2011 Lexus IS 350 Navigation Manual - Page 256

AIR CONDITIONING D Switching between outside air and recirculated air modes Recirculated air mode or outside air mode may be automatically switched to in accordance with the temperature setting and the inside temperature. D Window defogger feature Recirculated air mode may automatically switch to outside air mode in situations where the windows need to be defogged. D When outside air temperature is below 32_F (0_C) The cooling and dehumidification function may not operate even when "A/C" is on. D When the indicator light on "A/C" flashes Touch "A/C" to turn off the air conditioning system and turn it on again. There may be a problem in the air conditioning system if the indicator light continues to flash. Turn the air conditioning system off and have it inspected by your Lexus dealer. D Automatic air intake change mode (IS F/IS 350) In automatic mode, the system automatically switches between recirculated air and outside air modes according to whether the system detects harmful substances such as exhaust gas in the air outside. (f) Rear window and outside rear view mirror defogging To turn the electric rear window and outside rear view mirror defogger on, push the button above. The "ENGINE START STOP" switch must be in IGNITION ON mode. The thin heater wires on the inside of the rear window and the heater panels in the outside rear view mirrors will quickly clear the surface. Keep your hands off the mirror faces when the system is on. The indicator light is on when the defogger is operating. CAUTION When the outside rear view mirror defoggers are on, do not touch the outside surface of the rear view mirror as it can become very hot and cause burns. 280