2009 Lexus IS 350 Navigation Manual - Page 234

AIR CONDITIONING (a) Climate control SETTING OPERATION − automatic control INFORMATION D This automatic control has additional function as described below, when the "AUTO" button is pushed. The fan speed is stopped for a little while until warm air preparation, when outside temperature is cold like a winter season in the "Floor", "Bi−level" or "Floor/Windshield" air flow mode. If quick removal for exterior frost, fog and inside fog on the windshield is desired, use the high fan speed setting after the "Windshield" air flow mode has been selected. The fan speed is stopped few seconds until cool air preparation, when outside temperature is hot like a summer season in the "Panel" or "Bi−level" air flow mode. D The internal circulation may be applied for maximum cooling in the automatic operation mode, when outside temperature is hot like a summer season. If fresh outside air is desired into the vehicle, push the air intake control button to select the OUTSIDE AIR mode. D The "Floor/Windshield" air flow mode may be applied automatically, if the outside temperature is lowered down to below 0_C (32_F). This is not malfunction. The "Floor/Windshield" air flow mode turns on the defogging and defrosting function with the purpose of cleaning your front view for safe driving. If the "Floor" air flow mode is desired with the main purpose of heating, "Floor" air flow mode can be selected manually by touching the air flow control button. 1. Push the "AUTO" button. An indicator light will illuminate to show that the automatic operation mode has been selected. Air flow quantity, switching of the diffusers, on−off of the air conditioning, and switching of the air intake between RECIRCULATED AIR and OUTSIDE AIR are automatically adjusted. The operation status is shown by each indicator. When one of the manual control buttons is depressed while operating in automatic mode, the mode relevant to the depressed button is set. Other conditions continue to be adjusted automatically. Push the "OFF" button to turn the fan off. 254