Toyota 2003 Prius Owner's Manual page 146

If following another vehicle on a dusty
D
road, or driving in windy and dusty
conditions, it is recommended that the
air intake selector be temporarily set to
RECIRCULATE, 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:
Fan speed—"AUTO"
Temperature—To the desired
temperature
Air intake—FRESH (outside air)
Air flow—FLOOR
Air conditioning—OFF
For quick heating, select recirculated
D
air for a few minutes. To keep the
windows from fogging, select fresh af-
ter the vehicle interior has
warmed.
Press the "MAX" button on for dehu-
D
midified heating.
Choose "Floor/Windshield" air flow to
D
heat the vehicle interior while defrost-
ing or defogging the windshield.
Air conditioning
For best results, set controls to:
Fan speed—"AUTO"
Temperature—To the desired
temperature
Air intake—FRESH (outside air)
Air flow—PANEL
Air conditioning—"A/C" ON
For quick cooling, move the air intake
D
selector to recirculate for a few min-
utes.
been
Ventilation
For best results, set controls to:
Fan speed— "AUTO"
Temperature—To the desired
temperature
Air intake—FRESH (outside air)
Air flow—PANEL
Air conditioning—OFF
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