2011 Lexus IS 350 User Guide - Page 234

3-1. Using the air conditioning system and defogger n When the indicator light on flashes Press and turn off the air conditioning system before turning it on once more. 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. n Automatic mode for air intake control (IS350C only) In automatic mode, the system detects exhaust gas and other pollutants and automatically switches between outside air and recirculated air modes. When the retractable hardtop is opened, recirculated air mode is automatically selected. n Micro dust and pollen filter l In order to prevent the window from fogging up when the outside air is cold, the following may occur. • Outside air mode does not switch to . • The air conditioning system operates automatically. • The operation cancels after 1 minute. l In rainy weather, the windows may fog up. Press n Air conditioning odors l During use, various odors from inside and outside the vehicle may enter into 3 Interior features . 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 difference 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. 243