Might be a dumb question but if I hook something up through the aux ports like a ps2 or what not I can have that running while driving correct? It wont do like what the dvd function does when moving?

No, it will cut that off too if you don't have it bypassed

right on thanks

But only through the front screen (your AVIC), the rear monitor outputs from the AVIC stay on during movement, so the kids in the back don't start screaming every time you move. The bypasses are easy, like Ducatiboy's Z1 bypass(which, I must say, have worked perfectly everytime, kudos), and some are downright simple(N3).