aux input in vogue 04 L322 stereo??? where is it? how do you use it?

Hi all, just wondering, i have heard about some sort of aux input on the vogue stereo system where some people plug in freeview boxes, dvd players etc. where is this aux plug located and can i plug my ipod in to it to listen to music and passengers to watch films etc on the move ?

is this all possible?

cheers

Austin