Toyota 2012 Yaris Hatchback Owner's Manual page 136

Vehicles with intermittent rear wiper (Type A)
2-3. Operating the lights and wipers
Intermittent
wiper operation
Normal window wiper
operation
Washer/wiper
operation
Washer/wiper
operation
The wiper will automatically
operate a couple of time after
the wiper squirts.
window
dual
2
dual
155