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:

    Rear Safety Belt Comfort Guides
    This vehicle may have rear shoulder belt comfort guides. If not, they are available through your dealer. The guides may provide added safety belt comfort for older children who have outgrown ...

    Finish Damage
    Quickly repair minor chips and scratches with touch-up materials available from your dealer to avoid corrosion. Larger areas of finish damage can be corrected in your dealer's body and paint s ...

    Chassis refinements
    Chassis tuning has focused on achieving a smooth, quiet, refined ride. The DTS features an all-new front cradle design, with the engine mounted to the cradle, and the cradle mounted to the body ra ...