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:

    Database Coverage Explanations
    Coverage area depends upon the map detail available. Some areas have greater map detail than others. The navigation system works only as well as the information provided on the stored map data. Se ...

    Safety
    Four-wheel-disc, antilock brakes are standard. A standard electronic stability system uses rollover mitigation technology that senses impending rollovers and attempts to avert them by applying ind ...

    Trailer Wiring Harness
    Heavy-Duty Trailer Wiring Harness Package The vehicle has a seven-pin universal heavy-duty trailer connector attached to the rear bumper beam next to the integrated trailer hitch. The seven-wire ...