Horn
Pressa 
on the steering wheel pad
to sound the horn.
See also:
Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can
be obtained from your dealer.
...
Playing an MP3/WMA File From a Disc (In Either the DVD or CD Slot)
If a disc is inserted into the top DVD slot, the rear seat operator can turn on the video screen and use the remote control to navigate the CD (tracks only).
(Tune): Turn to select MP3/WMA files.
...
Windows
Press the front of the switch to lower the window. Pull the switch up to raise
it.
Pushing or pulling the switch part of the way will open or close the window as
long as the switch is operated. ...