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:

    Service Bulletins
    Service Bulletins give additional technical service information needed to knowledgeably service General Motors cars and trucks. Each bulletin contains instructions to assist in the diagnosis ...

    Insuring Your Vehicle
    Protect your investment in your GM vehicle with comprehensive and collision insurance coverage. There are significant differences in the quality of coverage afforded by various insurance policy ...

    Steering Wheel Controls
    For vehicles with audio steering wheel controls, some audio controls can be adjusted at the steering wheel. (Push to Talk): For vehicles with a Bluetooth, OnStar, or navigation system, press to in ...