See also:

When “No song” is displayed (type D audio)
This message is displayed when no playable audio files are in the connected USB storage device/iPod®. Connect a USB storage device/iPod® that has playable audio files stored in it. ...

Checking the clutch pedal free play
1) 0.16 – 0.43 in (4.0 – 11.0 mm) Lightly press the clutch pedal down with your finger until you feel resistance, and check the free play. If the free play is not within proper specification ...

With SAT mode selected
Press the “” button to skip forward in the channel order. Press the “” button to skip backward in the channel order. The channel will be shown on the audio display. ...