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:

    Cruise Control Light
    This light comes on whenever the cruise control is active. The light goes out when the cruise control is turned off. See Cruise Control for more information. ...

    Reporting Safety Defects to the Canadian Government
    If you live in Canada, and you believe that the vehicle has a safety defect, notify Transport Canada immediately, and notify General Motors of Canada Limited. Call Transport Canada at 1-800 ...

    Remote Start Heated and Ventilated Seats
    During a remote start, the heated or ventilated seats can be turned on automatically. They are canceled when the ignition is turned on. Press the button to use the heated or ventilated seats after ...