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.
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:
Hitches
It is important to have the correct hitch equipment. Crosswinds, large trucks going by, and rough roads are a few reasons why the right hitch is needed.
• The rear bumper on the vehicle is not inte ...
Selecting the Alert Timing
The Collision Alert control is on the steering wheel. Press COLLISION ALERT to
set the alert timing to far, medium, near or off. The first button press shows the
current control setting on the D ...
General Information
This maintenance section applies to vehicles with a gasoline engine. For diesel engine vehicles, see the maintenance schedule section in the Duramax Diesel Supplement.
Your vehicle is an important in ...





