Buick LaCrosse: Programming Transmitters to 
the Vehicle - Remote Keyless Entry (RKE) System Operation - Keys and Locks - Keys, Doors, and Windows - Buick LaCrosse Owners ManualBuick LaCrosse: Programming Transmitters to the Vehicle

Only RKE transmitters programmed to the vehicle will work. If a transmitter is lost or stolen, a replacement can be purchased and programmed through your dealer.

The vehicle can be reprogrammed so that lost or stolen transmitters no longer work. Any remaining transmitters will need to be reprogrammed. Each vehicle can have up to five transmitters matched to it.

    Keyless Trunk Opening
    Lift up on the touch pad located above the license plate to open the trunk if the RKE transmitter is within range. ...

    Programming with a Recognized Transmitter (Keyless Access Vehicles Only)
    A new transmitter can be programmed to the vehicle when there is one recognized transmitter. To program, the vehicle must be off and all of the transmitters, both currently recognized and new ...

    See also:

    Rear window side seating position
    1) Head restraint 2) Release button To raise: Pull the head restraint up. To lower: Push the head restraint down while pressing the release button on the top of the seatback. To remove: Whil ...

    Rear seat air conditioner (if so equipped)
    The rear seat passengers can adjust the climate control system using the climate controls in the rear armrest panel. 1. AUTO button. 2. button. 3. switch. For information on canceling the rear ...

    How to use the STATUS button
    To display the status of the audio, climate control system and fuel consumption, press the STATUS button. The following information will appear when the STATUS button is pressed multiple times: ...