Lexus IS250 2006 Owner's Manual page 141

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Rain-sensing windshield wipers (if equipped)
With AUTO selected, the wipers will operate automatically when
the sensor detects falling rain. The system automatically adjusts
wiper timing in accordance with rain volume and vehicle speed.
The windshield wiper and washer can be operated when
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The engine switch is in IG-ON mode.
Effects of vehicle speed on wiper operation
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Vehicle speed affects the following even when the wipers are not in AUTO mode.
Intermittent wiper interval (INT mode)
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Wiper operation when the washer is being used (delay until drip prevention
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wiper sweep occurs)
With LO selected, wiper operation will be switched from low speed to intermittent
wiper operation only when the vehicle is stationary.
(However, the mode cannot be switched when the adjustment dial for the intermit-
tent wiper interval is set to the lowest setting.)
2-3. Operating the lights and windshield wipers
Sensor sensitivity (low)
Sensor sensitivity (high)
Rain-sensing wiper operation
Low speed wiper operation
High speed wiper operation
Temporary operation
Wash/wipe operation
Wipers operate automatically.
(After operating several times,
the wipers operate one more
time after a short delay to pre-
vent dripping.)
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