Toyota Yaris Owner's Manual page 139

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.
132
Heating
For best results, set controls to:
Fan speed—Any setting except "0"
Temperature—Towards WARM
(red zone)
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
warmed.
Press the "A/C" button on for dehumidi-
D
fied heating.
Choose floor/windshield air flow to heat
D
the vehicle interior while defrosting or
defogging the windshield.
Air conditioning
For best results, set controls to:
Fan speed—Any setting except "0"
Temperature—Towards COLD
Air intake—FRESH (outside air)
Air flow—PANEL
Air conditioning—ON
For quick cooling, move the air intake
D
selector to recirculate for a few min-
utes.
has been
(blue zone)