2008 CADILLAC XLR key fob

Matching Transmitter(s) to Your Vehicle
Each keyless access transmitter is coded to prevent
another transmitter from working with your vehicle.
If a transmitter is lost or stolen, a replacement can be
purchased through your dealer/retailer. Remember
to bring any remaining transmitters with you when you
go to your dealer/retailer. Once your dealer/retailer
has coded the new transmitter, the lost transmitter will
not 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: Two recognized
transmitters are required for Canadian owners.
1. The vehicle must be off.
2. Have the recognized and new, unrecognized
transmitters on your person.
3. Go to the rear of the vehicle and insert the vehicle
key into the key cylinder located on the lower
rear fascia on the driver’s side of the vehicle.
SeeTrunk on page 2-13for more information on
the key cylinder.
4. Open the trunk.
5. Turn the key ve times within ve seconds.
6. The Driver Information Center (DIC) will display
READY FOR FOB #X. X can be 2, 3 or 4.7. Place the new, unrecognized transmitter in the
glove box transmitter pocket with the buttons
facing to the right.
8. Once the transmitter is programmed, a beep will
sound. The DIC will display READY FOR #X,
where X can be 3 or 4, or MAX # FOBS LEARNED.
9. Press the Acc. button.
2-7

The Canadian immobilizer standard requires Canadian
owners to see their dealer/retailer for matching new
transmitters when two recognized transmitters are not
available. United States owners are permitted to match a
new transmitter to their vehicle when a recognized
transmitter is not available. The procedure will require
three ten minute cycles to complete the matching
process. Do the following:
1. The vehicle must be off.
2. Place the new, unrecognized transmitter in the
glove box transmitter pocket with the buttons
facing to the right.3. Go to the rear of the vehicle and insert the vehicle
key into the key cylinder located on the lower
rear fascia on the driver’s side of the vehicle.
SeeTrunk on page 2-13for more information on
the key cylinder.
4. Open the trunk.
5. Turn the key ve times within ve seconds.
6. The DIC message will display OFF-ACC TO LEARN.
7. Press the Acc. button.
8. The DIC will read WAIT 10 MINUTES and will
count down to zero, one minute at a time.
9. The DIC will display OFF-ACC TO LEARN again.
10. Press the Acc. button.
11. The DIC will read WAIT 10 MINUTES and will
count down to zero, one minute at a time.
12. The DIC will display OFF-ACC TO LEARN again.
13. Press the Acc. button.
14. The DIC will read WAIT 10 MINUTES and will
count down to zero, one minute at a time.
15. A beep will sound and the DIC will read READY
FOR FOB #1. At this time, all previously known
transmitters have been erased.
16. Once the transmitter is recognized and
programmed, a beep will sound and the DIC will
display READY FOR FOB #2.
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If you have additional transmitters to program, take
transmitter 1 out of the transmitter pocket and place
transmitter 2 in the pocket. This can be done repeatedly
until up to four transmitters have been programmed.
The DIC will then display MAX # FOBS LEARNED and
will exit the programming mode.
When you are done programming transmitters, press
the Acc. button.
Battery Replacement
Under normal use, the battery in your keyless access
transmitter should last about three years.
You can tell the battery is weak if the transmitter will not
work at the normal range in any location. If you have
to get close to your vehicle before the transmitter works,
it is probably time to change the battery.
A weak battery may also cause the DIC to display
NO FOB DETECTED when you try to start the vehicle.
If this happens, place the transmitter in the glove box
transmitter pocket with the buttons facing to the right.
Then, with the vehicle in PARK (P) or NEUTRAL (N),
press the brake pedal and the START button. Although
this will start the vehicle, it is recommended that you
replace the transmitter battery as soon as possible.
The DIC may display FOB BATTERY LOW.
Notice:When replacing the battery, use care not to
touch any of the circuitry. Static from your body
transferred to these surfaces may damage the
transmitter.1. Insert a at object with a thin edge into the slot on
the side of the transmitter and separate the bottom
half from the top half.
2. Gently pull the battery out of the transmitter.
3. Put the new battery in the transmitter, positive (+)
side down. Use a battery, type CR2032, or
equivalent.
4. Reassemble the transmitter. Make sure to put it
together so water will not get in.
5. Test the transmitter.
2-9

Immobilizer Operation
Your vehicle has a passive theft-deterrent system.
The system is automatically armed when the ignition
mode transitions to OFF.
The immobilization system is disarmed when the ignition
mode transitions to ACCESSORY or START and a
valid transmitter is found in the vehicle.
You do not have to manually arm or disarm the system.
The security light will come on if there is a problem
with arming or disarming the theft-deterrent system.
The system has one or more keyless access
transmitters that are matched to an immobilizer control
unit in your vehicle. Only a correctly matched keyless
access transmitter will start the vehicle. If the keyless
access transmitter is ever damaged, you may not
be able to start your vehicle.
When trying to start the vehicle, if the engine does
not start and the security light comes on, there may
be a problem with your immobilizer system. Press the
START button again.If the vehicle does not start and the keyless access
transmitter appears to be undamaged, try another
keyless access transmitter. Or, you may try placing the
transmitter in the transmitter pocket. See “NO FOBS
DETECTED” underDIC Warnings and Messages
on page 3-63for additional information. At this time,
you may also want to check the fuse. SeeFuses
and Circuit Breakers on page 6-90. If the engine
still does not start with the other transmitter, your
vehicle needs service. If the engine does start, the
rst transmitter may be faulty. See your dealer/retailer
who can service the theft-deterrent system and
have a new keyless access transmitter programmed
to the vehicle.
It is possible for the immobilizer system to learn new or
replacement keyless access transmitters. Up to 4 keyless
access transmitters can be programmed for the vehicle.
To program additional transmitters, see “Matching
transmitter(s) to Your Vehicle” underKeyless Access
System Operation on page 2-6.
Do not leave the key or device that disarms or
deactivates the theft deterrent system in the vehicle.
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Cell phone chargers can interfere with the operation of
the Keyless Access System. Battery chargers should
not be plugged in when starting or turning off the engine.
To start you vehicle, do the following:
Starting Procedure
1. With your foot on the brake pedal, press the
START button located on the instrument panel.
If there is not a keyless access transmitter in
the vehicle or if there is something causing
interference with it, the DIC will display NO FOBS
DETECTED. SeeDIC Warnings and Messages
on page 3-63for more information.
2. When the engine begins cranking, let go of the
button and the engine cranks automatically until
it starts. If the battery in the keyless access
transmitter is weak, the DIC displays KEY FOB
BATTERY LOW. You can still drive the vehicle.
See “Battery Replacement” underKeyless Access
System Operation on page 2-6for more information.
If the fob battery is dead, you need to insert the
fob into the fob slot to enable engine starting.
See “No Fobs Detected” underDIC Warnings and
Messages on page 3-63.3. Do not race the engine immediately after starting it.
Operate the engine and transmission gently until
the oil warms up and lubricates all moving parts.
4. If the engine does not start and no DIC message is
displayed, wait 15 seconds before trying again to let
the cranking motor cool down.
If the engine does not start after 5-10 seconds,
especially in very cold weather (below 0°F or−18°C),
it could be ooded with too much gasoline. Try
pushing the accelerator pedal all the way to the oor
while cranking for up to 15 seconds maximum. Wait
at least 15 seconds between each try, to allow the
cranking motor to cool down. When the engine starts,
let go of the accelerator. If the vehicle starts briey
but then stops again, do the same thing. This clears
the extra gasoline from the engine.
Notice:Cranking the engine for long periods of
time, by pressing the START button immediately
after cranking has ended, can overheat and damage
the cranking motor, and drain the battery. Wait at
least 15 seconds between each try, to allow the
cranking motor to cool down.
2-25

Your vehicle has a Computer-Controlled Cranking
System. This feature assists in starting the engine and
protects components. Once cranking has been initiated,
the engine continues cranking for a few seconds or until
the vehicle starts. If the engine does not start, cranking
automatically stops after 15 seconds to prevent cranking
motor damage. To prevent gear damage, this system
also prevents cranking if the engine is already running.
Notice:The engine is designed to work with the
electronics in your vehicle. If you add electrical parts
or accessories, you could change the way the engine
operates. Before adding electrical equipment, check
with your dealer/retailer. If you do not, your engine
might not perform properly. Any resulting damage
would not be covered by your vehicle’s warranty.
Stopping Your Engine
Move the shift lever to PARK (P) and press the Acc.
button located on the instrument panel. If the shifter is
not in PARK (P), the engine shuts off and the vehicle
goes into the Accessory Mode. The DIC displays SHIFT
TO PARK. Once the shifter is moved to PARK (P),
the vehicle turns off.
The DIC displays NO FOB, OFF OR RUN?, if the
keyless access transmitter is not detected inside the
vehicle when it is turned off.
SeeDIC Warnings and Messages on page 3-63for
more information.
Automatic Transmission Operation
There are several different positions for the shift lever.
PARK (P):This position locks the rear wheels. It is
the best position to use when you starting the engine
because your vehicle cannot move easily.
2-26

Emissions Inspection and
Maintenance Programs
Some state/provincial and local governments have
or might begin programs to inspect the emission
control equipment on your vehicle. Failure to pass
this inspection could prevent you from getting a
vehicle registration.
Here are some things you need to know to help
your vehicle pass an inspection:
Your vehicle will not pass this inspection if the check
engine light is on or not working properly.
To perform a check engine light bulb check with the
keyless ignition, make sure the transmitter fob is
in the passenger compartment. SeeIgnition Positions
on page 2-23. Press the bottom of the Acc. button
on the instrument panel and hold the button down for
ve seconds. The instrument panel, including the check
engine light, will light up and the ignition will be on,but the engine will not start — if you press the bottom
of the Acc. button only briey, less than ve seconds,
the accessory power mode will be turned on, but not
the ignition. After the bulb check, be sure to press and
release the Acc. button again to turn the ignition off
and avoid draining the vehicle’s battery.
Your vehicle will not pass this inspection if the
OBD (on-board diagnostic) system determines that
critical emission control systems have not been
completely diagnosed by the system. The vehicle would
be considered not ready for inspection. This can
happen if you have recently replaced the battery or
if the battery has run down. The diagnostic system is
designed to evaluate critical emission control systems
during normal driving. This may take several days
of routine driving. If you have done this and your
vehicle still does not pass the inspection for lack of
OBD system readiness, your dealer/retailer can prepare
the vehicle for inspection.
3-56

LOW WASHER FLUID
This message displays when the windshield washer
uid is low. Fill the windshield washer uid reservoir as
soon as possible. SeeEngine Compartment Overview
on page 6-12for the location of the windshield
washer uid reservoir. Also, seeWindshield Washer
Fluid on page 6-36for more information.
MAX (Maximum) SPEED
XX MPH (XX KM/H)
This message displays when a failure in the magnetic
ride control system has occurred. The Powertrain
Control Module (PCM) determines the speed to which
your vehicle is limited. Have your vehicle serviced
by your dealer/retailer if this message appears.
NO FOB DETECTED
This message displays if the vehicle does not detect the
presence of a keyless access transmitter when you
have attempted to start the vehicle or a vehicle door has
just closed. The following conditions may cause this
message to appear:
Driver-added equipment plugged into the accessory
power outlet on the center console is causing
interference. Examples of these devices are cell
phones and cell phone chargers, two-way radios,
power inverters, or similar items. Try moving the
keyless access transmitter away from these devices
when starting the vehicle. In addition, PDA devices
and remote garage and gate openers may also
generate Electromagnetic Interference (EMI) that
may interfere with the keyless access transmitter.
Do not carry the keyless access transmitter in the
same pocket or bag as these devices.
The vehicle is experiencing Electromagnetic
Interference (EMI). Some locations, such as airports,
automatic toll booths, and some gas stations, have
EMI elds which may interfere with your keyless
access transmitter.
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