Hi I think youre Genius// I wokeup to a BLANK nav screen/ radio works so does clock but a/c climate buttoms on side are not functioning and odf course the screen isblank so I cannoy turn on air. I view this as afety issue. did you have working a/c when you began your quest to repair?? I just want to see if my problm is the same as yours as it appears Im just not getting any electricity to the screen/ But why wont the side climate controls still not work. I guess my issue with lexus is thst by arguably faulty design The customer in my case doess NOT know if he has a ac prblm/ heater prblm/ fan problm/ light problem or nav Map problem// any reply welcomed Again you are bright for doing what u did. Thanks Fabio my email fabher331@hotmail.com