Buick LaCrosse: How to Detect a Tamper Condition - Anti-theft Alarm System - Vehicle Security - Keys, Doors, and Windows - Buick LaCrosse Owners ManualBuick LaCrosse: How to Detect a Tamper Condition

If  horn is pressed and the horn sounds, an attempted break-in occurred while the system was armed.

If the alarm has been activated, a message will appear on the DIC.

See Anti-theft Alarm System Messages for additional information.

    Disarming the System
    To disarm the system, do one of the following: • Press on the RKE transmitter. • Approach the vehicle with the RKE transmitter (keyless access). • Start the engine. The alarm automati ...

    Immobilizer
    See Radio Frequency Statement for information regarding Part 15 of the Federal Communications Commission (FCC) rules and Industry Canada Standards RSS-GEN/210/220/310. ...

    See also:

    For CVT models
    This light illuminates when All-Wheel Drive is disengaged and the drive mechanism is switched to Front Wheel Drive for maintenance or similar purposes. This light flashes if the vehicle is driven ...

    Uconnect™ Phone — if equipped
    Uconnect™ Phone is a hands-free system that allows youto use voice commands to dial a phone number storedin your cellular phone. Press the Uconnect™ Phonebutton on the radio or steering wheel c ...

    Tachometer
    The tachometer displays the engine speed in revolutions per minute (rpm). Notice: If the engine is operated with the tachometer in the shaded warning area, the vehicle could be damaged, and the damag ...