Page 2 of 464

TABLE OF CONTENTS2
MIRAI_OM_USA_OM62023UFor your information....................... 6
Reading this manual .................... 12
How to search .............................. 13
Pictorial index .............................. 14
1-1. For safe use
Before driving ...................... 26
For safety drive ................... 28
Seat belts ............................ 30
SRS airbags ........................ 36
Front passenger occupant classification system ......... 49
Safety information for children ........................ 55
Child restraint systems ........ 56
1-2. Theft deterrent system Immobilizer system ............. 72
Alarm ................................... 74
Theft prevention labels ........ 76
2. Fuel cell vehicle Fuel cell vehicle characteristics ................... 78
Fuel cell vehicle precautions ....................... 82
Advice for driving fuel cell vehicles ............................. 94 3. Instrument cluster
Warning lights and indicators ........................... 98
Gauges and meters ........... 102
Multi-information display .... 107
4-1. Key information Keys................................... 116
4-2. Opening, closing and locking the doors
Doors ................................. 120
Trunk ................................. 126
Smart key system .............. 131
4-3. Adjusting the seats Front seats......................... 138
Driving position memory .... 140
Head restraints .................. 145
4-4. Adjusting the steering wheel and mirrors
Steering wheel ................... 147
Inside rear view mirror ....... 149
Outside rear view mirrors ............................. 151
4-5. Opening and closing the windows
Power windows.................. 154
1For safety and security
2Fuel cell system
3Instrument cluster
4Operation of each
component
Page 25 of 464
25
For safety and security1
MIRAI_OM_USA_OM62023U1-1. For safe use
Before driving ...................... 26
For safety drive ................... 28
Seat belts ............................ 30
SRS airbags ........................ 36
Front passenger occupant classification system ......... 49
Safety information for children ............................. 55
Child restraint systems........ 56
1-2. Theft deterrent system Immobilizer system ............. 72
Alarm................................... 74
Theft prevention labels........ 76
Page 74 of 464
741-2. Theft deterrent system
MIRAI_OM_USA_OM62023U
Alarm
The alarm uses light and sound to give an alert when an intrusion is
detected.
The alarm is triggered in the following situations when the alarm is
set:
●A locked door or trunk is unlocked or opened in any way other than
using the entry function, wireless remote control or mechanical key.
(The doors will lock again automatically.)
● The hood is opened.
Close the doors, trunk and hood,
and lock all the doors. The system
will be set automatically after 30
seconds.
The indicator changes from being
on to flashing when the system is
set.
Do one of the following to deactivate or stop the alarm:
● Unlock the doors or open the trunk.
● Turn the power switch to ACCESSORY or ON mode, or start the
fuel cell system. (The alarm will be deactivated or stopped after a
few seconds.)
The alarm
Setting the alarm system
Deactivating or stopping the alarm
Page 75 of 464

751-2. Theft deterrent system
1
For safety and security
MIRAI_OM_USA_OM62023U
■System maintenance
The vehicle has a maintenance-free type alarm system.
■ Items to check before locking the vehicle
To prevent unexpected triggering of the alarm and vehicle theft, make sure of
the following:
●Nobody is in the vehicle.
● The windows are closed before the alarm is set.
● No valuables or other personal items are left in the vehicle.
■ Triggering of the alarm
The alarm may be triggered in the following situations:
(Stopping the alarm deactivates the alarm system.)
■ Alarm-operated door lock
The door automatically locks when the following occurs:
●When a person remaining in the vehicle unlocks the door and the alarm is
activated.
● While the alarm is activated, a person remaining in the vehicle unlocks the
door.
●
A person inside the vehicle opens a
door, the trunk or hood, or unlocks the
vehicle using an inside lock button.
● The 12-volt battery is recharged or
replaced when the vehicle is locked.
(→P. 403)
NOTICE
■ To ensure the system operates correctly
Do not modify or remove the system. If modified or removed, the proper
operation of the system cannot be guaranteed.
Page 116 of 464
1164-1. Key information
MIRAI_OM_USA_OM62023U
Keys
The following keys are provided with the vehicle.Electronic keys
• Operating the smart key system(→P. 131)
• Operating the wireless remote control function ( →P. 116)
Mechanical keys
Key number plate
Locks all the doors ( →P. 120)
Unlocks all the doors ( →P. 120)
Pressing the button unlocks the
driver’s door. Pressing the button
again within 5 seconds unlocks the
other doors.
Opens the windows ( →P. 120)*
Opens the trunk ( →P. 126)
Sounds the alarm ( →P. 117)
*: This setting must be customized at your Toyota dealer.
The keys
Wireless remote control
Page 117 of 464

1174-1. Key information
4
Operation of each component
MIRAI_OM_USA_OM62023U
To take out the mechanical key,
push the release button and take
the key out.
The mechanical key can only be
inserted in one direction, as the
key only has grooves on one side.
If the key cannot be inserted in a
lock cylinder, turn it over and re-
attempt to insert it.
After using the mechanical key, store it in the electronic key. Carry the
mechanical key together with the electronic key. If the electronic key bat-
tery is depleted or the entry function does not operate properly, you will
need the mechanical key. (→P. 398)
■Panic mode
■ When required to leave the vehicle’s key with a parking attendant
Set the luggage security system ( →P. 127) on and lock the glove box ( →P. 273)
as circumstances demand.
Remove the mechanical key for your own use and provide the attendant with
the electronic key only.
■ If you lose your mechanical keys
New genuine mechanical keys can be made by your Toyota dealer using the
other mechanical key and the key number stamped on your key number
plate. Keep the plate in a safe place such as your wallet, not in the vehicle.
■ When riding in an aircraft
When bringing an electronic key onto an aircraft, make sure you do not press
any button on the electronic key while inside the aircraft cabin. If you are car-
rying an electronic key in your bag, etc., ensure that the buttons are not likely
to be pressed accidentally. Pressing a button may cause the electronic key to
emit radio waves that could interfere with the operation of the aircraft.
Using the mechanical key
When is pressed for longer than
about 1 second, an alarm will sound inter-
mittently and the vehicle lights will flash to
deter any person from trying to break into
or damage your vehicle.
To stop the alarm, press any button on the
electronic key.
Page 118 of 464

1184-1. Key information
MIRAI_OM_USA_OM62023U■
Electronic key battery depletion
●The standard battery life is 1 to 2 years.
● If the battery becomes low, an alarm will sound in the cabin when the fuel
cell system stops. ( →P. 376)
● As the electronic key always receives radio waves, the battery will become
depleted even if the electronic key is not used. The following symptoms indi-
cate that the electronic key battery may be depleted. Replace the battery
when necessary. ( →P. 353)
• The smart key system or the wireless remote control does not operate.
• The detection area becomes smaller.
• The LED indicator on the key surface does not turn on.
● To avoid serious deterioration, do not leave the electronic key within 3 ft. (1
m) of the following electrical appl iances that produce a magnetic field:
•TVs
• Personal computers
• Cellular phones, cordless phones and battery chargers
• Recharging cellular phones or cordless phones
• Table lamps
• Induction cookers
■ Replacing the battery
→P. 353
■ Confirmation of the registered key number
The number of keys already registered to the vehicle can be confirmed. Ask
your Toyota dealer for details.
■ If a wrong key is used
The key cylinder rotates freely to isolate inside mechanism.
Page 121 of 464

1214-2. Opening, closing and locking the doors
4
Operation of each component
MIRAI_OM_USA_OM62023U
■Operation signals
Doors:
A buzzer sounds and the emergency flashers flash to indicate that the doors
have been locked/unlocked. (Locked: Once; Unlocked: Twice)
Windows:
A buzzer sounds to indicate that the windows are opening.
■ Security feature
If a door is not opened within approximately 60 seconds after the vehicle is
unlocked, the security feature automatically locks the vehicle again.
■ When the door cannot be locked by th e lock sensor on the surface of the
door handle
■ Door lock buzzer
If an attempt to lock the doors is made when a door is not fully closed, a
buzzer sounds continuously for 5 seconds. Fully close the door to stop the
buzzer, and lock the doors once more.
■ Setting the alarm
Locking the doors will set the alarm system. ( →P. 74)
■ If the smart key system or the wireless remote control does not operate
properly
Use the mechanical key to lock and unlock the doors. ( →P. 398)
Replace the key battery with a new one if it is depleted. ( →P. 353)
When the door cannot be locked even if
the lock sensor on the surface of the door
handle is touched by a finger, touch the
lock sensor with the palm.
When gloves are being worn, remove the
gloves.