2011 Lexus IS F Owners Manual - Page 161

2-3. Operating the lights and windshield wipers 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 With the settings other than "AUTO" also, the time until drip prevention wiper sweep occurs is changed depending on vehicle speed. Low speed wiper operation selected, wiper operation will be switched from low speed to intermittent wiper operation only when the vehicle is stationary. n "AUTO" mode l The raindrop sensor judges the amount 2 When driving of raindrops. l The sensitivity of sensor can be adjusted by turning the knob. Increases the sensitivity Decreases the sensitivity l If the wiper switch is turned to the "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. l If the temperature of the raindrop sensor is 194°F (90°C) or higher, or -22°F (-30°C) or lower, automatic operation may not occur. In this case, operate the wipers in any mode other than "AUTO". n Outside rear view mirror defogger activation linked to windshield wiper opera- tion The outside rear view mirror defogger automatically turns on when you operate the windshield wipers. 163