2010 Toyota 4Runner Owners Manual - Page 229

2-3. Operating the lights and wipers Windshield wipers and washer When intermittent windshield wiper operation is selected, the wiper interval can be adjusted. The wiper operation is selected by moving the lever as follows. Intermittent windshield wiper operation Low speed windshield wiper operation High speed windshield wiper operation Temporary operation 2 When driving CTH23AS027 Increases the intermittent windshield wiper frequency Decreases the intermittent windshield wiper frequency CTH23AS028 205