2006 Lexus RX 400h Owners Manual - Page 315

AIR CONDITIONING - The outside of the windshield For best results, set controls to: For automatic operation - Temperature - Towards high temperature Air intake - OUTSIDE AIR Air flow - WINDSHIELD For manual operation - Fan speed - To the desired fan speed Temperature - Towards high temperature Air intake - OUTSIDE AIR Air flow - WINDSHIELD When the windshield air flow button is pushed, air flows mainly from the windshield vents and turns on the defrosting function with the purpose of clearing the front view. Pushing this button once again returns the air flow mode to the last one used. This button automatically changes the air intake mode to select the OUTSIDE AIR mode. This clears the front view more quickly. It is not possible to return to RECIRCULATED AIR mode in this position. Push the "A/C" button for dehumidified heating or cooling. This setting clears the front view more quickly. D To heat the vehicle interior while defrosting the windshield, choose floor/windshield air flow. 279