TOYOTA PRIUS 2009 2.G Owners Manual

201
3-2. Using the air conditioning system
and defogger
3
Interior features
PRIUS_U_(OM47614U)■
Switching between outside air and recirculated air modes
Press .
The mode switches between (recycles air inside the vehicle) and
(introduces air from outside the vehicle) modes each time the but-
ton is pressed.
●When the system is switched to automatic mode, the air conditioning system operates automatically. However, recirculated air mode will be
activated if it is selected manually.
●If the hybrid system is turned off in the outside air mode, the automatic control of the air intake is activated when the hybrid system is turned
on again.
indicator will come on in the instrument cluster wh ile the recircu-
lated air mode is selected.
Defogging the windshield
Press
.
The air conditioning system con-
trol operates automatically.
indicator will come on in
the instrument cluster while the
windshield air flow mode is on.
ITY32P011

202 3-2. Using the air conditioning system and defogger
PRIUS_U_(OM47614U)
Adjusting the position of and opening and closing the air outlets
Front outlets Direct air flow to the left or
right, up or down
Turn the knob to open or close
the vent
■Using the automatic mode
Fan speed is adjusted automatically in accordance with the temperature set-
ting and ambient conditions. As a result, the following may occur.
● The system may switch automatically to recirculated mode when the
coolest temperature setting is selected in summer.
● Immediately after the switch is pressed, the fan may stop for a while until
warm or cool air is ready to flow.
■ 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.
■ Window defogger feature
Recirculated air mode may automatically switch to
(outside air) mode
in situations where the windows need to be defogged.
■ Outside temperature approaches 32 F (0 C).
The air conditioning system may not operate even when is touched.
■ 2-way air intake control
To improve fuel economy, OUTSIDE AIR mode control changes when the air
intake selector is set in OUTSIDE AIR on the following conditions:
● When the maximum heating is needed with the air flow in “Floor” or
“Floor/Windshield”, fresh air flows in the upper compartment, while air is
recirculated in the lower compartment.
● When cooling is needed, both fresh and recirculate modes turn on.

203
3-2. Using the air conditioning system
and defogger
3
Interior features
PRIUS_U_(OM47614U)
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 12 volt battery discharge
Do not leave the automatic air conditioning system on longer than necessary
when the hybrid system is not operating.

204
3-2. Using the air conditioning system and defogger
PRIUS_U_(OM47614U)
Automatic air conditioning system (Vehicles without AUX adapter)
Airflow and outlets are automatically adjusted according to the tem-
perature setting.
Press
to display the air conditioning operation screen.
ITY32P009
ODO
TRIP km/h
MPH
INFO
DISPLAY
CLIMATE
AUDIO
75
85 F
Automatic mode Temperature
control
Fan speed display
Off Airflow display
Air conditioning
operation screen
display button Passenger compartment
temperature display
Air conditioning ON/OFF
switch
Outside air or
recirculated mode Windshield defoggerOutside temperature display

205
3-2. Using the air conditioning system
and defogger
3
Interior features
PRIUS_U_(OM47614U)
Using the automatic mode
Press . indicator located in the instrument panel.
The air conditioning system will begin to operate. Air outlets
and fan, and automatically switches between outside air and
recirculated air modes are autom atically adjusted according to
the temperature setting.
Press  to increase the temperature and  to decrease the
temperature.
Adjusting the settings
■ Adjusting the temperature setting
Press  to increase the temperature and  to decrease the temper-
ature.
STEP1
STEP2

206 3-2. Using the air conditioning system and defogger
PRIUS_U_(OM47614U)■
Adjusting the fan speed
Touch any switch of (decrease 
increase) on the operating screen.
Press to turn the fan off.
■ Changing the air outlets
Touch any mode on the operat-
ing screen.
Air flows to the upper body.
: In the beginning of the automatic mode, air might be deliv- ered.
Air flows to the upper body and
feet.
ITY32P010
ITY32P003
ITY32P004

207
3-2. Using the air conditioning system
and defogger
3
Interior features
PRIUS_U_(OM47614U) Air flows to the feet.
Air flows to the feet and the
windshield defogger operates.

208 3-2. Using the air conditioning system and defogger
PRIUS_U_(OM47614U)■
Switching between outside air and recirculated air modes
Press .
The mode switches between (recycles air inside the vehicle) and
(introduces air from outside the vehicle) modes each time the but-
ton is pressed.
●When the system is switched to automatic mode, the air conditioning
system operates automatically. However, recirculated air mode will be
activated if it is selected manually.
●If the hybrid system is turned off in the outside air mode, the automatic control of the air intake is activated when the hybrid system is turned
on again.
indicator will come on in the instrument cluster while the recircu-
lated air mode is selected.
Defogging the windshield
Press
.
The air conditioning system con-
trol operates automatically. indicator will come on in
the instrument cluster while the
windshield air flow mode is on.
ITY32P007

209
3-2. Using the air conditioning system
and defogger
3
Interior features
PRIUS_U_(OM47614U)
Adjusting the position of and opening and closing the air outlets
Front outlets Direct air flow to the left or
right, up or down
Turn the knob to open or close
the vent
■Using the automatic mode
Fan speed is adjusted automatically in accordance with the temperature set-
ting and ambient conditions. As a result, the following may occur.
● The system may switch automatically to recirculated mode when the
coolest temperature setting is selected in summer.
● Immediately after the switch is pressed, the fan may stop for a while until
warm or cool air is ready to flow.
■ 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.
■ Window defogger feature
Recirculated air mode may automatically switch to
(outside air) mode
in situations where the windows need to be defogged.
■ Outside temperatur e approaches 32F (0 C).
The air conditioning system may not operate even when is touched.
■ 2-way air intake control
To improve fuel economy, OUTSIDE AIR mode control changes when the air
intake selector is set in OUTSIDE AIR on the following conditions:
● When the maximum heating is needed with the air flow in “Floor” or
“Floor/Windshield”, fresh air flows in the upper compartment, while air is
recirculated in the lower compartment.
● When cooling is needed, both fresh and recirculate modes turn on.

210 3-2. Using the air conditioning system and defogger
PRIUS_U_(OM47614U)
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
windshield can cause the outer surface of the windshield to fog up, blocking
your vision.
NOTICE
■To prevent 12 volt battery discharge
Do not leave the automatic air conditioning system on longer than necessary
when the hybrid system is not operating.