See also:

Front Fog Lamp Light
For vehicles with fog lamps, this light comes on when the fog lamps are in use. The light goes out when the fog lamps are turned off. See Fog Lamps  for more information. ...

General Information
For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people. Genuine GM parts have one of these marks: ...

How OnStar® Service Works
In order to provide you with OnStar® services, your vehicle’s OnStar® system has the capability of recording and transmitting vehicle information. This information is automatically sent to an ...