Page 217 of 886
2172-3. Operating the lights and windshield wipers
2
When driving Windshield wipers and washer ■ Intermittent windshield wipers with interval adjuster
The wiper operation is selected by moving the lever as follows.
When intermittent windshield wiper operation is selected, the wiper
intervals can be also adjusted.
Off
Intermittent wind-
shield wiper operation
Low speed windshield
wiper operation
High speed wind-
shield wiper operation
Temporary operation
Page 218 of 886
2182-3. Operating the lights and windshield wipers
Increases the intermittent
windshield wiper frequency
Decreases the intermittent
windshield wiper frequency
Washer/wiper dual operation The wipers will automatically
operate a couple of times after
the washer squirts.
If the headlights are on, the
headlight cleaners will operate
once.
Page 219 of 886
2192-3. Operating the light s and windshield wipers
2
When driving ■ Rain-sensing windshield wipers
When is selected, 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.
When is selected, the sensor sensitivity can be adjusted as
follows by turning the switch ring:
Type A
Off
Rain-sensing wiper
operation
Low speed wiper
operation
High speed wiper
operation
Temporary operation
Page 220 of 886
2202-3. Operating the lights and windshield wipers
Type B
Off
Rain-sensing wiper
operation
Low speed wiper
operation
High speed wiper
operation
Temporary operation
Sensor sensitivity (high)
Sensor sensitivity (low)
Page 221 of 886
2212-3. Operating the light s and windshield wipers
2
When driving ■
The windshield wipers and wa sher can be operated when
The “ENGINE START STOP” switch is in IGNITION 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 be ing 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 operatio n only when the vehicle is stationary.
(However, when the sensor sensitivity is adjusted to the highest level, the mode can-
not be switched.) 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.
Page 222 of 886

2222-3. Operating the lights and windshield wipers
■
Raindrop sensor (vehicles with rain-sensing windshield wipers)
●
If the wiper switch is turned to the position while the “ENGINE START
STOP” switch is in IGNITION ON mode, the wipers will operate once to show
that AUTO mode is activated.●
When the sensor sensitivity ring is turn ed toward high while in AUTO mode, the
wipers will operate once to indicate that the sensor sensitivity is enhanced.●
If the temperature of the raindrop sensor is 194 F (90 C) or higher, or 5 F
(-15 C) or lower, automatic operation may not occur.
In this case, operate the wipers in any mode other than AUTO.■
If no windshield washer fluid sprays
Check that the washer nozzles are not blocked if there is washer fluid in the wind-
shield washer fluid reservoir.
CAUTION■
Caution regarding the use of windshield wipers in AUTO mode (vehicles with
rain-sensing windshield wipers)
The windshield wipers may operate unexpect edly if the sensor is touched or the
windshield is subject to vibration in AUTO mode. Take care that your fingers or any-
thing else do not become caugh t in the windshield wipers.
■
Caution regarding the use of washer fluid
When it is cold, do not use the washer fluid until the windshield becomes warm. The
fluid may freeze on the windshield and cause low visibility. This may lead to an acci-
dent, resulting in death or serious injury. ●
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.
Page 223 of 886
2232-3. Operating the light s and windshield wipers
2
When driving NOTICE■
When the windshield is dry
Do not use the wipers, as they may damage the windshield.■
When the washer fluid tank is empty
Damage to the washer fluid pump may be caused if the lever is pulled toward you
and held continually. ■
When a nozzle becomes blocked
In this case, contact your Lexus dealer.
Do not try to clear it with a pin or other object. The nozzle will be damaged.
Page 224 of 886
2242-3. Operating the lights and windshield wipers
Rear window wiper and washer The wiper operation is selected by moving the lever as follows:
Type A
Off
Intermittent window
wiper operation
Normal window wiper
operation
Washer/wiper dual
operation
Washer/wiper dual
operation