I have the 2011 A3 with factory fitted RNS-E and Parking System Plus without rear view camera. The Car icon shows in the RNS-E with the parking sensors indication. Would it be possible to fit the R8 Rear View Camera module into this car and get the rear view with the Steering wheel angle indication? Would I need to recode the RNS-E to R8-coding? What other changes in coding is needed in the RNS-E. Any coding changes needed on the existing parking sensor module?