Lexus UX 300e (2022 year). Manual in english — page 17

288

5-4. Using the driving support systems

with vehicle speed. When the vehicle is
stopped by system control, the vehicle
stops at a certain vehicle-to-vehicle
distance depending on the situation.

After the vehicle ahead of you starts
off, press the “+RES” switch.
Your vehicle will also resume follow-
up cruising if the accelerator pedal is
depressed after the vehicle ahead of
you starts off.

1

Pressing the cancel switch cancels
the speed control.

The speed control is also canceled when
the brake pedal is depressed.
(When the vehicle has been stopped by
system control, depressing the brake pedal
does not cancel the setting.)

2

Pressing the “+RES” switch
resumes the cruise control and
returns vehicle speed to the set
speed.

When your vehicle is too close to a
vehicle ahead, and sufficient automatic
deceleration via the cruise control is
not possible, the display will flash and
the buzzer will sound to alert the
driver. An example of this would be if
another driver cuts in front of you while
you are following a vehicle. Depress
the brake pedal to ensure an appropri-
ate vehicle-to-vehicle distance.

Distance options

Vehicle-to-vehicle

distance

Long

Approximately 50

m (160 ft.)

Medium

Approximately 40

m (130 ft.)

Short

Approximately 30

m (100 ft.)

Resuming follow-up cruising
when the vehicle has been
stopped by system control (vehi-
cle-to-vehicle distance control
mode)

Canceling and resuming the
speed control

Approach warning (vehicle-to-
vehicle distance control mode)

289

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5-4. Using the driving support systems

Dr

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Q

Warnings may not occur when

In the following instances, warnings
may not occur even when the vehicle-
to-vehicle distance is small.



When the speed of the preceding
vehicle matches or exceeds your
vehicle speed



When the preceding vehicle is trav-
eling at an extremely slow speed



Immediately after the cruise control
speed was set



When depressing the accelerator
pedal

When constant speed control mode is
selected, your vehicle will maintain a
set speed without controlling the vehi-
cle-to-vehicle distance. Select this
mode only when vehicle-to-vehicle
distance control mode does not func-
tion correctly due to a dirty radar, etc.

1

With the cruise control off, press
and hold the cruise control main
switch for 1.5 seconds or more.

Immediately after the switch is pressed, the

dynamic radar cruise control indicator will

come on. Afterwards, it switches to the

cruise control indicator.
Switching to constant speed control mode

is only possible when operating the switch

with the cruise control off.

2

Accelerate or decelerate, with
accelerator pedal operation, to the
desired vehicle speed (at or above
approximately 30 km/h [20 mph])
and press the “-SET” switch to set
the speed.

Cruise control “SET” indicator will come

on.
The vehicle speed at the moment the

switch is released becomes the set speed.
Adjusting the speed setting:



P.286

Canceling and resuming the speed setting:



P.288

When this function is enabled and the
system is operating in vehicle-to-vehi-

Selecting constant speed con-
trol mode

Dynamic Radar Cruise Control
with Road Sign Assist

290

5-4. Using the driving support systems

cle distance control mode (



P.285),

when a speed limit sign is detected, the
recognized speed limit will be dis-
played with an up/down arrow. The set
speed can be increased/reduced to
the recognized speed limit by pressing
and holding the “+RES”/“-SET” switch.



When the current set speed is lower
than the recognized speed limit

Press and hold the “+RES” switch.



When the current set speed is
higher than the recognized speed
limit

Press and hold the “-SET” switch.

Dynamic Radar Cruise Control with
Road Sign Assist can be enabled/dis-

abled in

on the multi-information

display. (



P.164)

When the Dynamic Radar Cruise
Control with Road Sign Assist is oper-
ating, while driving down a hill, the
vehicle speed may exceed the set
speed.
In this case, the displayed set vehicle
speed will be highlighted and a buzzer
will sound to alert the driver.

Q

Dynamic radar cruise control with full-

speed range can be set when

O

The shift position is in D.

O

The desired set speed can be set when

the vehicle speed is approximately 30

km/h (20 mph) or more. (However,

when the vehicle speed is set while driv-

ing at below approximately 30 km/h [20

mph], the set speed will be set to approxi-

mately 30 km/h [20 mph].)

Q

Accelerating after setting the vehicle

speed

The vehicle can accelerate by operating the

accelerator pedal. After accelerating, the

set speed resumes. However, during vehi-

cle-to-vehicle distance control mode, the

vehicle speed may decrease below the set

speed in order to maintain the distance to

the preceding vehicle.

Q

When the vehicle stops while follow-up

cruising

O

Pressing the “+RES” switch while the

vehicle ahead stops will resume follow-

up cruising if the vehicle ahead starts off

within approximately 3 seconds after the

switch is pressed.

O

If the vehicle ahead starts off within 3 sec-

onds after your vehicle stops, follow-up

cruising will be resumed.

Q

Automatic cancelation of vehicle-to-

vehicle distance control mode

Vehicle-to-vehicle distance control mode is

automatically canceled in the following situ-

Enabling/Disabling the Dynamic
Radar Cruise Control with Road
Sign Assist

291

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5-4. Using the driving support systems

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ations.

O

VSC is activated.

O

TRC is activated for a period of time.

O

When the VSC or TRC system is turned

off.

O

The sensor cannot detect correctly

because it is covered in some way.

O

When the brake control or output

restriction control of a driving support

system operates.

(For example: Pre-Collision System, Drive-

Start Control)

O

The parking brake is operated.

O

The vehicle is stopped by system control

on a steep incline.

O

The following are detected when the

vehicle has been stopped by system con-

trol:

• The driver is not wearing a seat belt.

• The driver’s door is opened.

• The vehicle has been stopped for about 3

minutes

If vehicle-to-vehicle distance control mode
is automatically canceled for any reasons
other than the above, there may be a mal-
function in the system. Contact any autho-
rized Lexus retailer or Lexus authorized
repairer, or any reliable repairer.

Q

Automatic cancelation of constant

speed control mode

Constant speed control mode is automati-

cally canceled in the following situations:

O

Actual vehicle speed is more than

approximately 16 km/h (10 mph) below

the set vehicle speed.

O

Actual vehicle speed falls below approxi-

mately 30 km/h (20 mph).

O

VSC is activated.

O

TRC is activated for a period of time.

O

When the VSC or TRC system is turned

off.

O

When the brake control or output

restriction control of a driving support

system operates.

(For example: Pre-Collision System, Drive-

Start Control)

O

The parking brake is operated.

If constant speed control mode is automati-
cally canceled for any reasons other than
the above, there may be a malfunction in
the system. Contact any authorized Lexus
retailer or Lexus authorized repairer, or any
reliable repairer.

Q

The Dynamic Radar Cruise Control

with Road Sign Assist may not operate

properly when

As the Dynamic Radar Cruise Control with

Road Sign Assist may not operate properly

in conditions in which RSA may not operate

or detect correctly (



P.281), when using

this function, make sure to check the speed

limit sign displayed.
In the following situations, the set speed

may not be changed to the recognized

speed limit by pressing and holding the

“+RES”/“-SET” switch.

O

If speed limit information is not available

O

When the recognized speed limit is the

same as the set speed

O

When the recognized speed limit is out-

side of the speed range that the dynamic

radar cruise control system can operate

Q

Brake operation

A brake operation sound may be heard and

the brake pedal response may change, but

these are not malfunctions.

Q

Warning messages and buzzers for

dynamic radar cruise control with full-

speed range

Warning messages and buzzers are used to

indicate a system malfunction or to inform

the driver of the need for caution while driv-

ing. If a warning message is shown on the

multi-information display, read the message

and follow the instructions. (



P.260, 440)

Q

When the sensor may not be correctly

detecting the vehicle ahead

In the case of the following and depending

on the conditions, operate the brake pedal

292

5-4. Using the driving support systems

when deceleration of the system is insuffi-

cient or operate the accelerator pedal

when acceleration is required.
As the sensor may not be able to correctly

detect these types of vehicles, the approach

warning (



P.288) may not be activated.

O

Vehicles that cut in suddenly

O

Vehicles traveling at low speeds

O

Vehicles that are not moving in the same

lane

O

Vehicles with small rear ends (trailers

with no load on board, etc.)

O

Motorcycles traveling in the same lane

O

When water or snow thrown up by the

surrounding vehicles hinders the detect-

ing of the sensor

O

When your vehicle is pointing upwards

(caused by a heavy load in the luggage

compartment, etc.)

O

Preceding vehicle has an extremely high

ground clearance

Q

Conditions under which the vehicle-to-

vehicle distance control mode may not

function correctly

In the case of the following conditions,

operate the brake pedal (or accelerator

pedal, depending on the situation) as nec-

essary.
As the sensor may not be able to correctly

detect vehicles ahead, the system may not

operate properly.

O

When the road curves or when the lanes

are narrow

O

When steering wheel operation or your

position in the lane is unstable

O

When the vehicle ahead of you deceler-

ates suddenly

O

When driving on a road surrounded by a

structure, such as in a tunnel or on a

bridge

O

While the vehicle speed is decreasing to

the set speed after the vehicle acceler-

ates by depressing the accelerator pedal

293

5

5-4. Using the driving support systems

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*

: If equipped

Multi-information display

The Blind Spot Monitor can be turned
on/off.

Outside rear view mirror indicators

When a vehicle is detected in a blind spot
of the outside rear view mirrors or
approaching rapidly from behind into a
blind spot, the outside rear view mirror
indicator on the detected side will illumi-
nate. If the turn signal lever is operated
toward the detected side, the outside rear
view mirror indicator flashes.

BSM indicator

Illuminates when the Blind Spot Monitor is
enabled

Q

Outside rear view mirror indicator visi-

bility

In strong sunlight, the outside rear view mir-

ror indicator may be difficult to see.

Q

When “Blind Spot Monitor Unavailable”

is shown on the multi-information dis-

play

Ice, snow, mud, etc., may be attached to the

rear bumper around the sensors. (



P.301)

The system should return to normal opera-

tion after removing the ice, snow, mud, etc.

from the rear bumper. Additionally, the sen-

sors may not operate normally when driving

in extremely hot or cold environments.

Q

Customization

Some functions can be customized.

(



P.484)

BSM (Blind Spot Monitor)

*

The Blind Spot Monitor is a system
that uses rear side radar sensors
installed on the inner side of the
rear bumper on the left and right
side to assist the driver in confirm-
ing safety when changing lanes.

WARNING

Q

Cautions regarding the use of the

system

The driver is solely responsible for safe

driving. Always drive safely, taking care

to observe your surroundings.
The Blind Spot Monitor is a supplemen-

tary function which alerts the driver that a

vehicle is in a blind spot of the outside

rear view mirrors or is approaching rap-

idly from behind into a blind spot. Do not

overly rely on the Blind Spot Monitor. As

the function cannot judge if it is safe to

change lanes, over reliance could lead to

an accident resulting in death or serious

injury.
As the system may not function correctly

under certain conditions, the driver’s

own visual confirmation of safety is nec-

essary.

System components

A

B

C

301

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5-4. Using the driving support systems

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WARNING

Q

To ensure the system can operate

properly

Blind Spot Monitor sensors are installed

behind the left and right sides of the rear

bumper respectively. Observe the fol-

lowing to ensure the Blind Spot Monitor

can operate correctly.

O

Keep the sensors and the surrounding

areas on the rear bumper clean at all

times.

If a sensor or its surrounding area on the
rear bumper is dirty or covered with
snow, the Blind Spot Monitor may not
operate and a warning message
(



P.293) will be displayed. In this situa-

tion, clear off the dirt or snow and drive
the vehicle with the operation conditions
of the BSM function (



P.303) satisfied

for approximately 10 minutes. If the
warning message does not disappear,
have the vehicle inspected by any autho-
rized Lexus retailer or Lexus authorized
repairer, or any reliable repairer.

302

5-4. Using the driving support systems

Use the meter control switches to turn
on/off the function. (



P.164)

1

Press

or

to select

.

2

Press

or

to select

and

then press “OK”.

Q

Vehicles that can be detected by the Blind Spot Monitor

The Blind Spot Monitor uses rear side radar sensors to detect the following vehi-
cles traveling in adjacent lanes and advises the driver of the presence of such vehi-
cles via the indicators on the outside rear view mirrors.

WARNING

O

Do not attach stickers to the sensor or

surrounding area on the rear bumper.

O

Do not subject a sensor or its sur-

rounding area on the rear bumper to a

strong impact.

If a sensor is moved even slightly off posi-
tion, the system may malfunction and
vehicles may not be detected correctly.
In the following situations, have your
vehicle inspected by any authorized
Lexus retailer or Lexus authorized
repairer, or any reliable repairer.
• A sensor or its surrounding area is

subject to a strong impact.

• If the surrounding area of a sensor is

scratched or dented, or part of them

has become disconnected.

O

Do not disassemble the sensor.

O

Do not modify the sensor or surround-

ing area on the rear bumper.

O

Do not paint the rear bumper any

color other than an official Lexus color.

Turning the Blind Spot Monitor
on/off

Blind Spot Monitor operation

303

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5-4. Using the driving support systems

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Vehicles that are traveling in areas that are not visible using the outside rear
view mirrors (the blind spots)

Vehicles that are approaching rapidly from behind in areas that are not visible
using the outside rear view mirrors (the blind spots)

Q

The Blind Spot Monitor detection areas

The areas that vehicles can be detected in are outlined below.

The range of each detection area is:

Approximately 0.5 m (1.6 ft.) to 3.5 m (11.5 ft.) from either side of the vehicle

*1

Approximately 1 m (3.3 ft.) forward of the rear bumper

Approximately 3 m (9.8 ft.) from the rear bumper

Approximately 3 m (9.8 ft.) to 60 m (197 ft.) from the rear bumper

*2

*1

: The area between the side of the vehicle and 0.5 m (1.6 ft.) from the side of the vehicle

cannot be detected.

*2

: The greater the difference in speed between your vehicle and the detected vehicle is,

the farther away the vehicle will be detected, causing the outside rear view mirror indi-
cator to illuminate or flash.

Q

The Blind Spot Monitor is operational

when

The Blind Spot Monitor is operational when

all of the following conditions are met:

O

The Blind Spot Monitor is on.

O

The shift position is in a position other

than R.

O

The vehicle speed is greater than

approximately 16 km/h (10 mph).

Q

The Blind Spot Monitor will detect a

vehicle when

The Blind Spot Monitor will detect a vehicle

present in the detection area in the follow-

ing situations:

O

A vehicle in an adjacent lane overtakes

your vehicle.

O

You overtake a vehicle in adjacent lane

slowly.

O

Another vehicle enters the detection

area when it changes lanes.

A

B

A
B
C
D

304

5-4. Using the driving support systems

Q

Conditions under which the system will

not detect a vehicle

The Blind Spot Monitor is not designed to

detect the following types of vehicles

and/or objects:

O

Small motorcycles, bicycles, pedestrians,
etc.

*

O

Vehicles traveling in the opposite direc-

tion

O

Guardrails, walls, signs, parked vehicles
and similar stationary objects

*

O

Following vehicles that are in the same
lane

*

O

Vehicles traveling 2 lanes away from
your vehicle

*

O

Vehicles which are being overtaken rap-
idly by your vehicle

*

*

: Depending on the conditions, detection

of a vehicle and/or object may occur.

Q

Conditions under which the system may

not function correctly

O

The Blind Spot Monitor may not detect

vehicles correctly in the following situa-

tions:

• When the sensor is misaligned due to a

strong impact to the sensor or its sur-

rounding area

• When mud, snow, ice, a sticker, etc. is

covering the sensor or surrounding area

on the rear bumper

• When driving on a road surface that is

wet with standing water during bad

weather, such as heavy rain, snow, or fog

• When multiple vehicles are approaching

with only a small gap between each vehi-

cle

• When the distance between your vehicle

and a following vehicle is short

• When there is a significant difference in

speed between your vehicle and the

vehicle that enters the detection area

• When the difference in speed between

your vehicle and another vehicle is

changing

• When a vehicle enters a detection area

traveling at about the same speed as your

vehicle

• As your vehicle starts from a stop, a vehi-

cle remains in the detection area

• When driving up and down consecutive

steep inclines, such as hills, dips in the

road, etc.

• When driving on roads with sharp bends,

consecutive curves, or uneven surfaces

• When vehicle lanes are wide, or when

driving on the edge of a lane, and the

vehicle in an adjacent lane is far away

from your vehicle

• When an accessory (such as a bicycle

carrier) is installed to the rear of the vehi-

cle

• When there is a significant difference in

height between your vehicle and the

vehicle that enters the detection area

• Immediately after the Blind Spot Monitor

is turned on

O

Instances of the Blind Spot Monitor

unnecessarily detecting a vehicle and/or

object may increase in the following situ-

ations:

• When the sensor is misaligned due to a

strong impact to the sensor or its sur-

rounding area

• When the distance between your vehicle

and a guardrail, wall, etc. that enters the

detection area is short

• When driving up and down consecutive

steep inclines, such as hills, dips in the

road, etc.

• When vehicle lanes are narrow, or when

driving on the edge of a lane, and a vehi-

cle traveling in a lane other than the adja-

cent lanes enters the detection area

• When driving on roads with sharp bends,

consecutive curves, or uneven surfaces

• When the tires are slipping or spinning

• When the distance between your vehicle

and a following vehicle is short

• When an accessory (such as a bicycle

carrier) is installed to the rear of the vehi-

cle

305

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5-4. Using the driving support systems

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*

: If equipped

Q

Lexus parking assist-sensor



P.306

Q

RCTA (Rear Crossing Traffic
Alert) function (if equipped)



P.313

Q

Adjusting the buzzer volume

The buzzer volume can be adjusted on
the multi-information display. The vol-
ume of buzzers for the Lexus parking
assist-sensor and RCTA function will
be adjusted simultaneously.
Use the meter control switches to
change settings. (



P.164)

1

Press

or

to select

.

2

Press

or

to select “PKSA”

and then press “OK”.

3

Press

or

to select

and

then press “OK”.

Each time the switch is pressed, the vol-

ume level will change between 1, 2, and 3.

Q

Muting a buzzer temporarily

A mute button will be displayed on the
multi-information display when an
object is detected. To mute the buzzer,
press “OK”.
The buzzers for the Lexus parking
assist-sensor and RCTA function will
be muted simultaneously.
Mute will be canceled automatically in
the following situations:



When the shift position is changed.



When the vehicle speed exceeds a
certain speed.



When there is a malfunction in a
sensor or the system is temporarily
unavailable.



When the operating function is dis-
abled manually.



When the power switch is turned
off.

PKSA (Parking Support
Alert)

*

The Parking Support Alert system
consists of the following functions
that operate when driving at a low
speed or backing up, such as when
parking. When the system deter-
mines that the possibility of a colli-
sion with a detected object, such as
a wall is high, a warning operates to
urge the driver to take evasive
action.

PKSA (Parking Support Alert)
system

Setting the buzzer volume

306

5-4. Using the driving support systems

*

: If equipped

Q

Types of sensors

Front corner sensors

Front center sensors

Rear corner sensors

Rear center sensors

Q

Display

When the sensors detect an object,
such as a wall, a graphic is shown on
the multi-information display, head-up
display (if equipped) and Center Dis-
play (vehicles with 10.3-inch display

model) depending on the position and
distance to the object.



Multi-information display and head-
up display

Front corner sensor detection

Front center sensor detection

Rear corner sensor detection

Rear center sensor detection



Center Display

A graphic is shown when the Lexus park-
ing assist monitor (if equipped) is dis-
played.
A simplified image is displayed on the
Center Display when an object is detected.
• When the shift position is in R

• When the shift position is in N, B or D

Lexus parking assist-sensor

*

The distance from your vehicle to
objects, such as a wall, when paral-
lel parking or maneuvering into a
garage is measured by the sensors
and communicated via the multi-
information display, head-up dis-
play (if equipped), Center Display
and a buzzer. Always check the sur-
rounding area when using this sys-
tem.

System components

A
B
C
D

A
B
C
D

307

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5-4. Using the driving support systems

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When an object is detected, a graphic will
be displayed on the panoramic view moni-
tor (if equipped).

Use the meter control switches to
enable/disable the Lexus parking
assist-sensor. (



P.164)

1

Press

or

to select

.

2

Press

or

to select “PKSA”

and then press “OK”.

3

Press

or

to select

and

then press “OK”.

When the Lexus parking assist-sensor
function is disabled, the Lexus parking
assist-sensor OFF indicator (



P.159)

illuminates on the multi-information
display.

When the Lexus parking assist-sensor
function is turned on or off, operation
of the Lexus parking assist-sensor
function continues in the same condi-
tion the next time the EV system is
started.

Turning Lexus parking assist-
sensor on/off

WARNING

Q

Cautions regarding the use of the

system

There is a limit to the degree of recogni-

tion accuracy and control performance

that this system can provide, do not

overly rely on this system. The driver is

always responsible for paying attention

to the vehicle’s surroundings and driving

safely.

Q

To ensure the system can operate

properly

Observe the following precautions.

Failing to do so may result in the vehicle

being unable to be driven safely and pos-

sibly cause an accident.

O

Do not damage the sensors, and

always keep them clean.

O

Do not attach a sticker or install an

electronic component, such as a

backlit license plate (especially fluo-

rescent type), fog lights, fender pole or

wireless antenna near a radar sensor.

O

Do not subject the surrounding area of

the sensor to a strong impact. If sub-

jected to an impact, have the vehicle

inspected by any authorized Lexus

retailer or Lexus authorized repairer,

or any reliable repairer. If the front or

rear bumper needs to be

removed/installed or replaced, con-

tact any authorized Lexus retailer or

Lexus authorized repairer, or any reli-

able repairer.

O

Do not modify, disassemble or paint

the sensors.

O

Do not attach a license plate cover.

308

5-4. Using the driving support systems

Q

The system can be operated when

O

The power switch is in ON.

O

Lexus parking assist-sensor function is

on.

O

The vehicle speed is less than about 10

km/h (6 mph).

O

The shift position is in a position other

than P.

Q

Setting the buzzer volume

The buzzer volume can be adjusted on the

multi-information display. (



P.305)

Q

If “Parking Assist Unavailable Clean

Parking Assist Sensor” is displayed on

the multi-information display

A sensor may be covered with ice, snow,

dirt, etc. Remove the ice, snow, dirt, etc.,

from the sensor to return the system to nor-

mal.

Also, due to ice forming on a sensor at low

temperatures, a warning message may be

displayed or the sensor may not be able to

detect an object. Once the ice melts, the

system will return to normal.

Q

If “Parking Assist Unavailable” is dis-

played on the multi-information display

O

Water may be continuously flowing over

the sensor surface, such as in a heavy

rain. When the system determines that it

is normal, the system will return to nor-

mal.

O

Initialization may not have been per-

formed after a 12-volt battery terminal

was disconnected and reconnected. Ini-

tialize the system. (



P.308)

If this message continues to be displayed

even after initialization, have the vehicle

inspected by any authorized Lexus retailer

or Lexus authorized repairer, or any reli-

able repairer.

Q

If a 12-volt battery terminal has been

disconnected and reconnected

The system needs to be initialized. To initial-

ize the system, drive the vehicle straight

ahead for 5 seconds or more at a speed of

approximately 35 km/h (22 mph) or more.

Additionally, for vehicles with the Parking

Support Brake function, turn the steering

wheel fully to the left and right with the vehi-

cle stopped.

Q

Sensor detection information

O

The sensor’s detection areas are limited

to the areas around the vehicle’s front

and rear bumpers.

O

The following situations may occur

during use.

• Depending on the shape of the object

and other factors, the detection distance

may shorten, or detection may be impos-

sible.

• There will be a short delay between

object detection and display. Even at low

speeds, there is a possibility that the

object will come within the sensor’s

detection areas before the display is

shown and the warning beep sounds.

• It might be difficult to hear the buzzer due

to the volume of the audio system or air

WARNING

O

Keep your tires properly inflated.

Q

When to disable the function

In the following situations, disable the

function as it may operate even though

there is no possibility of a collision.

O

Failing to observe the warnings above.

O

A non-genuine Lexus suspension

(lowered suspension, etc.) is installed.

Q

Notes when washing the vehicle

Do not apply intensive bursts of water or

steam to the sensor area.
Doing so may result in the sensor mal-

functioning.

O

When using a high pressure washer to

wash the vehicle, do not spray the sen-

sors directly, as doing so may cause a

sensor to malfunction.

O

When using steam to clean the vehi-

cle, do not direct steam too close to

the sensors as doing so may cause a

sensor to malfunction.

309

5

5-4. Using the driving support systems

Dr

ivin
g

flow noise of the air conditioning system.

• It may be difficult to hear the buzzer if

buzzers for other systems are sounding.

Q

Objects which the system may not prop-

erly detect

The shape of the object may prevent the

sensor from detecting it. Pay particular

attention to the following objects:

O

Wires, fences, ropes, etc.

O

Cotton, snow and other materials that

absorb sound waves

O

Sharply-angled objects

O

Low objects

O

Tall objects with upper sections project-

ing outwards in the direction of your vehi-

cle

People may not be detected if they are

wearing certain types of clothing.

Q

Situations in which the system may not

operate properly

Certain vehicle conditions and the sur-

rounding environment may affect the ability

of a sensor to correctly detect objects. Par-

ticular instances where this may occur are

listed below.

O

There is dirt, snow or ice on a sensor.

(Cleaning the sensors will resolve this

problem.)

O

A sensor is frozen. (Thawing the area will

resolve this problem.) In especially cold

weather, if a sensor is frozen the sensor

display may be displayed abnormally, or

objects, such as a wall, may not be

detected.

O

When a sensor or the area around a sen-

sor is extremely hot or cold.

O

On an extremely bumpy road, on an

incline, on gravel, or on grass.

O

When vehicle horns, vehicle detectors,

motorcycle engines, air brakes of large

vehicles, the clearance sonar of other

vehicles or other devices which produce

ultrasonic waves are near the vehicle.

O

A sensor is coated with a sheet of spray

or heavy rain.

O

If objects draw too close to the sensor.

O

When a pedestrian is wearing clothing

that does not reflect ultrasonic waves (ex.

skirts with gathers or frills).

O

When objects that are not perpendicular

to the ground, not perpendicular to the

vehicle traveling direction, uneven, or

waving are in the detection range.

O

Strong wind is blowing.

O

When driving in inclement weather such

as fog, snow or a sandstorm.

O

When an object that cannot be detected

is between the vehicle and a detected

object.

O

If an object such as a vehicle, motorcycle,

bicycle or pedestrian cuts in front of the

vehicle or runs out from the side of the

vehicle.

O

If the orientation of a sensor has been

changed due to a collision or other

impact.

O

When equipment that may obstruct a

sensor is installed, such as a towing eye-

let, bumper protector (an additional trim

strip, etc.), bicycle carrier, or snow plow.

O

If the front of the vehicle is raised or low-

ered due to the carried load.

O

If the vehicle cannot be driven in a stable

manner, such as when the vehicle has

been in an accident or is malfunctioning.

O

When tire chains, a compact spare tire or

an emergency tire puncture repair kit are

used.

Q

Situations in which the system may

operate even if there is no possibility of a

collision

In some situations, such as the following, the

system may operate even though there is

no possibility of a collision.

310

5-4. Using the driving support systems

O

When driving on a narrow road.

O

When driving toward a banner, flag, low-

hanging branch or boom barrier (such as

those used at railroad crossings, toll

gates and parking lots).

O

When there is a rut or hole in the surface

of the road.

O

When driving on a metal cover (grating),

such as those used for drainage ditches.

O

When driving up or down a steep slope.

O

If a sensor is hit by a large amount of

water, such as when driving on a flooded

road.

O

There is dirt, snow, water drops or ice on

a sensor. (Cleaning the sensors will

resolve this problem.)

O

A sensor is coated with a sheet of spray

or heavy rain.

O

When driving in inclement weather such

as fog, snow or a sandstorm.

O

When strong winds are blowing.

O

When vehicle horns, vehicle detectors,

motorcycle engines, air brakes of large

vehicles, the clearance sonar of other

vehicles or other devices which produce

ultrasonic waves are near the vehicle.

O

If the front of the vehicle is raised or low-

ered due to the carried load.

O

If the orientation of a sensor has been

changed due to a collision or other

impact.

O

The vehicle is approaching a tall or

curved curb.

O

Driving close to columns (H-shaped steel

beams, etc.) in multi-story parking

garages, construction sites, etc.

O

If the vehicle cannot be driven in a stable

manner, such as when the vehicle has

been in an accident or is malfunctioning.

O

On an extremely bumpy road, on an

incline, on gravel, or on grass.

O

When tire chains, a compact spare tire or

an emergency tire puncture repair kit are

used.

Q

Detection range of the sensors

Approximately 100 cm (3.3 ft.)

Sensor detection display, object
distance

A