Lexus IS250 U Owner's Manual page 185

When AUTO mode is selected, the sensor sensitivity can be adjusted by turning
the switch ring.
Increases the sensitivity
6
Decreases the sensitivity
7
Washer/wiper dual operation
8
The wipers will automatically operate a
couple of times after the washer squirts.
Vehicles with headlight cleaners: When
the headlights are on and the lever is
pulled and held, the headlight cleaners
will operate once. After this, the head-
light cleaners will operate every 5th
time the lever is pulled.
Switching between the intermittent windshield wipers and rain-sensing
windshield wipers (vehicles with rain-sensing windshield wipers)
The wipers can be used as intermittent windshield wipers, which operate regard-
less of vehicle speed or amount of raindrops. The intermittent windshield wiper
operation can be switched when the vehicle is stopped and the wiper is off. The
wiper operation cannot be switched during AUTO mode or while the intermit-
tent windshield wipers are operating.
Press and hold
mode indicator stops flashing.
If is pressed and held until the
AUTO mode indicator stops flashing
again, it will return to its previous state.
The wiper can be switched when the
vehicle is stopped and the wipers are off.
IS350/250_U (OM53C50U)
4-3. Operating the lights and wipers
until the AUTO
185
4