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:

    Heated Rear Seats
    WARNING If you cannot feel temperature change or pain to the skin, the seat heater may cause burns even at low temperatures. See the Warning under Heated and Ventilated Front Seats. If avai ...

    Limited-Slip Rear Axle
    Vehicles with a limited-slip rear axle can give more traction on snow, mud, ice, sand, or gravel. When traction is low, this feature allows the drive wheel with the most traction to move the ...

    Parking over Things That Burn
    WARNING Things that can burn could touch hot exhaust parts under the vehicle and ignite. Do not park over papers, leaves, dry grass, or other things that can burn. ...