23
Check and Service Engine Soon Light............3-68
Coolant......................................................5-25
Coolant Heater............................................2-31
Coolant Temperature Gage...........................3-67
Coolant Temperature Warning Light................3-66
Drive Belt Routing.......................................6-16
Engine Compartment Overview......................5-11
Exhaust.....................................................2-38
Oil .............................................................5-18
Oil Life System...........................................5-21
Overheated Protection Operating Mode...........5-31
Overheating................................................5-29
Running While Parked..................................2-39
Starting......................................................2-29
4

L
Labeling, Tire Sidewall.....................................5-59
Lamps
Exterior Lighting Battery Saver......................3-40
Inadvertent Power Battery Saver....................3-43
Reading.....................................................3-42
Twilight Sentinel
®........................................3-39
Lane Departure Warning..................................2-47
Lane Departure Warning Light..........................3-66
Lap-Shoulder Belt...........................................1-21
LATCH System
Child Restraints...........................................1-37
Lifting Your Vehicle, Tires.................................5-83
Light
Airbag Readiness........................................3-60
Antilock Brake System Warning.....................3-65
Brake System Warning.................................3-64
Charging System.........................................3-63
Cruise Control.............................................3-72
Engine Coolant Temperature Warning.............3-66
Fog Lamp..................................................3-72
Highbeam On.............................................3-72
Lane Departure Warning...............................3-66
Lights On Reminder.....................................3-72
Malfunction Indicator....................................3-68
Oil Pressure...............................................3-70Light (cont.)
Passenger Airbag Status Indicator..................3-61
Safety Belt Reminders..................................3-59
Security.....................................................3-71
TCS Warning Light......................................3-65
Tire Pressure..............................................3-67
Traction Control System (TCS) Warning..........3-65
Lighting
Entry.........................................................3-41
Parade Dimming..........................................3-41
Lights............................................................3-33
Flash-to-Pass..............................................3-13
High/Low Beam Changer................................ 3-9
On Reminder..............................................3-37
Limited-Slip Rear Axle....................................... 4-8
Loading Your Vehicle.......................................4-26
Lockout Protection..........................................2-16
Locks
Door..........................................................2-14
Lockout Protection.......................................2-16
Power Door................................................2-14
Programmable Automatic Door Locks.............2-15
Rear Door Security Locks.............................2-15
Loss of Control...............................................4-16
Lumbar
Power Controls............................................. 1-2
7

R
Radio Frequency Identication (RFID), Privacy......7-17
Radios..........................................................3-98
Radio(s).......................................................3-100
Radios
Navigation/Radio System, see
Navigation Manual..................................3-117
Radio Personalization.................................3-117
Reception.................................................3-123
Setting the Time..........................................3-99
Theft-Deterrent..........................................3-121
Rainsense™ II Wipers.....................................3-15
Reading Lamps..............................................3-42
Rear Axle......................................................5-51
Limited-Slip.................................................. 4-8
Rear Climate Control System............................3-54
Rear Door Security Locks................................2-15
Rear Heated Seats........................................... 1-7
Rearview Mirror, Automatic Dimming..................2-40
Rearview Mirror, Automatic Dimming
with OnStar
®..............................................2-40
Rearview Mirror, Automatic Dimming
with OnStar
®and Compass..........................2-41
Rearview Mirror with Compass and Temperature..... 1-7Reclining Seatbacks, Power............................... 1-4
Recommended Fluids and Lubricants.................6-13
Recreational Vehicle Towing.............................4-31
Remote, Keyless Access System........................ 2-5
Remote Vehicle Start.......................................2-12
Removing the Flat Tire and Installing
the Spare Tire.............................................5-99
Removing the Spare Tire and Tools...................5-98
Replacement Bulbs.........................................5-55
Replacement, Windshield.................................5-55
Reporting Safety Defects
Canadian Government..................................7-14
General Motors...........................................7-14
United States Government............................7-14
Restraint System Check
Checking the Restraint Systems....................1-66
Replacing Restraint System Parts
After a Crash..........................................1-67
Retained Accessory Power (RAP)......................2-29
Roadside
Service........................................................ 7-6
Rocking Your Vehicle to Get it Out....................4-26
Routing, Engine Drive Belt...............................6-16
Run-Flat Tires................................................5-65
Running the Engine While Parked.....................2-39
10