2017 TOYOTA MIRAI lights

3167-2. Maintenance
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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. 420)
• Does the brake pedal have the
correct amount of free play? (→P. 420)
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?

3577-3. Do-it-yourself maintenance
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Maintenance and care
■After a fuse is replaced
●If the lights do not turn on even after the fuse has been replaced, a bulb may
need replacement. ( →P. 358)
● 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 from 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 indicated, 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 by your
Toyota dealer as soon as possible.

3587-3. Do-it-yourself maintenance
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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 replaced.
●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 following 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 re placed 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.

3608-1. Essential information
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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 fuel 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 th e road due to a breakdown, etc.

3698-2. Steps to take in an emergency
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When trouble arises
If a warning light turns on or a warning
buzzer sounds
Calmly perform the following actions if any of the warning lights
comes on or flashes. If a light comes on or flashes, but then
goes off, this does not necessarily indicate a malfunction in the
system. However, if this continues to occur, have the vehicle
inspected by your Toyota dealer.
Warning light and warning buzzer list
Warning lightWarning light/Details/Actions
Hydrogen leak warning light (warning buzzer) When a hydrogen gas leak is detected, a buzzer sounds,
a light comes on, and a warning message is displayed on
the multi-information display.
→ P. 8 5
Brake system warning light (warning buzzer)*1
Indicates that:
• The brake fluid level is low; or
• The brake system is malfunctioning
→ Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer. Continuing to drive the vehi-
cle may be dangerous.
Charging system warning light
Indicates a malfunction in the vehicle’s charging system
→ Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer.
High coolant temperature warning light
Indicates that the coolant temperature is abnormal
→P. 406
→ Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer.
Brake system warning light
Indicates a malfunction in:
• The regenerative braking system; or
• The electronically controlled brake system
→ Have the vehicle inspected by your Toyota dealer
immediately.

3748-2. Steps to take in an emergency
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Warning buzzer
In some cases, the buzzer may not be heard due to being in a noisy location
or audio sound.
WARNING
■If both the ABS and the brake system warning lights remain on
Stop your vehicle in a safe place immediately and contact your Toyota
dealer. The vehicle will become extremely unstable during braking, and the
ABS system may fail, which could cause an accident resulting in death or
serious injury.
■ When the electric power steering system warning light comes on
When the light comes on yellow, the assist to the power steering is
restricted. When the light comes on red, the assist to the power steering is
lost and handling operations of the steering wheel become extremely
heavy. When steering wheel operations are heavier than usual, grip the
steering wheel firmly and operate it using more force than usual.
■
If the tire pressure warning light comes on
Handling method ( →P. 373)
Be sure to observe the following precautions. Failure to do so could
cause a loss of vehicle control and result in death or serious injury.
●Stop your vehicle in a safe place as soon as possible. Adjust the tire
inflation pressure immediately.
●If the tire pressure warning light co mes on even after tire inflation pres-
sure adjustment, it is probable that you have a flat tire. Check the tires.
If a tire is flat, repair the flat tire by using emergency tire puncture
repair kit.
●Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate,
you could lose control of the steering wheel or the brakes.
■If a blowout or sudden air leakage should occur
The tire pressure warning system may not activate immediately.

3768-2. Steps to take in an emergency
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If a warning message is displayed
Multi-information display
Master warning light
The master warning light also
comes on or flashes in order to
indicate that a message is cur-
rently being displayed on the multi-
information display.
If any of the warning messages are shown again after the following
actions have been performed, contact your Toyota dealer.
The warning lights and warning buzzers operate as follows depending
on the content of the message. If a message indicates the need for
inspection by a dealer, have the vehicle inspected by your Toyota
dealer immediately.
The multi-information display shows warnings of system mal-
functions, incorrectly performe d operations, and messages that
indicate a need for maintenance. When a message is shown,
perform the correction procedur e appropriate to the message.
Messages and warnings
System
warning light
Warning buzzer*Warning
Comes on ⎯
Sounds Indicates an important situation,
such as when a system related to
driving is malfunctioning or that
danger may result if the correction
procedure is not performed
⎯
Comes
on or
flashes
Sounds
Indicates an important situation,
such as when the systems shown
on the multi-information display
may be malfunctioning
Flashes⎯Sounds
Indicates a situation, such as
when damage to the vehicle or
danger may result

3778-2. Steps to take in an emergency
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When trouble arises
*: A buzzer sounds the first time a message is shown on the multi-informa-tion display.
■ System warning lights
The master warning light does not come on or flash in the following cases.
Instead, a separate system warning light will come on along with a message
shown on the multi-information display.
●Malfunction of the ABS
The ABS warning light comes on. ( →P. 370)
● Malfunction of the charging system
The charging system warning light comes on. ( →P. 369)
■ If “High FC Temperature Re duced Power” is displayed
Lower the speed while check the safety, and run the vehicle like this for
several minutes.
If the message goes off, the vehicle can be driven as is, since it temporarily
overheated.
This message may be displayed when driving under severe operating con-
ditions.
(For example, when driving up a long steep hill.)
■ If “Maintenance Required for Hybr id Battery Cooling Parts at Your
Dealer” is displayed
The filter may be clogged, or the air intake vent or duct may be blocked. Have
the vehicle inspected by your Toyota dealer.
■ If “Shift to P Before Exiting Vehicle” is displayed
Message is displayed when the driver’s door is opened without turning the
power switch to off with the shift position in any position other than P.
Shift the shift position to P.
■ If “Shift is in N Release Accelerat or Before Shifting” is displayed
Message is displayed when the accelerator pedal has been depressed and
the shift position is in N. Release the accelerator pedal and shift the shift posi-
tion to D or R.
Comes on⎯Does not sound
Indicates a condition, such as mal-
function of electrical components,
their condition, or indicates the
need for maintenance
Flashes⎯Does not sound
Indicates a situation, such as
when an operation has been per-
formed incorrectly, or indicates
how to perform an operation cor-
rectly
System
warning
light
Warning buzzer*Warning
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