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2174-5. Using the driving support systems
4
Driving
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.82)
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 ( P.75) illumi-
nates on the multi-information display.
To re-enable the system, select on
the multi-information display, select and turn it on. If the system is dis-
abled, it will remain off even if the
power switch is tu rned to ON mode
after the power switch has been turned
off.
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).
●The sensors’ detection areas and reac-
tion times are limited. When moving
forward or reversin g, check the areas
surrounding the vehicle (especially the
sides of the vehicl e) 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. Thin posts or objects
lower than the sensor may not be
detected when approached, even if
they have been detected once.
■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, wireless antenna or fog lights.
●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.

2184-5. Using the driving support systems
■The system can be operated when
●The power switch is in ON mode.
●Intuitive parking assist function is on.
●The vehicle speed is less than about 6
mph (10 km/h).
●A shift lever is shifted to a position other
than P.
■Setting the buzzer volume
The buzzer volume can be adjusted on the
multi-information display. ( P.215)
■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 warn ing 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 continuo usly 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 12-volt battery terminal
was disconnected and reconnected. Ini-
tialize the system. ( P.218)
If this message continues to be displayed
even after initializati on, have the vehicle
inspected by your Lexus dealer.
■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 22 mph (35 km/h) 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.
■Sensor detection information
●The sensor’s detectio n 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
WARNING
■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 buzzer 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 vehi-
cle, do not direct steam too close to
the sensors as doing so may cause a
sensor to malfunction.

2194-5. Using the driving support systems
4
Driving
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.
■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 detectin g 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 de tected if they are
wearing certain types of clothing.
■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.
Sensor detection display, object
distance
A
B
C

2204-5. Using the driving support systems
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
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. ( P.221)
 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. ( P.221)
 Approximate distance to object: 2. 0 ft. (60 cm) to 1.5 ft. (45 cm)*
*: Automatic buzzer mute function is enabled. ( P.221)
Multi-information displayCenter DisplayHead-up display
Multi-information displayCenter DisplayHead-up display
Multi-information displayCenter DisplayHead-up display

2214-5. Using the driving support systems
4
Driving
Approximate distance to object: 1. 5 ft. (45 cm) to 1.0 ft. (30 cm)*
*: Automatic buzzer mute function is enabled. ( P.221)
 Approximate distance to object: 1. 0 ft. (30 cm) to 0.5 ft. (15 cm)*1
*1: Automatic buzzer mute function is disabled. ( P.221)
*2: The distance segments will blink slowly.
 Approximate distance to object: Less than 0.5 ft. (15 cm)*1
*1: Automatic buzzer mute function is disabled. ( P.221)
*2: The distance segmen ts 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
Multi-information displayCenter DisplayHead-up display
Multi-information display*2Center Display*2Head-up display
Multi-information display*2Center Display*2Head-up display

2234-5. Using the driving support systems
4
Driving
Center Display
If a vehicle approaching from the right or
left at the rear of the vehicle is detected,
the RCTA icon (P.224) 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.
Use the meter control switches to
enable/disable the RCTA function.
(  P.82)
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”
and then press “OK”.
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”.
When the RCTA function is disabled, the
RCTA OFF indicator ( P.75) illuminates
on the multi-information display. (Each
time the power switch is turned off then changed to ON mode, 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, snow, mud, etc., may be attached to the
rear bumper around the sensors. ( P.210)
Remove the ice, snow, mud, etc., attached
to the rear bumper around the sensors to
return the function to normal. Additionally,
the sensors may not operate normally when
driving in extremely hot or cold environ-
ments.
■Rear side radar sensors
 P.210
Turning the RCTA function
on/off
C
D
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 certai n conditions, the
driver’s own visual confirmation of safety
is necessary. Over re liance on this func-
tion may lead to an accident resulting
death or serious injury.
NOTICE
■Before using the RCTA function
Do not place obstacles near the sensors.

2244-5. Using the driving support systems
■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 indi cators 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 monitor) (if
equipped): Vehicles are approaching from
both sides of the vehicle
■RCTA function detection areas
The areas that vehicles can be detected in are outlined below.
RCTA function
A
B

2254-5. 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 power switch is in ON mode.
●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. ( P.82)
Vehicles without the Intuitive parking
assist
1 Press or to select .
2 Press or to select “RCTA”,
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
 P.215
■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 power switch is turned off.
Vehicles with the Intuitive parking assist
 P.215
■Conditions under which the RCTA
function 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
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

2274-5. Using the driving support systems
4
Driving
*:If equipped
Pedestrian detection icon
Displayed automatically when a pedestrian
is detected.
RCD OFF icon
When the RCD function is disabled, the
RCD OFF icon illuminates. (Each time the
power switch is turned off then changed to
ON mode, the RCD function will be
enabled automatically.)
Use the meter control switches to
enable/disable the RCD function.
(  P.82)
1 Press or to select . 2
Press or to select “PKSA”
and then press “OK”.
3 Press or to select “RCD”
and then press “OK”.
When the RCD function is disabled, the
RCD OFF indicator ( P.75) illuminates
on the multi-information display.
If the rear camera detection function
detects a pedestrian in the detection
area, the buzzer and pedestrian detec-
tion will operate as follows:
If a pedestrian is detected in area
Buzzer: Sounds repeatedly
Pedestrian detection icon: Blinks 3
times and then stays on
If a pedestrian is detected in area
Buzzer (When the vehicle is sta-
tionary): Sounds 3 times
Buzzer (When the vehicle is back-
ing up, when a pedestrian
approaches the rear of the vehicle):
RCD (Rear Camera Detec-
tion) function*
When the vehicle is backing up, the
rear camera detection function can
detect pedestrians in the detection
area behind the vehicle. If a pedes-
trian is detected, a buzzer will
sound and an icon will be displayed
on the Center Display to inform the
driver of the pedestrian.
Center Display
Turning the RCD function on/off
A
B
When a pedestrian is detected
A
A
B
B

2284-5. Using the driving support systems
Sounds repeatedly
Pedestrian detection icon: Blinks 3
times and then stays on
If the system determines that your
vehicle may collide with a pedes-
trian in area
Buzzer: Sounds repeatedly
Pedestrian detection icon: Blinks 3
times and then stays on
■The rear camera detection function is
operational when
●The power switch is in ON mode.
●RCD function is on.
●The shift lever is in R.
■Setting the buzzer volume
The buzzer volume can be adjusted on the
multi-information display. ( P.215)
The RCD buzzer sound is linked with the
RCTA buzzer.
■If “Rear Camera Detection Unavailable
Remove the Dirt of Rear Camera” is
displayed on the mu lti-information dis-
play
A rear camera lens may be dirty or covered
with snow or ice. In such cases, if it is
removed from the rear camera lens, the
system should return to normal. (It may be
necessary to drive the vehicle for some time
before the system returns to normal.)
■If “Rear Camera Detection Unavail-
able” is displayed on the multi-informa-
tion display
●If this message is di splayed after the 12-
volt battery has been disconnected and
reconnected, fully turn the steering wheel
to the left and then the right on level
ground.
●If this message is displayed only when the
shift lever is in R, the rear camera lens
may be dirty. Clean the rear camera lens.
■Situations in which the system may not
operate properly
●Some pedestrians, such as the following, may not be detected by the rear camera
detection function, preventing the func-
tion from operating properly:
• Pedestrians who are bending forward or squatting
• Pedestrians who are lying down
• Pedestrians who are running
• Pedestrians who suddenly enter the detection area
• People riding a bicycle, skateboard, or other light vehicle
• Pedestrians wearing oversized clothing
such as a rain coat, long skirt, etc., making
their silhouette obscure
• Pedestrians whose body is partially hid-
den by an object, such as a cart or
umbrella
• Pedestrians which are obscured by dark-
ness, such as at night
●In some situations, such as the following,
pedestrians may not be detected by the
rear camera detection function, prevent-
ing the function from operating properly:
• When backing up in inclement weather
(rain, snow, fog, etc.)
• When the rear camera is obscured (dirt,
snow, ice, etc. are at tached) or scratched
• When a very bright light, such as the sun, or the headlights of another vehicle,
shines directly into the rear camera
• When backing up in a place where the surrounding brightness changes sud-
denly, such as at the entrance or exit of a
garage or underground parking lot
• When backing up in a dim environment
such as during dusk or in an underground
parking lot
●Even though there are no pedestrians in
the detection area, some objects, such as
the following, may be detected, possibly
causing the rear camera detection func-
tion to operate.
• Three dimensional objects, such as a
pole, traffic cone, fence, or parked vehi-
cle
• Moving objects, such as a car or motor- cycle
• Objects moving toward your vehicle when backing up, such as flags or pud-
dles (or airborne matter, such as smoke,
steam, rain, or snow)
• Cobblestone or gravel roads, tram rails, road repairs, white lines, pedestrian
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