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:

    Shoulder Belt Height Adjuster (Sedan and Wagon)
    The vehicle has a shoulder belt height adjuster for the driver and right front passenger seating positions. Adjust the guide so the shoulder portion of the belt is on the shoulder and not f ...

    XM Categories
    XM stations are organized in categories. Removing or Adding Categories (Radio with CD and Radio with Six-Disc CD Only) 1. Press the CONFIG button. 2. Press the softkey below the XM tab. 3. ...

    Engine Compartment Fuse Block (CTS-V Wagon)
    The underhood fuse block is located on the left side of the engine compartment. Lift the fuse block cover to access the fuses. The vehicle may not be equipped with all of the fuses and rel ...