Toyota 2009 Avalon Owner's Manual page 199

NOTICE
n To ensure the laser radar sensor functions correctly
Do not do the following to the sensor or grille cover as doing so may cause
the sensor not to function correctly and could result in an accident.
Stick or attach anything to them
l
l Leave them dirty
Disassemble or subject them to strong shocks
l
Modify or paint them
l
Replace them with non-genuine parts
l
Handling the laser radar sensor
n
Observe the following to ensure the cruise control system can function effec-
tively.
l Keep the sensor clean at all times.
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.
l
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.
l Do not disassemble the sensor.
Do not attach accessories or stickers to the sensor, surrounding area.
l
Do not modify or paint the sensor.
l
2-4. Using other driving systems
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