See also:

Engine Coolant Temperature Warning Light
For eAssist vehicles, this light comes on briefly while starting the vehicle. If it does not, have the vehicle serviced by the dealer. If the system is working normally, the indicator lig ...

Engine Overheating
The vehicle has several indicators to warn of engine overheating. You will find a warning light about a hot engine as well as an engine coolant temperature gage on the instrument panel cluster. ...

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