Content .. 17 18 19 20 ..

Toyota Mirai (2022 year). Manual in english - page 19

307

5-5. Using the driving support systems

ing

■

When operation has been
suspended

“Side mirrors are
retracted”

The outside rear
view mirrors
were folded
while assistance
was being per-
formed



Extend the

outside rear view
mirrors and then
select “Start” but-
ton to start assis-
tance again.

“Press brake
pedal firmly”

The assist can-
not be canceled
if the brake is not
firmly depressed.



Continue step-

ping on the
brake more than
the usual time.

Message

Condition/Cor-

rective Action

Message

Condition/Cor-

rective Action

“Steering wheel
was operated
manually”

Force was
applied to the
steering wheel
while assistance
was being per-
formed



Stop the vehi-

cle and select
“Start” button
while resting
your hands on
the steering
wheel without
applying any
force to start
assistance
again.

“Accelerator
pedal was
pressed”

The accelerator
pedal was
depressed while
assistance was
being performed



Release the

accelerator
pedal and then
select “Start” but-
ton to start assis-
tance again.

“Shift position
was changed
manually”

A shift position
was selected
when assistance
was being per-
formed



Select “Start”

button to start
assistance
again.

308

5-5. Using the driving support systems

■

When a parking space can-
not be registered

■

If a black screen is displayed on

the multimedia display when

the Advanced Park is operating

The multimedia system or

Advanced Park is being affected by

radio waves or may be malfunction-

ing. If a radio antenna is installed

near a camera, move it to a location

as far from the cameras as possible.

If a radio antenna is not installed

near a camera, and the screen does

not return to normal after turning the

power switch off and then starting

the fuel cell system again, have the

vehicle inspected by your Toyota

dealer.

For details on the following,
refer to “Panoramic view moni-
tor” of “Peripheral monitoring
system” in the “NAVIGATION
AND MULTIMEDIA SYSTEM
OWNER’S MANUAL”.



Displayable range of the
screens



Cameras



Differences between dis-
played images and the actual
road



Differences between dis-
played images and the actual
objects

■

Situations in which white
parking space box may not
be recognized properly

In situations such as the follow-
ing, parking space box on the
road surface may not be
detected:



When the parking space does
not use white lines (parking
space boundaries are marked
with rope, blocks, etc.)



When the parking space box
are faded or dirty, making
them unclear



When the road surface is
bright, such as concrete, and
the contrast between it and
the white parking space box is
small



When the parking space box
are any color other than yel-
low or white



When the area surrounding
the parking space is dark,
such as at night, in an under-
ground parking lot, parking
garage, etc.



When it is raining or has
rained and the road surface is
wet and reflective or there are

Message

Condition/Cor-

rective Action

“No available
parking space to
register”

was selected

at a parking
space that can-
not be detected



Operate the

Advanced Park
at a parking
space where the
road surface can
be recognized

Precautions for use

309

5-5. Using the driving support systems

ing

puddles



When the sun is shining
directly into a camera, such
as in the early morning or
evening



When the parking space is
covered with snow or de-icing
agent



When there marks from
repairs or other marks on the
road surface, or there is a traf-
fic bollard, or other object on
the road surface



When the color or brightness
of the road surface is uneven



When a camera has been
splashed by hot or cold water
and the lens has fogged up



When the appearance of the
parking space is affected by
the shadow of the vehicle or
trees



When a camera lens is dirty
or covered with water droplets

In situations such as the follow-
ing, the target parking space
may not be recognized cor-
rectly:



When there marks from
repairs or other marks on the
road surface, or there is a
parking block, traffic bollard,
or other object on the road
surface



When it is raining or has
rained and the road surface is
wet and reflective or there are

puddles



When the color or brightness
of the road surface is uneven



When the parking space is on
a slope



When the appearance of the
parking space is affected by
the shadow of a parked vehi-
cle or trees (such as shadows
from the grille, side step, etc.,
of a parked vehicle)



When the parking space box
are faded or dirty, making
them unclear



When the appearance of the
parking space is affected by
the shadow of the vehicle or
trees

■

Cameras and sensors

Cameras and sensors are used
to detect parked vehicles, mak-
ing it easier to identify parking
spaces.



Front camera

310

5-5. Using the driving support systems



Side cameras



Rear camera



Sensors



P.254

■

Camera images

As special cameras are used, the

colors in displayed images may dif-

fer from the actual color.

■

Detection range of the sensors

●

Detection range of the sensors

when using the perpendicular

parking function

Target parking space position

●

Detection range of the sensors

when using the parallel parking

and departure functions

Target parking space position

●

If a parked vehicle is behind the

target parking space and the dis-

tance between it and the vehicle

becomes far, it may no longer be

able to be detected. Depending on

shape or condition of a parked

vehicle, the detection range may

become short or the vehicle may

not be detected.

●

Objects other than parked vehi-

cles, such as columns, walls, etc.,

may not be detected. Also, if they

311

5-5. Using the driving support systems

ing

are detected, they may cause the

target parking space to be mis-

aligned.

Select

on the multimedia

display, and then select
“Advanced Park”.

■

Speed Profile

The vehicle speed for when
parking assistance is performed
can be set.

This setting cannot be changed for
when registering a parking space to
the memory function.

WARNING

■

To ensure the Advanced Park

can operate properly



P.255

In addition, please refer to the

“Panoramic view monitor” of

“Peripheral monitoring system” in

the “NAVIGATION AND MULTI-

MEDIA SYSTEM OWNER’S

MANUAL”.

■

When the sensors do not

operate properly

●

In situations such as the follow-

ing, the sensors may not oper-

ate correctly, possibly leading to

an accident. Proceed carefully.

• When a sensor is frozen.

(Thawing the area will resolve

this problem.) In especially cold

weather, if a sensor is frozen

the screen may show an abnor-

mal display, or parked vehicles

may not be detected.

• When the vehicle is tilted at a

steep angle

• When it is extremely hot or cold

• When driving on rough, sloped,

or gravel roads, or grass

• When ultrasonic waves are

being produced near the vehicle

due to vehicle horns, motorcy-

cle engines, air brakes of large

vehicles, or the sensors of

another vehicle

• When it is raining or a sensor is

splashed by water

• When the area around the vehi-

cle is dark or backlit

• When a fender pole or radio

antenna has been installed to

the vehicle

• When a sensor is extremely

close to a parked vehicle

• When there is a parked vehicle

next to the target parking space,

if the displayed target parking

space is far from the actual tar-

get parking space, a sensor

may be misaligned. Have the

vehicle inspected by your Toy-

ota dealer.

• Do not install any accessories

near the detection area of the

sensors.

●

The Advanced Park will guide

the vehicle to appropriate posi-

tions for changing the direction

of travel, however, if you feel

that the vehicle is approaching

too close to an adjacent parked

vehicle at any time, depress the

brake pedal and change the

shift position. However, if this is

performed, the number of turns

necessary may increase, and

the vehicle may be parked at an

angle.

Changing the settings

312

5-5. Using the driving support systems

■

Obstacle Detection Range

The distance from which obsta-
cles will be avoided while park-
ing assistance is being
performed can be set.

■

Preferred Parking Method

The preferred parking direction
displayed when at a parking
space which perpendicular or
parallel parking is possible can
be set.

■

Parking Path Adjustment

The course for when parking
assistance is operating can be
adjusted inward or outward.

If the tires are worn, the path of
vehicle may be offset from the cen-
ter of the parking space. In this
case, use this setting to adjust the
parking course.

■

Road Width Adjustment

The width of the area in which
the vehicle moves when using
parking assistance can be set.

■

Clear Registered Parking
Space

Parking space information regis-
tered to the memory function
can be deleted.

With the Advanced Park off,
press the camera switch.

Select

on the multimedia

display, and then select
“Advanced Park”.

If “Clear Registered Parking
Space” is selected, the park-
ing spaces registered to the
memory function can be
deleted.

313

5-5. Using the driving support systems

ing

Multi-information display

Driving mode select switch

Driving mode changes if the switch
is pressed.

Normal mode

Provides an optimal balance of fuel
economy, quietness, and dynamic
performance. Suitable for normal
driving.

Sport mode

Controls the transmission and fuel
cell system to provide quick, power-
ful acceleration. Making it suitable
for when agile driving response is
desired, such as when driving on
roads with many curves.
When the sport mode is selected,
sport mode indicator comes on.

Eco drive mode

Helps the driver accelerate in an
eco friendly manner and improve
fuel economy through moderate
throttle characteristics and by con-
trolling the operation of the air con-
ditioning system (heating/ cooling).
When the Eco drive mode is
selected, Eco drive mode indicator
comes on.

■

Operation of the air condition-

ing system in Eco drive mode

Eco drive mode controls the heat-

ing/ cooling operations and fan

speed of the air conditioning system

to enhance fuel efficiency. To

improve air conditioning perfor-

mance, perform the following opera-

tions:

●

Turn off eco air conditioning mode

(



P.326)

●

Adjust the fan speed (



P.326)

●

Turn off Eco drive mode

■

Automatic deactivation of sport

mode

If the power switch is turned off after

driving in sport mode, the drive

mode will be changed to normal

mode.

Driving mode select

switch

The driving modes can be
selected to suit driving con-
dition.

Selecting a drive mode

314

5-5. Using the driving support systems

Press the snow mode switch

When the switch is pressed, snow
mode turns on and the snow mode
indicator illuminates on the multi-
information display. When the
switch is pressed again, the snow
mode indicator turns off.



Type A



Type B

■

Snow mode automatic deactiva-

tion

Snow mode is automatically deacti-

vated if the power switch is turned

off after driving in snow mode.

Snow mode

Snow mode can be selected
to suit the conditions when
driving on slippery road sur-
faces, such as on snow.

System operation

315

5-5. Using the driving support systems

ing

■

ECB (Electronically Con-
trolled Brake System)

The electronically controlled
system generates braking force
corresponding to the brake
operation

■

ABS (Anti-lock Brake Sys-
tem)

Helps to prevent wheel lock
when the brakes are applied
suddenly, or if the brakes are
applied while driving on a slip-
pery road surface

■

Brake assist

Generates an increased level of
braking force after the brake
pedal is depressed when the
system detects a panic stop sit-
uation

■

VSC (Vehicle Stability Con-
trol)

Helps the driver to control skid-
ding when swerving suddenly or
turning on slippery road sur-
faces.

■

TRAC (Traction Control)

Helps to maintain drive power
and prevent the drive wheels
from spinning when starting the
vehicle or accelerating on slip-
pery roads

■

Active Cornering Assist
(ACA)

Helps to prevent the vehicle
from drifting to the outer side by
performing inner wheel brake
control when attempting to
accelerate while turning

■

Hill-start assist control

Helps to reduce the backward
movement of the vehicle when
starting on an uphill

■

EPS (Electric Power Steer-
ing)

Employs an electric motor to
reduce the amount of effort
needed to turn the steering
wheel.

■

VDIM (Vehicle Dynamics
Integrated Management)

Provides integrated control of
the ABS, brake assist, TRAC,
VSC, hill-start assist control and
EPS systems
Helps to maintain vehicle stabil-
ity when swerving on slippery

Driving assist systems

To keep driving safety and
performance, the following
systems operate automati-
cally in response to various
driving situations. Be
aware, however, that these
systems are supplementary
and should not be relied
upon too heavily when oper-
ating the vehicle.

Summary of the driving
assist systems

316

5-5. Using the driving support systems

road surfaces by controlling the
brakes, fuel cell system output,
steering assist.

■

The Secondary Collision
Brake

When the SRS airbag sensor
detects a collision and the sys-
tem operates, the brakes and
brake lights are automatically
controlled to reduce the vehicle
speed and help reduce the pos-
sibility of further damage due to
a secondary collision.

■

When the TRAC/VSC/ABS sys-

tems are operating

The slip indicator light will flash

while the TRAC/VSC/ABS systems

are operating.

■

Disabling the TRAC system

If the vehicle gets stuck in mud, dirt
or snow, the TRAC system may
reduce power from the fuel cell sys-
tem to the wheels. Pressing

turn the system off may make it eas-
ier for you to rock the vehicle in
order to free it.
To turn the TRAC system off, quickly
press and release

The “Traction Control Turned OFF”
will be shown on the multi-informa-
tion display.

Press

again to turn the system

back on.

“Traction Control Turned OFF”

■

Turning off both TRAC and VSC

systems

To turn the TRAC and VSC systems
off, press and hold

for more

than 3 seconds while the vehicle is
stopped.
The VSC OFF indicator light will
come on and the “Traction Control
Turned OFF” will be shown on the
multi-information display.

Press

again to turn the system

back on.

: PCS will also be disabled (only

Pre-Collision warning is avail-
able). The PCS warning light will
come on and a message will be
displayed on the multi-information
display. (



P.222, 444)

■

When the message is dis-
played on the multi-information
display showing that TRAC has
been disabled even if

has

not been pressed

TRAC is temporary deactivated. If

the information continues to show,

contact your Toyota dealer.

317

5-5. Using the driving support systems

ing

■

Operating conditions of hill-

start assist control

When the following five conditions

are met, the hill-start assist control

will operate:

●

The shift position is in a position

other than P or N (when stating off

forward/backward on an upward

incline)

●

The vehicle is stopped

●

The accelerator pedal is not

depressed

●

The parking brake is not engaged

●

Power switch is turned to ON

■

Automatic system cancelation

of hill-start assist control

The hill-start assist control will turn

off in any of the following situations:

●

Shift the shift position to P or N

●

The accelerator pedal is

depressed

●

The parking brake is engaged

●

2 seconds at maximum elapsed

after the brake pedal is released

●

Power switch is turned to OFF

■

Sounds and vibrations caused

by the ABS, brake assist, VSC,

TRAC and hill-start assist con-

trol systems

●

A sound may be heard from the

fuel cell unit compartment when

the brake pedal is depressed

repeatedly, when the fuel cell sys-

tem is started or just after the vehi-

cle begins to move. This sound

does not indicate that a malfunc-

tion has occurred in any of these

systems.

●

Any of the following conditions

may occur when the above sys-

tems are operating. None of these

indicates that a malfunction has

occurred.

• Vibrations may be felt through the

vehicle body and steering.

• A motor sound may be heard also

after the vehicle comes to a stop.

• The brake pedal may pulsate

slightly after the ABS is activated.

• The brake pedal may move down

slightly after the ABS is activated.

■

ECB operating sound

ECB operating sound may be heard

in the following cases, but it does

not indicate that a malfunction has

occurred.

●

Operating sound heard from the

fuel cell unit compartment when

the brake pedal is operated.

●

Motor sound of the brake system

heard from the front part of the

vehicle when the driver’s door is

opened.

●

Operating sound heard from the

fuel cell unit compartment when

one or two minutes passed after

the stop of the fuel cell system.

■

Active Cornering Assist opera-

tion sounds and vibrations

When the Active Cornering Assist is

operated, operation sounds and

vibrations may be generated from

the brake system, but this is not a

malfunction.

■

EPS operation sound

When the steering wheel is oper-

ated, a motor sound (whirring

sound) may be heard. This does not

indicate a malfunction.

■

Automatic reactivation of TRAC

and VSC systems

After turning the TRAC and VSC

systems off, the systems will be

automatically re-enabled in the fol-

lowing situations:

●

When the power switch is turned

off

●

If only the TRAC system is turned

off, the TRAC will turn on when

vehicle speed increases

If both the TRAC and VSC sys-

tems are turned off, automatic re-

enabling will not occur when vehi-

cle speed increases.

318

5-5. Using the driving support systems

■

Operating conditions of Active

Cornering Assist

The system operates when the fol-

lowing occurs.

●

TRAC/VSC can operate

●

The driver is attempting to accel-

erate while turning

●

The system detects that the vehi-

cle is drifting to the outer side

●

The brake pedal is released

■

Reduced effectiveness of the

EPS system

The effectiveness of the EPS sys-

tem is reduced to prevent the sys-

tem from overheating when there is

frequent steering input over an

extended period of time. The steer-

ing wheel may feel heavy as a

result. Should this occur, refrain

from excessive steering input or

stop the vehicle and turn the fuel

cell system off. The EPS system

should return to normal within 10

minutes.

■

Secondary Collision Brake

operating conditions

The system operates when the SRS

airbag sensor detects a collision

while the vehicle is in motion. How-

ever, the system does not operate in

any of the following situations.

●

When driving at a low speed

●

Components are damaged

■

Secondary Collision Brake

automatic cancelation

The system is automatically can-

celed in any of the following situa-

tions.

●

The vehicle speed has decreased

to a certain speed

●

A certain amount of time elapses

during operation

●

The accelerator pedal is

depressed a large amount

WARNING

■

The ABS does not operate

effectively when

●

The limits of tire gripping perfor-

mance have been exceeded

(such as excessively worn tires

on a snow covered road).

●

The vehicle hydroplanes while

driving at high speed on wet or

slick roads.

■

Stopping distance when the

ABS is operating may exceed

that of normal conditions

The ABS is not designed to

shorten the vehicle’s stopping dis-

tance. Always maintain a safe dis-

tance from the vehicle in front of

you, especially in the following sit-

uations:

●

When driving on dirt, gravel or

snow-covered roads

●

When driving with tire chains

●

When driving over bumps in the

road

●

When driving over roads with

potholes or uneven surfaces

■

TRAC/VSC may not operate

effectively when

Directional control and power may

not be achievable while driving on

slippery road surfaces, even if the

TRAC/VSC system is operating.

Drive the vehicle carefully in con-

ditions where stability and power

may be lost.

■

Active Cornering Assist does

not operate effectively when

●

Do not overly rely on Active

Cornering Assist. Active Corner-

ing Assist may not operate

effectively when accelerating

down slopes or driving on slip-

pery road surfaces.

319

5-5. Using the driving support systems

ing

WARNING

●

When Active Cornering Assist

frequently operates, Active Cor-

nering Assist may temporarily

stop operating to ensure proper

operation of the brakes, TRAC

and VSC.

■

Hill-start assist control does

not operate effectively when

●

Do not overly rely on hill-start

assist control. Hill-start assist

control may not operate effec-

tively on steep inclines and

roads covered with ice.

●

Unlike the parking brake, hill-

start assist control is not

intended to hold the vehicle sta-

tionary for an extended period

of time. Do not attempt to use

hill-start assist control to hold

the vehicle on an incline, as

doing so may lead to an acci-

dent.

■

When the TRAC/ABS/VSC is

activated

The slip indicator light flashes.

Always drive carefully. Reckless

driving may cause an accident.

Exercise particular care when the

indicator light flashes.

■

When the TRAC/VSC systems

are turned off

Be especially careful and drive at

a speed appropriate to the road

conditions. As these are the sys-

tems to help ensure vehicle stabil-

ity and driving force, do not turn

the TRAC/VSC systems off

unless necessary.

■

Secondary Collision Brake

Do not rely solely upon the Sec-

ondary Collision Brake. This sys-

tem is designed to help reduce

the possibility of further damage

due to a secondary collision, how-

ever, that effect changes accord-

ing to various conditions. Overly

relying on the system may result

in death or serious injury.

■

Replacing tires

Make sure that all tires are of the

specified size, brand, tread pat-

tern and total load capacity. In

addition, make sure that the tires

are inflated to the recommended

tire inflation pressure level.
The ABS, TRAC and VSC sys-

tems will not function correctly if

different tires are installed on the

vehicle.

Contact your Toyota dealer for fur-

ther information when replacing

tires or wheels.

■

Handling of tires and the sus-

pension

Using tires with any kind of prob-

lem or modifying the suspension

will affect the driving assist sys-

tems, and may cause a system to

malfunction.

320

5-6. Driving tips

5-6.Driving tips



Use washer fluid that is
appropriate to the prevailing
outside temperatures.



Have a service technician
inspect the condition of the
12-volt battery.



Have the vehicle fitted with
four snow tires or purchase a
set of tire chains for the rear
tires.

Ensure that all tires are the speci-
fied size and brand, and that chains
match the size of the tires.

Perform the following according
to the driving conditions:



Do not try to forcibly open a
window or move a wiper that

Winter driving tips

Carry out the necessary
preparations and inspec-
tions before driving the
vehicle in winter. Always
drive the vehicle in a man-
ner appropriate to the pre-
vailing weather conditions.

Preparation for winter

WARNING

■

Driving with snow tires

Observe the following precautions

to reduce the risk of accidents.

Failure to do so may result in a

loss of vehicle control and cause

death or serious injury.

●

Use tires of the specified size.

●

Maintain the recommended

level of air pressure.

●

Do not drive in excess of 75

mph (120 km/h), regardless of

the type of snow tires being

used.

●

Use snow tires on all, not just

some wheels.

■

Driving with tire chains

Observe the following precautions

to reduce the risk of accidents.

Failure to do so may result in the

vehicle being unable to be driven

safely, and may cause death or

serious injury.

●

Do not drive in excess of the

speed limit specified for the tire

chains being used, or 30 mph

(50 km/h), whichever is lower.

●

Avoid driving on bumpy road

surfaces or over potholes.

●

Avoid sudden acceleration,

abrupt steering, sudden brak-

ing and shifting operations that

cause sudden regenerative

braking.

●

Slow down sufficiently before

entering a curve to ensure that

vehicle control is maintained.

●

Do not use LTA (Lane Tracing

Assist) system.

NOTICE

■

Repairing or replacing snow

tires

Request repairs or replacement of

snow tires from Toyota dealers or

legitimate tire retailers.

This is because the removal and

attachment of snow tires affects

the operation of the tire pressure

warning valves and transmitters.

Before driving the vehicle

321

5-6. Driving tips

ing

is frozen. Pour warm water
over the frozen area to melt
the ice. Wipe away the water
immediately to prevent it from
freezing.



To ensure proper operation of
the climate control system
fan, remove any snow that
has accumulated on the air
inlet vents in front of the wind-
shield.



Check for and remove any
excess ice or snow that may
have accumulated on the
exterior lights, vehicle’s roof,
chassis, around the tires or on
the brakes.



Remove any snow or mud
from the bottom of your shoes
before getting in the vehicle.

Accelerate the vehicle slowly,
keep a safe distance between
you and the vehicle ahead, and
drive at a reduced speed suit-
able to road conditions.

Park the vehicle and shift the
shift position to P without setting
the parking brake. The parking
brake may freeze up, preventing
it from being released. If the
vehicle is parked without setting
the parking brake, make sure to
block the wheels.

Failure to do so may be danger-
ous because it may cause the
vehicle to move unexpectedly,
possibly leading to an accident.

Use the correct tire chain size
when mounting the tire chains.
Chain size is regulated for each
tire size.

Side chain (0.12 in. [3 mm] in
diameter)

Cross chain (0.16 in. [4 mm]
in diameter)

Regulations regarding the use
of tire chains vary depending on
location and type of road.
Always check local regulations
before installing chains.

■

Tire chain installation

Observe the following precautions

when installing and removing

chains:

●

Install and remove tire chains in a

safe location.

When driving the vehicle

When parking the vehicle

Selecting tire chains

Regulations on the use of
tire chains

322

5-6. Driving tips

●

Install tire chains on the rear tires.

Do not install tire chains on the

front tires.

●

Install tire chains on the rear tires

as tightly as possible. Retighten

chains after driving 1/4



1/2 mile

(0.5



1.0 km).

●

Install tire chains following the

instructions provided with the tire

chains.

To enable the windshield wipers
to be lifted when heavy snow or
icy conditions are expected,
change the rest position of the
windshield wipers from the
retracted position below the
hood to the service position
using the wiper lever. (



P.201)

NOTICE

■

Fitting tire chains

The tire pressure warning valves

and transmitters may not function

correctly when tire chains are fit-

ted.

Windshield wipers

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