Hi. Does everyone know how to change settings in efficient ventilation mode? There is a link below and I am into first option No 17. I need to change defogger settings.
Currently I have set on option 2 ( it will automatically engage air compressor to blow air onto windshield) now i need to switch to option 1 ( i dont need to ac on when my air goes onto windshield) any ideas how to do it?

Here is link: http://www.lexus.com/pdf/service/IS250C_LPS.pdf

 

i think you have to go to the dealer to change any of these settings.