Im going to install new aftermarket car audio to my Audi A3, Its 2000/2001 Year model. It has allready a that kind CD player, some Blaupunkt. But it have to go because i want DVD Player, and now i have one. I bought JVC KD-AVX33 Now i want to know that is there any other possible concerns with installing the wiring except plug the ISO connector to car? This car DVD had , ofcource ISO harness/plugs with it. I presume that i have to change to modified wiring by the positive wires, that yellow to red swapping for continuos 12V/start ? Like it says also in JVC installation manual, in fact there is two different modified methods. The previous player, Blaupunkt is connected that way, that its always powered/ shut from its on power button only. Still ,its not bad to be sure and ask.