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:

    Engine Coolant Temperature Gauge
    Metric English This gauge measures the temperature of the vehicle's engine. If the indicator needle moves into the shaded area, the engine is too hot. While driving under normal op ...

    Care of the CD Player
    Do not add a label to a disc; it could get caught in the CD player. If a label is needed, label the top of the recorded disc with a marking pen. The use of disc lens cleaners for discs is not ...

    General Information
    Your vehicle is an important investment. This section describes the required maintenance for the vehicle. Follow this schedule to help protect against major repair expenses resulting from neglect or ...