Vehicle Security

This vehicle has theft-deterrent features; however, they do not make it impossible to steal.

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 ...

Starting the Vehicle
1. Press and release on the Remote Keyless Entry transmitter. 2. Press and hold for about two seconds. The turn signal lamps will briefly flash to confirm the vehicle has been started. The pa ...

Automatic Operation
The system automatically controls the fan speed, air delivery, air conditioning, and recirculation to heat or cool the vehicle to the selected temperature. When the AUTO indicator light is on, the ...