2020 TOYOTA PRIUS C Owners Manual

3776-1. Using the air conditioning system and defogger
6
Interior features
PRIUS c_U■
Fan speed setting
To adjust the fan speed, press on to increase the fan
speed and to decr
ease the fan speed.
Press to turn the fan off.
■
Changing airflow modes
To change the airflow mode,
press .
The air outlets used are
switched each time the button is
pressed.
Air flows to the upper body.
Air flows to the upper body
and feet.
Air flows to the feet.
Air flows to the feet and the
windshield defogger oper-
ates.
Press .
The air conditioning system begins to operate. Air outlets and fan
speed are automatically adjusted according to the temperature s et-
ting.
Adjust the temperature setting.
To stop the operation, press .
■Automatic mode indicator
If the fan speed setting or air flow modes are operated, the au to-
matic mode indicator goes off. However, automatic mode for func -
tions other than that o perated is maintained.
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Using automatic mode
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3786-1. Using the air conditioning system and defogger
PRIUS c_U■
Switching between outside air
and recirculated air modes
Press .
The mode switches between outside air mode (the indicator is of f) and
recirculated air mode (the indicator is on) each time the butto n is
pressed.
■
Defogging the windshield
Defoggers are used to defog the windshield and front side win-
dows.
Press .
The dehumidification function operates and fan speed increases.
Set the outside/recirculated air mode button to the outside air mode if
the recirculated air mode is used. (It may switch automatically .)
To defog the windshield and the side windows early, turn the ai r flow and
temperature up.
To return to the previous mode, press again when the wind-
shield is defogged.
■
Defogging the rear window and outside rear view mirrors (if
equipped)
Defogger(s) are used to defog the rear window, and to remove ra in-
drops, dew and frost from the outside rear view mirrors (if
equipped).
Press .
The defogger(s) will automatically turn off after a period of t ime.
Other functions

3796-1. Using the air conditioning system and defogger
6
Interior features
PRIUS c_U■
Location of a
ir outlets
The air outlets and air volume
change according to the
selected airflow mode.
: Some models
■
Adjusting the position of and opening and closing the air out-
lets
Center outlets
Direct air flow to the left or right,
up or down.
Right and left side outlets (type A)
Direct air flow to the left or right,
up or down.
Air outlets

3806-1. Using the air conditioning system and defogger
PRIUS c_U
Open the vent
Close the vent
Right and left side outlets (type B)
Direct air flow to the left or right,
up or down.
Open the vent
Close the vent
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3816-1. Using the air conditioning system and defogger
6
Interior features
PRIUS c_U
■Operation of the air conditioning system in Eco drive mode
In Eco drive mode, the air conditioning system is controlled as follows to pri-
oritize fuel efficiency:
● Engine speed and compressor operation controlled to restrict heating/cool-
ing capacity
● Fan speed restricted when automatic mode is selected
To improve air conditioning perf ormance, perform the following operations:
● Adjust the fan speed
● Turn off Eco drive mode
■ Using automatic mode
Fan speed is adjusted automatically according to the temperatur e setting and
the ambient conditions.
Therefore, the fan may stop for a while until warm or cool air is ready to flow
immediately after is pressed.
■ Fogging up of the windows
●The windows will easily fog up when the humidity in the vehicle is high.
Turning on will dehumidify the air from the outlets and defog the wind-
shield effectively.
● If you turn off, the windows may fog up more easily.
● The windows may fog up if the recirculated air mode is used.
■ When driving on dusty roads
Close all windows. If dust thrown up by the vehicle is still drawn into the vehi-
cle after closing the windows, it is recommended that the air intake mode be
set to outside air mode and the fan speed to any setting except off.

3826-1. Using the air conditioning system and defogger
PRIUS c_U■
Outside/recirculated air mode
●Setting to the recirculated air mode temporarily is recommended in prevent-
ing dirty air from entering the vehicle interior and helping to cool the vehicle
when the outside air temperature is high.
● Outside/recirculated air mode may automatically switch dependin g on the
temperature setting or the inside temperature.
■ When the outside temperature exceeds 75 F (24 C) and the air condition-
ing system is on
● In order to reduce the air conditioning power consumption, the air condition-
ing system may switch to recirculated air mode automatically. This may also
reduce fuel consumption.
● Recirculated air mode is selected as a default mode when the power switch
is turned to the “ON” position (vehicles without a smart key system) or the
power switch is turned to ON mode (vehicles with a smart key system).
● It is possible to switch to outside air mode at any time by pre ssing .
■ When the outside tempera ture falls to nearly 32F (0 C)
The dehumidification function may not operate even when is pre ssed.
■ Ventilation and air conditioning odors
●To let fresh air in, set the air conditioning system to the out side air mode.
● During use, various odors from inside and outside the vehicle m ay enter into
and accumulate in the air conditioning system. This may then ca use odor to
be emitted from the vents.
● To reduce potential odors from occurring:
• It is recommended that the air conditioning system be set to o utside air
mode prior to turning the vehicle off.
• The start timing of the blower may be delayed for a short peri od of time
immediately after the air conditioning system is started in aut omatic
mode.
■ Air conditioning filter
P. 449
■ Customization
Settings (e.g. A/C auto switch operation) can be changed.
(Customizable features: P. 561)

3836-1. Using the air conditioning system and defogger
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Interior features
PRIUS c_U
WARNING
■To prevent the windshield from fogging up
● Do not use during cool air operation in extremely humid weathe r.
The difference between the temperature of the outside air and t hat of the
windshield can cause the outer surface of the windshield to fog up, block-
ing your vision.
■ When the outside rear view mirror defoggers are on (if equipped )
Do not touch the outside surface of the rear view mirrors, as t hey can
become very hot and burn you.
NOTICE
■ To prevent 12-volt b attery discharge
Do not leave the air conditioning system on longer than necessa ry when the
hybrid system is off.
● Do not place anything on the instrument
panel which may cover the air outlets.
Otherwise, air flow may be obstructed,
preventing the windshield defoggers
from defogging.

3846-1. Using the air conditioning system and defogger
PRIUS c_U
Turns on the front left seat
heater
Turns on the front right seat
heater
The indicator light comes on.
Push the switch once again to turn
off the seat heater.
■The seat heaters can be used when
The power switch is in ON mode.
■ When not in use
Turn the seat heater off. The indicator light goes off.
Seat heaters
: If equipped
WARNING
●Care should be taken to prevent injury if anyone in the following categories
comes in contact with the seats when the heater is on:
• Babies, small children, the elderly, the sick and the physical ly chal-
lenged
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or drugs that induce sleep (sle eping
drugs, cold remedies, etc.)
● Observe the following precautions to prevent the minor burns or overheat-
ing
• Do not cover the seat with a blanket or cushion when using the seat
heater.
• Do not use seat heater more than necessary.
NOTICE
● Do not put heavy objects that have an uneven surface on the sea t and do
not stick sharp objects (needles, nails, etc.) into the seat.
● To prevent 12-volt battery discharge, do not use the functions when the
hybrid system is off.
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