2011 Lexus HS 250h Owners Manual - Page 263

3-1. Using the air conditioning system and defogger n Using the system in recirculated air mode The windows will fog up more easily if recirculated air mode is used. n Window defogger feature Recirculated air mode may automatically switch to uations where the windows need to be defogged. n When micro dust and pollen filter is active (outside air) mode in sit- l In order to prevent the windshield from fogging up when the outside air is cold, the following may occur: • Outside air mode does not switch to (recirculated air) mode. • The air conditioning system operates automatically. • The operation cancels after 1 minute. l In rainy weather, the windows may fog up. Press n When outside air temperature is below 32°F (0°C) . The cooling and dehumidification function may not operate even when pressed. n Air conditioning odors is l During use, various odors from inside and outside the vehicle may enter into and accumulate in the air conditioning system. This may then cause odor to be emitted from the vents. l To reduce potential odors from occurring: • It is recommended that the air conditioning system be set to outside air mode prior to turning the vehicle off. • The start timing of the blower may be delayed for a short period of time immediately after the air conditioning system is started in automatic mode. CAUTION n To prevent the windshield from fogging up Do not use during cool air operation in extremely humid weather. The dif- ference between the temperature of the outside air and that of the windshield can cause the outer surface of the windshield to fog up, blocking your vision. 262