Trans (Transmission) Temp (Temperature) (CTS-V Only)

This display shows the transmission fluid temperature in either degrees Celsius (°C) or degrees Fahrenheit (°F).

    See also:

    Turning the System On or Off
    VOL/ (Volume/Power): Press to turn the system on and off ...

    3.5mm Auxiliary Input Jack
    Connect a 3.5mm (1/8 in) cable to the 3.5mm auxiliary input jack to use a portable audio player. Playback of an audio device that is connected to the 3.5mm auxiliary input jack can only be contro ...

    Diagnostics
    OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if ...