2013 Toyota Sienna Owners Manual - Page 589

2-3. Operating the lights and wipers Increases the sensitivity Decreases the sensitivity Washer/wiper dual operation The wipers will automatically operate a couple of times after the washer squirts. Type B Off Rain-sensing wiper operation ("AUTO") Low speed operation High speed operation wiper wiper Temporary operation 288 SIENNA_OM_OM45472U_(U)