Oh and you'll need the optional cable and if you want to watch videos without the handbrake on, then you need to do the bypass but thats simple enough.
http://www.pioneer.eu/uk/products/archive/AVH-2400BT/page.html
Here you go mate.
[video=youtube_share;FPz7FBW-b4I]http://youtu.be/FPz7FBW-b4I[/video]
Not sure tbh. I just made sure it had the number pins 85,86,87 & 30