See also:

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

Radio Frequency Identification (RFID)
RFID technology is used in some vehicles for functions such as tire pressure monitoring and ignition system security, as well as in connection with conveniences such as key fobs for remote d ...

Playing an MP3 CD-R or CD-RW Disc
The radio may have MP3 CD-R or CD-RW disc capability. For more information, see Using an MP3 later in this section. ...