2008 Lexus GS 450h Owners Manual - Page 160

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. Sensor sensitivity (low) Sensor sensitivity (high) Rain-sensing wiper operation Low speed wiper operation High speed wiper operation Temporary operation Wash/wipe operation n The windshield wiper and washer can be operated when The "POWER" switch is in ON mode. n Dripping prevention wiper sweep After washing and wiping operation several times, the wipers operate one more time after a short delay to prevent dripping. However, the last sweep will not happen if the vehicle is traveling above 106 mph (170 km/h). n Effects of vehicle speed on wiper operation Vehicle speed affects the following even when the wipers are not "AUTO" mode. l Wiper operation when the washer is being used (delay until drip prevention wiper sweep occurs) With selected, wiper operation will be switched from low speed to intermittent wiper operation only when the vehicle is stationary. 162 GS_HV_U March 29, 2010 3:31 pm