See also:

Locking the passengers’ windows
1) Lock 2) Unlock To lock: Press the lock switch. When the lock switch is in the lock position, the passengers’ windows cannot be opened or closed. To unlock: Press the lock switch again. ...

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 ...

Volume control switch
Press the switch to the “+” side to increase the volume. Press the switch to the “−” side to reduce the volume. A number indicating the volume will be shown on the audio display. ...