Toyota Sienna2013 Owner's Manual page 264

2-3. Operating the lights and wipers
Type B
288
SIENNA_OM_OM45472U_(U)
Increases the sensitivity
Decreases the sensitivity
Washer/wiper dual opera-
tion
The wipers will automatically
operate a couple of times after
the washer squirts.
Off
Rain-sensing wiper
operation ("AUTO")
Low speed
operation
High speed wiper
operation
Temporary operation
wiper