2008 CADILLAC CTS trunk

Rear Seats
Split Folding Rear Seat
Your vehicle may have a split folding rear seat.
To lower one or both of the rear seatbacks:
1. Pull forward on the tab,
located on the outboard
side of the seatback,
to unlock the seatback.
Notice:Folding a rear seat with the safety belts
still fastened may cause damage to the seat or the
safety belts. Always unbuckle the safety belts
and return them to their normal stowed position
before folding a rear seat.
2. Fold the seatback down. This allows direct access
to the trunk.SeeTrunk on page 2-21for more information.
To return the seatback to the upright position:{CAUTION:
If the seatback is not locked, it could move
forward in a sudden stop or crash. That could
cause injury to the person sitting there. Always
push and pull on the seatback to be sure it is
locked.
1. Lift the seatback up and push it back into place.
2. Make sure the seatback is locked into place
by pushing and pulling on it.
3. Repeat Steps 1 and 3 for the other seatback.
When the seatback is not in use, it should be kept in
the upright, locked position.
1-11

Keys...............................................................2-4
Remote Keyless Entry (RKE) System................2-6
Remote Keyless Entry (RKE) System
Operation...................................................2-7
Keyless Access System...................................2-9
Keyless Access System Operation..................2-10
Remote Vehicle Start....................................2-16
Doors and Locks............................................2-18
Door Locks..................................................2-18
Central Door Unlocking System......................2-19
Power Door Locks........................................2-19
Delayed Locking...........................................2-19
Programmable Automatic Door Locks..............2-20
Rear Door Security Locks..............................2-20
Lockout Protection........................................2-21
Trunk..........................................................2-21
Windows........................................................2-24
Power Windows............................................2-25
Sun Visors...................................................2-27
Theft-Deterrent Systems..................................2-28
Theft-Deterrent System..................................2-28
Immobilizer..................................................2-29
Immobilizer Operation (Key Access)................2-30
Immobilizer Operation (Keyless Access)...........2-31Starting and Operating Your Vehicle................2-32
New Vehicle Break-In....................................2-32
Ignition Positions (Key Access).......................2-32
Ignition Positions (Keyless Access)..................2-34
Retained Accessory Power (RAP)...................2-35
Starting the Engine.......................................2-35
Engine Coolant Heater..................................2-37
Automatic Transmission Operation...................2-38
Manual Transmission Operation......................2-42
Parking Brake..............................................2-44
Shifting Into Park (Automatic Transmission)
......2-45
Shifting Out of Park......................................2-47
Parking the Vehicle (Manual Transmission).......2-47
Parking Over Things That Burn.......................2-48
Engine Exhaust............................................2-48
Running the Vehicle While Parked..................2-49
Mirrors...........................................................2-50
Automatic Dimming Rearview Mirror
with OnStar
®............................................2-50
Outside Power Mirrors...................................2-50
Park Tilt Mirrors............................................2-51
Outside Convex Mirror...................................2-51
Outside Heated Mirrors..................................2-51
Section 2 Features and Controls
2-1

Either of the following keys come with the vehicle.
This key is used for the
driver door, ignition, and
glove box.
This key, located inside the
keyless access transmitter,
is used for the driver door,
glove box, and rear seat
pass-through door. See
“Rear Seat Pass-Through
Door” underTrunk on
page 2-21for more
information.
2-5

"(Unlock):Press to unlock the driver’s door. If"is
pressed again within ve seconds, all remaining doors
unlock. The interior lamps come on and stay on for
20 seconds or until the ignition is turned on. If enabled
through the DIC, the parking lamps ash twice to indicate
unlocking has occurred. SeeDIC Vehicle Customization
on page 3-69.
V(Remote Trunk Release):Press and hold
for about one second to release the trunk lid.
The transmission must be in PARK (P).
L(Vehicle Locator/Panic Alarm):Press and release
to locate the vehicle. The turn signal lamps ash and
the horn sounds three times.
Press and hold
Lfor more than two seconds to
activate the panic alarm. The turn signal lamps ash
and the horn sounds for 30 seconds. The alarm turns off
when the ignition is moved to START or
Lis pressed
again. The ignition must be in LOCK/OFF for the
panic alarm to work.
Matching Transmitter(s) to Your
Vehicle
Each RKE transmitter is coded to prevent another
transmitter from unlocking the vehicle. If a transmitter is
lost or stolen, a replacement can be purchased through
your dealer/retailer. All transmitters need to be re-coded
to match the new transmitter.
The lost transmitter no longer works after the new
transmitters are re-coded. The vehicle can have a
maximum of eight transmitters matched to it. See
“Relearn Remote Key” underDIC Operation and
Displays on page 3-48.
Battery Replacement
Replace the battery if the Replace Battery In Remote
Key message displays in the DIC. See “Replace Battery
In Remote Key” underDIC Warnings and Messages
on page 3-56for additional information.
Notice:When replacing the battery, do not touch
any of the circuitry on the transmitter. Static
from your body could damage the transmitter.
2-8

If you ever notice a decrease in the keyless access
transmitter range, try doing one of the following:
Check the distance. You may be too far from your
vehicle. You may need to stand closer during
rainy or snowy weather.
Check the location. Other vehicles or objects may
be blocking the signal. Take a few steps to the
left or right, hold the transmitter higher, and
try again.
Check to determine if battery replacement is
necessary. See “Battery Replacement” under
Keyless Access System Operation on page 2-10.
Check to make sure that an electronic device such
as a cellular phone or lap top computer is not
causing interference.
If you are still having trouble, see your dealer/retailer
or a qualied technician for service.
Keyless Access System Operation
The Keyless Access System transmitter functions
will work up to 195 feet (60 m) away, however, the
operating range may be less while the vehicle is running.
The Keyless Access System also lets you lock and
unlock the vehicle’s doors and access the trunk without
removing the remote transmitter from your pocket, purse,
briefcase, etc. The system operates when a front door
handle is pulled or the remote trunk release button is
pressed. You must have the keyless access transmitter
with you and within 3 feet (1 m) of the door or trunk you
are opening. See “Keyless Locking” and “Keyless Unlock”
underDIC Vehicle Customization on page 3-69.
There are other conditions which can affect the
performance of the transmitter. SeeKeyless Access
System on page 2-9.
2-10

G(Trunk):Press and hold for about one second
to open the trunk while the engine is turned off or
the shift lever is in PARK (P).
L(Vehicle Locator/Panic Alarm):Press and release
to locate your vehicle. The horn will chirp three times
and the turn signal lamps will ash three times.
Press and hold
Lfor three seconds to sound the panic
alarm. The horn will chirp and the turn signal lamps
will ash for 30 seconds. Press and release
Lagain
to cancel the panic alarm.
Matching Transmitter(s) to Your
Vehicle
Each Keyless Access System is coded to allow only
transmitters programmed to your vehicle to work.
If a transmitter is lost or stolen, a replacement can be
purchased and programmed through your dealer/retailer.
Your dealer/retailer can reprogram your vehicle so
lost or stolen transmitters no longer work with your
vehicle. Each vehicle can have a maximum of four
transmitters matched to it.To match a new transmitter to your vehicle when
you have a recognized transmitter, do the following.
Two recognized transmitters are required for Canadian
owners.
1. The vehicle must be off.
2. Have the recognized transmitter and the new,
unrecognized transmitter(s) with you.
3. Insert the key into the key lock cylinder located on
the outside of the driver’s door.
4. Turn the key to the unlock position ve times within
ve seconds.
5. The Driver Information Center (DIC) will display
Ready To Learn Electronic Key #X, where X can
be2,3or4.
6. Place the new,
unrecognized
transmitter into the
transmitter pocket with
the transmitter buttons
facing the front of the
vehicle. The transmitter
pocket is inside the
center console storage
area located between
the driver and front
passenger seats.
2-12

When you want to open a rear door when the security
lock is on, do the following:
1. Unlock the door using the Remote Keyless Entry
(RKE) or Keyless Access System transmitter, if
the vehicle has one, the power door lock switch,
or the rear door manual lock.
2. Open the door from the outside.
To cancel the rear door security lock, do the following:
1. Unlock the door and open it from the outside.
2. Insert the key into the security lock slot and turn it
so the slot is in the vertical position.
Lockout Protection
If the power door lock switch is pressed when the key
is in the ignition and a door is open, all the doors will lock
and only the driver’s door will unlock. If you close the
doors, they can be locked by using the Remote Keyless
Entry (RKE) transmitter. Be sure to remove the key from
the ignition when locking your vehicle.
This feature can be overridden by pressing the lock
button on the RKE transmitter or by pressing the power
lock switch a second time.
On vehicles with a Keyless Access System, the system
can be programmed to alert you when all the doors
are closed and a transmitter has been left inside of the
vehicle. SeeDIC Vehicle Customization on page 3-69
for more information.
Trunk
{CAUTION:
It can be dangerous to drive with the trunk lid
open because carbon monoxide (CO) gas can
come into your vehicle. You cannot see or
smell CO. It can cause unconsciousness and
even death. If you must drive with the trunk
lid open or if electrical wiring or other cable
connections must pass through the seal
between the body and the trunk lid:
Make sure all other windows are shut.
Turn the fan on your heating or cooling
system to its highest speed and select the
control setting that will force outside air
into your vehicle. See Climate Control
System.
If you have air outlets on or under the
instrument panel, open them all the way.
SeeEngine Exhaust on page 2-48.
2-21

Trunk Lock Release
The remote trunk release
button is located on the
lower portion of the
driver’s door.
To use the remote trunk release, the shift lever must
be in PARK (P) or NEUTRAL (N) for a vehicle with
an automatic transmission. The shift lever must be
in NEUTRAL, with the parking brake set for a vehicle
with a manual transmission.
Press the button to open the trunk. You can also
press the button with the trunk symbol on the Remote
Keyless Entry (RKE) transmitter to open the trunk.
On vehicles with a Keyless Access System, squeeze
the trunk release button located on the rear of the trunk
lid above the license plate, as long as you have your
transmitter with you. Entry occurs when the buttonis being pressed and the vehicle recognizes the
transmitter. The vehicle must be in PARK (P) and
the valet mode turned off.
If your vehicle is ever without power, the trunk area
can still be manually accessed by using one of
the following procedures.
On vehicles with a rear seat pass-through door:
1. Fold the rear armrest down and open the
pass-through door. See “Rear-Seat Pass Through”
following for more information.
2. Reach upward through the opening to locate the
emergency trunk release handle. See “Emergency
Trunk Release Handle” for more information.
3. Pull forward on the trunk release handle to open
the trunk lid.
On vehicles with a split folding rear seat:
1. Fold down the rear seatback. SeeSplit Folding
Rear Seat on page 1-11for more information.
2. Reach upward through the opening to locate the
trunk release handle.
3. Pull forward on the trunk release handle to open
the trunk lid.
2-22