2019 LEXUS RX450H Owners Manual

3294-5. Using the driving support systems
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Driving
RX450h_RX450hL_U
The areas that vehicles can be detected in are outlined below.
The buzzer can alert the driver of faster vehicles approaching from farther away.
Example:
■The RCTA function is operational when
The RCTA function operates when all of the following conditions are met:
●The RCTA function is on.
●The shift lever is in R.
●The vehicle speed is less than approximately 5 mph (8 km/h).
●The approaching vehicle speed is between approximately 5 mph (8 km/h) and 18 mph
(28 km/h).
RCTA function detection areas
Approaching vehicleSpeedApproximate
alert distance
Fast18 mph (28 km/h)65 ft. (20 m)
Slow5 mph (8 km/h)18 ft. (5.5 m)
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3304-5. Using the driving support systems
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■Conditions under which the RCTA fu nction 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 parkin g space next to your vehicle
●Guardrails, walls, signs, parked vehi cles 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 function may not function correctly
●The RCTA function may not detect vehicles correctly in the following situations:
• When the sensor is misaligned due to a stro ng impact to the sensor or its surround-
ing area
• When mud, snow, ice, a sticke r, etc. is covering the sensor or surrounding area on
the rear bumper
• When driving on a road surf ace that is wet with standing water during bad weather,
such as heavy rain, snow, or fog
• When multiple vehicles are approaching wi th only a small gap between each vehicle
• When a vehicle is approaching at high speed
• When towing a trailer (vehicles with towing package)
●Vehicles that the sensors cannot detect due to
obstructions
• When backing up on a slope with a sharp change in grade

3314-5. Using the driving support systems
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Driving
RX450h_RX450hL_U• Immediately after the RCTA function is turned on
• Immediately after the hybrid system is started with the RCTA function on
●Instances of the RCTA function unnecessari
ly detecting a vehicle and/or object may
increase in the following situations:
• When a vehicle passes by th e side of your vehicle
• When the distance between your vehicle and metal objects, such as a guardrail,
wall, sign, or parked vehicle, which may re flect electrical waves toward the rear of
the vehicle, is short
You can change the BSM function/RCTA function settings.
Press the “MENU” button on the Remote Touch, and then select on the
screen.
Select “Vehicle”, and then select “Blind Spot Monito r Settings” on the screen.
Select the desired setting. ( P. 745)
• When backing out of a shallow angle park-
ing spot
• When the sensors cannot detect a vehicle due to obstructions
• When the parking space faces a street and vehicles are being driven on the street
Setting up BSM function/RCTA function
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3324-5. Using the driving support systems
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Press “ ” or “ ” of the meter control
switches, select .
Press “ ” or “ ” of the meter control
switches, select “Parking Assist”.
When on, the indicator light comes on
to inform the driver that the system is
operational.
Intuitive parking assist
: If equipped
The distance from your vehicle to a ne arby wall or other stationary object
when parallel parking or maneuvering into a garage is measured by the sen-
sors and communicated via the displays and a buzzer. Always check the sur-
rounding area when using this system.
Types of sensors
Except F SPORT modelsF SPORT models
Front corner sensors
Front center sensors
Rear corner sensors
Rear center sensors
Turning the intuitive parking assist on/off
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3334-5. Using the driving support systems
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Driving
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When the sensors detect an obstacle, the following displays inform the driver of
the position and distance to the obstacle.
■Multi-information display
Front corner sensor operation
Front center sensor operation
Rear corner sensor operation
Rear center sensor operation
■Lexus Display Audio or navigation system (8-inch display) screen
Intuitive parking assist
When the vehicle is moving forward.
A graphic is automatically displayed
when an obstacle is detected. The
screen can be set so that the graphic
is not displayed. ( P. 338)
: Select to mute the buzzer
sounds.
Intuitive parking assist
Rear Cross Traffic Alert (if
equipped)
When the vehicle is moving back-
ward. A simplified image is displayed
on the upper part of the screen
when an obstacle is detected.
Display
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3344-5. Using the driving support systems
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■Navigation system (12.3 -inch display) screen
Intuitive parking assist
Rear Cross Traffic Alert (if
equipped)
A graphic is automatically displayed
on the side display when an obstacle
is detected. The screen can be set so
that the graphic is not displayed.
(  P. 338)
: Select to mute the buzzer
sounds. This function is available
when the vehicle is moving forward.
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3354-5. Using the driving support systems
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Driving
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■Distance display
Sensors that detect an obstacle will illuminate continuously or blink.
Sensor detection display, obstacle distance
Display*1
Insert displayApproximate distance to object
Lexus parking assist moni- tor
*4
Panoramic
view monitorFront and rear center sensorFront and rear corner sensor
(continuous)(blinking slowly)(blinking slowly) Front center sen-
sor:
3.3 ft. (100 cm)
to
2.0 ft. (60 cm)
Rear center sen-
sor:
4.9 ft. (150 cm)
to
2.0 ft. (60 cm)

(continuous)(blinking)(blinking)
2.0 ft. (60 cm) to
1.5 ft. (45 cm)
RX450hFront corner
sensor:
2.0 ft. (60 cm) to
1.5 ft. (45 cm)
Rear corner sen-
sor:
2.0 ft. (60 cm) to
1.5 ft. (45 cm)
RX450hLFront corner
sensor:
2.0 ft. (60 cm) to
1.5 ft. (45 cm)
2.1 ft. (66 cm) to
1.5 ft. (45 cm)
(continuous)(blinking
rapidly)(blinking rapidly) 1.5 ft. (45 cm) to
1.2 ft. (35 cm)
1.5 ft. (45 cm) to
1.2 ft. (35 cm)

3364-5. Using the driving support systems
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*1: The images may differ from th ose shown in the illustrations. (P. 333)
*2: Multi-information display
*3: Audio system screen
*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 on e or both come within the above dis-
tances, the beep will repeat a lo ng 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 displayApproximate distance to object
Lexus parking
assist moni-
tor
*4
Panoramic
view monitorFront and rear center sensorFront and rear corner sensor