2017 TOYOTA MIRAI Owners Manual

4419-2. Customization
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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 linked 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 (emergency
flashers) settings.
■ In the following situations, customize mode in which the settings can be
changed through the mu lti-information display will automatically be
turned off.
● A warning message appears after the customize mode screen is displayed.
● The vehicle begins to move while the customize mode screen is displayed.
NOTICE
■During customization
To prevent 12-volt battery discharge, ensure that the fuel cell system is
operating while customizing features.

4429-3. Items to initialize
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Items to initialize
The following items must be initialized for normal system opera-
tion after such cases as the 12-volt battery being reconnected,
or maintenance being performed on the vehicle:
ItemWhen to initializeReference
Power windowWhen functioning abnormallyP. 155
Ion filterAfter changing the ion filterP. 439

443
10For owners
MIRAI_OM_USA_OM62023UReporting safety defects
for U.S. owners........................ 444

444
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Reporting safety defects for U.S. owners
If you believe that your vehicle has a defect which could cause a
crash or could cause injury or death, you should immediately inform
the National Highway Traffic Safety Administration (NHTSA) in addi-
tion to notifying Toyota Motor Sales, U.S.A., Inc. (Toll-free: 1-800-
331-4331).
If NHTSA receives similar complain ts, it may open an investigation,
and if it finds that a safety defect exists in a group of vehicles, it may
order a recall and remedy campaign. However, NHTSA cannot
become involved in individual prob lems between you, your dealer,
or Toyota Motor Sales, U.S.A., Inc.
To contact NHTSA, you may call t he Vehicle Safety Hotline toll-free
at 1-888-327-4236 (TTY: 1-800-424-9153); go to http://
www.safercar.gov
; or write to: Administrator, NHTSA, 1200 New
Jersey Ave, S.E., Washington, DC 20590. You can also obtain other
information about motor vehicle safety from http://www.safercar.gov.

445
Index
MIRAI_OM_USA_OM62023UWhat to do if...
(Troubleshooting) .................... 446
Alphabetical index ..................... 449
For information regarding the equipment listed below, refer to
the “NAVIGATION SYSTEM OWNER’S MANUAL”.
• Navigation system
• Rear view monitor system
• Audio system

446What to do if... (Troubleshooting)
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What to do if... (Troubleshooting)
●If you lose your mechanical keys, new genuine mechanical keys can be
made by your Toyota dealer. ( →P. 117)
●If you lose your electronic keys, the risk of vehicle theft increases signifi-
cantly. Contact your Toyota dealer immediately. ( →P. 119)
●Is the key battery weak or depleted? (→P. 353)
●Is the power switch in ON mode?
When locking the doors, turn the power switch off. ( →P. 174)
●Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on
your person.
●The function may not operate properly due to the condition of the radio
wave. (→P. 134)
●Is the child-protector lock set?
The rear door cannot be opened from inside the vehicle when the lock is
set. Open the rear door from outside and then unlock the child-protector
lock. (→P. 123)
●The function to prevent the electronic key from being left inside the trunk
will operate and you can open the trunk as usual. Take the key out from the
trunk. ( →P. 128)
If you have a problem, check the following before contacting
your Toyota dealer.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
The rear door cannot be opened
The trunk lid is closed with the electronic key left inside

447What to do if... (Troubleshooting)
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●Did you press the power switch while firmly depressing the brake pedal?
(→P. 172)
●Is the shift position in P? ( →P. 180)
●Is the electronic key anywhere detectable inside the vehicle? ( →P. 132)
●Is the electronic key battery weak or depleted?
In this case, the fuel cell system can be started in a temporary way.
(→P. 399)
●Is the 12-volt battery discharged? ( →P. 401)
●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. 154)
●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 period of
time. ( →P. 174)
If you think something is wrong
The fuel cell system does not start
The windows do not open or close by operating the power
window switches
The power switch is turned off automatically

448What to do if... (Troubleshooting)
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●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? (→P. 371)
●The brake system warning light is on
Is the parking brake released? (→P. 186)
Depending on the situation, other types of warning buzzer may also sound.
( →P. 369, 376)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( →P. 74)
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. 376)
●When a warning light turns on or a warning message or indicator is dis-
played, refer to P. 369, 376.
●Stop the vehicle in a safe place and replace the flat tire with the spare
tire. ( →P. 381)
●Try the procedure for when the vehicle becomes stuck in mud, dirt, or
snow. ( →P. 412)
A warning buzzer sounds during driving
A warning buzzer sounds when 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