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:

    Battery
    Refer to the replacement number shown on the original battery label when a new battery is needed. See Engine Compartment Overview  for battery location. DANGER Battery posts, terminals, and r ...

    Erasing Universal Home Remote Buttons
    The programmed buttons should be erased when the vehicle is sold or the lease ends. To erase either Rolling Code or Fixed Code on the Universal Home Remote device: 1. Press and hold the two outs ...

    Three-Way Calling
    Three-Way Calling must be supported on the Bluetooth phone and enabled by the wireless service carrier to work. 1. While on a call press . The system responds with “Ready” followed by a ...