Toyota Avalon Hybrid 2018 Owner's Manual page 197

NOTICE
■
When the windshield is dry
Do not use the wipers, as they may damage the windshield.
■
When there is no washer fluid spray from the nozzle
Damage to the washer fluid pump may be caused if the lever is pulled
toward you and held continually.
■
When a nozzle becomes blocked
In this case, contact your Toyota dealer.
Do not try to clear it with a pin or other object. The nozzle will be damaged.
4-3. Operating the lights and wipers
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