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:

    To Stop Playing a USB Flash Memory Device
    To play the radio, press the FM/AM, or button. Press the CD button to switch to the disc mode. Press the AUX button to switch back to the USB. If you reconnect the same USB flash memory ...

    Exhaust pipe and muffler
    Visually inspect the exhaust pipes, muffler and hangers for cracks, deterioration, or damage. Start the engine and listen carefully for any exhaust gas leakage. Tighten connections or replace part ...

    General notes
    If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged. •► Check the b ...