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:

    Antilock Brake System (ABS) Warning Light
    The Antilock Brake System (ABS), this light comes on briefly when the engine is started. If the light does not come on, have it fixed so it will be ready to warn if there is a problem. If ...

    Compass
    The vehicle may have a compass display on the Driver Information Center (DIC). The compass receives its heading and other information from the Global Positioning System (GPS) antenna, StabiliTrak, a ...

    Thigh Support Adjustment
    If available, adjust the manual leg extension by reaching under it, in the pocketed area. Press the button and pull or push to lengthen or shorten it. Release the button to lock it in plac ...