See also:

Cooling System
If the vehicle has the Duramax® Diesel engine, see the Duramax® Diesel Supplement for more information. The cooling system allows the engine to maintain the correct working temperature. 5.3 L En ...

Making a Call
Calls can be made using the following commands. Dial or Call: The dial or call command can be used interchangeably to dial a phone number or a stored name tag. Digit Dial: This command allows a ph ...

Climate Control Systems
The heating, cooling, and ventilation in the vehicle can be controlled with this system. A. Fan Control B. Temperature Control C. Air Delivery Mode Control D. Air Conditioning E. REAR (Rear Cli ...