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:

    Front Wiper Blade Replacement
    1. Pull the windshield wiper arm connector away from the windshield. 2. Squeeze the grooved areas on each side of the blade, and turn the blade assembly away from the arm connector. 3. Install ...

    Up-Shift Light
    The vehicle may have an up-shift light. It indicates when to shift to the next higher gear for best fuel economy. See Manual Transmission for more information. For the CTS-V, the tracer ligh ...

    Emergency Trunk Release Handle
    Emergency Trunk Release Handle Notice: Do not use the emergency trunk release handle as a tie-down or anchor point when securing items in the trunk as it could damage the handle. The emerg ...