2012 TOYOTA SIENNA air condition

386 3-1. Using the air conditioning system and defogger
SIENNA_U (OM45477U)
■Using the system in recirculated air mode
The windows will fog up more easily if the recirculated air mode is used for
an extended period.
■ When
is selected for the air outlets used
For your driving comfort, air flowing to the feet may be warmer than air flow-
ing to the upper body depending on the temperature setting.
■ When the indicator light on flashes
Press
and turn off the air conditioning system before turning it on once
more. There may be a problem in the ai r conditioning system if the indicator
light continues to flash. Turn the air conditioning system off and have it
inspected by your Toyota dealer.
■ Air conditioning odors
● During use, various odors from inside and outside the vehicle may enter
into and accumulate in the air conditioning system. This may then cause
odor to be emitted from the vents.
● To reduce potential odors from occurring:
It is recommended that the air conditioning system be set to outside air
mode prior to turning the vehicle off.

387
3-1. Using the air conditioning system
and defogger
3
Interior features
SIENNA_U (OM45477U)
CAUTION
■To prevent the windshield from fogging up
Do not use during cool air operation in extremely humid weather. The
difference between the temperature of the outside air and that of the wind-
shield can cause the outer surface of the windshield to fog up, blocking your
vision.
NOTICE
■To prevent battery discharge
Do not leave the air conditioning system on longer than necessary when the
engine is stopped.

388
3-1. Using the air conditioning system and defogger
SIENNA_U (OM45477U)
Front automatic air conditioning system
: If equipped
Airflow and outlets are automatically adjusted according to the tem-
perature setting.
Control panel
Changes the rear air outlets used
Simultaneous mode
Passenger’s side
temperature control
Rear air conditioning on/off switch
Outside air or recirculated air mode Off
Windshield
defogger
Front fan speedRear temperature control
Rear fan speed Front air conditioning on/off switch
Automatic
mode
Changes the front
air outlets used
Driver’s side
temperature control dial

389
3-1. Using the air conditioning system
and defogger
3
Interior features
SIENNA_U (OM45477U)
Using the automatic mode
Press .
The air conditioning system will begin to operate. In outside air or
recirculated air mode, air outlets, fan speed and air conditioning on/
off are automatically adjusted according to the temperature setting.
“AUTO” will be displayed on the multi-information display.
Turn the temperature control dial clockwise (warm) or coun-
terclockwise (cool).
The temperature for the driver and passenger seat can be set sepa-
rately.
Multi-information display
Automatic mode indicator
Passenger’s side
temperature setting display
Front fan speed
display
Rear airflow display
Rear temperature setting display
Rear fan speed display
Air conditioning
on indicator
Front Airflow display
Driver’s side
temperature
setting display
STEP1
STEP2

390 3-1. Using the air conditioning system and defogger
SIENNA_U (OM45477U)
Adjusting the settings
■ Adjusting the temperature setting
Turn the temperature control dial clockwise (warm) or counter-
clockwise (cool).
The air conditioning system switch es between individual and simulta-
neous modes each time is pressed.
Individual mode: The temperature for the driver’s, passenger’s and rear seats can be set separately. Operating the passenger’s
side or rear temperature control will enter individual
mode.
Simultaneous mode: Only the temperature control dial (driver’s side) can be used to adjust the temperature for all seats.
■Adjusting the fan speed
Press “ ” (increase) or “ ” (decrease) on .
The fan speed is shown on the display. (7 levels)
Press to turn the fan off.

391
3-1. Using the air conditioning system
and defogger
3
Interior features
SIENNA_U (OM45477U)
Adjusting the settings manually
■ Basic setting
To turn on the air conditioning system and adjust the fan
speed, press “ ” on to increase the fan speed and “ ” to
decrease the fan speed.
Press to turn the fan off.
To adjust the temperature setting, turn the temperature control
dial (driver’s side) clockwise to increase the temperature and
turn the temperature control dial (driver’s side) counterclock-
wise to decrease the temperature.
When is pressed or the passenger’s side temperature
control is pressed, the temper ature for the driver and passen-
ger seats can be adjusted separately.
Press .
STEP1
STEP2
STEP3

392 3-1. Using the air conditioning system and defogger
SIENNA_U (OM45477U)
The air outlets switch each time is pressed. The air flow
shown on the display indicates the following.
Air flows to the upper body.
Air flows to the upper body and
feet.
Air flows mainly to the feet.

393
3-1. Using the air conditioning system
and defogger
3
Interior features
SIENNA_U (OM45477U) Air flows to the feet and the
windshield defogger operates.
■ Switching between outside air and recirculated air modes
Press .
The mode switches between outside air mode (introduces air from out-
side the vehicle) (indicator off) and recirculated air mode (recycles air
inside the vehicle) (indicator on) each time the button is pressed.
Changing the rear setting
■ Adjusting the temperature setting
Press (indicator on).
Press “ ” on to increase the temperature and “ ” to
decrease the temperature.
The air conditioning system switches between individual and simul-
taneous modes each time is pressed.
STEP1
STEP2