Toyota Sienna 2005 Operating Manual page 310

"
If following another vehicle on a dusty
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—Any setting except "OFF"
Temperature—Towards WARM
(red zone)
Air intake—FRESH (outside air)
Air flow—FLOOR
Air conditioning—OFF
"
For quick heating, select recirculated
air for a few minutes. To keep the
windows from fogging, select fresh af-
ter the vehicle interior has
warmed.
"
Press the "A/C" button on for dehumidi-
fied heating.
"
Choose floor/windshield air flow to heat
the vehicle interior while defrosting or
defogging the windshield.
310
05 SIENNA_U (L/O 0409)
Air conditioning
For best results, set controls to:
Fan speed—Any setting except "OFF"
Temperature—Towards COLD
(blue zone)
Air intake—FRESH (outside air)
Air flow—PANEL
Air conditioning—ON
"
For quick cooling, select recirculated
air for a few minutes.
Ventilation
For best results, set controls to:
Fan speed—Any setting except "OFF"
Temperature—Towards COLD
(blue zone)
Air intake—FRESH (outside air)
Air flow—PANEL
Air conditioning—OFF
been
Defogging
—The inside of the windshield
For best results, set controls to:
Fan speed—Any setting except "OFF"
Temperature—Towards WARM
(red zone) to heat;
COLD (blue zone) to
cool
Air flow—WINDSHIELD
Turning the air flow selector to the wind-
shield or floor/windshield position turns on
the defogging function with the purpose of
clearing the front view.
When turning the air flow selector to the
windshield or floor/windshield position, the
air intake selects FRESH automatically.
This is to clean up the front view more
quickly.
Press the "A/C" button for dehumidified
heating or cooling. This setting clears the
front view more quickly.
"
On humid days, do not blow cold air
on the windshield—the difference be-
tween the outside and inside tempera-
tures could make the fogging worse.
2005 SIENNA from Sep. '04 Prod. (OM45431U)