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.

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    XM Messages
    XL (Explicit Language Channels): These channels, or any others, can be blocked at a customer's request, by calling 1-800-929-2100 in the U.S. and 1-877-438-9677 in Canada. XM Updating: The ...

    Head Restraints
    WARNING With head restraints that are not installed and adjusted properly, there is a greater chance that occupants will suffer a neck/spinal injury in a crash. Do not drive until the head restrai ...

    Clock
    The analog clock is not connected with any other vehicle system and runs by itself. To adjust the clock, do the following: 1. Locate the adjustment button, near the lower left corner of the clock. ...