2009 Lexus GS 450h Owners Manual - Page 237

2-3. Operating the lights and windshield wipers Sensor sensitivity (high) Sensor sensitivity (low) 2 Washer/wiper dual operation When driving Wipers will automatically operate a couple of times after the washer squirts. 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 Intermittent wiper interval ( 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. 175 GS_HV_U (OM30B44U) March 8, 2010 10:03 am