Lexus GS 450h 2008 Owner's Manual page 166

2-3. Operating the lights and windshield wipers
CAUTION
Caution regarding the use of windshield wipers in "AUTO" mode
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The windshield wipers may operate unexpectedly if the sensor is touched or the
windshield is subject to vibration in "AUTO" mode. Take care that your fingers or
anything else do not become caught in the windshield wipers.
NOTICE
When the windshield is dry
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Do not use the wipers, as they may damage the windshield.
When there is no washer fluid spray from the nozzle
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Damage to the washer fluid pump may be caused if the lever is pulled toward you
and held continually.
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