2006 Lexus GS 300 Owners Manual - Page 912

AIR CONDITIONING 3 4 Floor-Air flows mainly from the floor vents and rear vents. Floor/Windshield-Air flows mainly from the floor vents, windshield vents and rear vents. If manual switching of air intake is desired- Take in the fresh air by selecting the OUTSIDE AIR mode with the air intake control button. If manual fan speed control is desired- G21008 G21007 Each time you push the air intake control button, the mode changes in order from the RECIRCULATED AIR mode to AUTOMATIC 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. EXHAUST GAS AUTOMATIC mode-If the outside air contains harmful substances like exhaust gas (i.e., when the vehicle running just in front of your vehicle accelerates rapidly), the system changes automatically from the OUTSIDE AIR mode (with indicators 2 and 3 on) to the RECIRCULATED AIR mode (with indicators 1 and 2 on). OUTSIDE AIR mode-The system will take fresh outside air into the vehicle. " 1 Fan speed at low 2 Fan speed at high 2 The fan speed can be set to your desired speed by touching the appropriate air flow control switch. The higher the fan speed is, the more air is delivered. Pushing the "OFF" button turns off the fan. To remove exterior windshield frost and interior windshield fog, use the high speed setting. 3 266