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:

    Rolling with the engine switched off
    WARNING There is no power assistance for the steering and the brake when the engine is not running. Steering and braking requires significantly more effort and you could lose control of the ...

    Using Cruise Control
    1. Push the CRUISE button on the steering wheel. The CRUISE MAIN indicator on the instrument panel comes on. The cruise control systemcan be left on, even when it is not in use. 2. Acceler ...

    The alarm system
    The alarm is automatically armed whenever the vehicle is locked with the remote key or optional Personal Car Communicator. When armed, the alarm continuously monitors a number of points on the vehi ...