Lexus IS220d 2012 Manual page 205

Rain-sensing windshield wipers
When
when the sensor detects falling rain. The system automatically
adjusts wiper timing according to rain volume and vehicle
speed.
The wiper operation is selected as follows by turning the switch
ring. When
adjusted:
IS250/220d/200d_EE
2-3. Operating the lights and windshield wipers
is selected, the wipers will operate automatically
is selected, the sensor sensitivity can be also
Off
Rain-sensing wind-
shield wiper opera-
tion
Low speed wind-
shield wiper opera-
tion
High speed wind-
shield wiper opera-
tion
Temporary opera-
tion
Releasing the lever returns to
2
193