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.
Rocker Arm Assembly Removal
Remove the cylinder head cover.
Loosen the rocker arm adjusting screws (A).
Unscrew the rocker shaft mounting bolts two turns at a time in the
sequence shown.
...
Audio System Basic Operation
To use the audio system function, the ignition switch must be in ACCESSORY
or
ON .
Use the selector knob to access some audio
functions.
Selector knob: Rotate left or right to scroll
throug ...
Changing the Engine Oil and Oil Filter
You must change the engine oil and oil filter regularly in order to maintain
the
engine’s lubrication. The engine may be damaged if they are not changed
regularly.
Change the oil and filter ...