2011 Toyota Yaris Owners Manual - Page 170
2011 Toyota Yaris Manual
Page 170 highlights
2-3. Operating the lights and wipers n Intermittent wiper with interval adjuster Wiper intervals can be adjusted for intermittent operation (when is selected). Intermittent windshield wiper operation Low speed windshield wiper operation High speed windshield wiper operation Temporary operation Increases the intermittent windshield wiper frequency Decreases the intermittent windshield wiper frequency 136