2011 Lexus IS 350 Owners Manual - Page 165

2-3. Operating the lights and windshield wipers n Raindrop sensor (vehicles with rain-sensing windshield wipers) l The sensor judges the amount of rain- drops. 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. n If no windshield washer fluid sprays Check that the washer nozzles are not blocked if there is washer fluid in the windshield washer fluid reservoir. n Customization that can be configured at Lexus dealer Settings (e.g. drip prevention function) can be changed. (Customizable features →P. 540) CAUTION n Caution regarding the use of windshield wipers in "AUTO" mode (vehicles with rain-sensing windshield wipers) The windshield wipers may operate unexpectedly if the sensor is touched or the windshield is subjected vibration in "AUTO" mode. Take care that your fingers etc. do not become caught in the windshield wipers. 172