MrBMW :Thanks for your reply. My other questions about your camera, when you put in to reverse:
1. Will it work only on "Nav mode"?
2. or will it works in any other screen mode? such as: "settings" mode or other screens mode?

I will be doing mine soon.., but the audio shop said probably it will only work in "nav mode"...! Your input will really help..., because they are thinking to tap into the video cable coming out from the NAV computer.