Buick LaCrosse: Programming with a Recognized 
Transmitter (Keyless Access 
Vehicles Only) - Remote Keyless Entry (RKE) System Operation - Keys and Locks - Keys, Doors, and Windows - Buick LaCrosse Owners ManualBuick LaCrosse: 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, must be with you.

1. Place the recognized transmitter(s) in the cupholder.

2. Insert the vehicle key of the new transmitter into the key lock cylinder located on the outside of the driver door and turn the key to the unlock position five times within 10 seconds.

The Driver Information Center (DIC) displays READY FOR REMOTE #2, 3, 4 or 5.

3. Place the new transmitter into the transmitter pocket. The transmitter pocket is located inside the center console storage area under the cupholder. The cupholder will need to be pulled out to access the transmitter pocket.

4. Press the ignition. When the transmitter is learned, the DIC will show that it is ready to program the next transmitter.

5. Remove the transmitter from the transmitter pocket and press To program additional.

To program additional transmitters, repeat Steps 3 through 5.

When all additional transmitters are programmed, press and hold the ignition for 10 seconds to exit programming mode.

    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 reprogramm ...

    Programming without a Recognized Transmitter (Keyless Access Vehicles Only)
    If there are no currently recognized transmitters available, follow this procedure to program up to five transmitters. This feature is not available in Canada. This procedure will take appro ...

    See also:

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    Removal method
    Vehicles without a smart key system: Turn the engine switch off. Vehicles with a smart key system: Turn the “ENGINE START STOP” switch off. Open the glove box and remove the glove box ...