Your Audi A4 or Q5 was not equipped with the US$3000 navigation and backup camera option? This may be what you need. This is a brief walk-through of the B8 (Q5/A4) Navigation Back-up camera system for non Navigation vehicles. 6.5" factory screen conversion to touchscreen inputs. Fully integrated unit plugs in to existing wiring harness and provides a touchscreen interface similar to the Audi MMI interface on your current vehicle. Your 6.5" screen now becomes a multifunctional device that does it all.
Audi A4, Audi Q5, Navigation, back up, GPS