2003 Toyota Prius Owners Manual - Page 147

Instrument panel vents94. Defogging The inside of the windshield For best results, set controls to: Fan speed-"AUTO" Temperature-Towards high temperature to heat; low temperature to cool Air intake-FRESH (outside air) Air flow-WINDSHIELD Air conditioning-"MAX" ON Turning the air flow selector to the windshield position turns on the defogging function with the purpose of clearing the front view. When turning the air flow selector to windshield or floor/windshield position, the air intake selects FRESH automatically. This is to clean up the front view more quickly. If you want to return the setting to RECIRCULATE mode, press the air intake selector button once again. Defrosting The outside of the windshield For best results, set controls to: Fan speed- "AUTO" Temperature-Towards high temperature Air intake-FRESH (outside air) Air flow-WINDSHIELD Air conditioning-OFF Turning the air flow selector to the windshield position turns on the defogging function with the purpose of clearing the front view. When turning the air flow selector to windshield or floor/windshield position, the air intake selects FRESH automatically. This is to clean up the front view more quickly. If you want to return the setting to RECIRCULATE mode, press the air intake selector button once again. 27p006 Side vents If air flow control is not satisfactory, check the instrument panel vents. The instrument panel vents may be opened or closed as shown. D To heat the vehicle interior while defrosting the windshield, choose "Floor/ Windshield" air flow. D On humid days, do not blow cold air on the windshield-the difference between the outside and inside temperatures could make the fogging worse. 140