2006 Lexus GS 300 Owners Manual - Page 917

AIR CONDITIONING D If following another vehicle on a dusty road, or driving in windy and dusty conditions, it is recommended that the air intake control button be temporarily pressed in to the RECIRCULATED AIR mode, which will close off the outside passage and prevent outside air and dust from entering the vehicle interior. Heating For best results, set controls to: For automatic operation- Push in the "AUTO" button. Temperature-To the desired temperature Air intake-OUTSIDE AIR Air conditioning-OFF For manual operation- Fan speed-To the desired fan speed Temperature-Towards high temperature Air intake-OUTSIDE AIR Air flow-FLOOR Air conditioning-OFF D For quick heating, select RECIRCULATED AIR mode for a few minutes. To keep the windows from fogging, select OUTSIDE AIR mode after the vehicle interior has been warmed. D Touch the "A/C" switch on for dehumidified heating. D Choose floor/windshield air flow to heat the vehicle interior while defrosting or defogging the windshield. Air conditioning For best results, set controls to: For automatic operation- Push in the "AUTO" button. Temperature-To the desired temperature Air intake-OUTSIDE AIR Air conditioning-ON 271