2005 CADILLAC STS heater

Keys...............................................................2-2
Keyless Access System...................................2-3
Keyless Access System Operation....................2-4
Doors and Locks............................................2-11
Door Locks..................................................2-11
Power Door Locks........................................2-11
Programmable Automatic Door Locks..............2-12
Rear Door Security Locks..............................2-12
Lockout Protection........................................2-13
Trunk..........................................................2-14
Windows........................................................2-16
Power Windows............................................2-17
Sun Visors...................................................2-18
Theft-Deterrent Systems..................................2-19
Theft-Deterrent System..................................2-19
Valet Lockout Switch.....................................2-21
Starting and Operating Your Vehicle................2-22
New Vehicle Break-In....................................2-22
Ignition Positions..........................................2-22
Retained Accessory Power (RAP)...................2-23
Starting the Engine.......................................2-24
Engine Coolant Heater..................................2-25
Automatic Transmission Operation...................2-26
All-Wheel Drive............................................2-29
Parking Brake..............................................2-29
Shifting Into Park (P).....................................2-30Shifting Out of Park (P).................................2-31
Parking Over Things That Burn.......................2-32
Engine Exhaust............................................2-33
Running the Engine While Parked...................2-34
Mirrors...........................................................2-35
Automatic Dimming Rearview Mirror with
OnStar
®...................................................2-35
Automatic Dimming Rearview Mirror with
OnStar
®and Compass...............................2-35
Outside Power Heated Mirrors........................2-37
Outside Automatic Dimming Mirror..................2-38
Outside Convex Mirror...................................2-38
Outside Parallel Park Assist Mirror..................2-38
OnStar
®System.............................................2-39
HomeLink®Wireless Control System...............2-41
HomeLink®Wireless Control System
Operation.................................................2-42
Storage Areas................................................2-45
Glove Box...................................................2-45
Cupholder(s)................................................2-45
Center Console Storage Area.........................2-45
Convenience Net..........................................2-45
Sunroof.........................................................2-46
Vehicle Personalization...................................2-47
Memory Seat, Mirrors and Steering Wheel.......2-65
Section 2 Features and Controls
2-1

Engine Coolant Heater
Your vehicle may be equipped with an engine coolant
heater.
In very cold weather, 0°F (−18°C) or colder, the engine
coolant heater can help. You will get easier starting
and better fuel economy during engine warm-up.
Usually, the coolant heater should be plugged in a
minimum of four hours prior to starting your vehicle.
At temperatures above 32°F (0°C), use of the coolant
heater is not required.
To Use the Engine Coolant Heater
1. Turn off the engine.
2. Open the hood and unwrap the electrical cord.
The cord is located in the engine compartment
on the driver’s side of the vehicle near the engine
oil dipstick. SeeEngine Compartment Overview
on page 5-12for more information on location.
You must remove the plastic cap to access the plug.
3. Plug it into a normal, grounded 110-volt AC outlet.
{CAUTION:
Plugging the cord into an ungrounded outlet
could cause an electrical shock. Also, the
wrong kind of extension cord could overheat
and cause a re. You could be seriously
injured. Plug the cord into a properly grounded
three-prong 110-volt AC outlet. If the cord will
not reach, use a heavy-duty three-prong
extension cord rated for at least 15 amps.
4. Before starting the engine, be sure to unplug and
store the cord as it was before to keep it away
from moving engine parts. If you do not, it could be
damaged.
How long should you keep the coolant heater plugged
in? The answer depends on the outside temperature, the
kind of oil you have, and some other things. Instead
of trying to list everything here, we ask that you contact
your dealer in the area where you will be parking
your vehicle. The dealer can give you the best advice
for that particular area.
2-25

Run your engine only as long as you must. This saves
fuel. When you run the engine, make it go a little faster
than just idle. That is, push the accelerator slightly. This
uses less fuel for the heat that you get and it keeps the
battery charged. You will need a well-charged battery to
restart the vehicle, and possibly for signaling later on with
your headlamps. Let the heater run for a while.
Then, shut the engine off and close the window almost all
the way to preserve the heat. Start the engine again and
repeat this only when you feel really uncomfortable from
the cold. But do it as little as possible. Preserve the fuel
as long as you can. To help keep warm, you can get out
of the vehicle and do some fairly vigorous exercises
every half hour or so until help comes.
If Your Vehicle is Stuck in Sand,
Mud, Ice or Snow
In order to free your vehicle when it is stuck, you will
need to spin the wheels, but you do not want to
spin your wheels too fast. The method known as rocking
can help you get out when you are stuck, but you
must use caution.
{CAUTION:
If you let your tires spin at high speed, they
can explode, and you or others could be
injured. And, the transmission or other parts of
the vehicle can overheat. That could cause an
engine compartment re or other damage.
When you are stuck, spin the wheels as little
as possible. Do not spin the wheels above
35 mph (55 km/h) as shown on the
speedometer.
Notice:Spinning your wheels can destroy parts of
your vehicle as well as the tires. If you spin the
wheels too fast while shifting your transmission
back and forth, you can destroy your transmission.
For more information about using tire chains on your
vehicle, seeTire Chains on page 5-73.
4-29

Engine Coolant
The cooling system in your vehicle is lled with
DEX-COOL®engine coolant. This coolant is designed
to remain in your vehicle for ve years or 150,000 miles
(240 000 km), whichever occurs rst, if you add only
DEX-COOL
®extended life coolant.
The following explains your cooling system and how to
add coolant when it is low. If you have a problem
with engine overheating, seeEngine Overheating on
page 5-24.
A 50/50 mixture of clean, drinkable water and
DEX-COOL
®coolant will:
Give freezing protection down to−34°F (−37°C).
Give boiling protection up to 265°F (129°C).
Protect against rust and corrosion.
Help keep the proper engine temperature.
Let the warning lights and gages work as
they should.
Notice:Using coolant other than DEX-COOL
®may
cause premature engine, heater core or radiator
corrosion. In addition, the engine coolant may
require changing sooner, at 30,000 miles (50 000 km)
or 24 months, whichever occurs rst. Any repairs
would not be covered by your warranty. Always use
DEX-COOL
®(silicate-free) coolant in your vehicle.
What to Use
Use a mixture of one-half clean, drinkable water and
one-half DEX-COOL®coolant which will not damage
aluminum parts. If you use this coolant mixture, you do
not need to add anything else.
{CAUTION:
Adding only plain water to your cooling
system can be dangerous. Plain water, or
some other liquid such as alcohol, can boil
before the proper coolant mixture will. Your
vehicle’s coolant warning system is set for the
proper coolant mixture. With plain water or the
wrong mixture, your engine could get too hot
but you would not get the overheat warning.
Your engine could catch re and you or others
could be burned. Use a 50/50 mixture of clean,
drinkable water and DEX-COOL
®coolant.
Notice:If you use an improper coolant mixture, your
engine could overheat and be badly damaged. The
repair cost would not be covered by your warranty.
Too much water in the mixture can freeze and crack
the engine, radiator, heater core and other parts.
5-22

When the engine is cold, the coolant level should be at
or slightly above the FULL COLD/FROID line on the
side of the coolant surge tank. If it is not, you may have
a leak at the pressure cap or in the radiator hoses,
heater hoses, radiator, water pump or somewhere else
in the cooling system.
{CAUTION:
Heater and radiator hoses, and other engine
parts, can be very hot. Do not touch them. If
you do, you can be burned.
Do not run the engine if there is a leak. If you
run the engine, it could lose all coolant. That
could cause an engine re, and you could be
burned. Get any leak xed before you drive the
vehicle.
If there seems to be no leak, with the engine on, check
to see if the electric engine cooling fans are running.
If the engine is overheating, both fans should be
running. If they are not, your vehicle needs service.Notice:Engine damage from running your engine
without coolant is not covered by your warranty. See
Overheated Engine Protection Operating Mode on
page 5-26for information on driving to a safe place
in an emergency.
Notice:Using coolant other than DEX-COOL
®may
cause premature engine, heater core or radiator
corrosion. In addition, the engine coolant may
require changing sooner, at 30,000 miles (50 000 km)
or 24 months, whichever occurs rst. Any repairs
would not be covered by your warranty. Always use
DEX-COOL
®(silicate-free) coolant in your vehicle.
How to Add Coolant to the Coolant
Surge Tank
If you have not found a problem yet, check to see if
coolant is visible in the surge tank. If coolant is visible
but the coolant level is not at the FULL COLD/FROID
line on the side of the coolant surge tank, add a
50/50 mixture ofclean, drinkable waterand DEX-COOL
®
coolant at the coolant surge tank, but be sure the
cooling system, including the coolant surge tank
pressure cap, is cool before you do it. SeeEngine
Coolant on page 5-22for more information.
5-28

{CAUTION:
Steam and scalding liquids from a hot cooling
system can blow out and burn you badly. They
are under pressure, and if you turn the coolant
surge tank pressure cap — even a little — they
can come out at high speed. Never turn the
cap when the cooling system, including the
coolant surge tank pressure cap, is hot. Wait
for the cooling system and coolant surge tank
pressure cap to cool if you ever have to turn
the pressure cap.
{CAUTION:
Adding only plain water to your cooling
system can be dangerous. Plain water, or
some other liquid such as alcohol, can boil
before the proper coolant mixture will.
CAUTION: (Continued)
CAUTION: (Continued)
Your vehicle’s coolant warning system is set
for the proper coolant mixture. With plain
water or the wrong mixture, your engine could
get too hot but you would not get the overheat
warning. Your engine could catch re and you
or others could be burned. Use a 50/50 mixture
of clean, drinkable water and DEX-COOL
®
coolant.
Notice:In cold weather, water can freeze and crack
the engine, radiator, heater core and other parts.
Use the recommended coolant and the proper
coolant mixture.
{CAUTION:
You can be burned if you spill coolant on hot
engine parts. Coolant contains ethylene glycol
and it will burn if the engine parts are hot
enough. Do not spill coolant on a hot engine.
5-29

Child Restraints (cont.)
Older Children.............................................1-26
Securing a Child Restraint Designed for
the LATCH System...................................1-40
Securing a Child Restraint in a Rear
Seat Position...........................................1-40
Securing a Child Restraint in the Right
Front Seat Position...................................1-43
Top Strap...................................................1-35
Top Strap Anchor Location............................1-37
Where to Put the Restraint...........................1-34
Cigarette Lighter.............................................3-49
Cleaning
Aluminum or Chrome-Plated Wheels..............5-91
Exterior Lamps/Lenses.................................5-89
Fabric/Carpet..............................................5-87
Finish Care.................................................5-89
Inside of Your Vehicle..................................5-85
Instrument Panel, Vinyl, and Other
Plastic Surfaces.......................................5-88
Leather......................................................5-87
Speaker Covers..........................................5-88
Tires..........................................................5-91
Underbody Maintenance...............................5-92
Washing Your Vehicle...................................5-89
Weatherstrips..............................................5-88
Windshield and Wiper Blades........................5-90
Wood Panels..............................................5-88Cleaning (cont.)
Climate Control System
Air Filter, Passenger Compartment.................3-58
Dual..........................................................3-50
Outlet Adjustment........................................3-56
Rear..........................................................3-57
Comfort Guides, Rear Safety Belt.....................1-23
Compact Spare Tire........................................5-84
Control of a Vehicle.......................................... 4-5
Convenience Net............................................2-45
Coolant
Engine Temperature Gage............................3-67
Engine Temperature Warning Light.................3-67
Heater, Engine............................................2-25
Surge Tank Pressure Cap.............................5-24
Cooling System..............................................5-27
Cruise Control................................................3-16
Cruise Control, Adaptive..................................3-20
Cruise Control, Forward Collision Alert (FAC)
System........................................................ 3-9
Cruise Control Light........................................3-72
Cupholder(s)..................................................2-45
Customer Assistance Information
Courtesy Transportation.................................. 7-7
Customer Assistance for Text
Telephone (TTY) Users............................... 7-4
Customer Assistance Offices........................... 7-4
Customer Satisfaction Procedure..................... 7-2
3

Customer Assistance Information (cont.)
GM Mobility Reimbursement Program............... 7-5
Reporting Safety Defects to
General Motors........................................7-10
Reporting Safety Defects to the
Canadian Government..............................7-10
Reporting Safety Defects to the
United States Government.........................7-10
Roadside Service.......................................... 7-5
Service Publications Ordering Information........7-11
D
Daytime Running Lamps..................................3-38
Defensive Driving............................................. 4-2
Diversity Antenna System...............................3-118
Doing Your Own Service Work........................... 5-4
Door
Locks........................................................2-11
Power Door Locks.......................................2-11
Programmable Automatic Door Locks.............2-12
Rear Door Security Locks.............................2-12
Driver
Position, Safety Belt.....................................1-13
Driver Information Center (DIC).........................3-73
DIC Controls and Displays............................3-74
DIC Warnings and Messages........................3-78
Other Messages..........................................3-91Driving
At Night.....................................................4-16
City...........................................................4-20
Defensive..................................................... 4-2
Drunken....................................................... 4-2
Freeway.....................................................4-21
Hill and Mountain Roads..............................4-23
In Rain and on Wet Roads...........................4-17
Rocking Your Vehicle to Get it Out.................4-30
Winter........................................................4-25
Dual Climate Control System............................3-50E
Electrical System
Add-On Equipment......................................5-95
Fuses and Circuit Breakers...........................5-95
Headlamp Wiring.........................................5-95
Power Windows and Other Power Options......5-95
Rear Underseat Fuse Block..........................5-99
Underhood Fuse Block.................................5-96
Windshield Wiper Fuses...............................5-95
Engine
Air Cleaner/Filter.........................................5-20
Battery.......................................................5-37
Check and Service Engine Soon Light............3-68
Coolant......................................................5-22
Coolant Heater............................................2-25
4