2011 Lexus IS 350 Owners Manual - Page 164

2-3. Operating the lights and windshield wipers Sensor sensitivity (high) Sensor sensitivity (low) 2 Washer/wiper operation When driving Wipers operate automatically. (After operating several times, the wipers operate one more time after a short delay to prevent dripping.) n The windshield wipers and washer can be operated when The "ENGINE START STOP" switch is in IGNITION ON mode. n Effects of vehicle speed on wiper operation Vehicle speed affects the following even when the wipers are not in "AUTO" mode. l Intermittent wiper interval l Wiper operation when the washer is being used (delay until drip prevention wiper sweep occurs) Low speed wiper operation 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 intermittent wiper interval is set to the lowest setting.) 171