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:

    Object Detection System Messages
    PARK ASSIST OFF This message displays when the park assist system has been turned off or when there is a temporary condition causing the system to be disabled. See Ultrasonic Parking Assist ...

    Tire Rotation and Required Services Every 12 000 km/7,500 mi
    Rotate the tires, if recommended for the vehicle, and perform the following services. See Tire Rotation . Check engine oil level and oil life percentage. If needed, change engine oil and filt ...

    Storing Button Memory Positions
    To save positions into Button Memory: 1. Adjust the driver seat, seatback recliner, and both outside mirrors to the desired driving positions. 2. Press and hold MEM (Memory) and “1” at t ...