See also:

Odometer
Displays the distance the vehicle has been driven in either kilometers (km) or miles (mi). ...

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

Airbag System Messages
SERVICE AIR BAG This message displays when there is a problem with the airbag system. Have the vehicle serviced by your dealer immediately. See Airbag Readiness Light for more information. ...