To Prevent The Ics System From Malfunctioning; To Prevent A Radar Sensor From Malfunctioning; To Prevent Unnecessary Operation Of The Intelligent Clearance Sonar System - Lexus RX 450H Owner's Manual

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4-5. Using the driving support systems
NOTICE
To prevent the system from malfunctioning
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If the area around a sensor is subjected to an impact, the system may not operate
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properly due to the sensor being misaligned. Have the vehicle inspected by your
Lexus dealer.
When using a high pressure washer to wash the vehicle, do not spray the sensors
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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
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as doing so may cause a sensor to malfunction.

To prevent a radar sensor from malfunctioning

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If the area around a radar sensor is subjected to an impact, the system may not oper-
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ate properly due to a sensor malfunction. Have the vehicle inspected by your Lexus
dealer.
Observe the radar sensor handling precautions. (→P. 323)
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To prevent unnecessary operation of the Intelligent Clearance Sonar system

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In the following situations, disable the Intelligent Clearance Sonar system as the system
may operate even though there is no possibility of a collision.
When inspecting the vehicle using a chassis roller, chassis dynamo or free roller
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When loading the vehicle onto a boat, truck or other transport vessel
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If the suspension has been modified or tires of a size other than specified are installed
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If the front of the vehicle is raised or lowered due to the carried load
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If towing eyelets are installed
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