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:

    Automatic Dimming Rearview Mirror
    On vehicles with an automatic dimming inside rearview mirror the automatic dimming reduces the glare from the headlamps of the vehicle behind you. Vehicles with OnStar have three control bu ...

    Heated Seats
    Heated Front Seats The buttons are on the climate control panel. To operate, the ignition must be on. Press to heat the driver or passenger seat cushion and seatback. Indicator lights on the clim ...

    Using Universal Home Remote
    Press and hold the appropriate button for at least half of a second. The indicator light will come on while the signal is being transmitted. ...