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:

    Using the USB Port
    For vehicles with a USB port, the connector is located in the instrument panel storage area. See Instrument Panel Storage on page 4‑1 for more information. Radios with a USB port can control a ...

    Interior
    The Yukon's dashboard has the same shape as its GM siblings. That's good news because the domed instrument panel, carlike dashboard and flush-mounted buttons make for a handsome design. This SUV ...

    Overview
    GMC unveiled the all-new 2007 Yukon and Yukon Denali full-size SUVs Oct. 5. They are based on GM's all-new full-size SUV family, which features distinctive styling, spacious and refined interiors, ...