Horn

To sound the horn, press the center pad on the steering wheel.

    See also:

    Trans (Transmission) Temp (Temperature) (CTS-V Only)
    This display shows the transmission fluid temperature in either degrees Celsius (°C) or degrees Fahrenheit (°F). ...

    Roadside Service (U.S. and Canada)
    U.S.: 1-800-224-1400 Canada: 1-800-882-1112. Text Telephone (TTY) Users (U.S. Only): 1-888-889-2438. Service is available 24 hours a day, 365 days a year. ...

    Horn
    Pressaon the steering wheel pad to sound the horn. ...