2005 Lexus GX 470 Owners Manual - Page 274

AIR CONDITIONING If quick heating or cooling is desired - Push the "TEMP" or "PASSENGER TEMP" button on either side and hold it until "MAX. HOT" or "MAX. COLD" appears on the display. If manual fan speed control is desired - If manual switching of air intake is desired - 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 Fan speed at low 2 Fan speed at high 1 2 RECIRCULATED AIR mode - If quick circulation of cooled air is desired, select this mode. OUTSIDE AIR mode - The system will take fresh outside air into the vehicle. The fan speed can be set to your desired speed by pushing the appropriate side of fan speed control button. The higher the fan speed is, the more air is delivered. Pushing the "OFF" button turns off the fan. To remove exterior windshield frost, use the high speed setting. To prevent fogging up of the windshield, the air intake mode may change automatically to the OUTSIDE AIR mode depending on the condition of the air conditioning system. For example, when the ambient temperature is low, the air intake mode may change automatically to the OUTSIDE AIR mode. This is not a malfunction. 249