ECU TOYOTA MIRAI 2017 1.G Owner's Guide

691-1. For safe use
1
For safety and security
MIRAI_OM_USA_OM62023U
After installing the child restraint system, rock it back and forth to
ensure that it is installed securely.
■Laws and regulations pertaining to anchors
The LATCH system conforms to FMVSS225 or CMVSS210.2.
Child restraint systems conforming to FMVSS213 or CMVSS213 specifica-
tions can be used.
This vehicle is designed to conform to SAE J1819.
■
Anchor brackets (for top tether strap)
Anchor brackets are provided
for each rear seat.
Use anchor brackets when fix-
ing the top tether strap.
WARNING
■ When installing a child restraint system
Observe the following precautions.
Failure to do so may result in death or serious injury.
● Shake the child restraint system left and right, and forward and backward
to ensure that it has been securely installed.
● When using the LATCH anchors, be sure that there are no foreign objects
around the anchors and that the seat belt is not caught behind the child
restraint system.
● Follow all installation instructions provided by the child restraint system
manufacturer.
Using an anchor bracket (for top tether strap)
5
Top tether strap
Anchor brackets

701-1. For safe use
MIRAI_OM_USA_OM62023U■
Fixing the top tether strap to the anchor bracket
Install the child restraint system in accordance to the operation
manual enclosed with the child restraint system.
Adjust the head restraint to
the upmost position.
If the head restraint interferes
with the child restraint system or
top tether strap installation and
the head restraint can be
removed, remove the head
restraint. (→P. 145)
Open the anchor bracket
cover, latch the hook onto the
anchor bracket and tighten
the top tether strap.
Make sure the top tether strap is
securely latched.
When installing the child
restraint system with the head
restraint being raised, be sure to
have the top tether strap pass
underneath the head restraint.
■Laws and regulations pertaining to anchors
The LATCH system conforms to FMVSS225 or CMVSS210.2.
Child restraint systems conforming to FMVSS213 or CMVSS213 specifica-
tions can be used.
This vehicle is designed to conform to SAE J1819.
1
Hook
Top tether strap
2

711-1. For safe use
1
For safety and security
MIRAI_OM_USA_OM62023U
WARNING
■When installing a child restraint system
Observe the following precautions.
Failure to do so may result in death or serious injury.
● Firmly attach the top tether strap and make sure that the belt is not twisted.
● Do not attach the top tether strap to anything other than the anchor
bracket.
● Shake the child restraint system left and right, and forward and backward
to ensure that it has been securely installed.
● Follow all installation instructions provided by the child restraint system
manufacturer.
● When installing the child restraint system with the head restraint being
raised, after the head restraint has been raised and then the anchor
bracket has been fixed, do not lower the head restraint.
NOTICE
■ Anchor brackets (for top tether strap)
When not in use, make certain to close the lid. If it remains open, the lid
may be damaged.

721-2. Theft deterrent system
MIRAI_OM_USA_OM62023U
Immobilizer system
The indicator flashes after the
power switch has been turned off
to indicate that the system is oper-
ating.
The indicator stops flashing after
the power switch has been turned
to ACCESSORY or ON mode to
indicate that the system has been
canceled.
The vehicle’s keys have built-in transponder chips that prevent
the fuel cell system from starting if a key has not been previ-
ously registered in the vehicle’s on-board computer.
Never leave the keys inside the vehicle when you leave the vehi-
cle.
This system is designed to help prevent vehicle theft but does
not guarantee absolute security against all vehicle thefts.

731-2. Theft deterrent system
1
For safety and security
MIRAI_OM_USA_OM62023U
■System maintenance
The vehicle has a maintenance-free type immobilizer system.
■ Conditions that may cause the system to malfunction
●If the grip portion of the key is in contact with a metallic object
● If the key is in close proximity to or touching a key registered to the security
system (key with a built-in transponder chip) of another vehicle
■ Certification for the immobilizer system
FCC ID: NI4TMIMB-3
This device complies with part 15 of the FCC Rules. Operation is subject to
the following two conditions: (1) This device may not cause harmful interfer-
ence, and (2) this device must accept any interference received, including
interference that may cause undesired operation.
Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
WARNING
■ Certifications for the immobilizer system
Changes or modifications not expressly approved by the party responsible
for compliance could void the user’s authority to operate the equipment.
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.

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.

1003. Instrument cluster
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*1: These lights turn on when the power switch is turned to ON mode to indi-cate that a system check is being performed. They will turn off after the fuel
cell system is on, or after a few seconds. There may be a malfunction in a
system if the lights do not come on, or turn off. Have the vehicle inspected
by your Toyota dealer.
*2: The light flashes to indicate a malfunction.
*3: This light illuminates on the multi-information display.
The indicators inform the driver of the operating state of the vehicle’s
various systems.
Indicators
Turn signal indicator
( →P. 185)Intuitive parking assist
indicator ( →P. 224)
Headlight indicator
( →P. 187)
*1, 2
Slip indicator ( →P. 233)
Headlight high beam
indicator ( →P. 188)
*1, 3
VSC OFF indicator
(→P. 234)
Automatic High Beam
indicator ( →P. 190)
*1, 3
PCS warning light
(→P. 239)
“READY” indicator
( →P. 172)
*4
BSM indicators
(→P. 246)
Radar cruise control
indicator ( →P. 203)
*4, 5BSM outside rear view
mirror indicators
(→P. 245)
Cruise control “SET”
indicator ( →P. 203) Security indicator
(
→P. 72, 74)
Cruise control indicator
( →P. 203)
Shift position indicator
(→P. 179)
LDA indicator ( →P. 216)
*6
ECO MODE indicator
(→P. 181)

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.

1204-2. Opening, closing and locking the doors
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Doors
◆Smart key system
Carry the electronic key to enable this function.Grip the driver’s door handle
to unlock the door. Grip the
front passenger’s door han-
dle to unlock all the doors.*
Make sure to touch the sensor
on the back of the handle.
The doors cannot be unlocked
for 3 seconds after the doors are
locked.
*: The door unlock settings can be changed. ( →P. 124)
Touch the lock sensor (the indentation on the surface of the door
handle) to lock the doors.
Check that the door is securely locked.
◆Wireless remote control
Locks all the doors
Check that the door is securely
locked.
Unlocks all the doors
Pressing the button unlocks the
driver’s door. Pressing the button
again within 3 seconds unlocks
the other doors.
Press and hold to open the win-
dows.
*
*: This setting must be customized at your Toyota dealer.
The vehicle can be locked and unlocked using the entry func-
tion, wireless remote c ontrol or door lock switch.
Unlocking and locking the doors from the outside

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.