2009 Lexus GX 470 Navigation Manual - Page 259

AIR CONDITIONING If manual fan speed control is desired- If manual switching of air intake is desired- " 1 Fan speed at low 2 Fan speed at high The fan speed can be set to your desired speed by touching the appropriate fan speed control button. The higher the fan speed is, the more air is delivered. Pushing the "OFF" button turns the fan off. To remove the exterior windshield frost and interior windshield fog, use the high speed setting. The selected mode is highlighted. Each time you push the air intake control button, the mode changes in order from the RECIRCULATED AIR mode to OUTSIDE AIR mode, then back to the RECIRCULATED AIR mode. Each indicator light shows which mode is now selected. 1 RECIRCULATED AIR mode - If quick circulation of cooled air is desired, select this mode. 2 OUTSIDE AIR mode - The system will take fresh outside air into the vehicle. For normal use, it is best to keep the air intake control button set to OUTSIDE AIR mode. If recirculated air is used during heating, the windows will fog up more easily. In the following cases, the RECIRCULATED mode may change to the OUTSIDE AIR mode automatically to prevent interior fog. D When the outside temperature becomes lower than 5_C (41_F). D When the air conditioning compressor malfunctions. D When the air conditioning cooler refrigerant decreases. 279