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:

    Exterior Lamps Off Reminder
    A warning chime sounds if the driver door is opened while the ignition is off and the exterior lamps are on. ...

    How to Check
    Use a good quality pocket-type gauge to check tire pressure. Proper tire inflation cannot be determined by looking at the tire. Check the tire inflation pressure when the tires are cold, meaning t ...

    Playing a CD or MP3 CD (Radio with CD)
    Press the CD button if there is a disc in the player; it begins playing. Information about the disc and current track is shown on the display depending on the data stored. Selecting a CD Track Us ...