i just got a avic n2, and im trying to make it so i cn utilize mor eof the navi options while in motion, and play a movie once and a while for the wife, and considering i dont have mulitple moniors there is nothing else for her to watch it on, i belive the unit came with CNDV-50MT 1.1, i was told buying the dvd CNDV-40MT 1.2 will make it so i can do these things, if thats a lie somne please let me know quick b4 i waste money, and if its not does anything else have to be done with it, like grounding the p-brake or somthing like that. also im not to firmilar with all the diff dvds for the navi,