Lexus OM53A24U Owner's Manual page 179

Rain-sensing windshield wipers
When is selected, the wipers will operate automatically when
the sensor detects falling rain. The system automatically adjusts wiper
timing in according to rain volume and vehicle speed.
When is selected, the sensor sensitivity can be adjusted as fol-
lows by turning the switch ring:
2-3. Operating the lights and windshield wipers
Wash/wipe operation
Wipers operate automatically.
(After operating several times,
the wipers operate one more
time after a short delay to pre-
vent dripping.)
Off
Rain-sensing
shield wiper operation
Low speed windshield
wiper operation
High speed wind-
shield wiper operation
Temporary operation
2
wind-
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