2008 BUICK LACROSSE key fob

Remote Keyless Entry (RKE)
System Operation
The Remote Keyless Entry (RKE) transmitter functions
will work up to 195 feet (60 m) away, however, the
operating range may be less while the vehicle is running.
There are other conditions which can affect the
performance of the transmitter. SeeRemote Keyless
Entry (RKE) System on page 2-4.
/(Remote Vehicle Start): If your vehicle has this
feature, press
/to start the engine from outside the
vehicle using the RKE transmitter. SeeRemote Vehicle
Start on page 2-8for additional information.
Q(Lock): PressQto lock all the doors. If enabled
through the Driver Information Center (DIC), the parking
lamps may ash once to indicate locking has occurred,
or the horn may chirp when
Qis pressed again
within ve seconds from the previous press of the lock
button. See “FOB LOCK FEEDBACK” underDIC
Vehicle Personalization on page 3-76for additional
information. If the vehicle has the content theft-deterrent
system, pressing
Qmay also arm it. SeeContent
Theft-Deterrent on page 2-20.
"(Unlock): Press"to unlock the driver’s door. If"is
pressed again within ve seconds, all remaining
doors will unlock. The interior lamps will come on and
stay on for 20 seconds or until the ignition is turned on.
If enabled through the DIC, the parking lamps can
be programmed to come on for a set amount of time
when the vehicle is unlocked using the RKE transmitter.
See “EXT (Exterior) LIGHT DELAY” underDIC
Vehicle Personalization on page 3-76. If the vehicle has
the content theft-deterrent system, pressing
"on the
RKE transmitter may disarm it. SeeContent
Theft-Deterrent on page 2-20. With Remote Start
Shown, Without Remote
Start Similar
2-5

Battery Replacement
Replace the battery if the KEY FOB BATT LOW
message displays in the DIC. See “KEY FOB BATTERY
LOW” underDIC Warnings and Messages on page 3-58
for additional information.
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.
To replace the battery in the RKE transmitter:
1. Separate the halves of the transmitter with a at,
thin object inserted into the notch on the side.
2. Remove the old battery. Do not use a metal object.
3. Insert the new battery, positive side facing up.
Replace with a CR2032 or equivalent battery.
4. Put the transmitter back together tightly.
2-7

KEY FOB BATTERY LOW
This message displays when the battery in the Remote
Keyless Entry (RKE) transmitter needs to be replaced.
To replace the battery, see “Battery Replacement” under
Remote Keyless Entry (RKE) System Operation on
page 2-5.
This message displays while the ignition is in ON/RUN.
Press any of the DIC buttons to acknowledge this
message and to clear it from the screen.
This message continues to display for two seconds if it
has not been acknowledged when the engine is
turned off. It also re-displays for two seconds if the
message has been acknowledged, but the condition still
exists when the engine is turned off.
If the condition still exists, the message re-appears
when the engine is turned on.
KEY IN IGNITION
This message displays and a chime sounds continuously
when the driver’s door is open and the key is in
ACC/ACCESSORY or LOCK/OFF.
This message cannot be acknowledged.
This message disappears and the chiming stops when
the key is removed from the ignition.
LEFT FRONT TURN LAMP OUT
This message displays when the left front turn signal
bulb needs to be replaced.
This message displays while the ignition is in ON/RUN.
Press any of the DIC buttons to acknowledge this
message and to clear it from the screen.
This message continues to display for two seconds if it
has not been acknowledged when the engine is
turned off. It also re-displays for two seconds if the
message has been acknowledged, but the condition still
exists when the engine is turned off.
If the condition still exists, the message re-appears
when the engine is turned on.
LEFT REAR TURN LAMP OUT
This message displays when the left rear turn signal
bulb needs to be replaced. SeeTaillamps, Turn Signal,
Sidemarker, Stoplamps and Back-up Lamps on
page 5-59.
This message displays while the ignition is in ON/RUN.
Press any of the DIC buttons to acknowledge this
message and to clear it from the screen.
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CONTENT THEFT
If your vehicle has the content theft-deterrent system,
once this feature is turned on, the system will activate
if someone tries to enter the vehicle without using
the Remote Keyless Entry (RKE) transmitter or the
correct key.
Press the option button until CONTENT THEFT appears
on the DIC display. Press the set/reset button to
scroll through the following settings:
OFF:The content theft-deterrent system will be
turned off.
ON (default):The content theft-deterrent system will be
turned on.
When ON is selected, the content theft-deterrent system
will be armed when the vehicle is locked by pressing
the lock button on the RKE transmitter or by pressing the
power door lock switch. SeeContent Theft-Deterrent
on page 2-20andPower Door Locks on page 2-11for
more information.
To select a setting and move on to the next feature,
press the option button while the desired setting
is displayed on the DIC.
FOB LOCK FEEDBACK
This feature allows you to select the type of feedback
you will receive when locking the vehicle with the
Remote Keyless Entry (RKE) transmitter.
Press the option button until FOB LOCK FEEDBACK
appears on the DIC display. Press the set/reset button to
scroll through the following settings:
OFF:There will be no feedback when locking the
vehicle.
LIGHTS:The exterior lamps will ash when you press
the lock button on the RKE transmitter.
LIGHTS and HORN (default):The exterior lamps will
ash when you press the lock button on the RKE
transmitter, and the horn will sound when the lock button
is pressed again within ve seconds of the previous
command.
To select a setting and move on to the next feature,
press the option button while the desired setting
is displayed on the DIC.
3-80

AUTO UNLOCK ON
This feature displays only if DRIVER or ALL was
selected for the AUTO DOOR UNLOCK feature. This
feature allows the selection of when the vehicle’s doors
will unlock.
Press the option button until AUTO UNLOCK ON
appears on the DIC display. Press the set/reset button
to scroll through the following settings:
KEY-OUT:The door(s) will unlock when the key is
taken out of the ignition.
PARK (default):The door(s) will unlock when the
vehicle is shifted into PARK (P).
To select a setting and move on to the next feature,
press the option button while the desired setting
is displayed on the DIC.
FOB UNLOCK ON 1ST PRESS
This feature allows the selection of which doors will
unlock on the rst press of the unlock button on
the Remote Keyless Entry (RKE) transmitter. See
Remote Keyless Entry (RKE) System Operation
on page 2-5for more information.Press the option button until FOB UNLOCK ON 1ST
PRESS appears on the DIC display. Press the set/reset
button to scroll through the following settings:
DRIVER (default):The driver’s door will unlock on the
rst press of the unlock button on the RKE transmitter.
ALL:All of the doors will unlock on the rst press of the
unlock button on the RKE transmitter.
To select a setting, press the option button while the
desired setting is displayed on the DIC. The DIC
will then display PRESS UNLOCK SWITCH ON KEY
FOB. Press the unlock button on the RKE transmitter
and the setting will be saved for that RKE transmitter.
After programming the last option, the message
PERSONAL OPTIONS SAVED appears on the DIC
display for a few seconds, then the display returns to the
PERSONAL PROGRAM main screen.
Exiting the Personal Program Menu
The personal program menu will be exited when any of
the following occurs:
The vehicle is shifted out of PARK (P).
The vehicle is no longer in ON/RUN.
The end of the personal program menu is reached.
3-83

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 2-43in 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.
7-19