2005 Lexus ES 330 Owners Manual - Page 58

SWITCHES Rain−sensing windshield wipers You may adjust the automatic wiper control sensitivity by twisting the automatic control adjuster in the "−" direction, which requires more raindrop volume to start the wiper, or in the "+" direction, which requires less raindrop volume to start the wiper. " 1 Automatic control adjuster 2 Washer on To turn the wipers on, move the lever down until you reach the desired speed setting. The ignition switch must be in the "ON" position. There are 3 settings: "AUTO" position: Automatic operation "LO" position: Low speed operation "HI" position: High speed operation Automatic operation The wiper speed is determined by the amount of raindrops and sunlight detected by the automatic wiper control sensor. The sensor is on the inside of the windshield as shown above. Even if the wiper lever is in the "AUTO" position, the system will switch to intermittent operations in the following conditions: D When the windshield gets extremely cold (at less than -10_C [14_F]) D When the system malfunctions However, when the windshield gets extremely hot (at more than 90_C [194_F]), the wipers do not operate even if the wiper lever is in the "AUTO" position. 40