Hey guys,
I had an AVIC-P90BT, and touch screen finally gave out, so I bought a used AVIC-5200NEX. Yes I have been researching this all day, and I am somewhat familiar with radios.
Works good, sounds good, but I am having the problems with the settings, where everything is greyed out. My volume is also stuck on 12 on my ipod for some reason.
I have taken it off demo mode, hit the secret Bluetooth screen where it says "set on." I have grounded the parking brake cable into the ground of the harness itself, and I also attempted to shove it in my parking brake. I even tried the old