2012 Lexus HS 250h Owners Manual - Page 978

AIR CONDITIONING INFORMATION D Using automatic mode Fan speed is adjusted automatically according to the temperature setting and ambient conditions. As a result, the following may occur: D Immediately after the button is pushed, the fan may stop for a while until warm or cool air is ready to flow. D Using air conditioning while driving mode is in Eco mode The air conditioning system will be controlled during Eco mode in order to prioritize fuel consumption as follows: D Controls the engine speed or the compressor operation to restrain the heating/cooling capability. D Restrains the fan speed when using in automatic setting. When you want to improve the effectiveness of the air conditioning system, operate as follows: D Adjust the fan speed. D Cancel the Eco mode. The air conditioning setting during Eco mode can be changed to the same mode of normal driving by your Lexus dealer. For details, see "Customizable features" in section 6−2 of the vehicle owner's manual. The fuel consumption performance driving Eco mode drops slightly after changing the air conditioning setting. D Using the system in recirculated air mode The windows will fog up more easily if recirculated air mode is used for an extended period. 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 Select "A/C" to turn off the cooling and dehumidification function 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 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. If you select automatic mode when only the fans are operating, the air conditioning system will turn on automatically. 284