Lexus GS460 Owner's Manual page 162

2-3. Operating the lights and windshield wipers
The windshield wiper and washer can be operated when
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The "ENGINE START STOP" switch is in IGNITION ON mode.
Dripping prevention wiper sweep
■
After washing and wiping operation several times, the wipers operate one more
time after a short delay to prevent dripping.
However, the last sweep will not happen if the vehicle is traveling above 106 mph
(170 km/h).
Effects of vehicle speed on wiper operation
■
Vehicle speed affects the following even when the wipers are not "AUTO" mode.
Intermittent wiper interval (
●
Wiper operation when the washer is being used (delay until drip prevention
●
wiper sweep occurs)
With selected, wiper operation will be switched from low speed to intermit-
tent wiper operation only when the vehicle is stationary.
Rain drop sensor (vehicles equipped with rain-sensing windshield wipers)
■
If the wiper switch is turned to the "AUTO" position while the "ENGINE START
●
STOP" switch is in IGNITION ON mode, the wipers will operate once to show
that "AUTO" mode is activated.
If the temperature of the raindrop sensor is 167°F (75°C) or higher, or 14°F
●
(-10°C) or lower, automatic operation may not occur. In this case, operate the
wipers in any mode other than "AUTO".
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GS_G_U (OM30C11U)
May 21, 2010 1:06 pm
mode)
The raindrop sensor judges the amount of
●
raindrops.
An optical sensor is adopted. It may not
operate properly when sunlight from the
rising or setting of the sun intermittently
strikes the windshield, or if bugs etc. are
present on the windshield.