2020 LEXUS RC300 wipers

1424-3. Operating the lights and wipers
Operating the lever operates
the wipers or washer as follows. The
lever will return to its original position
after operation.
Intermittent windshield wipers with
interval adjuster
1
(U.S.A.) or (Canada)
Move the lever up by 2 levels 2
Move the lever up by 1 level
3
(U.S.A.) or (Canada)
Move the lever down by 1 level
4
(U.S.A.) or (Canada)
Move the lever down by 2 levels
Depending on the operating state of
the wipers when the wiper lever is
operated, the wipers will operate as
follows.
• Current wiper operation: Off
• Current wiper operation: Intermit- tent operation
Windshield wipers and
w
asher
Operating the lever can use the
windshield wipers or the washer.
NOTICE
■When the windshield is dry
Do not use the wipers, as they may dam-
age the windshield.
Operating the wiper leverWiper lever oper- ationWiper operation
or Temporary operation
Temporary operation
or Intermittent operation
or High speed operation
Wiper lever oper-ationWiper operation
or Off
Off
or Low speed operation
or High speed operation

1434-3. Operating the lights and wipers
4
Driving
• Current wiper operation: Low speed operation
• Current wiper operation: High speed operation
Wiper intervals can be adjusted when
intermittent operation is selected.
5 Increases the intermittent wind-
shield wiper frequency
6 Decreases the intermittent wind-
shield wiper frequency 7
Washer/wiper dual opera-
tion
Pulling the lever operates the wipers and
washer.
The wipers will automatically operate a
couple of times after the washer squirts.
Vehicles with headlight cleaners: When the
engine switch is in IGNITION ON mode
and the headlights are on, if the lever is
pulled, the headlight cleaners will operate
once. After this, the he adlight cleaners will
operate every 5th time the lever is pulled.
Rain-sensing windshield wipers
1 (U.S.A.) or (Canada)
Wiper lever oper-
ationWiper operation
or Off
Intermittent operation
or High speed operation
or High speed operation
Wiper lever oper-ationWiper operation
or Off
Low speed operation
or No change
or No change

1444-3. Operating the lights and wipers
Move the lever up by 2 levels
2 Move the lever up by 1 level
3 (U.S.A.) or (Canada)
Move the lever down by 1 level
4 (U.S.A.) or (Canada)
Move the lever down by 2 levels
5 AUTO mode on/off switch
With AUTO mode selected, the wipers will
operate automatically when the sensor
detects falling rain. The system automati-
cally adjusts wiper timing in accordance
with rain volume and vehicle speed.
The AUTO mode indicator will turn on
when AUTO mode is selected.
Depending on the operating state of
the wipers when the wiper lever is
operated, the wipers will operate as
follows.
• Current wiper operation: Off
• Current wiper operation: Low
speed operation • Current wiper operation: High
speed operation
• Current wiper operation: AUTO mode (Intermittent operation)
• Current wiper operation: AUTO mode (Continuously)
Wiper lever oper- ationWiper operation
or Temporary operation
Temporary operation
or Low speed operation
or High speed operation
Wiper lever oper-ationWiper operation
or Off
Off
A
or High speed operation
or High speed operation
Wiper lever oper- ationWiper operation
or Off
Low speed operation
or No change
or No change
Wiper lever oper-ationWiper operation
or Off
Temporary opera-
tion
*1
or Low speed opera-tion
*2
or High speed opera-
tion
*2
Wiper lever oper- ationWiper operation
or Off
No change
Wiper lever oper-ationWiper operation

1454-3. Operating the lights and wipers
4
Driving
*1: After temporary operation, the mode will return to AUTO mode.
*2: AUTO mode will be canceled.
When AUTO mode is selected, the
sensor sensitivity can be adjusted by
turning the switch ring.
6 Increases the sensitivity
7 Decreases the sensitivity
8 Washer/wiper dual opera-
tion
Pulling the lever operates the wipers and
washer.
The wipers will automatically operate a
couple of times afte r the washer squirts. Vehicles with headlight cleaners: When the
engine switch is in IGNITION ON mode
and the headlights are
on, if the lever is
pulled, the headlight cleaners will operate
once. After this, the he adlight cleaners will
operate every 5th time the lever is pulled.
The wipers can be used as intermittent
windshield wipers, which operate
regardless of vehicle speed or amount
of raindrops. The intermittent wind-
shield wiper operation can be switched
when the vehicle is stopped and the
wiper is off. The wiper operation can-
not be switched during AUTO mode
or while the intermittent windshield
wipers are operating.
Press and hold until the AUTO
mode indicator stops flashing.
If is pressed and held until the AUTO
mode indicator stops flashing again, it will
return to its previous state.
The wiper can be switched when the vehi-
cle is stopped and the wipers are off.
or Low speed opera-
tion
*2
or High speed opera- tion
*2
Wiper lever oper- ationWiper operation
Switching between the intermit-
tent windshield wipers and
rain-sensing windshield wipers
(vehicles with rain-sensing wind-
shield wipers)

1464-3. Operating the lights and wipers
■Operation of the intermittent
windshield wipers with interval
adjuster
1 (U.S.A.) or (Canada)
Move the lever up by 2 levels
2 Move the lever up by 1 level
3 (U.S.A.) or (Canada)
Move the lever down by 1 level
4 (U.S.A.) or (Canada)
Move the lever down by 2 levels
Depending on the operating state of
the wipers when the wiper lever is
operated, the wipers will operate as
follows.
• Current wiper operation: Off • Current wiper operation: Intermit-
tent operation
• Current wiper operation: Low speed operation
• Current wiper operation: High speed operation
Wiper lever oper- ationWiper operation
or Temporary operation
Temporary operation
or Intermittent operation
or High speed operation
Wiper lever oper- ationWiper operation
or Off
Off
or Low speed operation
or High speed operation
Wiper lever oper-ationWiper operation
or Off
Intermittent operation
or High speed operation
or High speed operation
Wiper lever oper-ationWiper operation
or Off
Low speed operation
Wiper lever oper-ationWiper operation

1474-3. Operating the lights and wipers
4
Driving
Wiper intervals can be adjusted when
intermittent operation is selected.
5Increases the intermittent wind-
shield wiper frequency
6 Decreases the intermittent wind-
shield wiper frequency
7 Washer/wiper dual opera-
tion
Pulling the lever operates the wipers and
washer.
The wipers will automatically operate a
couple of times afte r the washer squirts.
Vehicles with headlight cleaners: When the
engine switch is in IGNITION ON mode
and the headlights are on, if the lever is
pulled, the headlight cleaners will operate once. After this, the he
adlight cleaners will
operate every 5th time the lever is pulled.
■The windshield wiper and washer can be
operated when
The engine switch is in IGNITION ON
mode.
■Dripping prevention wiper sweep
After performing a washing and wiping
operation several times, the wipers operate
one more time after a short delay to prevent
dripping.
However, this final wiper operation will not
be performed while driving.
■Effects of vehicle speed on wiper opera-
tion (vehicles with rain-sensing wind-
shield wipers)
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 un til drip prevention
wiper sweep occurs)
With low speed wind shield wiper opera-
tion selected, wiper operation will be
switched from low sp eed to intermittent
wiper operation only when the vehicle is
stationary.
■Raindrop sensor (vehicles with
rain-sensing wind shield wipers)
●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.
●If the wiper is turned to AUTO mode
while the engine swit ch is in IGNITION
or No change
or No change
Wiper lever oper-
ationWiper operation

1484-3. Operating the lights and wipers
ON mode, the wipers will operate once
to show that AUTO mode is activated.
●If the temperature of the raindrop sensor
is 185°F (85°C) or higher, or -22°F
(-30°C) or lower, automatic operation
may not occur. In this case, operate the
wipers in any mode other than AUTO
mode.
■When the windshield wipers are in tem-
porary operation (vehicles with
rain-sensing windshield wipers)
AUTO mode cannot be activated even if is pressed.
■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.
WARNING
■Caution regarding the use of wind-
shield wipers in AUTO mode
The windshield wipers may operate
unexpectedly if the sensor is touched or
the windshield is subject to vibration in
AUTO mode. Take care that your fingers
or anything else do not become caught
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 accident, resulting in death or serious
injury.
NOTICE
■When there is no washer fluid spray
from the nozzle
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.

1534-5. Using the driving support systems
4
Driving
WARNING
●Do not attach accessories, stickers
(including transparent stickers) or
other items to the radar sensor, radar
sensor cover or surrounding area.
●Do not subject the radar sensor or its
surrounding area to a strong impact.
If the radar sensor, front grille, or front
bumper has been subjected to a
strong impact, have the vehicle
inspected by your Lexus dealer.
●Do not disassemble the radar sensor.
●Do not modify or paint the radar sen-
sor or radar sensor cover.
●In the following cases, the radar sensor
must be recalibrated. Contact your
Lexus dealer for details.
• When the radar sensor or front grille are removed and installed, or replaced
• When the front bumper is replaced
■To avoid malfunction of the front cam-
era
Observe the following precautions.
Otherwise, the front camera may not
operate properly, possibly leading to an
accident resulting in death or serious
injury.
●Keep the windshield clean at all times.
• If the windshield is dirty or covered with an oily film, water droplets, snow,
etc., clean the windshield.
• If a glass coating agent is applied to the windshield, it will still be necessary to
use the windshield wipers to remove
water droplets, etc. from the area of
the windshield in front of the front
camera.
• If the inner side of the windshield where the front camera is installed is
dirty, contact your Lexus dealer.
●Do not attach objects, such as stickers,
transparent stickers, etc., to the outer
side of the windshield in front of the
front camera (shaded area in the illus-
tration).
From the top of the windshield to
approximately 0.4 in. (1 cm) below
the bottom of the front camera
Approximately 7.9 in. (20 cm)
(Approximately 4.0 in. [10 cm] to the
right and left from the center of the
front camera)
●If the part of the windshield in front of
the front camera is fogged up or cov-
ered with condensation, or ice, use the
windshield defogger to remove the
fog, condensation, or ice. (
P.211)
●If water droplets cannot be properly
removed from the area of the wind-
shield in front of the front camera by
the windshield wipers, replace the
wiper insert or wiper blade.
●Do not attach window tint to the wind-
shield.
●Replace the windshield if it is damaged
or cracked.
After replacing the windshield, the
front camera must be recalibrated.
Contact your Lexus dealer for details.
●Do not allow liquids to contact the
front camera.
●Do not allow bright lights to shine into
the front camera.
A
B