Check the play of the release bearing by spinning it by hand. If there is excessive play or noise, replace the release bearing.

NOTE: The release bearing is packed with grease. Do not wash it in solvent.
Audio Screen Control
AUDIO button (in USB mode)
Control the audio screen through the navigation system.
Select a track.
Select the Folder tab to display the
folder list.
The following items are available:
...
Audio System Description
Overview
The audio-navigation unit or audio unit acts as the processor for all
audio functions. To select audio functions, use one of the following inputs:
Audio-navigation unit or a ...
Clutch Hose Replacement (M/T)
NOTE:
Replace the clutch hose if it is twisted or cracked, or if it leaks.
Use fender covers to avoid damaging painted surfaces.
Do not spill brake fluid on the vehicle; it may ...