Courtesy Lamps

The courtesy lamps come on automatically when any door is opened and the dome lamp is in the door position.

    See also:

    OnStar®
    If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overview&nb ...

    Manual Mode
    Driver Shift Control (DSC) The vehicle has Driver Shift Control (DSC). DSC controls the vehicle's transmission and vehicle speed while driving down hill or towing a trailer by allowing you to ...

    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 ...