See also:

MUTE button (if equipped)
Press this button if you wish to immediately cut the volume to zero. The audio display will show “MUTE”. If you press the button again, the original sound volume will return and “MUTE” turns off. ...

Random playback
Type A audio Type B audio To play back a track/file(s) at random, press the “RPT/RDM” button for 0.5 second or longer (type A audio) or press the “RDM” button (type B audio). ● For type ...

Key lock-in prevention function
This function prevents the doors from being locked with the key still in the ignition switch. ...