LEXUS UX 200 (2019 year). Instruction — part 14
220
4-5. Using the driving support systems
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.
■
Muting a buzzer temporarily
A mute button will be displayed on the
multi-information display when an
object or pedestrian is detected. To
mute the buzzer, press “OK”.
The buzzers for the intuitive parking
assist and RCTA function will be muted
simultaneously.
Mute will be canceled automatically in
the following situations:
When the shift lever is changed.
When there is a malfunction in a
sensor or the system is temporarily
unavailable.
When the operating function is dis-
abled manually.
When the engine switch is turned
off.
*
: If equipped
■
Types of sensors
Front corner sensors
Front center sensors
Rear corner sensors
Rear center sensors
■
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.
Intuitive parking assist
*
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
221
4-5. Using the driving support systems
4
Driving
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 is displayed.
A simplified image is displayed on the
Center Display when an object is detected.
• When the shift lever is in R
• When the shift lever is in N, M or D
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.
A
B
C
D
Turning intuitive parking assist
on/off
WARNING
■
When using the intuitive parking
assist
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 use the sensor at speeds in
excess of 6 mph (10 km/h).
222
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.
■
Sensor detection information
●
The sensor’s detection areas are limited
to the areas around the vehicle’s front and
rear bumpers.
WARNING
●
The sensors’ detection areas and reac-
tion times are limited. When moving
forward or reversing, check the areas
surrounding the vehicle (especially the
sides of the vehicle) for safety, and
drive slowly, using the brake to control
the vehicle’s speed.
●
Do not install accessories within the
sensors’ detection areas.
●
The area directly under the bumpers is
not detected.
■
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.
●
The vehicle is equipped with a fender
pole or wireless antenna.
●
The front or rear bumper or a sensor
receives a strong impact.
●
A non-genuine Lexus suspension
(lowered suspension, etc.) is installed.
●
Towing eyelet is installed.
●
A backlit license plate is installed.
■
When using intuitive parking assist
In the following situations, the system
may not function correctly due to a sen-
sor malfunction, etc. Have the vehicle
checked by your Lexus dealer.
●
The intuitive parking assist operation
display flashes or shows continuously,
and a beep sounds when no objects
are detected.
●
If the area around a sensor collides
with something, or is subjected to
strong impact.
●
If the bumper or grille collides with
something.
●
If the display flashes or is displayed
continuously and a buzzer does not
sound, except when the mute function
has been turned on.
●
If a display error occurs, first check the
sensor.
If the error occurs even when there is
no ice, snow or mud on the sensor, it is
likely that the sensor is malfunctioning.
■
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.
●
When using steam to clean the vehicle,
do not direct steam too close to the
sensors as doing so may cause a sen-
sor to malfunction.
223
4-5. Using the driving support systems
4
Driving
●
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.
■
Conditions under which the function
may not function correctly
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
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 dis-
played abnormally, or objects, such as a
wall, may not be detected.
●
A sensor is covered in any way.
●
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.
●
The vicinity of the vehicle is noisy due to
vehicle horns, motorcycle engines, air
brakes of large vehicles, or other loud
noises producing ultrasonic waves.
●
There is another vehicle equipped with
parking assist sensors in the vicinity.
●
A sensor is coated with a sheet of spray
or heavy rain.
●
If a sensor is hit by a large amount of
water, such as when driving on a flooded
road.
●
If the vehicle is significantly tilted.
●
The vehicle is approaching a tall or
curved curb.
●
If objects draw too close to the sensor.
■
Objects which may not be properly
detected
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.
■
Certification
224
4-5. Using the driving support systems
■
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 (vehicles with 10.3-
inch display model), and head-up display (if equipped). (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. (
Approximate distance to object: 3.3 ft. (100 cm) to 2.0 ft. (60 cm)
*
(Front cen-
ter sensor)
Sensor detection display, object
distance
A
B
C
Multi-information display
Center Display
Head-up display
225
4-5. Using the driving support systems
4
Driving
*
: 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.
Approximate distance to object: Less than 0.5 ft. (15 cm)
*1
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
226
4-5. Using the driving support systems
*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
227
4-5. Using the driving support systems
4
Driving
*
: 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.228) 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
for approximately 1 second immediately
after the RCTA function is turned on.
Use the meter control switches to
enable/disable the RCTA function.
(
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.
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.
System components
A
B
Turning the RCTA function
on/off
C
D
228
4-5. Using the driving support systems
■
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.216) 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.
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.
WARNING
■
Cautions regarding the use of the
function
The driver is solely responsible for safe
driving. Always drive safely, taking care
to observe your surroundings.
The RCTA function is only a supplemen-
tary function which alerts the driver that a
vehicle is approaching from the right or
left at the rear of the vehicle. As the
RCTA function may not function cor-
rectly under certain conditions, the
driver’s own visual confirmation of safety
is necessary. Over reliance on this func-
tion may lead to an accident resulting
death or serious injury.
RCTA function
A
B
229
4-5. Using the driving support systems
4
Driving
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. (
■
Conditions under which the RCTA func-
tion will not detect a vehicle
The RCTA function is not designed to
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
*
*
: Depending on the conditions, detection
of a vehicle and/or object may occur.
■
Conditions under which the RCTA func-
tion may not function correctly
●
The RCTA function may not detect vehi-
cles correctly in the following situations:
• When a 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 a sensor or its 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
• If a vehicle is approaching the rear of
your vehicle rapidly
• When a towing eyelet is installed to the
rear of the vehicle.
• When backing up on a slope with a sharp
change in grade
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
230
4-5. Using the driving support systems
• When backing out of a shallow angle
parking spot
• Immediately after the RCTA function is
turned on
• Immediately after the engine is started
with the RCTA function on
• When the sensors cannot detect a vehi-
cle due to obstructions
●
Instances of the RCTA function unneces-
sarily detecting a vehicle and/or object
may increase in the following situations:
• When a vehicle passes by the side of your
vehicle
• 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 a towing eyelet is installed to the
rear of the vehicle
●
When a detected vehicle turns while
approaching the vehicle
●
When a vehicle passes by the side of your
vehicle
●
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
231
4-5. Using the driving support systems
4
Driving
●
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
*
: 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
■
Limitations of the Parking Support
Brake system
Do not overly rely on the system, as
doing so may lead to an accident.
232
4-5. Using the driving support systems
The Parking Support Brake can be
enabled/disabled on the multi-informa-
tion display. All of the Parking Support
Brake functions (static objects and rear
crossing vehicles) are enabled/dis-
abled 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 (
P.70)
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
Center Display and multi-information dis-
play, 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”
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
WARNING
●
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.
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, paying
attention to your surroundings.
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
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.
Engine output reduced
Figure 3 When brake control oper-
ates
System overview
A
B
C
A
B
C
D
E
234
4-5. Using the driving support systems
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 possibility
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 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.
●
A sensor may be covered with ice, snow,
dirt, etc. Remove the ice, snow, dirt, etc.,
from the sensor to return the system to
normal.
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.
●
The surrounding area of the sensors on
the bumper may be dirty, or a sensor may
be covered with ice, snow, dirt, etc. In this
case, remove the ice, snow, dirt, etc. from
the sensor or its surrounding area on the
bumper to return the system to a normal
state. At a low temperature, a warning
message may be displayed or an object
may not be detected due to freezing of
the sensor. Once the ice melts, the sys-
tem will return to normal.
●
If this message continues to be displayed
even after cleaning the sensor, or is dis-
played even though the sensor is clean,
have the vehicle inspected by your Lexus
dealer.
●
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
A
B
C
D
E
F
G
H
235
4-5. Using the driving support systems
4
Driving
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.
*
: If equipped
This function will operate in situations
such as the following if an object is
detected in the traveling direction of
the vehicle.
Parking Support Brake func-
tion (static objects)
*
If the sensors detect a static object,
such as a wall, in the traveling direc-
tion of the vehicle and the system
determines that a collision may
occur due to the vehicle suddenly
moving forward due to an acciden-
tal accelerator pedal operation, the
vehicle moving the unintended
direction due to the wrong shift
position being selected, or while
parking or traveling at low speeds,
the system will operate to lessen
the impact with the detected static
object and reduce the resulting
damage.
Examples of function operation
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