See also:

Ejecting all discs from the player (all disc ejection mode)
1. If you press the “” button for 1.5 seconds or longer, the player will produce beep sound and will enter the all disc ejection mode. At this time, the disc number indicator and “ALL EJECT” ind ...

Service mode
In service mode, the remote start function is temporarily disabled to prevent the system from unexpectedly starting the engine while being serviced. ...

Channel selection
Turn the “TUNE/TRACK/CH” dial clockwise to select the next channel and turn the “TUNE/TRACK/CH” dial counterclockwise to select the previous channel. ...