2020 TOYOTA MIRAI fuel

4789-1. Specifications
MIRAI_OM_USA_OM62073U
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation pres-
sure
Tire pressure when the vehicle has been
parked for three hours or more, or has not
been driven more than 1 mile or 1.5 km under
that condition
Maximum inflation
pressureThe maximum cold inflated pressure to which
a tire may be inflated, shown on the sidewall
of the tire
Recommended infla-
tion pressureCold tire inflation pressure recommended by a
manufacturer
Accessory weight
The combined weight (in excess of those stan-
dard items which may be replaced) of trans-
mission, power steering, power brakes, power
windows, power seats, radio and heater, to the
extent that these items are available as fac-
tory-installed equipment (whether installed or
not)
Curb weight
The weight of a motor vehicle with standard
equipment, including the maximum capacity of
fuel, oil and coolant, and if so equipped, air
conditioning and additional weight optional
engine
Maximum loaded vehi-
cle weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant
weight150 lb. (68 kg) times the number of occupants
specified in the second column of Table 1
*
that follows
Occupant distributionDistribution of occupants in a vehicle as speci-
fied in the third column of Table 1
* below

4909-2. Customization
MIRAI_OM_USA_OM62073U■
Multi-information display (
P. 111)
*1: The default setting varies according to country.
*2: If equipped
*3: When the meter control switches ( P. 118) of the is pressed, a return
to screen display message is displayed on the multi-information display.
FunctionDefault
settingCustomized setting
Units*1miles
(MPGe)km
(kg/100km)—O——
LanguageEnglishFrench—O——
Time for exchanging the ion
filter—Initialize—O——
Interruption
display
Navigation
system route
guidance
OnOff—O——
Instrument
panel
brightness
adjustment
OnOff—O——
Return to initial settings—Ye s—O——
Main display split screen*2SimpleSplit—O——
Monthly history of fuel
economy history—Clear—O——
Daily history of ECO log—Clear—O——
Monthly history of ECO log—Clear—O——
Calendar date—Set—O——
Erase screen—Erase*3—O——

4939-2. Customization
MIRAI_OM_USA_OM62073U
9
Vehicle specifications
■Vehicle customization
●When the speed linked door locking function and shift position linked door
locking function are both on, the door lock operates as follows .
• When shifting the shift position to any position other than P, all the doors
will be locked.
• If the vehicle is started with all the doors locked, the speed linked door locking function would not operate.
• If the vehicle is started with any door unlocked, the speed li nked door
locking function will operate.
● When the smart key system is off, smart door unlocking cannot be custom-
ized.
● When the doors remain closed after unlocking the doors and the automatic
door lock function is activated, the signals will be generated in accordance
with the operation signal (buzzer) and the operation signal (em ergency
flashers) settings.
■ In the following situations, customize mode in which the settin gs can be
changed through the multi-information display will automaticall y be
turned off.
● A warning message appears after the customize mode screen is di splayed.
● The vehicle begins to move while the customize mode screen is d isplayed.
NOTICE
■During customization
To prevent 12-volt battery discharge, ensure that the fuel cell system is
operating while customizing features.

511What to do if... (Troubleshooting)
MIRAI_OM_USA_OM62073U
●Did you press the power switch while firmly depressing the brake pedal?
( P. 186)
●Is the shift position in P? ( P. 194)
●Is the electronic key anywhere detectable inside the vehicle? ( P. 144)
●Is the electronic key battery weak or depleted?
In this case, the fuel cell system can be started in a temporary way.
( P. 450)
●Is the 12-volt battery discharged? ( P. 452)
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat cannot be oper-
ated if the window lock switch is pressed. ( P. 167)
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or ON mode (the fuel cell system is not operating) for a p eriod of
time. ( P. 188)
If you think something is wrong
The fuel cell syst em does not start
The windows do not open or close by operating the power
window switches
The power switch is turned off automatically

512What to do if... (Troubleshooting)
MIRAI_OM_USA_OM62073U
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? (P. 421)
●The brake system warning light is on
Is the parking brake released? ( P. 200)
Depending on the situation, other types of warning buzzer may also sound.
( P. 418, 426)
●Did anyone inside the vehicle open a door during setting the al arm?
The sensor detects it and the alarm sounds. ( P. 81)
To stop the alarm, turn the power switch to ON mode or start the fuel cell sys-
tem.

●Is the electronic key left inside the vehicle?
Check the message on the multi-information display. ( P. 426)
●When a warning light turns on or a warning message or indicator is dis-
played, refer to P. 418, 426.
●Stop the vehicle in a safe place and replace the flat tire with the spare
tire. ( P. 432)
●Try the procedure for when the vehicle becomes stuck in mud, di rt, or
snow. ( P. 463)
A warning buzzer sounds during driving
A warning buzzer sounds w hen leaving the vehicle
An alarm is activated and the horn sounds
A warning light turns on or a warning message or indicator
is displayed
When a problem has occurred If you have a flat tire
The vehicle becomes stuck

515Alphabetical index
MIRAI_OM_USA_OM62073U
Child-protectors....................... 135
Cleaning ........................... 352, 356Aluminum wheels.................. 353
Exterior ................................. 352
Interior................................... 356
Seat belts .............................. 357
Clock ......................................... 328
Coat hooks ............................... 329
Condenser ................................ 371
Console box ............................. 321
Coolant Capacity ................................ 469
Checking ............................... 370
Preparing and checking Warning light ...................... 418
Cooling system ........................ 370 Fuel cell system
overheating......................... 457
Cruise control Dynamic radar cruise
control................................. 253
Cup holders.............................. 322
Curtain shield airbags ............... 37
Customizable features ............ 484 Daytime running light
system.................................... 203
Defogger Outside rear view mirrors ..... 309
Rear window ......................... 309
Windshield ............................ 309
Dimensions .............................. 466
Dinghy towing.......................... 185
Display Drive information .................. 118
Dynamic radar cruise control ................................ 253
Energy monitor ..................... 118
LDA (Lane Departure Alert with steering control) .......... 238
Multi-information display ....... 117
Parking Support Brake function
(for static objects) .............. 279
Warning message ................ 426
Do-it-yourself maintenance .... 364
Door courtesy lights Location ................................ 317
Wattage ................................ 471
Door lock Doors .................................... 132
Key ....................................... 449
Smart key system ................. 132
Wireless remote control ........ 132D
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.

516Alphabetical index
MIRAI_OM_USA_OM62073U
DoorsAutomatic door locking
and unlocking systems ....... 135
Door glasses ......................... 167
Door lock............................... 134
Door windows ....................... 167
Open door warning buzzer ... 136
Open door warning light........ 420
Outside rear view mirrors...... 164
Rear door child-protector ...... 135
Drive information ..................... 118
Driver’s seat belt reminder
light......................................... 421
Driver’s seat position
memory .................................. 153
Driving Break-in tips .......................... 174
Correct driving posture ........... 28
Driving advice ....................... 102
Fuel cell vehicle driving tips .. 102
Procedures ........................... 172
Winter drive tips .................... 301
Driving position memory ........ 153
Memory recall function.......... 155
Dynamic radar cruise control .................................... 253 ECB (Electronically Controlled
Brake System) ...................... 295
Eco drive mode........................ 195
EDR (Event data recorder).......... 9
Electric motor (traction motor) Location ............................ 86, 91
Specification ......................... 468
Electric Power Steering
(EPS) ...................................... 296 Function ................................ 296
Warning light......................... 419
Electronic key Battery-saving function ......... 145
If the electronic key does not operate properly ................. 449
Replacing the battery............ 400
Electronically Controlled
Brake System (ECB) ............. 295
Emergency flashers ................ 408E

517Alphabetical index
MIRAI_OM_USA_OM62073U
Emergency, in case ofIf a warning buzzer sounds ... 418
If a warning light turns on...... 418
If a warning message is displayed ............................ 426
If the 12-volt battery is discharged .......................... 452
If the electronic key does not
operate properly ................. 449
If the fuel cell system will not start .................................... 447
If the vehicle is trapped in rising water ......................... 410
If you have a flat tire ............. 432
If you lose your keys ..... 129, 131
If you think something is wrong.................................. 417
If your vehicle becomes stuck ................................... 463
If your vehicle has to be
stopped in an emergency ... 409
If your vehicle needs to be towed .................................. 411
If your vehicle overheats ....... 457
Emergency shut off system...... 92
Emergency tire puncture repair kit ................................. 432
Energy monitor ........................ 118
Enhanced VSC ......................... 295
EPS (Electric Power Steering)...... 296 Function ................................ 296
Warning light ......................... 419
Event data recorder (EDR) .......... 9 Flat tire ..................................... 432
Floor mats .................................. 26
Fluid
Brake .................................... 470
Transmission ........................ 470
Washer ................................. 373
Front interior lights ................. 318 Wattage ................................ 471
Front passenger occupant classification system .............. 49
Front seats ............................... 151
Adjustment............................ 151
Cleaning ............................... 356
Correct driving posture ........... 28
Driving position memory ....... 153
Head restraints ..................... 158
Power easy access system .. 153
Seat heaters ......................... 316
Seat position memory ........... 153
Front side marker lights ......... 201
Light switch ........................... 201
Replacing light bulbs ............ 405
Front turn signal lights ........... 199
Replacing light bulbs ............ 405
Turn signal lever ................... 199
Fuel Capacity................................ 468
Fuel gauge............................ 111
Hydrogen station information ......................... 528
Refueling .............................. 213
Type.............................. 213, 468
Warning light......................... 420F