Toyota PRIUS ALPHA 2012 Quick Reference Manual page 276

2-3. Operating the lights and windshield wipers
Rear window wiper and washer
Turning the end of the lever turns on the rear window wiper and
washer as follows:
Type A
262
∗
Intermittent window
wiper operation
Normal window wiper
operation
Washer/wiper
operation
Washer/wiper
operation
∗
: If equipped
dual
dual