2005 TOYOTA SIENNA air condition

05 SIENNA_U (L/O 0409)
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2005 SIENNA from Sep. ’04 Prod. (OM45431U)
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.A U T O M AT I C O P E R AT I O N
Press in the “AUTO” button.
Temperature— To the desired
temperature
MANUAL OPERATION
For best results, set controls to:
Heating
Fan speed— To the desired fan speed
Temperature— Towards high temperature
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 been
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. Air conditioning
Fan speed— To the desired fan speed
Temperature— Towards low temperature
Air intake—FRESH (outside air)
Air flow—PANEL
Air conditioning—ON
For quick cooling, select recirculated
air for a few minutes.
Ventilation
Fan speed— To the desired fan speed
Temperature— To w a r d s low temperature
Air intake—FRESH (outside air)
Air flow—PANEL
Air conditioning—OFF

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2005 SIENNA from Sep. ’04 Prod. (OM45431U)
1. Fan speed selector (rear)
2. Air flow selectors
3. Temperature selector
4. Fan speed selector (front)
Rear manual air conditioning system—
—Controls

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2005 SIENNA from Sep. ’04 Prod. (OM45431U)
Fan speed selector (front)
This selector knob is used to turn the rear
air conditioning system on/off and adjust
the fan speed.
In the “REAR” position, you can operate
the system by the rear controllers.
Turn the knob to adjust the fan speed—to
the right to increase, to the left to de-
crease.
Turning the knob to the “OFF” position
turns the system off and it cannot be
operated by the rear controllers.
Fan speed selector (rear)
When the front fan speed selector is in
the “REAR” position, you can operate the
rear fan speed selector.
Turn the knob to adjust the fan speed—to
the right to increase, to the left to de-
crease.
Temperature selector
Turn the knob to adjust the tempera-
ture—to the right to warm, to the left to
cool.
Air flow selectors
Push the button to select the vents used
for air flow.1. Panel— Air flows from the roof panel
vents.
2. Bilevel— Air flows from both the roof
panel vents and floor vent.
3. Floor— Air flows from the floor vent.
—Air flow selector settings

05 SIENNA_U (L/O 0409)
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2005 SIENNA from Sep. ’04 Prod. (OM45431U)
1. “AUTO” button
2. Air flow selectors
3. Temperature selector (rear)
4. Fan speed selectors
5. “OFF” button
6. “REAR” button
7. Temperature selector (front)
Rear automatic air conditioning system—
—Controls

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2005 SIENNA from Sep. ’04 Prod. (OM45431U)
“AUTO” button
For automatic operation of the rear air
conditioning, press the “AUTO” button. An
indicator light will illuminate to show that
the automatic operation mode has been
selected.
In the automatic operation mode, the air
conditioning selects the most suitable fan
speed and air flow according to the tem-
perature.
You may use manual controls if you want
to select your own settings.
Fan speed selectors
Push the button to select the fan speed
mode.
In the automatic operation mode, the fan
speed is adjusted automatically unless you
desire another fan speed mode.Temperature selectors
To increase the temperature, press the
“
 ” side. To decrease it, press the “ ”
side.
“LO” appears when you adjust to maxi-
mum cooling, and “HI” appears when you
adjust to maximum warming.
When “SYNC” appears on the rear tem-
perature display, rear controls cannot be
used. Use the controls on the front control
panel. To cancel this function, push the
“SYNC” button. For details about the
“SYNC” button, see “Front automatic air
conditioning system” on page 312 in this
Section.
The temperature display changes between
“  C” and “ F” when the unit of the outside
temperature display is changed. (For de-
tails, see “Multi −information display” on
page 326 in Section 1 −10.)
“REAR” button
To turn on the rear air conditioning system
using the front control panel, push the
button. To turn it off, push the button
again.
“OFF” button
Push the button to turn off the rear air
conditioning system.
Air flow selectors
Push the button to select the vents used
for air flow. 1. Panel— Air flows from the roof panel
vents.
2. Bilevel— Air flows from both the roof
panel vents and floor vent.
3. Floor— Air flows from the floor vent.

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2005 SIENNA from Sep. ’04 Prod. (OM45431U)
The air conditioning filter information
label is placed on the right side of the
glove box as shown and indicates that
a filter has been installed.
The air conditioning filter prevents dust
from entering the vehicle through the air
conditioning vent.The air conditioning filter is behind the
glove box.
—Air flow selector settings Air conditioning filter—

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2005 SIENNA from Sep. ’04 Prod. (OM45431U)
The air conditioning filter may clog af-
ter long use. The filter may need to be
replaced if the air flow of the air condi-
tioning and heater experiences extreme
reductions in operating efficiency, or if
the windows begin to fog up easily.
To maintain the air conditioning efficiency,
inspect and replace the air conditioning
filter according to the maintenance sched-
ule. In dusty areas or areas with heavy
traffic flow, such as inner city or desert
areas, early replacement may be required.
(For scheduled maintenance information,
please refer to the “Scheduled Mainte-
nance Guide” or “Owner ’s Manual Supple-
ment”.)
1. Open the glove box, and slide offthe damper as shown.2. Push in each side of the glove boxto disconnect the claws.
—Checking and replacing the
air conditioning filter

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2005 SIENNA from Sep. ’04 Prod. (OM45431U)
Operate the multiinformation display
with the ignition switch on.
When the ignition switch is turned to
“ON”, the last previously used mode dis-
played just before the ignition switch is
turned off will appear.
When the instrument panel lights are
turned on, the brightness of the display
will be reduced.
—Before using the
multiinformation display
Indication
English/U.S.
Customary
System (E) Metric (M) Outside
temperature
F
 C Instantaneous fuel consumption/
Average fuel consumption
MPG
L/100 km Distance to empty
MI
km
“E/M” button
This button is used to switch between English/U.S. Customary System and
metric units.
Each time you push this button, the display switches. This is also linked to the front
and rear air conditioning displays. The display variations are as follows;