See also:

STEP ON BRAKE TO RELEASE PARK BRAKE
For vehicles with the electric parking brake, this message displays if you try to release the park brake system without first pressing the brake pedal. See the electric parking brake informa ...

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

Engine Coolant Heater
Vehicles with the engine coolant heater can use this option in cold weather conditions at or below −18°C (0°F) for easier starting and better fuel economy during engine warm-up. Plug i ...