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). ...

Airbag System Messages
SERVICE AIRBAG This message displays if there is a problem with the airbag system. Take the vehicle to your dealer for service. ...

Turn Signals When Towing a Trailer
The turn signal indicators on the instrument panel flash whenever signaling a turn or lane change. Properly hooked up, the trailer lamps also flash, telling other drivers the vehicle is turning, ...