Lexus UX200 (2022 year). Manual in english — page 13
219
4-5. Using the driving support systems
4
Driving
Use the meter control switches to
enable/disable the intuitive parking
assist. (
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 intuitive parking assist func-
tion is disabled, the intuitive parking
assist OFF indicator (
nates on the multi-information display.
When the intuitive parking assist func-
tion is turned on or off, operation of the
intuitive parking assist function contin-
ues in the same condition the next time
the engine is started.
Turning intuitive parking assist
on/off
WARNING
■
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.
■
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.
●
Do not damage the sensors, and
always keep them clean.
●
Do not attach a sticker or install an
electronic component, such as a back-
lit license plate (especially fluorescent
type), fog lights, fender pole or wire-
less antenna near a radar sensor.
●
Do not subject the surrounding area of
the sensor to a strong impact. If sub-
jected to an impact, have the vehicle
inspected by your Lexus dealer. If the
front or rear bumper needs to be
removed/installed or replaced, con-
tact your Lexus dealer.
●
Do not modify, disassemble or paint
the sensors.
●
Do not attach a license plate cover.
●
Keep your tires properly inflated.
■
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.
●
Failing to observe the warnings above.
●
A non-genuine Lexus suspension
(lowered suspension, etc.) is installed.
■
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.
●
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.
220
4-5. Using the driving support systems
■
The system can be operated when
●
The engine switch is in ON.
●
Intuitive parking assist function is on.
●
The vehicle speed is less than about 6
mph (10 km/h).
●
The shift lever is in a position other than P.
■
Setting the buzzer volume
The buzzer volume can be adjusted on the
multi-information display. (
■
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.
■
If “Parking Assist Unavailable” is dis-
played on the multi-information display
●
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.
●
Initialization may not have been per-
formed after a battery terminal was dis-
connected and reconnected. Initialize the
system. (
If this message continues to be displayed
even after initialization, have the vehicle
inspected by your Lexus dealer.
■
If a battery terminal has been discon-
nected 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 22 mph (35 km/h) or more.
■
Sensor detection information
●
The sensor’s detection areas are limited
to the areas around the vehicle’s front
and rear bumpers.
●
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
flow noise of the air conditioning system.
• It may be difficult to hear the buzzer if
buzzers for other systems are sounding.
■
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:
●
Wires, fences, ropes, etc.
●
Cotton, snow and other materials that
absorb sound waves
●
Sharply-angled objects
●
Low objects
●
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.
■
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.
●
There is dirt, snow or ice on a sensor.
(Cleaning the sensors will resolve this
WARNING
●
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.
221
4-5. Using the driving support systems
4
Driving
problem.)
●
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.
●
When a sensor or the area around a sen-
sor is extremely hot or cold.
●
On an extremely bumpy road, on an
incline, on gravel, or on grass.
●
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.
●
A sensor is coated with a sheet of spray
or heavy rain.
●
If objects draw too close to the sensor.
●
When a pedestrian is wearing clothing
that does not reflect ultrasonic waves (ex.
skirts with gathers or frills).
●
When objects that are not perpendicular
to the ground, not perpendicular to the
vehicle traveling direction, uneven, or
waving are in the detection range.
●
Strong wind is blowing.
●
When driving in inclement weather such
as fog, snow or a sandstorm.
●
When an object that cannot be detected
is between the vehicle and a detected
object.
●
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.
●
If the orientation of a sensor has been
changed due to a collision or other
impact.
●
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.
●
If the front of the vehicle is raised or low-
ered due to the carried load.
●
If the vehicle cannot be driven in a stable
manner, such as when the vehicle has
been in an accident or is malfunctioning.
●
When tire chains, a compact spare tire or
an emergency tire puncture repair kit are
used.
■
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.
●
When driving on a narrow road.
●
When driving toward a banner, flag, low-
hanging branch or boom barrier (such as
those used at railroad crossings, toll
gates and parking lots).
●
When there is a rut or hole in the surface
of the road.
●
When driving on a metal cover (grating),
such as those used for drainage ditches.
●
When driving up or down a steep slope.
●
If a sensor is hit by a large amount of
water, such as when driving on a flooded
road.
●
There is dirt, snow, water drops or ice on
a sensor. (Cleaning the sensors will
resolve this problem.)
●
A sensor is coated with a sheet of spray
or heavy rain.
●
When driving in inclement weather such
as fog, snow or a sandstorm.
●
When strong winds are blowing.
222
4-5. Using the driving support systems
●
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.
●
If the front of the vehicle is raised or low-
ered due to the carried load.
●
If the orientation of a sensor has been
changed due to a collision or other
impact.
●
The vehicle is approaching a tall or
curved curb.
●
Driving close to columns (H-shaped steel
beams, etc.) in multi-story parking
garages, construction sites, etc.
●
If the vehicle cannot be driven in a stable
manner, such as when the vehicle has
been in an accident or is malfunctioning.
●
On an extremely bumpy road, on an
incline, on gravel, or on grass.
●
When tire chains, a compact spare tire or
an emergency tire puncture repair kit are
used.
■
Certification
223
4-5. Using the driving support systems
4
Driving
■
Detection range of the sensors
Approximately 3.3 ft. (100 cm)
Approximately 4.9 ft. (150 cm)
Approximately 2.0 ft. (60 cm)
The diagram shows the detection range of
the sensors. Note that the sensors cannot
detect objects that are extremely close to
the vehicle.
The range of the sensors may change
depending on the shape of the object, etc.
■
Multi-information display, head-up display (if equipped) and Center Display
(vehicles with 10.3-inch display model)
When an object is detected by a sensor, the approximate distance to the object will
be displayed on the multi-information display, Center Display, and head-up dis-
play. (As the distance to the object becomes short, the distance segments may
blink.)
Approximate distance to object: 4.9 ft. (150 cm) to 2.0 ft. (60 cm)
*
(Rear center
sensor)
*
: Automatic buzzer mute function is enabled. (
Sensor detection display, object
distance
A
B
C
Multi-information display
Center Display
Head-up display
224
4-5. Using the driving support systems
Approximate distance to object: 3.3 ft. (100 cm) to 2.0 ft. (60 cm)
*
(Front cen-
ter sensor)
*
: Automatic buzzer mute function is enabled. (
Approximate distance to object: 2.0 ft. (60 cm) to 1.5 ft. (45 cm)
*
*
: Automatic buzzer mute function is enabled. (
Approximate distance to object: 1.5 ft. (45 cm) to 1.0 ft. (30 cm)
*
*
: Automatic buzzer mute function is enabled. (
Approximate distance to object: 1.0 ft. (30 cm) to 0.5 ft. (15 cm)
*1
*1
: Automatic buzzer mute function is disabled. (
*2
: The distance segments will blink slowly.
Multi-information display
Center Display
Head-up display
Multi-information display
Center Display
Head-up display
Multi-information display
Center Display
Head-up display
Multi-information display
*2
Center Display
*2
Head-up display
225
4-5. Using the driving support systems
4
Driving
Approximate distance to object: Less than 0.5 ft. (15 cm)
*1
*1
: Automatic buzzer mute function is disabled. (
*2
: The distance segments will blink rapidly.
■
Buzzer operation and distance to
an object
A buzzer sounds when the sensors are
operating.
The buzzer beeps faster as the vehi-
cle approaches an object. When the
vehicle comes within the following
distance of the object, the buzzer
sounds continuously:
Approximately 1.0 ft. (30 cm)
When 2 or more objects are
detected simultaneously, the buzzer
sounds for the nearest object. If one
or more objects come within
approximately 1.0 ft. (30 cm) of the
vehicle, the buzzer will repeat a long
tone, followed by fast beeps.
Automatic buzzer mute function:
After a buzzer begins sounding, if
the distance between the vehicle
and the detected object does not
become shorter, the buzzer will be
muted automatically. (However, if
the distance between the vehicle
and object is 1.0 ft. [30 cm] or less,
this function will not operate.)
The buzzer sounds volume can be
adjusted. (
Multi-information display
*2
Center Display
*2
Head-up display
226
4-5. Using the driving support systems
*
: If equipped
Multi-information display
The RCTA function can be turned on/off.
When the RCTA function is disabled, the
RCTA OFF indicator illuminates.
Outside rear view mirror indicators
When a vehicle approaching from the right
or left at the rear of the vehicle is detected,
both outside rear view mirror indicators
will flash.
Center Display
If a vehicle approaching from the right or
left at the rear of the vehicle is detected,
the RCTA icon (
P.227) for the detected
side will be displayed on the Center Dis-
play. This illustration shows an example of a
vehicle approaching from both sides of the
vehicle.
RCTA buzzer
If a vehicle approaching from the right or
left at the rear of the vehicle is detected, a
buzzer will sound. The buzzer also sounds
RCTA (Rear Cross Traffic
Alert) function
*
The RCTA function uses the BSM
rear side radar sensors installed on
the inner side of the rear bumper.
This function is intended to assist
the driver in checking areas that
are not easily visible when backing
up.
WARNING
■
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. (
■
To ensure the system can operate
properly
System components
A
B
C
D
227
4-5. Using the driving support systems
4
Driving
for approximately 1 second immediately
after the RCTA function is turned on.
Use the meter control switches to
enable/disable the RCTA function.
(
Vehicles without the Intuitive park-
ing assist
1
Press
or
to select
.
2
Press
or
to select “RCTA”
and then press “OK”.
3
Press
or
to select “RCTA”
again and then press “OK”.
Each time “OK” is pressed, the RCTA
function will be enabled/disabled.
Vehicles with the Intuitive parking
assist
1
Press
or
to select
.
2
Press
or
to select “PKSA”
and then press “OK”.
3
Press
or
to select “RCTA”
and then press “OK”.
Each time the engine switch is turned off
then changed to ON, the RCTA function
will be enabled automatically.
■
Outside rear view mirror indicator visi-
bility
In strong sunlight, the outside rear view mir-
ror indicator may be difficult to see.
■
Hearing the RCTA buzzer
The RCTA buzzer may be difficult to hear
over loud noises, such as if the audio system
volume is high.
■
When “Rear Cross Traffic Alert
Unavailable” is shown on the multi-
information display
Ice, water, snow, mud, etc., may be attached
to the rear bumper around the sensors.
(
P.213) Remove the ice, snow, mud, etc.,
attached to the rear bumper around the
sensors to return the function to normal.
Additionally, the function may not operate
normally when used in extremely hot or
cold environments.
■
Rear side radar sensors
■
Operation of the RCTA function
The RCTA function uses rear side
radar sensors to detect vehicles
approaching from the right or left at
the rear of the vehicle and alerts the
driver of the presence of such vehicles
by flashing the outside rear view mirror
indicators and sounding a buzzer.
Approaching vehicles
Detection areas of approaching
vehicles
■
RCTA icon display
When a vehicle approaching from the
right or left at the rear of the vehicle is
detected, the following will be dis-
played on the Center Display.
Turning the RCTA function
on/off
RCTA function
A
B
228
4-5. Using the driving support systems
Example (Lexus parking assist mon-
itor): Vehicles are approaching
from both sides of the vehicle
■
RCTA function detection areas
The areas that vehicles can be
detected in are outlined below.
The buzzer can alert the driver of
faster vehicles approaching from far-
ther away.
Example:
■
The RCTA function is operational when
The RCTA function operates when all of the
following conditions are met:
●
The engine switch is in ON.
●
The RCTA function is on.
●
The shift lever is in R.
●
The vehicle speed is less than approxi-
mately 5 mph (8 km/h).
●
The approaching vehicle speed is
between approximately 5 mph (8 km/h)
and 18 mph (28 km/h).
■
Setting the buzzer volume
The buzzer volume can be adjusted on the
multi-information display.
Use the meter control switches to change
settings. (
Vehicles without the Intuitive parking
assist
1
Press
or
to select
.
2
Press
or
to select “RCTA” and
then press “OK”.
3
Press
or
to select
and then
press “OK”.
Each time the switch is pressed, the volume
level will change between 1, 2 and 3.
Vehicles with the Intuitive parking assist
■
Muting a buzzer temporarily
Vehicles without the Intuitive parking
assist
A mute button will be displayed on the
multi-information display when an object is
detected. To mute the buzzer, press “OK”
●
When the shift lever is changed.
●
When the vehicle speed exceeds a cer-
tain speed.
●
When the operating function is tempo-
rarily canceled.
●
When the operating function is disabled
manually.
●
When the engine switch is turned off.
Vehicles with the Intuitive parking assist
■
Conditions under which the system will
not detect a vehicle
The RCTA function is not designed to
Approaching vehi-
cle speed
Approximate
alert distance
18 mph (28 km/h)
(fast)
65 ft. (20 m)
5 mph (8 km/h)
(slow)
18 ft. (5.5 m)
A
229
4-5. Using the driving support systems
4
Driving
detect the following types of vehicles
and/or objects:
●
Vehicles approaching from directly
behind
●
Vehicles backing up in a parking space
next to your vehicle
●
Vehicles that the sensors cannot detect
due to obstructions
●
Guardrails, walls, signs, parked vehicles
and similar stationary objects
*
●
Small motorcycles, bicycles, pedestrians,
etc.
*
●
Vehicles moving away from your vehicle
●
Vehicles approaching from the parking
spaces next to your vehicle
*
●
The distance between the sensor and
approaching vehicle gets too close
*
: Depending on the conditions, detection
of a vehicle and/or object may occur.
■
Situations in which the system may not
operate properly
The RCTA function may not detect vehicles
correctly in the following situations:
●
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 a vehicle is approaching at high
speed.
●
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.
●
When backing up on a slope with a sharp
change in grade.
●
When backing out of a sharp angle park-
ing spot.
●
When towing a trailer.
●
When there is a significant difference in
height between your vehicle and the
vehicle that enters the detection area.
●
When a sensor or the area around a sen-
sor is extremely hot or cold.
●
If the suspension has been modified or
tires of a size other than specified are
installed.
●
If the front of the vehicle is raised or low-
ered due to the carried load.
●
When turning while backing up.
230
4-5. Using the driving support systems
●
When a vehicle turns into the detection
area.
■
Situations in which the system may
operate even if there is no possibility of a
collision
Instances of the RCTA function unneces-
sarily detecting a vehicle and/or object may
increase in the following situations:
●
When the parking space faces a street
and vehicles are being driven on the
street.
●
When the distance between your vehicle
and metal objects, such as a guardrail,
wall, sign, or parked vehicle, which may
reflect electrical waves toward the rear of
the vehicle, is short.
●
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.
●
When a vehicle passes by the side of your
vehicle.
●
When a detected vehicle turns while
approaching the vehicle.
●
When there are spinning objects near
your vehicle such as the fan of an air con-
ditioning unit.
●
When water is splashed or sprayed
toward the rear bumper, such as from a
sprinkler.
●
Moving objects (flags, exhaust fumes,
large rain droplets or snowflakes, rain
water on the road surface, etc.).
●
When the distance between your vehicle
and a guardrail, wall, etc., that enters the
detection area is short.
●
Gratings and gutters.
●
When a sensor or the area around a sen-
sor is extremely hot or cold.
●
If the suspension has been modified or
tires of a size other than specified are
installed.
●
If the front of the vehicle is raised or low-
ered due to the carried load.
231
4-5. Using the driving support systems
4
Driving
*
: If equipped
■
Parking Support Brake function
(static objects)
■
Parking Support Brake function
(rear-crossing vehicles)
PKSB (Parking Support
Brake)
*
The Parking Support Brake 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 is high, a
warning operates to urge the driver
to take evasive action. If the system
determines that the possibility of a
collision with a detected object is
extremely high, the brakes are
automatically applied to help avoid
the collision or help reduce the
impact of the collision.
PKSB (Parking Support Brake)
system
WARNING
■
Cautions regarding the use of the
system
Do not overly rely on the system, as
doing so may lead to an accident. Always
drive while checking the safety of the sur-
roundings of the vehicle. Depending on
the vehicle and road conditions, weather,
etc., the system may not operate. The
detection capabilities of sensors and
radars are limited. Always drive while
checking the safety of the surroundings
of the vehicle.
●
The driver is solely responsible for safe
driving. Always drive carefully, taking
care to observe your surroundings.
The Parking Support Brake system is
designed to provide support to lessen
the severity of collisions. However, it
may not operate in some situations.
●
The Parking Support Brake system is
not designed to stop the vehicle com-
pletely. Additionally, even if the system
has stopped the vehicle, it is necessary
to depress the brake pedal immedi-
ately as brake control will be canceled
after approximately 2 seconds.
●
It is extremely dangerous to check the
system operations by intentionally
driving the vehicle into the direction of
a wall, etc. Never attempt such actions.
■
When to disable the Parking Support
Brake
In the following situations, disable the
Parking Support Brake as the system
may operate even though there is no
possibility of a collision.
●
When inspecting the vehicle using a
chassis roller, chassis dynamo or free
roller.
●
When loading the vehicle onto a boat,
truck or other transport vessel.
●
If the suspension has been modified or
tires of a size other than specified are
installed.
232
4-5. Using the driving support systems
The Parking Support Brake can be
enabled/disabled on the multi-infor-
mation display. All of the Parking Sup-
port Brake functions (static objects and
rear crossing vehicles) are
enabled/disabled simultaneously.
Use the meter control switches to
enable/disable the parking support
brake. (
1
Press
or
to select
.
2
Press
or
to select
and
then press “OK”.
When the Parking Support Brake is dis-
abled, the PKSB OFF indicator (
illuminates on the multi-information dis-
play.
When the Parking Support Brake is turned
on or off, operation of the Parking Support
Brake continues in the same condition the
next time the engine is started.
If the engine output restriction control or
brake control operates, a buzzer will
sound and a message will be displayed on
the multi-information display, to alert the
driver. On vehicles with head-up display,
the head-up display will display the same
message as the multi-information display.
Depending on the situation, engine output
restriction control will operate to either
limit acceleration or restrict output as
much as possible.
Engine output restriction control is
operating (acceleration restriction)
Acceleration greater than a certain
amount is restricted by the system.
Multi-information display: “Object
Detected Acceleration Reduced”
WARNING
●
If the front of the vehicle is raised or
lowered due to the carried load.
●
When equipment that may obstruct a
sensor is installed, such as a towing
eyelet, bumper protector (an addi-
tional trim strip, etc.), bicycle carrier,
or snow plow.
●
When using automatic car washing
devices.
●
If the vehicle cannot be driven in a sta-
ble manner, such as when the vehicle
has been in an accident or is malfunc-
tioning.
●
When the vehicle is driven in a sporty
manner or off-road.
●
When the tires are not properly
inflated.
●
When the tires are very worn.
●
When tire chains, a compact spare tire
or an emergency tire puncture repair
kit are used.
NOTICE
■
If “Parking Support Brake Unavail-
able” is displayed on the multi-infor-
mation display and the PKSB OFF
indicator is flashing
If this message is displayed immediately
after the engine switch is changed to
ON, operate the vehicle carefully, pay-
ing attention to your surroundings. It may
be necessary to drive the vehicle for a
certain amount of time before the system
returns to normal. (If the system does not
return to normal after driving for a while,
clean the sensors and their surrounding
area on the bumpers.)
Enabling/Disabling the Parking
Support Brake
Displays and buzzers for engine
output restriction control and
brake control
233
4-5. Using the driving support systems
4
Driving
PKSB OFF indicator: Not illuminated
Buzzer: Does not sound
Engine output restriction control is
operating (output restricted as
much as possible)
The system has determined that stronger-
than-normal brake operation is necessary.
Multi-information display: “BRAKE!”
PKSB OFF indicator: Not illuminated
Buzzer: Short beep
Brake control is operating
The system determined that emergency
braking is necessary.
Multi-information display: “BRAKE!”
PKSB OFF indicator: Not illuminated
Buzzer: Short beep
Vehicle stopped by system opera-
tion
The vehicle has been stopped by brake
control operation.
Multi-information display: “Switch to
Brake” (If the accelerator pedal is not
depressed, “Press Brake Pedal” will be dis-
played.)
PKSB OFF indicator: Illuminated
Buzzer: Short beep
If the Parking Support Brake deter-
mines that a collision with a detected
object is possible, the engine output
will be restricted to restrain any
increase in the vehicle speed. (Engine
output restriction control: See figure 2
below.)
Additionally, if the accelerator pedal
continues to be depressed, the brakes
will be applied automatically to reduce
the vehicle speed. (Brake control: See
figure 3 below.)
Figure 1 When the PKSB (Parking
Support Brake) is disabled
Engine output
Braking force
Time
Figure 2 When engine output
restriction control operates
Engine output
Braking force
Time
Engine output restriction control
begins operating (The system
determines that possibility of colli-
sion with detected object is high)
“BRAKE!” is displayed on the multi-infor-
mation display.
System overview
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B
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234
4-5. Using the driving support systems
Engine output reduced
Figure 3 When brake control oper-
ates
Engine output
Braking force
Time
Engine output restriction control
begins operating (The system
determines that possibility of colli-
sion with detected object is high)
“BRAKE!” is displayed on the multi-infor-
mation display.
Engine output reduced
Brake control begins operating
(the system determines that possi-
bility of collision with detected
object is extremely high)
Brake control strength increased
“Switch to Brake” is displayed on
the multi-information display
■
If the Parking Support Brake has oper-
ated
If the vehicle is stopped due to operation of
the Parking Support Brake, the Parking
Support Brake will be disabled and the
PKSB OFF indicator will illuminate. If the
Parking Support Brake operates unneces-
sarily, brake control can be canceled by
depressing the brake pedal or waiting for
approximately 2 seconds for it to automati-
cally be canceled. Then, the vehicle can be
operated by depressing the accelerator
pedal.
■
Re-enabling the Parking Support Brake
To re-enable the Parking Support Brake
when it is disabled due to operation of the
Parking Support Brake, either enable the
system again (
switch off and then back to ON. Addition-
ally, if the object becomes no longer in the
traveling direction of the vehicle or if the
traveling direction of the vehicle changes
(such as changing from moving forward to
backing up, or from backing up to moving
forward), the system will be re-enabled
automatically.
■
If “Parking Support Brake Unavailable”
is displayed on the multi-information
display and the PKSB OFF indicator is
flashing
If this message is displayed, a sensor on the
front or rear bumper may be dirty. Clean
the sensors and their surrounding area on
the bumpers.
■
If “Parking Support Brake Unavailable”
and “Parking Assist Unavailable Clean
Parking Assist Sensor” are displayed on
the multi-information display and the
PKSB OFF indicator is flashing
●
A sensor may be covered with ice, snow,
dirt, etc. In this case, remove the ice,
snow, dirt, etc., from the sensor to return
the system to normal. If this message is
shown even after removing dirt from the
sensor, or shown when the sensor was
not dirty to begin with, have the vehicle
inspected at your Lexus dealer.
●
A sensor may be frozen. Once the ice
melts, the system will return to normal.
●
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.
■
If a battery terminal has been discon-
nected 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
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