Toyota PRIUS ALPHA 2012 Quick Reference Manual page 277

Type B
■
The rear window wiper and washer can be operated when
The "POWER" switch is in ON mode.
■
If no washer fluid sprays
Check that the washer nozzles are not blocked if there is washer fluid in the
washer fluid reservoir.
2-3. Operating the lights and windshield wipers
Intermittent
wiper operation
Normal window wiper
operation
Washer/wiper
operation
Washer/wiper
operation
window
dual
2
dual
263