OnStar

See also:

Traction Control System (TCS)/StabiliTrak® Light
The Traction Control System (TCS)/ StabiliTrak Light comes on briefly when the engine is started. If the light does not come on, have the vehicle serviced by the dealer. If the system is working n ...

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. ...

Trip/Fuel Menu Items
Press MENU on the turn signal lever until the Trip/Fuel Menu is displayed. Use to scroll through the following menu items: Digital Speedometer Trip 1 Trip 2 Fuel Range Average Fuel Eco ...