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:
Removing the Third Row Seats
To remove a third row seat:
1. Remove the cargo management system, if available and installed. See Cargo Management System on page 4‑4.
2. Remove anything on or under the seat.
Notice: Foldin ...
How to Check Lubricant
To get an accurate reading, the vehicle should be on a level surface.
If the level is below the bottom of the fill plug hole, located on the transfer
case, the vehicle will need some lubricant ad ...
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 ...