See also:

SERVICE KEYLESS START SYSTEM
If the vehicle has the keyless access system, this message displays when there is a problem with this feature. See your dealer. ...

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

Connections
OnStar Hands-Free Calling allows calls to be made and received from the vehicle. The vehicle can also be controlled from a cell phone through the OnStar RemoteLink mobile app. See www.onstar.com f ...