Lexus LS 500 2019 Owner's Manual page 185

1
(U.S.A.) or
Off
2 Rain-sensing wiper operation
The wipers will operate automatically when
the sensor detects falling rain. The system
automatically adjusts wiper timing in
accordance with rain volume and vehicle
speed.
3 (U.S.A.) or
Low speed wiper operation
4
(U.S.A.) or
High speed wiper operation
5
(U.S.A.) or
Temporary operation
When is selected, the sensor sen-
sitivity can be adjusted by turning the
switch ring.
6 Increases the sensitivity
7 Decreases the sensitivity
LS500_OM_(U)_1810
4-3. Operating the lights and wipers
8
(Canada)
tion
Pulling the lever operates the wipers and
washer.
(After operating several times, the wipers
operate once more time after a short delay
to prevent dripping. However, the dripping
prevention does not operate while the
vehicle is moving.)
Vehicles with headlight cleaners:
(Canada)
When the engine switch is in IGNITION
ON mode and the headlights are on, if the
lever is pulled, the headlight cleaners will
(Canada)
operate once. After this, the headlight
cleaners will operate every 5th time the
lever is pulled.
(Canada)
■ The windshield wiper and washer can be
operated when
The engine switch is in IGNITION ON
mode.
■ Effects of vehicle speed on wiper opera-
tion
Even when the wipers are not in AUTO
mode, vehicle speed affects the time until
the drip prevention wiper sweep occurs.
With low speed windshield wiper operation
selected, wiper operation will be switched
from low speed to intermittent wiper opera-
tion 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
■
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.
Washer/wiper dual opera-
185
4