Toyota Avalon 2008 Quick Reference Manual page 188

2-4. Using other driving systems
NOTICE
n Handling the laser radar sensor
Observe the following to ensure the cruise control system can function effec-
tively.
Keep the sensor clean at all times.
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Clean the sensor with a soft cloth so you do not mark or damage them.
Do not subject the sensor or surrounding area to a strong impact.
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If the sensor moves even slightly off position, the system may malfunction.
If the sensor or surrounding area is subject to a strong impact, always
have the area inspected and adjusted by a Toyota dealer.
Do not disassemble the sensor.
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Do not attach accessories or stickers to the sensor, surrounding area.
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