Lexus ES300 Owner's Manual page 182

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 be temporarily set 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 for a few
minutes. To keep the windows from fogging, select
OUTSIDE AIR after the vehicle interior has been warmed.
D Push the "A/C" button on for dehumidified heating.
D Choose floor/windshield air flow to heat the vehicle interior
while defrosting or defogging the windshield.
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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
For manual operation
Fan speed To the desired fan speed
Temperature Towards low temperature
Air intake OUTSIDE AIR
Air flow PANEL
Air conditioning ON
D For quick cooling, select RECIRCULATED AIR for a few
minutes.
Ventilation
For best results, set controls to:
For automatic operation
Push in the "AUTO" button.
Temperature Towards low temperature
Air intake OUTSIDE AIR
Air conditioning OFF