OnStar Services

See also:

Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn the ignition to LOCK/OFF in each shift lever position. The ignition should turn to LOCK/OFF only when the shift lever is in P (Park). ...

USB Port
Not all USB drives are compatible with the USB port. Check the height of the USB drive prior to closing the arm rest. For vehicles with a USB port, the following devices may be connected and contro ...

Emissions Inspection and Maintenance Programs
Some state/provincial and local governments have or may begin programs to inspect the emission control equipment on your vehicle. Failure to pass this inspection could prevent you from getting a v ...