Yeah you can
It doesn't look very good mind, I only know as my mk4 dvd computer went pop and I took it out and still had the headunit working
Oh really?!
I only deleted as I found the answer elsewhere saying that the screen was just a screen nothing more and it needs the computer to drive it.
I only ask because I'd like the screen to improve the dash and for my iPod, not really bothered about Nav.

