2010 Lexus RX 350 Navigation Manual - Page 258

AIR CONDITIONING 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 Window defogger feature Recirculated air mode may automatically switch to outside air mode in situations where the windows need to be defogged. " Rear outlets 1 2 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. Direct air flow to the left or right, up or down Turn the knob to open or close the vent 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 The system may switch automatically to recirculated air mode when the coolest temperature setting is selected in summer. D Immediately after the button is pushed, the fan may stop for a while until warm or cool air is ready to flow. 286