See also:

Navigation monitor (if equipped)
To clean the navigation monitor, wipe it with a silicone cloth or with a soft cloth. If the navigation monitor is extremely dirty, clean it with a soft cloth moistened with neutral detergent then ...

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 ...

Other settings (type A, B and C audio)
Each brief press of the “MENU” button changes the control modes in the following sequence. Type A audio: Type B audio: Type C audio: Choose the preferred settings for each mode by tu ...