See also:

External audio source volume
If an external devices such as an MP3 player or an iPod is connected to the AUX socket, the device's volume may be different from the volume of the internal sound sources such as the disc play ...

Ignition switch and steering wheel lock
A The gear selector must be in the P (Park) position (automatic transmission). B Please be aware that leaving the key in this position will increase battery drain. ...

Basic sound settings
Press SOUND to display the basic sound setting menu (Bass, Treble, etc). Continue pressing SOUND or OK/MENU to display the other setting alternatives. Adjust the setting by turning TUNE and sav ...