2009 CADILLAC STS seats

Rear Climate Control System
The vehicle has a rear climate control system. The base
model includes air outlets in the rear of the center console
for cooling and under-seat air outlets for heating. The
temperature, amount of airow, and the air delivery mode
is controlled automatically by the front climate control
system.
Some vehicles may have an optional climate control
panel for the rear passenger, located on the back of the
center console.
A. Temperature Control
B. Air Delivery Mode
ControlC. Heated Seat
D. Heated Seat
Indicator
9(Off):Turns off the airow to the rear seat
passengers. With the air delivery off there may be an
increase in the air rush sound of the front system.Temperature Control:Turn clockwise or
counterclockwise to increase or decrease the
temperature.
Air Delivery Mode Control:Turn to change the
direction of the airow for the rear seat passengers.
To change the current mode, select one of the following:
Y(Vent):Air is directed to the console outlets.
\(Bi-Level):Air is directed to the console and the
oor outlets.
[(Floor):Air is directed to the oor outlets.
The front climate control system automatically controls
the amount of airow to the rear seat passengers,
regardless of optional equipment. Airow to the rear
system turns off when defrost is selected on the front
climate control panel, in order to direct air to clear the
windshield.
z(Heated Seat):Press to turn on rear heated seats.
There are two buttons, each with three indicator lights,
located between the climate control knobs on the rear
climate control panel.
Keep the area under the front seats clear of any objects
so the air in the vehicle can circulate effectively.
3-53

{CAUTION:
Things you put inside the vehicle can strike
and injure people in a sudden stop or turn,
or in a crash.
Put things in the trunk of your vehicle.
In a trunk, put them as far forward as you
can. Try to spread the weight evenly.
Never stack heavier things, like
suitcases, inside the vehicle so that some
of them are above the tops of the seats.
Do not leave an unsecured child restraint
in the vehicle.
When you carry something inside the
vehicle, secure it whenever you can.
Do not leave a seat folded down unless
you need to.
Towing
Towing Your Vehicle
Consult your dealer/retailer or a professional towing
service if the disabled vehicle needs to be towed.
SeeRoadside Service on page 7-7.
To tow the vehicle behind another vehicle for
recreational purposes (such as behind a motorhome),
see Recreational Vehicle Towing following.
Recreational Vehicle Towing
Recreational vehicle towing means towing the vehicle
behind another vehicle – such as behind a motorhome.
The two most common types of recreational vehicle
towing are known as “dinghy towing” — towing the
vehicle with all four wheels on the ground, and “dolly
towing” — towing the vehicle with two wheels on the
ground and two wheels up on a device known as
a “dolly”.
4-29

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 Tire 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. SeeInflation - Tire Pressure on
page 5-64.
Curb Weight
: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.
5-59

Rear Underseat Fuse Block
Removing the Rear Seat Cushion
Notice:If you touch the exposed wires with the
metal on the seat cushion, you could cause a
short that could damage the battery and or wires.
Avoid contact between the rear seat and the
fuse center whenever you remove or reinstall
the rear seat. Do not remove covers from any
of the covered parts, and do not store anything
under the seats.
To remove the rear seat cushion, do the following:
1. Pull up on the front of the cushion to release the
front hooks.
2. Pull the cushion up and out toward the front of the
vehicle.To reinstall the rear seat cushion, do the following:
5-128

Fuses Usage
ELC EXHElectronic Level Control,
Exhaust Solenoid (Option)
DDMDriver Door Module, Front Door
SubWoofers (Option)
TV/VICS/SCMInfotainment (Export Only),
Supervisory Control Module (Option)
REAR
HTD/SEATSRear Heated Seats
SPARE Spare
SPARE Spare
IGN3Front Passenger Heated Seat,
Auto Shifter, Occupant Protection,
Electronic Tension Reducer for
Seatbelt
REAR SHLF
SPKRRear Shelf Speaker (Option)
MSM Memory Seat Module Lumbar
TRUNK
RELSE SWTrunk Release, Valet Lockout
Switch
BCK/UP LAMPReverse Lamps, Rear Parking Aid,
Inside Rearview Mirrors
AIR BAG/BATT Airbag
POS LAMPS Rear Taillamps
ELC CMPRSR Automatic Level Control (Option)Relays Usage
INCLR PUMP Inner Cooler Pump (Option)
ELC CMPRSRElectronic Level Control,
Compressor (Option)
LT POSLeft Rear Taillamp, Position
Lamps (Option)
RT POSRight Rear Taillamp, Position
Lamps (Option)
RUN Ignition 3
STDBY LAMPRear Taillamps, Position
Lamps (Option)
TRUNK RELSE Trunk Release Motor
BCK/UP LAMPReverse Lamps, Rear Parking Aid,
Inside Rearview Mirror
Circuit
BreakersUsage
PWR SEATS Power Seats
Diodes Usage
SPARE Spare
Joint
ConnectorUsage
J/C Splice Pack (Green)
5-131

G
Gage
Engine Coolant Temperature.........................3-65
Fuel..........................................................3-71
Speedometer..............................................3-57
Tachometer.................................................3-57
Garage Door Opener.......................................2-53
Gasoline
Octane........................................................ 5-5
Specications............................................... 5-6
Glove Box.....................................................2-60
GM Mobility Reimbursement Program.................. 7-7
H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-5
Headlamp
Aiming .......................................................5-50
Headlamp Wiring...........................................5-113
Headlamps....................................................3-32
Bulb Replacement.......................................5-51
Daytime Running Lamp................................3-36
Flash-to-Pass..............................................3-13
Halogen Bulbs............................................5-51
High Intensity Discharge (HID) Lighting...........5-51
High/Low Beam Changer................................ 3-9Headlamps (cont.)
On Reminder..............................................3-36
Washer......................................................3-16
Wiper Activated...........................................3-36
Head-Up Display (HUD)...................................3-43
Heated Seats................................................... 1-3
Heated Steering Wheel..................................... 3-7
Heater...........................................................3-48
Engine Coolant...........................................2-29
Highbeam On Light.........................................3-70
High-Speed Operation, Tires.............................5-65
Highway Hypnosis...........................................4-19
Hill and Mountain Roads..................................4-20
Hood
Checking Things Under................................5-10
Release.....................................................5-11
Horn ............................................................... 3-6
How to Wear Safety Belts Properly...................1-12
I
Ignition Positions.............................................2-26
Immobilizer....................................................2-24
Immobilizer Operation......................................2-24
Inadvertent Power Battery Saver.......................3-42
Infants and Young Children, Restraints...............1-31
Ination - Tire Pressure...................................5-64
Inator Kit, Tire...............................................5-87
6

Power (cont.)
Reclining Seatbacks...................................... 1-4
Retained Accessory.....................................2-27
Seat ............................................................ 1-2
Steering Fluid.............................................5-37
Tilt Wheel and Telescopic Steering Column....... 3-6
Windows....................................................2-19
Privacy..........................................................7-16
Event Data Recorders..................................7-17
Navigation System.......................................7-18
OnStar .......................................................7-18
Radio Frequency Identication.......................7-18
Programmable Automatic Door Locks.................2-14
R
Radio Frequency Identication (RFID), Privacy......7-18
Radio(s)........................................................3-98
Radios
Navigation/Radio System, see Navigation
Manual.................................................3-116
Radio Personalization.................................3-126
Reception.................................................3-133
Setting the Clock.........................................3-98
Theft-Deterrent..........................................3-130
Rainsense™ II Wipers.....................................3-14
Reading Lamps..............................................3-41Rear Axle......................................................5-48
Limited-Slip.................................................4-12
Rear Climate Control System............................3-53
Rear Door Security Locks................................2-14
Rear Heated Seats........................................... 1-6
Rearview Mirror, Automatic Dimming..................2-38
Rearview Mirror with Compass and
Temperature................................................. 1-6
Reclining Seatbacks, Power............................... 1-4
Recommended Fluids and Lubricants.................6-13
Recreational Vehicle Towing.............................4-29
Remote, Keyless Access System........................ 2-4
Remote Vehicle Start.......................................2-11
Removing the Flat Tire and Installing
the Spare Tire.............................................5-97
Removing the Spare Tire and Tools...................5-96
Replacement Bulbs.........................................5-52
Replacement Parts, Maintenance......................6-15
Replacement, Windshield.................................5-52
Reporting Safety Defects
Canadian Government..................................7-15
General Motors...........................................7-15
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...............................2-27
10

Roadside
Service........................................................ 7-7
Rocking Your Vehicle to Get it Out....................4-24
Routing, Engine Drive Belt...............................6-16
Run-Flat Tires................................................5-62
Running the Vehicle While Parked.....................2-37
S
Safety Belt Reminders.....................................3-57
Safety Belts
Care of ....................................................5-108
How to Wear Safety Belts Properly................1-12
Lap-Shoulder Belt........................................1-21
Safety Belt Extender....................................1-27
Safety Belt Use During Pregnancy.................1-27
Safety Belts Are for Everyone......................... 1-7
Safety Warnings and Symbols.............................. iv
Scheduled Maintenance..................................... 6-4
Seats
Head Restraints............................................ 1-5
Heated and Ventilated Seats........................... 1-3
Heated Seats............................................... 1-3
Heated Seats - Rear..................................... 1-6
Memory .....................................................2-77
Power Lumbar .............................................. 1-2
Power Reclining Seatbacks............................. 1-4
Power Seats................................................. 1-2Securing a Child Restraint
Rear Seat Position......................................1-45
Right Front Seat Position..............................1-47
Security Light.................................................3-69
Service........................................................... 5-3
Accessories and Modications......................... 5-3
Adding Equipment to the Outside of
the Vehicle................................................ 5-5
California Perchlorate Materials
Requirements............................................ 5-4
California Proposition 65 Warning.................... 5-4
Doing Your Own Work................................... 5-4
Engine Soon Lamp......................................3-66
Publications Ordering Information...................7-15
Service, Scheduling Appointments.....................7-10
Servicing Your Airbag-Equipped Vehicle..............1-64
Setting the Clock............................................3-98
Sheet Metal Damage.....................................5-111
Shifting Into Park............................................2-34
Shifting Out of Park........................................2-35
Side Blind Zone Alert......................................2-44
Signals, Turn and Lane-Change.......................... 3-8
Spare Tire
Compact...................................................5-104
Installing....................................................5-97
Removing...................................................
5-96
Storing.....................................................5-102
Specications, Capacities...............................5-124
Speedometer..................................................3-57
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