Lexus IS250 U Owner's Manual page 183

Wiper intervals can be adjusted when intermittent operation is selected.
Increases the intermittent windshield
5
wiper frequency
Decreases the intermittent wind-
6
shield wiper frequency
Washer/wiper dual operation
7
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.
IS350/250_U (OM53C50U)
4-3. Operating the lights and wipers
183
4