See also:

Rear Window Defogger
For vehicles with a rear window defogger, a warming grid is used to remove fog from the rear window. (Rear): Press to turn the rear window defogger on or off. An indicator light on the button comes ...

Engine Overheating
If the vehicle has the Duramax® Diesel engine, see the Duramax Diesel Supplement for more information. The vehicle has several indicators to warn of engine overheating. There is a coolant temperatu ...

What to Use
When windshield washer fluid needs to be added, be sure to read the manufacturer's instructions before use. Use a fluid that has sufficient protection against freezing in an area where the temperature ...