Page 318 of 528
3186-2. Using the interior lights
MIRAI_OM_USA_OM62073U■
Front
When the switch is pressed
to the fully pushed in posi-
tion, the lights become linked
to the doors
The light will turn on and off due
to the opening and closing of a
door.
When the button is pressed,
the light will turn on
When the switch is pressed again, the light will turn off.
■
Rear
Turns the light on
Links to the doors
When the front interior lights is
linked to the doors, the lights will
turn on and off due to the open-
ing and closing of the rear door.
Turns the lights on/off
Push the switch, and when it is in
the pushed position, the light
comes on.
Interior lights
Personal lights
Page 319 of 528
3196-2. Using the interior lights
6
Interior features
MIRAI_OM_USA_OM62073U
■Illuminated entry system
The lights automatically turn on/off according to power switch mode, the pres-
ence of the electronic key, whether the doors are locked/unlocked, and
whether the doors are opened/closed.
■ To prevent 12-volt battery discharge
If the following lights remain on when the power switch is turned off, the lights
will go off automatically after 20 minutes:
●Front interior lights
● Rear interior lights
● Personal lights
● Door courtesy lights
● Vanity lights
● Trunk light
■ Customization
Setting (e.g. the time elapsed before lights turn off) can be c hanged.
(Customizable features: P. 489)
NOTICE
■To prevent 12-volt b attery discharge
Do not leave the lights on longer than necessary when the fuel cell system
is off.
Page 336 of 528

3366-4. Other interior features
MIRAI_OM_USA_OM62073U■
Lighting conditions of ope
ration indicator light
*: Depending on the portable device, there are cases where the op eration
indicator light will continue being lit up orange even after the charging is
complete.
● When the operation indi cator light flashes
When an error occurs, the operat ion indicator light flashes an
orange color. Handle the error based on the following table.
Operation indicator lightConditions
Turning offWhen the Wireless charger power supply is off
Green (comes on)On Standby (charging possible state)
When charging is complete*
Orange (comes on)
When placing the portable device on the
charging area (detecting the portable device)
Charging
Operation indicator
lightSuspected causesHandling method
Flashing repeatedly
once every second
(Orange)Vehicle to charger com-
munication failure.Contact your Toyota
dealer.
Repeatedly flashes
3 times continuously
(Orange)
A foreign substance is
between the portable
device and charge area.
Remove the foreign
substance from
between portable
device and the charge
area.
The portable device is
out of sync due to the
device being shifted from
its position.Place the portable
device near the center
of the charge area.
Repeatedly flashes
4 times continuously
(Orange)Temperature rising
within the wireless char-
ger.Stop charging at once
and start charging
again after for a while.
Page 355 of 528

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
Page 362 of 528

3627-2. Maintenance
MIRAI_OM_USA_OM62073U
Vehicle interior
ItemsCheck points
Accelerator pedal
• The accelerator pedal shouldmove smoothly (without uneven
pedal effort or catching).
Transmission “Park” mechanism
• When parked on a slope and the
shift position is in P, is the vehicle
securely stopped?
Brake pedal
• Does the brake pedal movesmoothly?
• Does the brake pedal have appro-
priate clearance from the floor? (P. 470)
• Does the brake pedal have the
correct amount of free play? (P. 470)
Brakes
• The vehicle should not pull to one
side when the brakes are applied.
• The brakes should work effec-
tively.
• The brake pedal should not feel spongy.
• The brake pedal should not get too close to the floor when the
brakes are applied.
Head restraints• Do the head restraints move
smoothly and lock securely?
Indicators/buzzers• Do the indicators and buzzersfunction properly?
Lights • Do all the lights come on?
Parking brake
• Does the parking brake pedal move smoothly?
• When parked on a slope and the parking brake is on, is the vehicle
securely stopped?
Page 404 of 528
4047-3. Do-it-yourself maintenance
MIRAI_OM_USA_OM62073U
■After a fuse is replaced
●If the lights do not turn on even after the fuse has been repla ced, a bulb may
need replacement. ( P. 405)
● If the replaced fuse blows again, have the vehicle inspected by your Toyota
dealer.
■ If there is an overload in a circuit
The fuses are designed to blow, protecting the wiring harness f rom damage.
WARNING
■To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failure to do so may cause damage to the vehicle, and possibly a fire or
injury.
● Never use a fuse of a higher amperage rating than that indicate d, or use
any other object in place of a fuse.
● Always use a genuine Toyota fuse or equivalent.
Never replace a fuse with a wire, even as a temporary fix.
● Do not modify the fuses or fuse boxes.
NOTICE
■Before replacing fuses
Have the cause of electrical overload determined and repaired b y your
Toyota dealer as soon as possible.
Page 405 of 528

4057-3. Do-it-yourself maintenance
MIRAI_OM_USA_OM62073U
7
Maintenance and care
Light bulbs
■LED light bulbs
The following lights consist of a number of LEDs. If any of the LEDs burn out,
take your vehicle to your Toyota dealer to have the light repla ced.
● Headlight low beams
● Headlight high beams
● Parking lights and daytime running lights
● Front side marker lights
● Front turn signal lights
● Side turn signal lights
● Tail lights
● Stop lights
● Rear side marker lights
● Rear turn signal lights
● High mounted stop lights
● License plate lights
● Back-up lights
■ Condensation build-up on the inside of the lens
Temporary condensation build-up on the inside of the headlight lens does not
indicate a malfunction.
Contact your Toyota dealer for more information in the followin g situations:
● Large drops of water have built up on the inside of the lens.
● Water has built up inside the headlight.
If any lights burn out, have it replaced by your Toyota dealer:
WARNING
■Handling lights
Do not touch the lights while they are on or immediately after they have
been turned off. Doing so may result in burns.
Page 408 of 528
4088-1. Essential information
MIRAI_OM_USA_OM62073U
Emergency flashers
Press the switch.
All the turn signal lights will flash.
To turn them off, press the switch
once again.
■Emergency flashers
If the emergency flashers are used for a long time while the fu el cell system is
not operating (while the “READY” indicator is not illuminated), the 12-volt bat-
tery may discharge.
The emergency flashers are used to warn other drivers when the
vehicle has to be stopped in the road due to a breakdown, etc.