LEXUS RX 450HL (2019 year). Instruction — part 21
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1
: The images may differ from those shown in the illustrations. (
*
2
: Multi-information display
*
3
: Audio system screen
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4
: Lexus Display Audio or navigation system (8-inch display) screen
■
Buzzer operation and distance to an object
A buzzer sounds when the sensors are operating.
●
The buzzer sounds faster as the vehicle approaches an object.
When the vehicle comes within the following distance of the object, the
buzzer sounds continuously: Approximately 1.2 ft. (35 cm).
●
When 2 or more objects are detected simultaneously, the buzzer system
responds to the nearest object. If one or both come within the above dis-
tances, the beep will repeat a long tone, followed by fast beeps.
(blinking
*
2
or
continuous
*
3
)
(continuous)
(continuous)
Less than
1.2 ft. (35 cm)
Less than
1.2 ft. (35 cm)
Display
*
1
Insert display
Approximate distance to object
Lexus parking
assist moni-
tor
*
4
Panoramic
view monitor
Front and rear
center sensor
Front and rear
corner sensor
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Approximately 3.3 ft. (100 cm)
Approximately 4.9 ft. (150 cm)
Approximately 2.0 ft. (60 cm)
RX450h:
Approximately 2.0 ft. (60 cm)
RX450hL:
Approximately 2.1 ft. (66 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.
Detection range of the sensors
1
2
3
4
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You can change the buzzer sounds volume and the screen operating conditions
when the power switch is in ON mode.
Press the “MENU” button on the Lexus Display Audio controller/Remote
Touch, and then select
on the screen.
Select “Vehicle”, and then select “LEXUS Park Assist” on the screen.
Select the desired item.
The buzzer sounds volume can be adjusted.
On or off can be selected for intuitive parking assist display.
Both the front or rear center sensors display and tone indication can be set.
■
The intuitive parking assist can be operated when
●
Front corner sensors:
• The power switch is in ON mode.
• The shift lever is in other than P.
• The vehicle speed is less than about 6 mph (10 km/h).
(At any speed when the shift lever is in R)
●
Front center sensors:
• The power switch is in ON mode.
• The shift lever is in other than P or R.
• The vehicle speed is less than about 6 mph (10 km/h).
●
Rear corner and rear center sensors:
• The power switch is in ON mode.
• The shift lever is in R.
■
Intuitive parking assist display
●
Vehicles with a Lexus Display Audio system/navigation system (8-inch display): When
an object is detected while the Lexus parking assist monitor or panoramic view monitor
is in use, the warning indicator will appear in the upper part of the screen even if the dis-
play setting has been set to off.
Setting up intuitive parking assist
1
2
3
Lexus Display Audio screen
Navigation system screen
1
2
3
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Vehicles with a navigation system (12.3-inch display): If the intuitive parking assist dis-
play is set to on, detected objects will also be displayed on the panoramic view monitor.
For details, refer to “NAVIGATION SYSTEM OWNER’S MANUAL”.
■
Sensor detection information
●
The sensor’s detection areas are limited to the areas around the vehicle’s bumper.
●
Certain vehicle conditions and the surrounding environment may affect the ability of a
sensor to correctly detect an object. Particular instances where this may occur are
listed below.
• There is dirt, snow or ice on the sensor. (Wiping the sensors will resolve this prob-
lem.)
• The sensor is frozen. (Thawing the area will resolve this problem.)
In especially cold weather, if a sensor is frozen the screen may show an abnormal
display, or obstacles may not be detected.
• The sensor is covered in any way.
• The vehicle is leaning considerably to one side.
• When a sensor or the area around a sensor 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.
• The sensor is coated with a sheet of spray or heavy rain.
• The bumper or sensor receives a strong impact.
• If the vehicle is significantly tilted.
• The vehicle is approaching a tall or curved curb.
• In harsh sunlight or intense cold weather.
• The area directly under the bumpers is not detected.
• If objects draw too close to the sensor.
• People may not be detected if they are wearing certain types of clothing.
In addition to the examples above, there are instances in which, because of their shape,
signs and other objects may be judged by a sensor to be closer than they are.
●
The shape of the object may prevent a 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 obstacles
• Tall obstacles with upper sections projecting outwards in the direction of your vehi-
cle
●
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 impossible.
• Objects may not be detected if they are too close to the sensor.
• There will be a short delay between object detection and display. Even at slow
speeds, there is a possibility that the object will come within the sensor’s detection
areas before the display is shown and the buzzer sounds.
• Thin posts or objects lower than the sensor may not be detected when approached,
even if they have been detected once.
• It might be difficult to hear beeps due to the volume of audio system or air flow noise
of the air conditioning system.
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If “Clean Parking Assist Sensor” is displayed on the multi-information display
A sensor may be dirty or covered with snow or ice. In such cases, if it is removed from the
sensor, the system should return to normal.
Also, due to the sensor being frozen at low temperatures, a malfunction display may
appear or an object may not be detected. If the sensor thaws out, the system should
return to normal.
■
If “Parking Assist Malfunction” is displayed on the multi-information display
Depending on the malfunction of the sensor, the device may not be working normally.
Have the vehicle inspected by your Lexus dealer.
■
Certification
For vehicles sold in Canada
This ISM device complies with Canadian ICES-001.
Cet appareil ISM est conforme a la norme NMB-001 du Canada.
■
Customization
Some functions can be customized. (
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 possibly
cause an accident.
●
Do not use the sensor at speeds in excess of 6 mph (10 km/h).
●
The sensors’ detection areas and reaction times are limited. When moving forward or
reversing, check the areas surrounding the vehicle (especially the sides of the vehi-
cle) for safety, and drive slowly, using the brake to control the vehicle’s speed.
●
Do not install accessories within the sensors’ detection areas.
●
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 eyelets are 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 sensor mal-
function, etc. Have the vehicle checked by your Lexus dealer.
●
The intuitive parking assist operation display flashes, and a buzzer sounds when no
obstacles are detected.
●
If the area around a sensor collides with something, or is subjected to strong impact.
●
If the bumper collides with something.
●
If the display shows continuously without beeping, except when the buzzer mute
switch has been turned on.
●
If a display error occurs, first check the sensor.
If the error occurs even if there is no ice, snow or mud on the sensor, it is likely that the
sensor is malfunctioning.
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WARNING
■
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 malfunctioning.
●
When using a high pressure washer to wash the vehicle, do not spray the sensors
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 sensor to malfunction.
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The system will operate in situations such as the following if a stationary object is
detected in the traveling direction of the vehicle.
◆
When traveling at a low speed and the brake pedal is not depressed, or is
depressed late
Intelligent Clearance Sonar (ICS)
: If equipped
If a collision with a wall or other stationary object may occur due to the vehicle
suddenly moving forward due to an accidental 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 sensors sta-
tionary detect objects, such as a wall, in the traveling direction of the vehicle,
and the system operates to lessen an impact with a stationary object and
reduce the resulting collision damage.
Examples of system operation
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◆
When the accelerator pedal is depressed excessively
◆
When the vehicle moves in the unintended direction due to the wrong shift
position being selected
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If a rear radar sensor detects a vehicle approaching from the right or left at the
rear of the vehicle and the system determines that the possibility of a collision is
high, this function will perform brake control to reduce the likelihood of an
impact with the approaching vehicle.
■
Examples of system operation
This function will operate in situations such as the following if a vehicle is
detected in the traveling direction of the vehicle.
◆
When reversing, a vehicle is approaching and the brake pedal is not
depressed, or is depressed late
Rear Cross Traffic Auto Brake function
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Select
on the multi-information
display.
Press
or
of the meter con-
trol switch and select “ICS”.
Press
of the meter control
switch.
Select the “Yes” and push
.
When the Intelligent Clearance Sonar is disabled, the ICS OFF indicator illu-
minates.
To re-enable the system when it was disabled, select
on the multi-informa-
tion display, select “ICS” and then “On”. If disabled using this method, the sys-
tem will not be re-enabled by turning the power switch off and then to ON
mode.
Types of sensors
Except F SPORT models
F SPORT models
Front corner sensors
Front center sensors
Rear corner sensors
Rear center sensors
Turning the Intelligent Clearance Sonar system on/off
1
2
3
4
1
2
3
4
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If the hybrid system 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.
Depending on the situation, hybrid system output restriction control will operate to
either limit acceleration or restrict output as much as possible.
Displays and buzzers for hybrid system output restriction control and
brake control
Control
Situation
Multi-information
display
ICS OFF
Indicator
Buzzer
Hybrid system out-
put restriction con-
trol is operating
(acceleration
restriction)
Acceleration
greater than a cer-
tain amount is not
possible.
“Object Detected
Acceleration
Reduced”
Not illu-
minated
Short
beep
Hybrid system out-
put restriction con-
trol is operating
(output restricted as
much as possible)
Stronger-than-nor-
mal brake operation
is necessary.
“BRAKE!”
Brake control is
operating
Emergency braking
is necessary.
Vehicle stopped by
system operation
The vehicle has been
stopped by brake
control operation.
“Switch to Brake”
Illumi-
nated
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If the Intelligent Clearance Sonar function detects that a collision with a wall or
other stationary object is possible, the hybrid system output will be restricted to
restrain any increase in the vehicle speed. (Hybrid system output restriction con-
trol: See A below.)
Additionally, if the accelerator pedal continues to be depressed, the brakes will
be applied automatically to reduce the vehicle speed. (Brake control: See B
below.)
Intelligent Clearance Sonar function
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On
Off
Time
Down
On
Off
Time
On
Off
Time
Down
Up
Accelerator pedal
Brake pedal
Hybrid system output
Braking force
Start of control
High possibility of a collision
Extremely high possibility of a colli-
sion
1
2
3
4
5
6
7
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The Intelligent Clearance Sonar function will operate when
The function will operate when the ICS OFF indicator is not illuminated or flashing (
345, 353) and all of the following conditions are met:
●
Hybrid system output restriction control
• The Intelligent Clearance Sonar system is enabled.
• The vehicle speed is 10 mph (15 km/h) or less.
• There is a stationary object in the traveling direction of the vehicle and 6 to 13 ft. (2
to 4 m) away.
• The system determines that a stronger-than-normal brake operation is necessary to
avoid a collision.
●
Brake control
• Hybrid system output restriction control is operating.
• The system determines that an emergency brake operation is necessary to avoid a
collision.
■
The Intelligent Clearance Sonar function will stop operating when
The function will stop operating if any of the following conditions are met:
●
Hybrid system output restriction control
• The Intelligent Clearance Sonar system is disabled.
• The collision becomes avoidable with normal brake operation.
• The stationary object is no longer 6 to 13 ft. (2 to 4 m) away in the traveling direction
of the vehicle.
●
Brake control
• The Intelligent Clearance Sonar system is disabled.
• Approximately 2 seconds elapse after the vehicle is stopped by brake control.
• The brake pedal is depressed after the vehicle is stopped by brake control.
• The stationary object is no longer 6 to 13 ft. (2 to 4 m) away in the traveling direction
of the vehicle.
■
Detection range of the Intelligent Clearance Sonar function
The detection range of the Intelligent Clearance Sonar function differs from the detec-
tion range of the intuitive parking assist. (
Therefore, even if the intuitive parking assist detects an object and provides a warning,
the Intelligent Clearance Sonar function may not start operating.
■
If the Intelligent Clearance Sonar function has operated
If the vehicle is stopped due to operation of the Intelligent Clearance Sonar function, the
Intelligent Clearance Sonar system will be disabled and the ICS OFF indicator will illumi-
nate.
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Re-enabling the Intelligent Clearance Sonar system
To re-enable the Intelligent Clearance Sonar system when it is disabled due to operation
of the Intelligent Clearance Sonar function, either enable the system again (
P. 345), or
turn the power switch off and then back to ON mode.
Additionally, 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 auto-
matically.
■
Objects that the Intelligent Clearance Sonar function may not detect
The sensors may not be able to detect certain objects, such as the following.
●
Cotton cloth, snow, and other materials that are poor reflectors of ultrasonic waves.
(People may also not be detected depending on the type of clothing they are wearing.)
●
Objects which are not perpendicular to the ground, are not perpendicular to the travel-
ing direction of the vehicle, are uneven or are waving.
●
Low objects
●
Thin objects such as wires, fences, ropes and signposts
●
Objects that are extremely close to the bumper
■
Intuitive parking assist buzzer
Regardless of whether the intuitive parking assist system is enabled or not (
P. 332), if
the Intelligent Clearance Sonar system is enabled (
P. 345), the front or rear sensors
detect an object and brake control is performed, the intuitive parking assist buzzer will
sound to notify the driver of the approximate distance to the object.
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Situations in which the Intelligent Clearance Sonar function may operate even if there
is no possibility of a collision
In some situations such as the following, the Intelligent Clearance Sonar function may
operate even though there is no possibility of a collision.
●
Vehicle surroundings
• 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 driving on a narrow path surrounded by a structure, such as in a tunnel or on
an iron bridge
• When parallel parking
• 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 on a steep slope
• If a sensor is hit by a large amount of water, such as when driving on a flooded road
●
Weather
• If a sensor is covered with ice, snow, dirt, etc. (when cleared, the system will return to
normal)
• If heavy rain or water strikes a sensor
• When driving in inclement weather such as fog, snow or a sandstorm
●
Other ultrasonic waves sources
• When vehicle horns, vehicle detectors, motorcycle engines, air brakes of large vehi-
cles, the clearance sonar of other vehicles or other devices which produce ultra-
sonic waves are near the vehicle
• If a sticker or an electronic component, such as a backlit license plate (especially flu-
orescent type), fog lights, a fender pole or wireless antenna is installed near a sensor
●
Changes in the vehicle posture
• If the vehicle is significantly tilted
• If the front of the vehicle is raised or lowered due to the carried load
• If the orientation of a sensor has been changed due to a collision or other impact
• When driving on a narrow road
• When driving on a gravel road or in an
area with tall grass
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