2011 Lexus LS 600h Owners Manual - Page 343

3-2. Using the air conditioning system and defogger n Operation of the air conditioning system in Eco drive mode n n n n n In Eco drive mode, the air conditioning system is controlled as follows to prioritize fuel efficiency: l Engine speed and compressor operation controlled to restrict heating/cooling capacity l Fan speed restricted when automatic mode is selected To improve air conditioning performance, perform the following operations: l Adjust the fan speed l Turn off Eco drive mode Customization The air conditioning control of Eco drive mode can be changed to the same setting as that used in normal drive mode. (Customizable features →P. 565) Using the automatic mode Fan speed is adjusted automatically in accordance with the temperature setting and ambient conditions. As a result, the following may occur: l Immediately after "AUTO" is pressed, the fan may stop for a while until warm or cool air is ready to flow. l Cool air may flow to the area around the upper body when the heater is on. Using the system in recirculated air mode The windows will fog up more easily if the recirculated air mode is used for an extended period. 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. Window defogger feature Recirculated air mode may automatically switch to (outside air) mode in situations where the windows need to be defogged. 344