Using this Manual

To quickly locate information about the vehicle, use the Index in the back of the manual. It is an alphabetical list of what is in the manual and the page number where it can be found.

    See also:

    Transmission Messages
    DIFFERENTIAL HOT, REDUCE SPEED (CTS-V ONLY) This message displays and a chime sounds if the differential fluid temperature exceeds 150°C (300°F). Driving aggressively or at high speeds can ...

    Manual Transmission
    Skip Shift (CTS–V) Under light acceleration, the transmission will only allow shifting from 1 (First) to 4 (Fourth). This helps improve fuel mileage. Under harder acceleration, Skip Shift is ...

    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 ...