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:

    Blizzard Conditions
    Being stuck in snow can be a serious situation. Stay with the vehicle unless there is help nearby. If possible, use the Roadside Assistance Program (U.S. and Canada) on page 13‑8 or Roadside As ...

    Engine Drive Belt Routing
    ...

    Heated Seats
    Uplevel Climate Control System Shown, Base Similar If available, the buttons are near the climate controls. To operate, the ignition must be in ON/RUN. Press or to heat the driver or passenge ...