2009 Lexus LS 600h Owners Manual - Page 277

3-2. Using the air conditioning system and defogger n Window defogger feature Recirculated air mode may automatically switch to ations where the windows need to be defogged. n When the hybrid battery cooling system operates (outside air) mode in situ- If the hybrid battery cooling system operates when the air conditioning is off, a message will be shown on the multi-information display and the air conditioning will automatically turn on. (→P. 193) n Automatic mode for air intake control In automatic mode, the system detects exhaust gas and other pollutants and automatically switches between outside air and recirculated air modes. When the air conditioning is off, and the fan is operating, turning the "AUTO" mode on will activate the air conditioning system. n Micro dust and pollen filter l In order to prevent the windows from fogging up when the outside air is cold, 3 Interior features 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 . CAUTION n To prevent the windshield from fogging up during cool air operation in extremely humid weather. The differDo not use ence 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. NOTICE n To prevent the 12-volt battery from being discharged Do not leave the air conditioning system on longer than necessary when the hybrid system is off. 279