Lexus GS350 Owner's Manual page 199

Wiper intervals can be adjusted when intermittent operation is selected.
Increases the intermittent wind-
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shield wiper frequency
Decreases the intermittent wind-
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shield wiper frequency
Washer/wiper dual operation
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Wipers will automatically operate a
couple of times after the washer
squirts.
GS350_OM_OM30D41U_(U)
4-3. Operating the lights and wipers
199
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