2009 Toyota Sienna Owners Manual - Page 219

2 -3 . Ope ra t ing t he light s a nd w ipe rs Windshie ld w ipe rs a nd w a she r Wiper intervals can be adjusted for intermittent operation (when intermittent wiper operation is selected). Intermittent windshield wiper operation Low speed windshield wiper operation High speed windshield wiper operation Temporary operation 2 When driving Intermittent windshield wiper interval adjustment (increase) Intermittent windshield wiper interval adjustment (decrease) 191