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. ...

Mirrors
Always check that the inside and outside mirrors are properly adjusted before you start driving. ...

Unlocking the phonebook
1. Select the “PHBK UNLOCK”/“PHONEBOOK UNLOCK” menu. Then “CURRENT PIN?” is displayed. NOTE If the phonebook is not locked, “UNLOCK” is displayed and the mode changes to the security mode. ...