OnStar Services

See also:

Storing the Spare Tire
WARNING The underbody-mounted spare tire needs to be stored with the valve stem pointing down. If the spare tire is stored with the valve stem pointing upwards, the secondary latch will not work prop ...

Instantaneous Economy and Active Fuel Managementâ„¢ Indicator
If the vehicle has this display, press the trip/fuel button until INST ECON V8 displays. This display shows the current fuel economy at a particular moment and will change frequently as driving condit ...

Windshield Wiper/Washer
Windshield Wiper/Washer The front wiper control is located on the turn and lane-change lever. The windshield wipers are controlled by turning the band with on it. : For a single wipe, turn to ...