I haven't but have installed two in a Ford F150 and Toyota Solara. If you are handy it can be done easily, or take to Best Buys and have it installed. I cant remember whether the LS430 has a navigation screen, if it does I am sure someone has done it.
Hi Thomas,
Thanks for the information. My 2003 Lexus LS430 is now 16 years old, it has a navigation screen that came with the car, and now has 52,283 miles on it. It would be nice to add a back-up camera to the navigation screen.