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:

    Engine Power Messages
    ENGINE POWER IS REDUCED This message displays when the vehicle's engine power is reduced. Reduced engine power can affect the vehicle's ability to accelerate. If this message is on, but t ...

    New for 2012
    The Canyon sees only some minor changes for 2012. A Bodyguard Package provides bed rail covers and molded splash guards, and an available Chrome Accessory Package includes a chrome exhaust tip and ...

    Wheel Alignment
    Wheel alignment is critical for ensuring that the tires deliver optimal wear and performance. • Signs that the alignment may need to be adjusted include pulling, improper vehicle handling, or unusu ...