OnStar

See also:

Engine Oil Life System
The engine oil life system calculates engine oil life based on vehicle use and displays the CHANGE ENGINE OIL SOON message when it is time to change the engine oil and filter. The oil life system ...

Steering in Emergencies
There are some situations when steering around a problem may be more effective than braking. Holding both sides of the steering wheel allows you to turn 180 degrees without removing a hand. ...

Rear Window Wiper/Washer
The rear wiper controls are on the end of the windshield wiper lever. ON: Press the upper portion of the button for continuous rear window wipes. OFF: The rear wiper turns off when the butto ...