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. ► For automatic transmission vehicles, the ignition should turn to LOCK/OFF only ...

How to Change the Video Format when inthe Auxiliary Mode
The auxiliary input video format is preset to NTSC. In some countries, the video format may be in the PAL system. To change the video format, perform the following: 1. Press the display menu b ...

Head Restraints
Adjust the head restraint so that the top of the restraint is at the same height as the top of the occupant’s head. This position reduces the chance of a neck injury in a crash. Pull the hea ...