Toyota Mirai (2022 year). Manual in english - page 28

 

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Toyota Mirai (2022 year). Manual in english - page 28

 

 

452

8-2. Steps to take in an emergency

If “FCV System Stopped Steer-

ing Power Low” is displayed

This message is displayed if the fuel 

cell system is stopped while driving.
When steering wheel operations are 

heavier than usual, grip the steering 

wheel firmly and operate it using 

more force than usual.

If “FCV System High Temp. FCV 

Power Reduced” or “FCV 

Power Reduced Due to Exces-

sive Acceleration” is displayed

1

Lower the speed while check the 

safety, and run the vehicle like 

this for several minutes.

2

If the message goes off, the vehi-

cle can be driven as is, since it 

temporarily overheated.

This message may be displayed 

when driving under severe operat-

ing conditions. (For example, when 

driving up a long steep hill.)

If “FCV Power Significantly 

Reduced” is displayed

The output power of the fuel cell 

system is greatly restrained. If it is 

displayed frequently, contact your 

Toyota dealer.

If “Stop Vehicle in a Safe Place 

Push P Switch” is displayed

There may be a malfunction in the 

fuel cell system or the shift position 

may be shifted to N for a long time. 

Immediately stop the vehicle and 

contact your Toyota dealer.

If “Shift is in N Release Acceler-

ator Before Shifting” is dis-

played

The accelerator pedal has been 

depressed when the shift position is 

in N.
Release the accelerator pedal and 

shift the shift position to D or R.

If “Press brake when vehicle is 

stopped FCV system may over-

heat” is displayed

The message may be displayed 

when the accelerator pedal is 

depressed to hold the vehicle while 

the vehicle is stopped on an incline, 

etc. The fuel cell system may over-

heat. Release the accelerator pedal 

and depress the brake pedal.

If “Auto Power OFF to Conserve 

Battery” is displayed

Power was turned off due to the 

automatic power off function. Next 

time when starting the fuel cell sys-

tem, operate the fuel cell system for 

approximately 5 minutes to 

recharge the 12-volt battery.

If “Headlight System Malfunc-

tion Visit Your Dealer” is dis-

played

The following systems may be mal-

functioning. Have the vehicle 

inspected by your Toyota dealer 

immediately.

The LED headlight system

The automatic headlight leveling 

system (if equipped)

AHB (Automatic High Beam)

If “Radar Cruise Control 

Unavailable See Owner’s Man-

ual” is displayed

The dynamic radar cruise control 

with full-speed range system is sus-

pended temporarily or until the prob-

lem shown in the message is 

resolved. (Causes and coping meth-

ods: 

P.210)

If “Radar Cruise Control 

Unavailable” is displayed

The dynamic radar cruise control 

with full-speed range system cannot 

be used temporarily. Use the system 

when it becomes available again.

If a message that indicates the 

malfunction of front camera is 

displayed

The following systems may be sus-

pended until the problem shown in 

the message is resolved. (

P.210, 

441)

PCS (Pre-Collision system)

453

8-2. Steps to take in an emergency

8

Whe

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ouble

 a

rises

LTA (Lane Tracing Assist)

Automatic High Beam

RSA (Road Sign Assist) (if 

equipped)

Dynamic radar cruise control with 

full-speed range

If a message that indicates the 

malfunction of radar sensor is 

displayed

The following systems may be sus-

pended until the problem shown in 

the message is resolved. (

P.210, 

441)

PCS (Pre-Collision system)

LTA (Lane Tracing Assist)

Dynamic radar cruise control with 

full-speed range

If “Shift System Malfunction 

Shifting Unavailable Drive to a 

Safe Place and Stop” or “Shift 

System Malfunction Driving 

Unavailable” is displayed

There is a malfunction in the shift 

control system. Have the vehicle 

inspected by your Toyota dealer 

immediately.

If a message that indicates the 

need for the shift lever opera-

tion is displayed

To prevent the shift lever from being 

operated incorrectly or the vehicle 

from moving unexpectedly, a mes-

sage that requires shifting the shift 

position may be displayed on the 

multi-information display. In that 

case, follow the instruction of the 

message and shift the shift position.

If a message that indicates the 

need for visiting your Toyota 

dealer is displayed

The system or part shown on the 

multi-information display is malfunc-

tioning. Have the vehicle inspected 

by your Toyota dealer immediately.

If a message that indicates the 

need for referring to Owner’s 

Manual is displayed

If any of the following messages 

are shown on the multi-informa-

tion display, it may indicate a mal-

function. Have the vehicle 

inspected by your Toyota dealer 

immediately.

• “Smart Key System Malfunction 

See Owner’s Manual”

• “P Switch Malfunction Apply Park-

ing Brake Securely When Parking 

See Owner’s Manual”

• “Shift System Malfunction Apply 

Parking Brake Securely When 

Parking See Owner’s Manual”

• “Shift System Unavailable Apply 

Parking Brake Securely When 

Parking See Owner’s Manual”

• “Shift System Malfunction See 

Owner’s Manual”

• “Shift System Malfunction Stop in 

a Safe Place See Owner’s Man-

ual”

• “Battery Low Shifting Unavailable 

See Owner’s Manual”

• “FCV system malfunction”

• “Traction battery system malfunc-

tion”

• “Accelerator System Malfunction”

If any of the following messages 

are shown on the multi-informa-

tion display, it may indicate a mal-

function. Immediately stop the 

vehicle and contact your Toyota 

dealer.

• “Braking Power Low Stop in a 

Safe Place See Owner’s Manual”

• “FCV System Shutdown Due to 

Hydrogen Leakage Stop in a Safe 

Place See Owner’s Manual”

If “FCV system stopped” is shown 

on the multi-information display, 

the vehicle may have run out of 

fuel. Stop the vehicle in a safe 

place and, if the fuel level is low, 

refuel the vehicle. (

P.81)

If “Low Auxiliary Battery See 

Owner’s Manual” is shown,

• When the display goes off after 

several seconds (displays for 

454

8-2. Steps to take in an emergency

about 6 seconds): Maintain the 

fuel cell system operation for more 

than 15 minutes and charge the 

12-volt battery.

• When the display does not go off: 

Start up the fuel cell system using 

the procedures: 

P.471

If “Maintenance Required for Trac-

tion Battery Cooling Parts See 

Owner’s Manual” is shown, the fil-

ters may be clogged, the air intake 

vents may be blocked, or there 

may be a gap in the duct. There-

fore, perform the following correc-

tion procedure.

• If the air intake vents and filters of 

the traction battery are dirty, per-

form the procedure on P.420 to 

clean them.

• If the warning message is shown 

when the air intake vents and fil-

ters of the traction battery are not 

dirty, have the vehicle inspected 

by your Toyota dealer.

If “Ion Filter Maintenance 

Required Visit Your Dealer” is 

displayed

Ion filter replacement is necessary. 

Contact your Toyota dealer.

NOTICE

If “Low Auxiliary Battery See 

Owner’s Manual” is displayed 

frequently

The 12-volt battery may have 

deteriorated. As the battery may 

discharge in this state when left 

unattended, have the battery 

inspected by your Toyota dealer.

If “Maintenance Required For 

Traction Battery At Your 

Dealer” is displayed

This message indicates that the 

traction battery may require 

inspection or replacement. Have 

the vehicle inspected by your Toy-

ota dealer immediately.

Do not continue driving the vehi-

cle, as the fuel cell system may 

become not able to be started 

again.

455

8-2. Steps to take in an emergency

8

Whe

n tr

ouble

 a

rises

Stop the vehicle in a safe 
place on a hard, flat surface.

Set the parking brake.

Shift the shift position to P.

Stop the fuel cell system.

Turn on the emergency flash-
ers. (

P.432)

Check the degree of the tire 
damage.

Do not remove the nail or screw 
from the tire. Removing the 
object may widen the opening 
and make emergency repair 
with the repair kit impossible.

A flat tire that cannot be 

repaired with the emergency 

tire puncture repair kit

In the following cases, the tire can-

not be repaired with the emergency 

tire puncture repair kit. Contact your 

Toyota dealer.

When the tire is damaged due to 

driving without sufficient air pres-

sure

When there are any cracks or 

damage at any location on the 

tire, such as on the side wall, 

except the tread

When the tire is visibly separated 

from the wheel

If you have a flat tire

Your vehicle is not equipped 
with a spare tire, but instead 
is equipped with an emer-
gency tire puncture repair 
kit.

A puncture caused by a nail 
or screw passing through 
the tire tread can be 
repaired temporarily using 
the emergency tire puncture 
repair kit. (The kit contains a 
bottle of sealant. The seal-
ant can be used only once 
to temporarily repair one 
tire without removing the 
nail or screw from the tire.) 
Depending on the damage, 
this kit cannot be used to 
repair the tire. (

P.455)

After temporarily repairing 
the tire with the kit, have the 
tire repaired or replaced by 
your Toyota dealer. Repairs 
conducted using the emer-
gency tire puncture repair 
kit are only a temporary 
measure. Have the tire 
repaired and replaced as 
soon as possible.

WARNING

If you have a flat tire

Do not continue driving with a flat 

tire.

Driving even a short distance with 

a flat tire can damage the tire and 

the wheel beyond repair, which 

could result in an accident.

Before repairing the tire

456

8-2. Steps to take in an emergency

When the cut or damage to the 

tread is 0.16 in. (4 mm) long or 

more

When the wheel is damaged

When two or more tires have been 

punctured

When more than 2 sharp objects 

such as nails or screws have 

passed through the tread on a sin-

gle tire

When the sealant has expired

Emergency tire puncture repair kit

Towing eyelet

Bottle

Hose

Air release cap

Location of the emergency tire puncture repair kit and 
tools

Emergency tire puncture 
repair kit components

457

8-2. Steps to take in an emergency

8

Whe

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ouble

 a

rises

Sticker

Compressor

Power plug

Air pressure gauge

Compressor switch

Note for checking the emer-

gency tire puncture repair kit

Check the sealant expiry date occa-

sionally.

The expiry date is shown on the bot-

tle. Do not use sealant whose expiry 

date has already passed. Other-

wise, repairs conducted using the 

emergency tire puncture repair kit 

may not be performed properly.

Emergency tire puncture repair 

kit

The emergency tire puncture 

repair kit is for filling the car tire 

with air.

The sealant has a limited life 

span. The expiry date is marked 

on the bottle. The sealant should 

be replaced before the expiry 

date. Contact your Toyota dealer 

for replacement.

The sealant stored in the emer-

gency tire puncture repair kit can 

be used only once to temporarily 

repair a single tire. If the sealant 

has been used and needs to be 

replaced, purchase a new bottle at 

your Toyota dealer. The compres-

sor is reusable.

The sealant can be used when the 

outside temperature is from -22°F 

(-30°C) to 140°F (60°C).

The kit is exclusively designed for 

size and type of tires originally 

installed on your vehicle. Do not 

use it for tires that a different size 

than the original ones, or for any 

other purposes.

If the sealant gets on your clothes, 

it may stain.

If the sealant adheres to a wheel 

or the surface of the vehicle body, 

the stain may not be removable if 

it is not cleaned at once. Immedi-

ately wipe away the sealant with a 

wet cloth.

During operation of the repair kit, 

a loud operation noise is pro-

duced. This does not indicate a 

malfunction.

Do not use to check or to adjust 

the tire pressure.

WARNING

Caution while driving

Store the repair kit in the lug-

gage compartment.

Injuries may result in the event 

of an accident or sudden brak-

ing.

The repair kit is exclusively only 

for your vehicle.

Do not use repair kit on other 

vehicles, which could lead to an 

accident causing death or seri-

ous injury.

Do not use repair kit for tires 

that are different size than the 

original ones, or for any other 

purpose. If the tires have not 

been completely repaired, it 

could lead to an accident caus-

ing death or serious injury.

458

8-2. Steps to take in an emergency

1

Remove the luggage mat. 
(

P.352)

2

Remove the band.

3

Take out the emergency tire 
puncture repair kit. (

P.456)

1

Take out the repair kit from 
the plastic bag.

2

Remove the valve cap from 
the valve of the punctured 
tire.

3

Extend the hose. Remove 
the air release cap from the 
hose.

Attach the sticker enclosed with the 

bottle on the specified locations. 

(See step 

10

.)

You will use the air release cap 

again. Therefore keep it in a safe 

place.

4

Connect the hose to the 
valve.

Screw the end of the hose clock-

WARNING

Precautions for use of the 

sealant

Ingesting the sealant is hazard-

ous to your health. If you ingest 

sealant, consume as much 

water as possible, and then 

immediately consult a doctor.

If sealant gets in eyes or 

adheres to skin, immediately 

wash it off with water. If discom-

fort persists, consult a doctor.

Taking out the emer-
gency tire puncture repair 
kit

Emergency repair method

459

8-2. Steps to take in an emergency

8

Whe

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ouble

 a

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wise as far as possible.

5

Make sure that the compres-
sor switch is off.

6

Lift the rubber stopper on the 
compressor.

7

Remove the power plug from 
the compressor.

8

Connect the power plug to 
the power outlet socket. 
(

P.362)

9

Connect the bottle to the 
compressor.

As shown in the illustration, insert 

the bottle securely into the com-

pressor until the upper side of the 

mark on the bottle is aligned with 

460

8-2. Steps to take in an emergency

the upper end of the notch.

10

Attach the sticker provided 

with the tire puncture repair 
kit to a position easily seen 
from the driver’s seat.

11

Check the specified tire infla-

tion pressure.

Tire inflation pressure is specified 

on the label on the driver’s side pil-

lar as shown. (

P.487)

12

Start the fuel cell system. 

(

P.172)

13

To inject the sealant and 

inflate the tire, turn the com-
pressor switch on.

14

Inflate the tire until the speci-

fied air pressure is reached.

The sealant will be injected 
and the pressure will spike to 
between 44 psi (300 kPa, 3.0 
kgf/cm

2

 or bar) and 58 psi 

(400 kPa, 4.0 kgf/cm

2

 or bar), 

then gradually decrease.

461

8-2. Steps to take in an emergency

8

Whe

n tr

ouble

 a

rises

The air pressure gauge will 
display the actual tire inflation 
pressure about 1 to 5 min-
utes after the switch is turned 
on.

Turn the compressor switch 
off and then check the tire 
inflation pressure. Being care-
ful not to over inflate, check 
and repeat the inflation proce-
dure until the specified tire 
inflation pressure is reached.

The tire can be inflated for 
about 5 to 20 minutes 
(depending on the outside 
temperature). If the tire infla-
tion pressure is still lower than 
the specified point after infla-
tion for 25 minutes, the tire is 
too damaged to be repaired. 
Turn the compressor switch 
off and contact your Toyota 
dealer.

If the tire inflation pressure 
exceeds the specified air 
pressure, let out some air to 
adjust the tire inflation pres-
sure. (

P.462, 487)

15

With the compressor switch 

off, disconnect the hose from 
the valve on the tire and then 
pull out the power plug from 
the power outlet socket.

Some sealant may leak when the 

hose is removed.

16

Install the valve cap onto the 

valve of the emergency 
repaired tire.

17

Attach the air release cap to 

the end of the hose.

If the air release cap is not 

attached, the sealant may leak and 

the vehicle may get dirty.

18

Temporarily store the bottle 

in the luggage compartment 
while it is connected to the 
compressor.

19

To spread the liquid sealant 

evenly within the tire, imme-
diately drive safely for about 
3 miles (5 km) below 50 mph 
(80 km/h).

20

After driving, stop your vehi-

cle in a safe place on a hard, 
flat surface and reconnect 
the repair kit.

Remove the air release cap from 

the hose before reconnecting the 

462

8-2. Steps to take in an emergency

hose.

21

Turn the compressor switch 

on and wait for several sec-
onds, then turn it off. Check 
the tire inflation pressure.

If the tire inflation pressure is 
under 19 psi (130 kPa, 1.3 
kgf/cm

2

 or bar): The puncture 

cannot be repaired. Contact 
your Toyota dealer.

If the tire inflation pressure is 
19 psi (130 kPa, 1.3 kgf/cm

2

 

or bar) or higher, but less 
than the specified air pres-
sure: Proceed to step 

22

.

If the tire inflation pressure is 
the specified air pressure 
(

P.487): Proceed to step 

23

.

22

Turn the compressor switch 

on to inflate the tire until the 

specified air pressure is 
reached. Drive for about 3 
miles (5 km) and then per-
form step 

20

.

23

Attach the air release cap to 

the end of the hose.

If the air release cap is not 

attached, the sealant may leak and 

the vehicle may get dirty.

24

Store the bottle in the lug-

gage compartment while it is 
connected to the compres-
sor.

25

Taking precautions to avoid 

sudden braking, sudden 
acceleration and sharp turns, 
drive carefully at under 50 
mph (80 km/h) to the nearest 
Toyota dealer that is less 
than 62 miles (100 km) away 
for tire repair or replacement.

When having the tire repaired or 

replaced, make sure to tell the Toy-

ota dealer that the sealant is 

injected.

If the tire is inflated to more 

than the specified air pressure

1

Disconnect the hose from the 

valve.

2

Install the air release cap to the 

end of the hose and push the 

protrusion on the air release cap 

463

8-2. Steps to take in an emergency

8

Whe

n tr

ouble

 a

rises

into the tire valve to let some air 

out.

3

Disconnect the hose from the 

valve, remove the air release cap 

from the hose and then recon-

nect the hose.

4

Turn the compressor switch on 

and wait for several seconds, 

and then turn it off. Check that 

the air pressure indicator shows 

the specified air pressure. 

(

P.487)

If the air pressure is under the des-

ignated pressure, turn the compres-

sor switch on again and repeat the 

inflation procedure until the speci-

fied air pressure is reached.

The valve of a tire that has been 

repaired

After a tire is repaired with the emer-

gency tire puncture repair kit, the 

valve should be replaced.

After a tire is repaired with the 

emergency tire puncture repair 

kit

The tire pressure warning valve 

and transmitter should be 

replaced.

Even if the tire inflation pressure is 

at the recommended level, the tire 

pressure warning light may come 

on/flash.

Note for checking the emer-

gency tire puncture repair kit

Check the sealant expiry date occa-

sionally.
The expiry date is shown on the bot-

tle. Do not use sealant whose expiry 

date has already passed. Other-

wise, repairs conducted using the 

emergency tire puncture repair kit 

may not be performed properly.

Emergency tire puncture repair 

kit

The emergency tire puncture 

repair kit is for filling the car tire 

with air.

The sealant has a limited life 

span. The expiry date is marked 

on the bottle. The sealant should 

be replaced before the expiry 

date. Contact your Toyota dealer 

for replacement.

The sealant stored in the emer-

gency tire puncture repair kit can 

be used only once to temporarily 

repair a single tire. If the sealant in 

the bottle and other parts of the kit 

have been used and need to be 

replaced, contact your Toyota 

dealer.

The compressor can be used 

repeatedly.

The sealant can be used when the 

outside temperature is from -40°F 

(-40°C) to 140°F (60°C).

The kit is exclusively designed for 

size and type of tires originally 

installed on your vehicle. Do not 

use it for tires that a different size 

than the original ones, or for any 

other purposes.

If the sealant gets on your clothes, 

it may stain.

If the sealant adheres to a wheel 

or the surface of the vehicle body, 

the stain may not be removable if 

it is not cleaned at once. Immedi-

ately wipe away the sealant with a 

wet cloth.

During operation of the repair kit, 

a loud operation noise is pro-

duced. This does not indicate a 

malfunction.

Do not use to check or to adjust 

the tire pressure.

464

8-2. Steps to take in an emergency

WARNING

Do not drive the vehicle with 

a flat tire

Do not continue driving with a flat 

tire.
Driving even a short distance with 

a flat tire can damage the tire and 

the wheel beyond repair.
Driving with a flat tire may cause a 

circumferential groove on the side 

wall. In such a case, the tire may 

explode when using a repair kit.

When fixing the flat tire

Stop your vehicle in a safe and 

flat area.

Do not touch the wheels or the 

area around the brakes immedi-

ately after the vehicle has been 

driven.

After the vehicle has been 

driven, the wheels and the area 

around the brakes may be 

extremely hot. Touching these 

areas with hands, feet or other 

body parts may result in burns.

Connect the valve and hose 

securely with the tire installed 

on the vehicle. If the hose is not 

properly connected to the valve, 

air leakage may occur as seal-

ant may be sprayed out.

If the hose comes off the valve 

while inflating the tire, there is a 

risk that the hose will move 

abruptly due to air pressure.

After inflation of the tire has 

completed, the sealant may 

splatter when the hose is dis-

connected or some air is let out 

of the tire.

Follow the operation procedure 

to repair the tire. If the proce-

dures not followed, the sealant 

may spray out.

Keep back from the tire while it 

is being repaired, as there is a 

chance of it bursting while the 

repair operation is being per-

formed. If you notice any cracks 

or deformation of the tire, turn 

off the compressor switch and 

stop the repair operation imme-

diately.

The repair kit may overheat if 

operated for a long period of 

time. Do not operate the repair 

kit continuously for more than 

40 minutes.

Parts of the repair kit become 

hot during operation. Be careful 

handling the repair kit during 

and after operation. Do not 

touch the metal part connecting 

the bottle and the compressor. It 

will be extremely hot.

Do not attach the vehicle speed 

warning sticker to an area other 

than the one indicated. If the 

sticker is attached to an area 

where an SRS airbag is located, 

such as the pad of the steering 

wheel, it may prevent the SRS 

airbag from operating properly.

Driving to spread the liquid 

sealant evenly

Observe the following precautions 

to reduce the risk of accidents.
Failing to do so may result in a 

loss of vehicle control and cause 

death or serious injury.

Drive the vehicle carefully at a 

low speed. Be especially careful 

when turning and cornering.

If the vehicle does not drive 

straight or you feel a pull 

through the steering wheel, stop 

the vehicle and check the fol-

lowing.

• Tire condition. The tire may 

have separated from the wheel.

465

8-2. Steps to take in an emergency

8

Whe

n tr

ouble

 a

rises

WARNING

• Tire inflation pressure. If the tire 

inflation pressure is 19 psi (130 
kPa, 1.3 kgf/cm

2

 or bar) or less, 

the tire may be severely dam-

aged.

NOTICE

When performing an emer-

gency repair

A tire should only be repaired 

with the emergency tire punc-

ture repair kit if the damage is 

caused by a sharp object such 

as nail or screw passing through 

the tire tread.

Do not remove the sharp object 

from the tire. Removing the 

object may widen the opening 

and disenable emergency repair 

with the repair kit.

The repair kit is not waterproof. 

Make sure that the repair kit is 

not exposed to water, such as 

when it is being used in the rain.

Do not put the repair kit directly 

onto dusty ground such as sand 

at the side of the road. If the 

repair kit vacuums up dust etc., 

a malfunction may occur.

Precautions for the emer-

gency tire puncture repair kit

The repair kit power source 

should be 12 V DC suitable for 

vehicle use. Do not connect the 

repair kit to any other source.

If fuel splatters on the repair kit, 

the repair kit may deteriorate. 

Take care not to allow fuel to 

contact it.

Place the repair kit in a storage 

to prevent it from being exposed 

to dirt or water.

Store the repair kit in the lug-

gage compartment out of reach 

of children.

Do not disassemble or modify 

the repair kit. Do not subject 

parts such as the air pressure 

indicator to impacts. This may 

cause a malfunction.

To avoid damage to the tire 

pressure warning valves and 

transmitters

When a tire is repaired with liquid 

sealants, the tire pressure warn-

ing valve and transmitter may not 

operate properly. If a liquid seal-

ant is used, contact your Toyota 

dealer or other qualified service 

shop as soon as possible. After 

use of liquid sealant, make sure to 

replace the tire pressure warning 

valve and transmitter when repair-

ing or replacing the tire. (

P.406)

466

8-2. Steps to take in an emergency

One of the following may be the 
cause of the problem:

The electronic key may not be 
functioning properly. 
(

P.468)

There may not be sufficient 
fuel in the vehicle’s tank.
Refuel the vehicle.

The fuel door may be open. 
(

P.205)

There may be a malfunction 
in the immobilizer system. 
(

P.69)

There may be a malfunction 
in the shift control system.

*

 

(

P.175, 453)

There may be a malfunction 
in the steering lock system.

The fuel cell system may be 
malfunctioning due to an elec-
trical problem such as elec-

tronic key battery depletion or 
a blown fuse. However, 
depending on the type of mal-
function, an interim measure 
is available to start the fuel 
cell system. (

P.467)

There is a possibility that the 
temperature of the traction 
battery is extremely low 
(approximately below -22˚F [-
30˚C]). (

P.83, 172)

It is possible the fuel cell sys-
tem is frozen. (

P.172)

*

: It may not be possible to shift the 

shift position from P.

One of the following may be the 
cause of the problem:

The 12-volt battery may be 
discharged. (

P.471)

The 12-volt battery terminal 
connections may be loose or 
corroded. (

P.400)

One of the following may be the 
cause of the problem:

One or both of the 12-volt bat-
tery terminals may be discon-

If the fuel cell system 

will not start

Reasons for the fuel cell 
system not starting vary 
depending on the situation. 
Check the following and 
perform the appropriate 
procedure:

The fuel cell system will 
not start even though the 
correct starting procedure 
is being followed. 
(

P.172)

The interior lights and 
headlights are dim, or the 
horn does not sound or 
sounds at a low volume.

The interior lights and 
headlights do not turn on, 
or the horn does not 
sound.

467

8-2. Steps to take in an emergency

8

Whe

n tr

ouble

 a

rises

nected. (

P.400)

The 12-volt battery may be 
discharged. (

P.471)

Contact your Toyota dealer if the 
problem cannot be repaired, or if 
repair procedures are unknown.

When the fuel cell system does 
not start, the following steps can 
be used as an interim measure 
to start the fuel cell system if the 
power switch is functioning nor-
mally.
Do not use this starting proce-
dure except in cases of emer-
gency.

1

Pull the parking brake switch 
to check that the parking 
brake is set. (

P.183)

Parking brake indicator will come 

on.

2

Turn the power switch to 
ACC.

3

Press and hold the power 
switch for about 15 seconds 
while depressing the brake 
pedal firmly.

Even if the fuel cell system can 
be started using the above 
steps, the system may be mal-
functioning. Have the vehicle 
inspected by your Toyota dealer.

Starting the fuel cell sys-
tem in an emergency

If you lose your keys

New genuine mechanical 
keys can be made by your 
Toyota dealer using another 
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.

NOTICE

When an electronic key is lost

If the electronic key remains lost, 

the risk of vehicle theft increases 

significantly. Visit your Toyota 

dealer immediately with all 

remaining electronic keys that 

were provided with your vehicle.

 

 

 

 

 

 

 

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