Toyota 2012 Prius C Owner's Manual page 227

2-3. Operating the lights and wipers
Windshield wipers and washer
The wiper operation is selected by moving the lever as follows:
Type A
208
Intermittent
shield wiper opera-
tion
Low
shield wiper opera-
tion
High speed wind-
shield wiper opera-
tion
Temporary operation
Increases the intermittent
windshield wiper frequency*
Decreases the intermittent
windshield wiper frequency*
*: The interval adjuster may not
be equipped depending on
vehicle grade.
wind-
speed wind-