Lexus IS300H 2017 Manual page 339

WARNING
Handling the radar sensor
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Blind Spot Monitor sensors are installed behind the left and right sides of the rear
bumper respectively. Observe the following to ensure the Blind Spot Monitor can
function correctly.
Keep the sensors and the surrounding areas
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on the rear bumper clean at all times.
If a sensor or its surrounding area on the rear
bumper is dirty or covered with snow, the
Blind Spot Monitor may not operate and a
warning message (P. 581) 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. 341)
satisfied for approximately 10 minutes. If the
warning message does not disappear, have
the vehicle inspected by any authorized
Lexus retailer or Lexus authorized repairer, or
any reliable repairer.
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 position, the system may malfunction and vehi-
cles may not be detected correctly.
In the following situations, have your vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable repairer.
• 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 has
become disconnected.
Do not disassemble the sensor.
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Do not attach stickers to the sensor or surrounding area on the rear bumper.
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Do not modify the sensor or surrounding area on the rear bumper.
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Do not paint the rear bumper any color other than an official Lexus color.
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4-5. Using the driving support systems
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