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:

    Trunk lid (Legacy)
    WARNING ● To prevent dangerous exhaust gas from entering the vehicle, always keep the trunk lid closed while driving. ● Help prevent children, adults or animals from locking themselves ...

    Service Parts Identification Label
    This label, located either in the glove box or the trunk area, has the following information: ► Vehicle Identification Number (VIN). ► Model designation. ► Paint information. ...

    The tire pressure warning light may come on due to natural causes (vehicles with a tire pressure warning system)
    The tire pressure warning light may come on due to natural causes such as natural air leaks and tire inflation pressure changes caused by temperature. In this case, adjusting the tire inflation pre ...