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:

    Brake System Warning Light
    The vehicle brake system consists of two hydraulic circuits. If one circuit is not working, the remaining circuit can still work to stop the vehicle. For normal braking performance, both circuits ...

    Trip/Fuel Display Menu Items
    (Trip/Fuel): Press to display the following menu items: ...

    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 ...