Livash

This is a great topic! Just have a few questions if someone could help.. After having the touchscreen turn off never to turn on again I took it to a dealer to repair. I was informed the repair was going to cost me $3000 (aud) so this may be my option? - to ensure I don't have the issue with the security code I need to source a unit up to 2012 only? -it's an Australian model not sure if it has SAT but I would need a Aus or Nz nav unit if I wanted the navigation? -has anyone yet added the back up (reversing) camera to their upgrade? - my 4.3 stack will not go with the 8.4 unit? ( just replacing the bezel and touchscreen) Any help would be appreciated