Onstar.com

The website provides access to account information, manages the OnStar subscription, and allows viewing of videos of each service.

Get subscription plan pricing and sign up for OnStar Vehicle Diagnostics. Click on the “My Account” tab on the home page.

    See also:

    CD/DVD Player
    The player can be used for CD, MP3, and as a DVD video player. Read this section for more information about DVD video. When playing an audio CD the rear seat operator can power on the RSE video scr ...

    Glass Replacement
    If the windshield or front side glass must be replaced, see your dealer to determine the correct replacement glass. ...

    Tire Pressure Monitor System
    The Tire Pressure Monitor System (TPMS) uses radio and sensor technology to check tire pressure levels. The TPMS sensors monitor the air pressure in your tires and transmit tire pressure readings to ...