Display Settings

Press the Config button on the Home Page or the CONFIG button on the faceplate, then select Display Settings from the list.

The following options may display:

Dimming Mode: Press to change the screen background. The Automatic setting adjusts the screen background automatically depending on the exterior lighting conditions.

To change the overall brightness setting for the display, use the vehicle interior lighting instrument panel illumination control.

    See also:

    OnStar Mobile App
    With an iPhone® or Android™-based mobile device, an OnStar mobile app can be downloaded. The vehicle can be remote started, if equipped, or the doors can be unlocked from anywhere there ...

    Services Provided
    • Emergency Fuel Delivery: Delivery of enough fuel for the vehicle to get to the nearest service station. • Lock-Out Service: Service to unlock the vehicle if you are locked out. A remot ...

    Gasoline Octane
    If the vehicle has the 3.9L V6 engine (VIN Code 1) or the 3.9L V6 engine (VIN Code M), use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less tha ...