Toyota Mirai (2022 year). Manual in english — page 20

The indicator on the ALL AUTO
control screen illuminates, and the
automatic air conditioning system,
seat heaters and ventilators, and
heated steering wheel operate in
automatic mode.
If any of the system is operated
manually, the indicator turns off.
However, all other functions con-
tinue to operate in automatic mode.

■

Automatic air conditioning
system (



P.332)

The temperature can be

adjusted independently for each
seat.

■

Seat heaters (if equipped)
and ventilators (if
equipped) (



P.342)

Heating or ventilation is auto-
matically selected according to
the set temperature of the air
conditioning system, the out-
side temperature, etc.

■

Heated steering wheel (if
equipped) (



P.342)

Heated steering wheel operates
automatically according to the
set temperature of the air condi-
tioning system, the outside tem-
perature, etc.

■

Passenger detection functions

When a passenger is detected in

the front passenger seat, the seat

heater and ventilator will operate

automatically.

■

Seat heater (if equipped)/venti-

lator operation (if equipped)

When automatic mode is selected

using the seat heater/ventilator

switch, passenger detection is not

performed.

■

Rear seat heater operation

(vehicles with 3-ZONE climate

control)

The rear seat heaters are not con-

trolled by the ALL AUTO control.

ALL AUTO control

The seat heaters, seat venti-
lators and heated steering
wheel (if equipped) are each
automatically controlled
according to the set tem-
perature of the air condi-
tioning system, the outside
and cabin temperature, etc.
ALL AUTO control allows a
comfortable condition to be
maintained without adjust-
ing each system.

Turning on ALL AUTO
control

Operation of each system

325

6-1. Using the air conditioning system and defogger

Interior

featur

Automatic mode switch

“OFF” switch

Outside/recirculated air mode

“A/C” switch

“SYNC” switch

Eco air conditioning mode switch

Right-hand side temperature control knob

Airflow mode control knob

Fan speed control knob

Left-hand side temperature control knob

Rear window and outside rear view mirror defoggers switch

Windshield defogger switch

■

Adjusting the temperature
setting

Operate the temperature con-
trol knob upwards to increase
the temperature and downwards

to decrease the temperature.

If the “A/C” switch is not pressed,
the system will blow ambient tem-
perature air or heated air.

Automatic air conditioning system (vehicles with

8-inch display)

Air outlets and fan speed are automatically adjusted accord-
ing to the temperature setting.

Air conditioning controls

326

6-1. Using the air conditioning system and defogger

■

Setting the fan speed

Press the fan speed increase
switch to increase the fan speed
and the fan speed decrease
switch to decrease the fan
speed.

Press the “OFF” switch to turn the
fan off.

■

Change the airflow mode

Press the airflow mode control
switch.

The airflow mode changes as fol-
lows each time the switch 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.

■

Switching between outside
air and recirculated air
modes

Press the outside/recirculated

air mode switch.

The mode switches between out-
side air mode and recirculated air
mode each time the switch is oper-
ated.
When recirculated air mode is
selected, the indicator illuminates
on the outside/recirculated air
mode switch.

■

Set cooling and dehumidifi-
cation function

Press the “A/C” switch.

When the function is on, the indica-
tor illuminates on the “A/C” switch.

■

Eco air conditioning mode

The air conditioning is controlled
with low fuel consumption priori-
tized such as reducing fan
speed, etc.
Press the eco air conditioning
mode switch.

When the eco air conditioning
mode is on, the indicator illumi-
nates on the eco air conditioning
mode switch.

■

Defogging the windshield

Defoggers are used to defog the
windshield and front side win-
dows.
Press the windshield defogger
switch.

327

6-1. Using the air conditioning system and defogger

Interior

featur

To return to the previous mode,
press the windshield defogger
switch again when the windshield is
defogged.
When the windshield defogger
switch is on, the indicator illumi-
nates on the windshield defogger
switch.

■

Defogging the rear window
and outside rear view mir-
rors

Defoggers are used to defog the
rear window and to remove rain-
drops, dew and frost from the
outside rear view mirrors.
Press the rear window and out-
side rear view mirror defoggers
switch.

The defoggers will automatically
turn off after 15 minutes.
When the rear window and outside
rear view mirror defoggers switch is
on, the indicator illuminates on the
rear window and outside rear view
mirror defoggers switch.

■

When the outside temperature

exceeds 75°F (24°C) and the air

conditioning system is on

●

In order to reduce the air condi-

tioning power consumption, the air

conditioning system may switch to

recirculated air mode automati-

cally.

This may also reduce fuel con-

sumption.

●

Recirculated air mode is selected

as a default mode when the power

switch is turned to ON.

●

It is possible to switch to outside

air mode at any time by pressing

the outside/recirculated air mode

switch.

■

Fogging up of the windows

●

The windows will easily fog up

when the humidity in the vehicle is

high. Turning the cooling and

dehumidification function on will

dehumidify the air from the outlets

and defog the windshield effec-

tively.

●

If you turn the cooling and dehu-

midification function off, the win-

dows 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

vehicle 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.

■

Outside/recirculated air mode

●

Setting to the recirculated air

mode temporarily is recom-

mended in preventing 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 depending on

the temperature setting or the

inside temperature.

■

When the outside temperature

falls to nearly 32°F (0°C)

The dehumidification function may

not operate even when “A/C” switch

is pressed.

■

Operation of the air condition-

ing system in Eco drive mode

●

In Eco drive mode, the air condi-

tioning system is controlled as fol-

lows to prioritize fuel efficiency:

• Fuel cell system and compressor

operation controlled to restrict

heating/cooling capacity

• Fan speed restricted when auto-

matic mode is selected

328

6-1. Using the air conditioning system and defogger

●

To improve air conditioning perfor-

mance, perform the following

operations:

• Adjust the fan speed

• Turn off Eco drive mode (



P.313)

• Turn off Eco air conditioning mode

●

When the driving mode is set to

Eco drive mode, the Eco air condi-

tioning mode will be turned on

automatically. Even in this case,

the Eco air conditioning mode can

be turned off by pressing the Eco

air conditioning mode switch.

■

Ventilation and air conditioning

odors

●

To let fresh air in, set the air condi-

tioning system to the outside air

mode.

●

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.

●

In order to suppress odors that

occur when the air conditioning

system starts, the air flow mode

may change to blow air to the feet

or air may stop blowing for a short

period of time immediately after

the air conditioning system is

started in automatic mode.

●

When parking, the system auto-

matically switches to outside air

mode to encourage better air cir-

culation throughout the vehicle,

helping to reduce odors that occur

when starting the vehicle.

■

Air conditioning filter



P.419

■

Air conditioning system refrig-

erant

●

A label regarding the refrigerant of

the air conditioning system is

attached to the hood at the loca-

tion shown in the following illustra-

tion.

●

The meaning of each symbol on

the label are as follows:

■

Customization

Some functions can be customized.

(Customizable features:



P.507)

Caution

Air conditioning sys-
tem

Air conditioning sys-
tem lubricant type

Requires registered
technician to service
air conditioning sys-
tem

Flammable refrigerant

WARNING

■

To prevent the windshield

from fogging up

Do not use the windshield defog-

ger switch during cool air opera-

tion in extremely humid weather.

The difference between the tem-

perature of the outside air and

that of the windshield can cause

the outer surface of the wind-

shield to fog up, blocking your

vision.

329

6-1. Using the air conditioning system and defogger

Interior

featur

Press the “AUTO” switch.

Adjust the temperature set-
ting.

To stop the operation, press
the “OFF” switch.

If the fan speed setting or air
flow modes are operated, the
automatic mode indicator goes
off. However, automatic mode
for functions other than that
operated is maintained.

■

Using automatic mode

Fan speed is adjusted automati-

cally according to the temperature

setting and the ambient conditions.

Therefore, the fan may stop for a

while until warm or cool air is ready

to flow immediately after the auto-

matic mode switch is pressed.

To turn on the “SYNC” mode,
press the “SYNC” switch.

The driver’s side temperature con-
trol knob can be used to adjust the
temperature for the driver’s and
passenger’s side. To enter individ-
ual mode, operate the passenger’s
side temperature control knob or
press the “SYNC” switch again.
When the “SYNC” mode is on, the
indicator illuminates on the “SYNC”
switch.

This feature is used to prevent
ice from building up on the wind-
shield and wiper blades.
Press the switch to turn the sys-
tem on/off.

The indicator comes on when the
system is on.
The windshield wiper de-icer will
automatically turn off after approxi-
mately 15 minutes.

WARNING

■

When the outside rear view

mirror defoggers are operat-

ing

Do not touch the rear view mirror

surfaces when the outside rear

view mirror defoggers are on.

NOTICE

■

To prevent 12-volt battery dis-

charge

Do not leave the air conditioning

system on longer than necessary

when the fuel cell system is off.

■

When repairing/replacing

parts of the air conditioning

system

Have repair/replacement per-

formed by your Toyota dealer.

When a part of the air conditioning

system, such as the evaporator, is

to be replaced, it must be

replaced with a new one.

Using automatic mode

Adjusting the temperature
for driver and passenger
seats simultaneously
(“SYNC” mode)

Windshield wiper de-icer
(if equipped)

330

6-1. Using the air conditioning system and defogger

■

Location of air outlets

The air outlets and air volume
change according to the
selected air flow mode.

■

Adjusting the air flow direc-
tion and opening/closing
the air outlets



Front

Direct air flow to the left or
right, up or down

Open the vent

Close the vent



Rear

Direct air flow to the left or
right, up or down

Open the vent

Close the vent

WARNING

■

To prevent burns

Do not touch the glass at lower

part of the windshield or to the

side of the front pillars when the

windshield wiper deicer is on.

Air outlet layout and oper-
ations

331

6-1. Using the air conditioning system and defogger

Interior

featur

WARNING

■

To not interrupt the wind-

shield defogger from operat-

ing

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 defog-

ging.

332

6-1. Using the air conditioning system and defogger

Left-hand side temperature control switches

Airflow mode control switch

Fan speed increase switch

Fan speed decrease switch

“Option” switch

Right-hand side temperature control switches

“SYNC” or “3-ZONE” switch

Automatic air conditioning system (vehicles with

12.3-inch display)

Air outlets and fan speed are automatically adjusted accord-
ing to the temperature setting.

The air conditioning system can be operated using the air
conditioning control panel and air conditioning control
screen on the Toyota multi-operation touch.

For details about Toyota multi-operation touch, refer to P.353.

Air conditioning controls

333

6-1. Using the air conditioning system and defogger

Interior

featur

Outside/recirculated air mode switch

Eco air conditioning mode switch

“A/C” switch

Rear air conditioning control screen select switch

Automatic mode switch

Windshield defogger switch

Rear window and outside rear view mirror defoggers switch

“OFF” switch

■

Adjusting the temperature
setting

Press

of the temperature

control switches on the air con-
ditioning control panel or select

of the temperature control

switches on the air conditioning
control screen to increases the
temperature.

Press

of the temperature

control switches on the air con-
ditioning control panel or select

of the temperature control

switches on the air conditioning
control screen to decreases the
temperature.

If the switch is pressed and held or
selected and held, the temperature
will continuously change.
If the indicator on the “A/C” switch
does not illuminate, the system will
blow ambient temperature air or

heated air.

■

Setting the fan speed

Press the fan speed increase
switch on the air conditioning
control panel or select the fan
speed increase switch on the air
conditioning control screen to
increase the fan speed.
Press the fan speed decrease
switch on the air conditioning
control panel or select the fan
speed decrease switch on the
air conditioning control screen to
decrease the fan speed.

Press the “OFF” switch on the air
conditioning control panel to turn
the fan off.

■

Change the airflow mode

Select the airflow mode control
switch on the air conditioning
control screen.

The airflow mode changes each
time the switch is selected.

: Air flows to the upper body

334

6-1. Using the air conditioning system and defogger

and feet

: Air flows to the feet

: Air flows to the feet and the

windshield defogger operates

■

Switching between outside
air and recirculated air
modes

Select the outside/recirculated
air mode switch on the air condi-
tioning control screen.

The mode switches between out-
side air mode and recirculated air
mode each time the switch is
selected.
When recirculated air mode is
selected, the indicator illuminates
on the outside/recirculated air
mode switch.

■

Set cooling and dehumidifi-
cation function

Select the “A/C” switch on the
air conditioning control screen.

When the function is on, the indica-
tor illuminates on the “A/C” switch.

■

Eco air conditioning mode

The air conditioning is controlled
with low fuel consumption priori-
tized such as reducing fan
speed, etc.
Select the eco air conditioning
mode switch on the air condi-
tioning control screen.

When the eco air conditioning
mode is on, the indicator illumi-
nates on the eco air conditioning
mode switch.

■

Defogging the windshield

Defoggers are used to defog the
windshield and front side win-
dows.
Press the windshield defogger
switch on the air conditioning
control panel.

Set the outside/recirculated air
mode switch to outside air mode if
the recirculated air mode is used. (It
may switch automatically.)
To defog the windshield and the
side windows quickly, turn the air
flow and temperature up.
To return to the previous mode,
press the windshield defogger
switch again when the windshield is
defogged.
When the windshield defogger
switch is on, the indicator illumi-
nates on the windshield defogger
switch.

■

Defogging the rear window
and outside rear view mir-
rors

Defoggers are used to defog the
rear window and to remove rain-
drops, dew and frost from the
outside rear view mirrors.
Press the rear window and out-
side rear view mirror defoggers
switch on the air conditioning
control panel.

335

6-1. Using the air conditioning system and defogger

Interior

featur

mirror defoggers switch.

■

Option control screen

Select the “Option” switch to dis-
play the option control screen.

The functions can be switched on
and off.
When the function is on, the indica-
tor illuminates on the screen.

Front seat concentrated air-
flow mode (S-FLOW)
(



P.338)

Select to display the previous
screen.

Windshield wiper de-icer (if
equipped) (



P.338)

■

When the outside temperature

exceeds 75°F (24°C) and the air

conditioning system is on

●

In order to reduce the air condi-

tioning power consumption, the air

conditioning system may switch to

recirculated air mode automati-

cally.

This may also reduce fuel con-

sumption.

●

Recirculated air mode is selected

as a default mode when the power

switch is turned to ON.

●

It is possible to switch to outside

air mode at any time by selecting

the outside/recirculated air mode

switch.

■

Fogging up of the windows

●

The windows will easily fog up

when the humidity in the vehicle is

high. Turning the cooling and

dehumidification function on will

dehumidify the air from the outlets

and defog the windshield effec-

tively.

●

If you turn the cooling and dehu-

midification function off, the win-

dows 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

vehicle 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.

■

Outside/recirculated air mode

●

Setting to the recirculated air

mode temporarily is recom-

mended in preventing 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 depending on

the temperature setting or the

inside temperature.

■

When the outside temperature

falls to nearly 32°F (0°C)

The dehumidification function may

not operate even when “A/C” switch

is selected.

■

Operation of the air condition-

ing system in Eco drive mode

●

In Eco drive mode, the air condi-

tioning system is controlled as fol-

lows to prioritize fuel efficiency:

• Fuel cell system and compressor

operation controlled to restrict

heating/cooling capacity

• Fan speed restricted when auto-

matic mode is selected

336

6-1. Using the air conditioning system and defogger

●

To improve air conditioning perfor-

mance, perform the following

operations:

• Adjust the fan speed

• Turn off Eco drive mode (



P.313)

• Turn off Eco air conditioning mode

●

When the driving mode is set to

Eco drive mode, the Eco air condi-

tioning mode will be turned on

automatically. Even in this case,

the Eco air conditioning mode can

be turned off by selecting the Eco

air conditioning mode switch.

■

When cleaning the air condi-

tioning control panel

Touch switches may respond when

cleaning. Turn the power switch to

OFF before proceeding with clean-

ing.

■

Ventilation and air conditioning

odors

●

To let fresh air in, set the air condi-

tioning system to the outside air

mode.

●

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.

●

In order to suppress odors that

occur when the air conditioning

system starts, the air flow mode

may change to blow air to the feet

or air may stop blowing for a short

period of time immediately after

the air conditioning system is

started in automatic mode.

●

When parking, the system auto-

matically switches to outside air

mode to encourage better air cir-

culation throughout the vehicle,

helping to reduce odors that occur

when starting the vehicle.

■

Air conditioning filter



P.419

■

Air conditioning system refrig-

erant

●

A label regarding the refrigerant of

the air conditioning system is

attached to the hood at the loca-

tion shown in the following illustra-

tion.

●

The meaning of each symbol on

the label are as follows:

■

Customization

Some functions can be customized.

(Customizable features:



P.507)

Caution

Air conditioning sys-
tem

Air conditioning sys-
tem lubricant type

Requires registered
technician to service
air conditioning sys-
tem

Flammable refrigerant

337

6-1. Using the air conditioning system and defogger

Interior

featur

Press the “AUTO” switch on
the air conditioning control
panel.

Adjust the temperature set-
ting.

To stop the operation, press
the “OFF” switch on the air
conditioning control panel.

If the fan speed setting or air
flow modes are operated, the
automatic mode indicator goes
off. However, automatic mode
for functions other than that
operated is maintained.

■

Using automatic mode

Fan speed is adjusted automati-

cally according to the temperature

setting and the ambient conditions.
Therefore, the fan may stop for a

while until warm or cool air is ready

to flow immediately after the auto-

matic mode switch is pressed.



Vehicles with DUAL-ZONE
climate control

To turn on the “SYNC” mode,
select the “SYNC” switch on the
air conditioning control screen.

The driver’s side temperature con-
trol switches can be used to adjust
the temperature for the driver’s and
passenger’s side. To enter individ-
ual mode, operate the passenger’s
side temperature control switches
or select the “SYNC” switch again.
When the “SYNC” mode is on, the
indicator illuminates on the “SYNC”
switch.



Vehicles with 3-ZONE cli-
mate control

To turn on the “3-ZONE” mode,
select the “3-ZONE” switch on
the air conditioning control
screen.

WARNING

■

To prevent the windshield

from fogging up

Do not use the windshield defog-

ger switch during cool air opera-

tion in extremely humid weather.

The difference between the tem-

perature of the outside air and

that of the windshield can cause

the outer surface of the wind-

shield to fog up, blocking your

vision.

■

When the outside rear view

mirror defoggers are operat-

ing

Do not touch the rear view mirror

surfaces when the outside rear

view mirror defoggers are on.

NOTICE

■

To prevent 12-volt battery dis-

charge

Do not leave the air conditioning

system on longer than necessary

when the fuel cell system is off.

Using automatic mode

Adjusting the temperature
for driver and passenger
seats simultaneously
(“SYNC” mode)

338

6-1. Using the air conditioning system and defogger

or select the “3-ZONE” switch
again.
When the “3-ZONE” mode is on,
the indicator illuminates on the “3-
ZONE” switch.

This function automatically con-
trols the air conditioning airflow
so that priority is given to the
front seats. When the front pas-
senger seat is not occupied, air-
flow may switch to only the
driver’s seat. Unnecessary air
conditioning is suppressed, con-
tributing to increased fuel effi-
ciency.
Front seat concentrated airflow
mode operates in the following
situations.



No passengers are detected
in the rear seats



The windshield defogger is
not operating

While operating,

illuminates.

■

Manually turning front seat
concentrated airflow mode
on/off

In front seat concentrated air-
flow mode, directing airflow to
the front seats only and to all
seats can be switched via switch
operation. When the mode has
been switched manually, auto-
matic airflow control stops oper-
ating.

Select

on the option control

screen of the air conditioning
control screen and switch the
airflow.



Indicator illuminated: Airflow
to the front seats only



Indicator off: Airflow to the all
seats

■

Operation of automatic airflow

control

●

In order to maintain a comfortable

interior, airflow may be directed to

seats without passengers immedi-

ately after the fuel cell system is

started and at other times depend-

ing on the outside temperature.

●

After the fuel cell system is

started, if passengers move

around inside or enter/exit the

vehicle, the system cannot accu-

rately detect the presence of pas-

sengers and automatic airflow

control will not operate.

■

Operation of manual airflow

control

Even if the function is manually

switched to directing airflow to only

the front seats, when a rear seat is

occupied, it may automatically direct

airflow to all seats.

■

To return to automatic airflow

control

With the indicator off, turn the

power switch to OFF.

After 60 minutes or more elapse,

turn the power switch to ON.

This feature is used to prevent
ice from building up on the wind-
shield and wiper blades.

Front seat concentrated
airflow mode (S-FLOW)

Windshield wiper de-icer
(if equipped)

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