Lexus RX450h Owners Book page 216

2-3. Operating the lights and windshield wipers
The windshield wipers and washer can be operated when
■
The "POWER" switch is in ON mode.
Effects of vehicle speed on wiper operation
■
Vehicle speed affects the following even when the wipers are not in AUTO mode:
Intermittent wiper interval
●
Wiper operation when the washer is being used (delay until drip prevention
●
wiper sweep occurs)
When low speed wiper operation is selected, wiper operation will be switched from
low speed to intermittent wiper operation only when the vehicle is stationary.
(However, when the sensor sensitivity is adjusted to the highest level, the mode can-
not be switched.)
Raindrop sensor (vehicles with rain-sensing windshield wipers)
■
If the wiper switch is turned to the
ON mode, the wipers will operate once to show that AUTO mode is activated.
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Washer/wiper dual operation
The wipers will automatically
operate a couple of times after
the washer squirts. (After oper-
ating several times, the wipers
operate one more time after a
short delay to prevent dripping.)
If the headlights are on, the
headlight cleaners will operate
once.
The raindrop sensor judges the amount of
raindrops.
An optical sensor is adopted. It may not oper-
ate properly when sunlight from the rising or
setting of the sun intermittently strikes the
windshield, or if bugs etc. are present on the
windshield.
position while the "POWER" switch is in