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:

    Recommended Fluids and Lubricants
    ...

    Warranty
    OnStar equipment may be warranted as part of the new-vehicle limited warranty. The manufacturer of the vehicle furnishes detailed warranty information. ...

    Navigation System
    If the vehicle has a navigation system, there is a separate navigation system manual that includes information on the radio, audio players, and navigation system. The navigation system prov ...