Windshield Wipers And Washer - Lexus LS 600h L 2012 Owner's Manual

2-3. Operating the lights and windshield wipers

Windshield wipers and washer

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.
Type A
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Rain-sensing wiper operation
Low speed wiper operation
High speed wiper operation
Temporary operation