Lexus 2015 RX350 Owner's Manual page 220

2-3. Operating the lights and windshield wipers
Type B
220
Off
Rain-sensing
operation
Low
operation
High speed wiper
operation
Temporary operation
Sensor sensitivity (high)
Sensor sensitivity (low)
I n f o r ma t i o n P r o v i d e d b y :
wiper
speed wiper