Lexus 2008 IS250 Owner's Manual page 150

2-3. Operating the lights and windshield wipers
NOTICE
When the windshield is dry
n
Do not use the wipers, as they may damage the windshield.
When there is no washer fluid spray from the nozzle
n
Damage to the washer fluid pump may be caused if the lever is pulled toward you
and held continually.
When using an automatic car wash
n
Set the wiper switch to "OFF".
If the wiper switch is in "AUTO", the wipers may operate and the wiper blades may
be damaged.
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