2009 Lexus LX 570 Owners Manual - Page 192
2009 Lexus LX 570 Manual
Page 192 highlights
2-3. Operating the lights and wipers n The windshield wiper 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 wiper operation when the washer is being used (delay until drip prevention wiper sweep occurs) even when the wipers are not in "AUTO" mode. With "LO" 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 band for the sensor sensitivity is set to the highest position.) n "AUTO" mode The raindrop sensor judges the amount of raindrops. The sensitivity of sensor can be adjusted by twisting the band. Sensor sensitivity (low) Sensor sensitivity (high) If the wiper switch is turned to "AUTO" position while the "ENGINE START STOP" switch is in IGNITION ON mode, the wiper will operate once to show that "AUTO" mode is activated. 194