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:

    Power Steering
    If power steering assist is lost because the engine stops or the system is not functioning, the vehicle can be steered but it will take more effort. ...

    System Identification
    If the vehicle has the tire sealant and compressor kit shown above, see the operating instructions that follow. If the vehicle has the tire sealant and compressor kit shown above, follo ...

    Unit
    Move to switch between metric or US when the Unit display is active. Press SET/CLR to confirm the setting. This will change the displays on the cluster and DIC to either metric or English ( ...