See also:

Climate Controls
The vehicle's heating, cooling, defrosting, and ventilation can be controlled with these systems. Climate Control System A. Fan Control B. Air Delivery Mode Controls C. Temperature Control ...

Anti-theft Alarm System Messages
THEFT ATTEMPTED This message displays if the vehicle detects a tamper condition. ...

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 ...