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:

    Storing the position
    The mirror positions are stored in the key memory when the vehicle has been locked with the remote key. When the vehicle is unlocked with the same remote control the mirrors and the driver's s ...

    Seat Belt Warning Light/Beep
    The seat belt warning light illuminates and a beep sound will be heard if the driver's seat belt is not fastened when the ignition is switched ON. Conditions of operation Condition ...

    Door open warning light
    When the ignition switch is in the “ON” position, the door open warning light illuminates for approximately 2 seconds and then turns off. The door open warning light illuminates if any door, ...