Operation Instructions — CD Mode For CD And MP3 Audio Play

NOTE:
• The ignition switch must be in the ON/RUN or ACC position to operate the radio.
• This radio is capable of playing compact discs (CD), recordable compact discs (CD-R), rewritable compact discs (CD-RW), compact discs with MP3 tracks and multisession compact discs with CD and MP3 tracks.

See also:

Conference Call
When two calls are in progress (one active and one on hold), press and hold the button until you hear a double beep indicating that the two calls have been joined into one conference call. ...

Instrument Cluster — Base
Instrument Cluster — Base ...

Place/Retrieve A Call From Hold
During an active call, touch the “Hold” soft-key on the Phone main screen. ...