See also:

Adjusting sound quality and volume balance
Press the “TUNE/SEL” knob to enter iPod menu mode. Pressing the “TUNE/SEL” knob changes sound modes.  - About iPod • Apple is not responsible for the operation of this device o ...

Fast-forwarding and rewinding songs
To fast-forward or rewind, press and hold “” or “” on the “SEEK•TRACK” button until you hear a beep. ...

Unlocking and locking the back door
1.Locks the all doors 2. Unlocks the all doors The doors cannot be unlocked for 3 seconds after the doors are locked. ...