Hey, just as a note... I just did an Z2 install for a friend, and the 2 wire ground trick did the job without even doing the software update / patch.... I've tested DVD's / NAV at full acceleration, even playing a DVD with the NAV directing me towards an address (it would flash over for a couple seconds before each turn and notify me, then flip back to the DVD). Drove around for about 5 minutes for the first test, and everything looks AOK (no warning messages, or video problems at all). Thanks guys for the awesome site, and great advice!
I was starting to get really worried about thi
