2020 TOYOTA MIRAI fuel

1905-2. Driving procedures
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Parking the vehicle during cold weather
●Water may automatically purge from the tailpipe, even when the fuel cell
system is off, in order to prevent liquid in the fuel cell stac k, hydrogen pipe-
lines, etc., from freezing.
● It is normal to hear hissing and other sounds during purge. ( P. 88)
● The H
2O indicator on the meter will illuminate during purge.
■ Water release function during cold weather
In the following cases, the fuel cell system automatic drainage may not oper-
ate. It may not be possible to start the fuel cell system due t o the fuel cell
stack, hydrogen pipes, etc, being frozen.
• When transporting or towing the vehicle in frozen areas
• When the 12-volt battery terminals are disconnected and remain as such
in frozen areas
Operate the water release function with the following procedure beforehand
to prevent water from freezing in the system.
Turn the power switch to ON mode and press the H
2O switch.
Check that the H
2O indicator on the meter turns on.
While depressing the brake, press the power switch to start the fuel cell
system.
Check that the “READY” indicator turns on.
Press the power switch to stop the fuel cell system.
The water release is automatically performed. During water purg e, the
H
2O indicator turns on. (Longer than normal water purge)
■ Conditions affecting operation
P. 146
■ Notes for the entry function
P. 147
■ If the fuel cell system does not start
●The immobilizer system may not have been deactivated. ( P. 78)
Contact your Toyota dealer.
● Check that the shift position is P. ( P. 193)
The fuel cell system cannot be started when the shift position is N.
If P position is not selected, “Shift to P position to start” w ill be displayed on
the multi-information display.
● Check that the fuel door is closed.
When the fuel door is open, the fuel cell system cannot be star ted.
Close the fuel door before starting the system. ( P. 216)
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1915-2. Driving procedures
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Driving
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If “Smart Key System Malfunction See Owner’s Manual” is displayed on
the multi-information display
The system may be malfunctioning. Have the vehicle inspected by your
Toyota dealer immediately.
■ If the “READY” indicator does not come on
In the event that the “READY” indicator does not come on even a fter perform-
ing the proper procedures for starting the vehicle, contact you r Toyota dealer
immediately.
■ If the fuel cell system is malfunctioning
P. 426
■ If the electronic key battery is depleted
P. 400
■ Operation of the power switch
If the switch is not pressed shortly and firmly, the power swit ch mode may not
change or the fuel cell system may not start.
■ Automatic P position selection function
●When the shift position is other than P, pressing the power swi tch with the
vehicle stopped completely will cause the shift position to cha nge to P auto-
matically, and then the power switch will turn off.
● When turning the power switch off with the shift position other than P, firmly
depress the brake pedal and confirm that the shift position* ha s changed to
P before slowly releasing the brake pedal.
*: Even after the instrument panel display has been turned off, t he shift
position indicator will continue to be displayed for several se conds.
■ If the shift control system malfunctions
The power switch will not be able to be turned off. In this occurs, the switch
can be turned off by applying the parking brake.
If the system malfunctions, have your vehicle serviced by your Toyota dealer
immediately.
■ If the smart key system has been d eactivated in a customized setting
P. 486

1925-2. Driving procedures
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WARNING
■When starting the fuel cell system
Always start the fuel cell system while sitting in the driver’s seat. Do not
depress the accelerator pedal while starting the fuel cell syst em under any
circumstances.
Doing so may cause an accident resulting in death or serious in jury.
■ Stopping the fuel cell system in an emergency
If you want to stop the fuel cell system in an emergency while driving the
vehicle, press and hold the power switch for more than 2 second s, or press
it briefly 3 times or more in succession. ( P. 409)
However, do not touch the power switch while driving except in an emer-
gency. Turning the fuel cell system off while driving will not cause loss of
steering or braking control, however, power assist to the steer ing will be
lost. This will make it more difficult to steer smoothly, so yo u should pull over
and stop the vehicle as soon as it is safe to do so.
NOTICE
■ To prevent 12-volt b attery discharge
Do not leave the power switch in ACCESSORY or ON mode for long peri-
ods if the fuel cell system is off.
■ When starting the fuel cell system
If the fuel cell system becomes difficult to start, have your vehicle checked
by your Toyota dealer immediately.
■ Symptoms indicating a malfunction with the power switch
If the power switch seems to be operating somewhat differently than usual,
such as the switch sticking slightly, there may be a malfunctio n. Contact
your Toyota dealer immediately.

1945-2. Driving procedures
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The shift position can be changed to P through the use of the P posi-
tion switch.
Fully stop the vehicle and keep
depressing the brake pedal, and
then press the P position switch.
When the shift position is changed
to P, the switch indicator comes on.
Check that the P position indicator
is illuminated on the shift position
indicator.
■
Shifting the shift position from P to other positions
While depressing the brake pedal firmly, operate the shift leve r. I f
the shift lever is operated without depressing the brake pedal, a
buzzer will sound and the shifting operation will be disabled.
Shift position purpose
Shift positionObjective or function
PParking the vehicle/starting the fuel cell system
RReversing
NNeutral
DNormal driving
P position switch

1955-2. Driving procedures
5
Driving
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The following modes can be selected to suit driving conditions.
■Eco drive mode/Power mode
Eco drive mode
Suitable for improving the
fuel economy, because the
torque corresponding to the
accelerator pedal depres-
sion amount can be gener-
ated more smoothly than it is
in normal conditions.
is displayed on the air conditioning screen and the system
goes into ECO HEAT/COOL mode. ( P. 308)
When the “ECO MODE” switch is pressed, the “ECO MODE”
indicator will illuminate on the main display.
To cancel Eco drive mode, press the “ECO MODE” switch again.
At this time, the ECO HE AT/COOL mode is canceled.
Power mode
Use when high levels of response and feeling are desirable, such
as when driving in mountainous regions or when overtaking.
When the “POWER MODE” switch is pressed, the POWER
MODE indicator will illumi nate on the main display.
To cancel power mode, press the “POWER MODE” switch again.
■Br mode
Suitable for driving that requires
strong regenerative braking,
such as down-hill driving, etc.
To select Br mode, shift the shift
lever down. ( P. 193)
The Br mode indicator will illumi-
nate on the meter.
To return to normal driving mode, depress the accelerator pedal or
select the D position again with the shift lever.
Selecting a drive mode

1965-2. Driving procedures
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■For the shift positions
●When the power switch is off, the shift position cannot be chan ged.
● When the power switch is in ON mode (the fuel cell system is not operating),
the shift position can only be changed to N. The shift position will be
changed to N even if the shift position is shifted to D or R and held in that
position.
● When the “READY” indicator is on, the shift position can be cha nged from P
to D, N or R.
● When the “READY” indicator is flashing, the shift position cann ot be
changed from P to another position even if the shift lever is o perated.
Wait until the “READY” indicator changes from a flashing to a s olid light, and
then operate the shift lever again.
In addition, if an attempt is made to change the shift position by moving the
shift lever or by pressing the P position switch in any of the following situa-
tions, a buzzer will sound and the shifting operation will be disabled or the
shift position will automatically change to N. When this happen s, select an
appropriate shift position.
● When attempting to change the shift position from P without dep ressing the
brake pedal, the shift position change is invalidated.
● Situations where the shift position will automatically change t o N:
• When the P position switch is pressed while the vehicle is running.
*1
• When an attempt is made to select the R position by moving the shift
lever when the vehicle is moving forward.
*2
• When an attempt is made to select the D position by moving the shift
lever when the vehicle is moving in reverse.
*3
• When an attempt is made to change the shift position from R to Br mode
by moving the shift lever.
*1: Shift position may be changed to P when driving at extremely l ow speeds.
*2: Shift position may be changed to R when driving at low speeds.
*3: Shift position may be changed to D when driving at low speeds.
■ Br mode
Depending on the condition of the traction battery, Br mode may not be avail-
able.
In that case, a message is displayed on the multi-information d isplay.
■ Sounds when in Br mode
P. 88
■ Restraining sudden start (Drive-Start Control)
P. 173
■ Reverse warning buzzer
When shifting into R, a buzzer will sound to inform the driver that the shift
position is in R.

2035-3. Operating the lights and wipers
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Driving
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With the headlights on, push
the lever away from you to turn
on the high beams.
Pull the lever toward you to the
center position to turn the high
beams off.
Pull the lever toward you and
release it to flash the high
beams once.
You can flash the high beams with the headlights on or off.
■Daytime running light system
●The daytime running lights illuminate using the same lights as the parking
lights and illuminate brighter than the parking lights.
● To make your vehicle more visible to other drivers during dayti me driving,
the daytime running lights turn on automatically when all of the following
conditions are met. (The daytime running lights are not designe d for use at
night.)
• The fuel cell system is operating
• The parking brake is released
• The headlight switch is in the (Canada only), or
* position
*: When the surroundings are bright
The daytime running lights remain on after they illuminate, even if the parking
brake is set again.
● For the U.S.A.: Daytime running lights can be turned off by ope rating the
switch.
● Compared to turning on the headlights, the daytime running ligh t system
offers greater durability and consumes less electricity, so it can help improve
fuel economy.
■ Headlight control sensor
Turning on the high beam headlights
The sensor may not function properly if an
object is placed on the sensor, or anything
that blocks the sensor is affixed to the
windshield.
Doing so interferes with the sensor
detecting the level of ambient light and
may cause the automatic headlight sys-
tem to malfunction.

2045-3. Operating the lights and wipers
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Automatic light off system
●When the headlights are on: The headlights and tail lights turn off 30 sec-
onds after a door is opened and closed if the power switch is t urned to
ACCESSORY mode or turned off. (The lights turn off immediately if
on the key is pressed after all the doors are locked.)
● When only the tail lights are on: The tail lights turn off automatically if the
power switch is turned to ACCESSORY mode or turned off and the driver’s
door is opened.
To turn the lights on again, turn the power switch to ON mode, or turn the light
switch or once and then back to or .
If any of the doors or trunk lid is kept open, the lights automatically turn off
after 20 minutes.
■ Automatic headlight leveling system
The level of the headlights is automatically adjusted according to the number
of passengers and the loading condition of the vehicle to ensur e that the
headlights do not interfere with other road users.
■ Light reminder buzzer
A buzzer sounds when the power switch is turned off or turned t o ACCES-
SORY mode and the driver’s door is opened while the lights are turned on.
■ 12-volt battery-saving function
In order to prevent the 12-volt battery of the vehicle from dis charging, if the
headlights and/or tail lights are on when the power switch is t urned off the
12-volt battery saving function will operate and automatically turn off all the
lights after approximately 20 minutes. When the power switch is turned to ON
mode, the 12-volt battery-saving function will be disabled.
When any of the following are performed, the 12-volt battery-sa ving function
is canceled once and then reactivated. All the lights will turn off automatically
20 minutes after the 12-volt battery-saving function has been r eactivated:
● When the headlight switch is operated
● When a door is opened or closed
■ Customization
Settings (e.g. light sensor sensitivity) can be changed.
(Customizable features: P. 488)
NOTICE
■To prevent 12-volt b attery discharge
Do not leave the lights on longer than necessary when the fuel cell system
is off.