See also:

Radio Data System (RDS)
The radio may have the Radio Data System (RDS) feature. RDS is available for use only on FM stations that broadcast RDS information. This system relies upon receiving specific information from t ...

Tachometer
The tachometer displays the engine speed in revolutions per minute (rpm). ...

XM Radio Messages
If you have a Radio with CD or Radio with Six-Disc CD, you can receive these radio display messages. If you have a Radio with CD (MP3), you can receive these radio display messages. ...