2017 LEXUS RC300H sensor

3214-5. Using the driving support systems
4
Driving
RC300h_EE(OM24740E)
■Outside rear view mirror indicator visibility
In strong sunlight, the outside rear view mirror indicator may be difficult to see.
■Hearing the RCTA buzzer
The RCTA buzzer may be difficult to hear ov er loud noises, such as if the audio system
volume is high.
■When there is a malfunction in the Blind Spot Monitor
If a system malfunction is de tected due to any of the following, a warning message will be
displayed: ( P. 548, 549)
●A sensor is malfunctioning
●A sensor is dirty or covered with snow or a sticker
●The outside temperature is extremely high or low
●Sensor voltage is abnormal
●A sensor is misaligned

3244-5. Using the driving support systems
RC300h_EE(OM24740E)
WARNING
■Handling the radar sensor
Blind Spot Monitor sensors are installed be hind the left and right sides of the rear bumper respectively. Observe the following to ensure the Blind Spot Monitor can
function correctly.
●Do not subject a sensor or its surrounding area on the rear bumper to a strong impact. If a sensor is moved even slightly off po sition, the system may malfunction and vehi-
cles may not be detected correctly. In the following situations, have your ve hicle inspected by any authorized Lexus dealer or repairer, or another duly qualified and equipped professional.
• A sensor or its surrounding area is subject to a strong impact. • If the surrounding area of a sensor is scratched or dented, or part of them hasbecome disconnected.
●Do not disassemble the sensor.
●Do not attach stickers to the sensor or surrounding area on the rear bumper.
●Do not modify the sensor or surrounding area on the rear bumper.
●Do not paint the rear bumper any color other than an official Lexus color.
●Keep the sensors and the surrounding areas
on the rear bumper clean at all times. If a sensor or its surrounding area on the rearbumper is dirty or covered with snow, the
Blind Spot Monitor may not operate and a warning message ( P. 548, 549) will be dis- played. In this situation, clear off the dirt or
snow and drive the vehicle with the operation conditions of the BSM function ( P. 327) satisfied for approximately 10 minutes. If the
warning message does not disappear, have the vehicle inspected by any authorizedLexus dealer or repairer, or another duly
qualified and equipped professional.

3254-5. Using the driving support systems
4
Driving
RC300h_EE(OM24740E)
The BSM function uses radar sensors to detect the following vehicles traveling in
adjacent lanes and advises the driver of the presence of such vehicles via the
indicators on the outside rear view mirrors.
Vehicles that are traveling in areas that are not visible using the outside rear
view mirrors (the blind spots)
Vehicles that are approaching rapidly from behind in areas that are not visible
using the outside rear view mirrors (the blind spots)
BSM function
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3284-5. Using the driving support systems
RC300h_EE(OM24740E)
■Conditions under which the BSM function may not function correctly
●The BSM 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 surround-
ing area • When mud, snow, ice, a sticker, etc. is covering the sensor or surrounding area onthe 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 wi th only a small gap between each vehicle
• When the distance between your vehicle and a following vehicle is short • When there is a significant difference in speed between your vehicle and the vehiclethat enters the detection area
• When the difference in speed between your vehicle and another vehicle is changing • When a vehicle enters a detection area traveling at about the same speed as yourvehicle
• As your vehicle starts from a stop, a vehicle remains in the detection area • When driving up and down consecutive steep inclines, such as hills, dips in the road, etc.
• When driving on roads with sharp bends, consecutive curves, or uneven surfaces • When vehicle lanes are wide, or when driving on the edge of a lane, and the vehiclein an adjacent lane is far away from your vehicle
• When a bicycle carrier or other accessory is installed to the rear of the vehicle • When there is a significant difference in height between your vehicle and the vehiclethat enters the detection area
• Immediately after the BSM main switch is turned on
●Instances of the BSM function unnecessarily detecting a vehicle and/or object may
increase in the following situations:
• When the sensor is misaligned due to a strong impact to the sensor or its surround-
ing area • When the distance between your vehicle and a guardrail, wall, etc. that enters thedetection area is short
• When driving up and down consecutive steep inclines, such as hills, dips in the road, etc.• When vehicle lanes are narrow, or when driving on the edge of a lane, and a vehicle
traveling in a lane other than the adjacent lanes enters the detection area • When driving on roads with sharp bends, consecutive curves, or uneven surfaces• When the tires are slipping or spinning
• When the distance between your vehicle and a following vehicle is short • When a bicycle carrier or other accessory is installed to the rear of the vehicle

3294-5. Using the driving support systems
4
Driving
RC300h_EE(OM24740E)
The RCTA function uses 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 function
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 supplementary fu nction which alerts the driver that a vehi- cle is approaching from the right or left at th e rear of the vehicle. As the RCTA function may not function correctly under certain conditions, the driver’s own visual confirma-
tion of safety is necessary. Over reliance on this function may lead to an accident resulting death or serious injury.
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3314-5. Using the driving support systems
4
Driving
RC300h_EE(OM24740E)
■Conditions under which the RCTA function will not detect a vehicle
The RCTA function is not designed to dete ct the following types of vehicles and/or objects:
●Vehicles approaching from directly behind
●Vehicles backing up in a parking 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.
●Vehicles that the sensors cannot detect due to obstructions

3324-5. Using the driving support systems
RC300h_EE(OM24740E)
■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 strong impact to the sensor or its surround- ing 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 wi th only a small gap between each vehicle
• When a vehicle is approaching at high speed
• Immediately after the BSM main switch is turned on
• Immediately after the hybrid system is started with the BSM main switch on
• When backing up on a slope with a sharp
change in grade
• When backing out of a shallow angle park- ing spot
• When the sensors cannot detect a vehicle due to obstructions

4346-1. Using the air conditioning system
RC300h_EE(OM24740E)
■Adjusting the temperature setting
To adjust the temperature setting,
touch and slide your finger up or
down on the sensor.
The temperature setting can also be adjusted by touching on the sensor.
When the temperature setting is changed, a buzzer sounds.
■Fan speed setting
Press to increase the fan speed.
Press to decrease the fan speed.
■Change the airflow mode
To change the airflow, press .
The air outlets used are switched
each time the button is pressed.
Air flows to the upper body.
Air flows to the upper body and
feet.
Air flows to the feet.
Air flows to the feet and the wind-
shield defogger operates.
■S-FLOW mode
When there are no passengers in the rear seats, airflow can be directed to the
front seats only to reduce the air conditioning effect on the rear seats.
However, depending on both the temperat ure inside and outside the vehicle, air- flow may be directed to the rear seats even though S-FLOW mode is on to main- tain comfort inside the vehicle.
Press .
The indicator comes on when S-FLOW mode is on.
Press again to resume airflow to the rear seats.
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