See also:

Retrieve My Number
1. Push . System responds: “OnStar ready.” 2. Say “My Number.” System responds: “Your OnStar Hands-Free Calling number is.” ...

Remote Start Heated Seats
When it is cold outside, the heated seats can be programmed to turn on automatically during a remote vehicle start. The heated seats will be canceled when the ignition is turned on. Press the heat ...

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 ...