2020 TOYOTA MIRAI fuel

3336-4. Other interior features
6
Interior features
MIRAI_OM_USA_OM62073U
NOTICE
■To prevent damage to the USB charging ports
● Do not insert foreign objects into the ports.
● Do not spill water or other liquids into the ports.
● When the USB charging ports are not in use, close the lids. If a foreign
object or liquid enters a port may cause a short circuit.
● Do not apply excessive force to or impact the USB charging port s.
● Do not disassemble or modify the USB charging ports.
■ To prevent damage to external devices
● Do not leave external devices in the vehicle. The temperature i nside the
vehicle may become high, resulting in damage to an external dev ice.
● Do not push down on or apply unnecessary force to an external device or
the cable of an external device while it is connected.
■ To prevent 12-volt b attery discharge
Do not use the USB charging ports for a long period of time wit h the fuel cell
system stopped.

3356-4. Other interior features
6
Interior features
MIRAI_OM_USA_OM62073U■
Using the wireless charger
Open the console box. (
P. 3 2 1 ) .
Press the power supply switch
of the wireless charger.
Switches on and off with each
press of the power supply switch.
When turned on, the operation
indicator light (green) comes on.
Even with the fuel cell system off,
the on/off state of the power supply
switch is memorized.
Place the charging side of the
portable device down.
When charging, the operation indi-
cator light (orange) comes on.
If charging is not occurring, try
placing the portable device as
close to the center of the charging
area as possible.
When charging is complete, the
operation indicator light (green)
comes on.
● Recharging function
• When charging is complete and after a fixed time in the charge suspension state, c harging restarts.
• When the portable device is moved, charging is stopped for a moment and then it restarts.
1
2
3

3426-4. Other interior features
MIRAI_OM_USA_OM62073U
NOTICE
■Conditions in which the function may not operate correctly
In the following conditions, it may not operate correctly
● The portable device is fully charged
● There is foreign matter between the charge area and portable de vice
● The temperature of the portable device gets higher from charging
● The charging surface of the portable device is facing up
● The placement of the portable device is out of alignment with t he charge
area
● Near a TV tower, electric power plant, gas station, radio stati on, large dis-
play, airport or other facility that generates strong radio wav es or electrical
noise
● When the electronic key is in contact with, or is covered by th e following
metallic objects
• Cards to which aluminum foil is attached
• Cigarette boxes that have aluminum foil inside
• Metallic wallets or bags
• Coins
• Hand warmers made of metal
• Media such as CDs and DVDs
● When other wireless keys (that emit radio waves) are being used nearby
In addition, excluding the above-mentioned, when the charger do es not per-
form normally or the operation display lamp is flashing continu ously, it is
considered that the wireless charger is malfunctioning. Contact your Toyota
dealer.
■ To prevent failure or damage to data
● Do not bring magnetic cards, such as credit cards, or magnetic recording
media, etc., close to the charger while charging, otherwise, da ta may dis-
appear under the influence of magnetism. Also, do not bring pre cision
instruments such as wrist watches, etc., close to the charger, as such
objects may break.
● Do not leave portable devices in the cabin. The temperature ins ide the
cabin may become high, when under the sun, and cause damage to the
device.
■ To prevent 12-volt b attery discharge
When the fuel cell system is stopped, do not use the wireless c harger for a
long time.

3557-1. Maintenance and care
MIRAI_OM_USA_OM62073U
7
Maintenance and care
NOTICE
■Cleaning the exterior lights
● Wash carefully. Do not use organic substances or scrub with a h ard brush.
This may damage the surfaces of the lights.
● Do not apply wax to the surfaces of the lights.
Wax may cause damage to the lenses.
■ When washing the car
Do not remove the vehicle receptacle cap and directly pour wate r over the
vehicle receptacle. If water enters the vehicle receptacle, dam age may
occur.
■ When using an automatic car wash
Set the wiper switch to the off position. ( P. 210)
If the wiper switch is in “AUTO” the wipers may operate and the wiper
blades may be damaged.
■ When using a high pressure car wash
● When washing the vehicle, do not let water of the high pressure washer hit
directly or the vicinity of the camera. Due to the shock from t he high pres-
sure water, it is possible the device may not operate as normal .
● Do not bring the nozzle tip close to boots (rubber or resin man ufactured
cover), connectors or the following parts. The parts may be dam aged if
they come into contact with high-pressure water.
• Fuel cell stack
• Traction related parts
• Steering parts
• Suspension parts
• Brake parts
● Keep the cleaning nozzle at least 11.9 in. (30 cm) away from th e vehicle
body. Otherwise resin section, such as moldings and bumpers, ma y be
deformed and damaged. Also, do not continuously hold the nozzle in the
same place.
● Do not spray the lower part of the windshield continuously. If water enters
the air conditioning system intake located near the lower part of the wind-
shield, the air conditioning system may not operate correctly.
■ When raising the windshield wiper arms
Make sure to hold the hook parts of the
wiper arms to raise them.
Do not hold only the wiper blades when
raising them, or it may cause deformation
of the wiper blades.
Hook parts

3697-3. Do-it-yourself maintenance
MIRAI_OM_USA_OM62073U
7
Maintenance and care
Motor compartment
Washer fluid tank (P. 373)
Brake fluid reservoir ( P. 372)
Inverter coolant reservoir ( P. 370)
Fuse box ( P. 402)
Fuel cell stack coolant radiator
( P. 371) Inverter coolant radiator
( P. 371)
Condenser ( P. 371)
Electric cooling fans
Fuel cell stack coolant reser-
voir ( P. 370)
Fuel cell stack coolant sub
radiator ( P. 371)

3707-3. Do-it-yourself maintenance
MIRAI_OM_USA_OM62073U
The coolant level is satisfactory if it is between the “FULL” a nd “LOW”
lines on the reservoir when the fuel cell system is cold.
“FULL” line
“LOW” line
If the level is on or below the
“LOW” line, contact your Toyota
dealer.
The coolant level is satisfact ory if it is between the “FULL” a nd “LOW”
lines on the reservoir when the fuel cell system is cold.
Inverter coolan t reservoir cap
“FULL” line
“LOW” line
If the level is on or below the
“LOW” line, add coolant up to the
“FULL” line.
■ Inverter coolant selection
Only use “Toyota Super Long Life Coolant” or a similar high quality ethylene
glycol based non-silicate, non-amine, non-nitrite, and non-bora te coolant with
long-life hybrid organic acid technology.
For the U.S.A.: “Toyota Super Long Life Coolant” is a mixture o f 50% coolant and
50% deionized water. (Minimum temperature: -31
F [-35C])
For Canada: “Toyota Super Long Life Coolant” is a mixture of 55 % coolant and
45% deionized water. (Minimum temperature: -44
F [-42C])
For more details about inverter coolant, contact your Toyota dealer.
Fuel cell stack coolant
NOTICE
■ Fuel cell stack coolant
An exclusive coolant for the fuel cell system is filled in the fuel cell stack
coolant reservoir. Do not use any substitute. It may damage you r vehicle.
Inverter coolant

3717-3. Do-it-yourself maintenance
MIRAI_OM_USA_OM62073U
7
Maintenance and care
■If the inverter coolant level drops within a short time of repl enishing
Visually check the radiators, hoses, inverter coolant reservoir cap, drain cock
and water pump.
If you cannot find a leak, have your Toyota dealer test the cap and check for
leaks in the cooling system.
Check the radiator and condenser and clear away any foreign objects.
If either of the above parts is extremely dirty or you are not sure of
their condition, have your vehic le inspected by your Toyota dea ler.
WARNING
■When the fuel cell system is hot
Do not remove the coolant reservoir caps.
The cooling system may be under pressure and may spray hot coolant if the
cap is removed, causing serious injuries, such as burns.
NOTICE
■When adding coolant
Coolant is neither plain water nor straight antifreeze. The cor rect mixture of
water and antifreeze must be used to provide proper lubrication , corrosion
protection and cooling. Be sure to read the antifreeze or coolant label.
■ If you spill coolant
Be sure to wash it off with water to prevent it from damaging p arts or paint.
Radiator and condenser
WARNING
■When the fuel cell system is hot
Do not touch the radiator or condenser as they may be hot and c ause seri-
ous injuries, such as burns.

3737-3. Do-it-yourself maintenance
MIRAI_OM_USA_OM62073U
7
Maintenance and care
If none of the washer do not work
or the warning message appears
on the multi-information display,
the washer tank may be empty.
Add washer fluid. (P. 426)
Washer fluid
WARNING
■When adding washer fluid
Do not add washer fluid when the fuel cell system is hot or ope rating, as
washer fluid contains alcohol and may catch fire if spilled on the fuel cell
system, etc.
NOTICE
■ Do not use any fluid ot her than washer fluid
Do not use soapy water or antifreeze instead of washer fluid.
Doing so may cause streaking on the vehicle’s painted surfaces, as well as
damaging the pump leading to problems of the washer fluid not s praying.
■ Diluting washer fluid
Dilute washer fluid with water as necessary.
Refer to the freezing temperatures listed on the label of the washer fluid bot-
tle.