OnStar Services

See also:

California Fuel Requirements
If the vehicle is certified to meet California Emissions Standards, it is designed to operate on fuels that meet California specifications. See the underhood emission control label. If this fuel i ...

Rear Storage
For vehicles with a rear storage area, it is located in the rear cargo area of the vehicle on the driver side. Turn the knobs and pull the storage door to access. The door can be removed. ...

Calibrate Compass
The vehicle may have this feature. The compass can be manually calibrated. To calibrate the compass through the DIC, see Compass. ...