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.

    See also:

    Remote Left In Vehicle
    This allows the Remote Left In Vehicle reminder feature to be turned on or off. If on, the horn will chirp if a remote is left in the vehicle. Press SELECT when Remote Left In Vehicle is hi ...

    Lane Departure Warning (LDW) Light
    For vehicles with the lane departure warning system, this light briefly comes on green, while starting the vehicle, to indicate that it is working. If it does not, have the vehicle servic ...

    Retrieve My Number
    1. Push . System responds: “OnStar ready.”. 2. Say “My Number.” System responds: “Your OnStar Hands-Free Calling number is.” ...