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:

    Tire Sealant and Compressor Kit
    This vehicle may come with a spare tire and tire changing equipment or a tire sealant and compressor kit. The kit can be used to temporarily seal small punctures in the tread area of the tire ...

    Dome Lamps
    The dome lamp controls are located in the overhead console. (Dome Lamp Override): Press to turn the lamps off, even when a door is open. (Door): Press to turn the lamps on automatically when ...

    Setting the Time
    The radio may have a button marked with an H or HR to represent hours and an M or MN to represent minutes. Press and hold the hour button until the correct hour appears on the display. AM or PM ...