See also:

When “CHECK DISC” is displayed
Press the eject button to unload the discs. Check that the disc is not damaged or scratched, and also check that the disc is inserted correctly. This message may appear when using some CD-RW discs. ...

Setting guidance volume
To set the guidance volume, perform the following procedure. 1. Select the “SETUP” menu. 2. Select the “SYSTEM SETUP” menu. 3. Select “GUIDANCE VOL” by operating the “TUNE/TRACK/CH” dial. 4. Set t ...

Recommended spark plugs
Refer to “Electrical system” F12-8. ...