Testing the Alarm

To test the alarm:

1. From inside the vehicle, lower the driver side window, and open the driver door.

2. Press 3. Get out of the vehicle, close the door, and wait for the security light to go out..

3. Get out of the vehicle, close the door, and wait for the security light to go out.

4. Reach in through the window, unlock the door with the manual door lock, and open the door.

This should set off the alarm.

If the alarm does not sound when it should, but the headlamps flash, check to see if the horn works.

The horn fuse may be blown.

To replace the fuse, see Fuses and Circuit Breakers on page 10‑31.

If the alarm does not sound or the headlamps do not flash, see your dealer for service.

    See also:

    Reporting Safety Defects to General Motors
    In addition to notifying NHTSA (or Transport Canada) in a situation like this, please notify General Motors. Call 1-800-GMC-8782 (1-800-462-8782), or write: GMC Customer Assistance Center P.O. Box ...

    Repair Facility
    GM also recommends that you choose a collision repair facility that meets your needs before you ever need collision repairs. Your dealer may have a collision repair center with GM-trained technicians ...

    Cruise Control
    Cruise Control : Press to turn cruise control on and off. The indicator comes on when cruise control is on. + RES: Press briefly to make the vehicle resume to a previously set speed, or press and ...