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:

    When the Light Is On Steady
    This indicates that one or more of the tires are significantly underinflated. A Driver Information Center (DIC) tire pressure message may also display. See Tire Messages. Stop as soon as po ...

    Navigation Control Buttons
    The following control buttons are located on the navigation system: (Power/Volume): 1. Press to turn the system on and off. 2. Turn to increase or decrease the volume to the audio system. 3. Pres ...

    Lumbar Adjustment
    If available, hold the control on the outboard side of the seat forward or rearward to increase or decrease the lumbar support on the driver or front passenger seat. A. Side Bolster Adjus ...