wipers LEXUS RC300 2018 User Guide

232 4-3. Operating the lights and wipers
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U) (U.S.A.) or (Canada)
Turns the front fog lights off
Turns the front fog lights on
■
Fog lights can be used when
The headlights are on in low beam.Fog light switch 
 : If equippedThe fog lights secure excellent visibility in difficult driving conditions, such as
in rain and fog. 1
2

2334-3. Operating the lights and wipers
4
Driving
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)Operate the lever as follows to operate the wipers. The lever will return to its
original position after operation. 
Intermittent windshield wipe rs with interval adjuster
(U.S.A.) or (Canada)
Move the lever up by 2 levels
Move the lever up by 1 level
(U.S.A.) or (Canada)
Move the lever down by 1 level
(U.S.A.) or (Canada)
Move the lever down by 2 lev-
elsWindshield wipers and washer Operating the wiper lever 1
2
3
4
or
or
or
Off Temporary
operation Temporary
operation Intermittent
operation High speed
operation
Intermittent
operation Off Off Low speed
operation High speed
operation
Low speed
operation Off Intermittent
operation High speed
operation High speed
operation
High speed
operation Off Low speed
operation No change No changeStatus
before
operation Operation

234 4-3. Operating the lights and wipers
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)Wiper intervals can be adjusted when intermittent operation is selected.
Increases the intermittent windshield
wiper frequency
Decreases the intermittent wind-
shield wiper frequency
Washer/wiper dual operation 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, th e headlight cleaners
will operate once. After this, the head-
light cleaners will operate every 5th
time the lever is pulled. 5
6
7

2354-3. Operating the lights and wipers
4
Driving
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)
Rain-sensing windshield wipers
(U.S.A.) or (Canada)
Move the lever up by 2 levels
Move the lever up by 1 level
(U.S.A.) or (Canada)
Move the lever down by 1 level
(U.S.A.) or (Canada)
Move the lever down by 2 lev-
els
AUTO mode on/off switch With AUTO mode 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.
The AUTO mode indicator will turn on when AUTO mode is selected.
* 1
: After temporary operation, the mode will return to AUTO mode.
* 2
: AUTO mode will be canceled. AUTO mode
indicator1
2
3
4
5
or
or
or
Off Temporary
operation Temporary
operation Low speed
operation High speed
operation
Low speed
operation Off Off High speed
operation High speed
operation
High speed
operation Off Low speed
operation No change No change
AUTO
mode Intermittent
operation
Off Temporary
operation
* 1
Low speed
operation
* 2
High speed
operation
* 2
Continuously No changeOperation
Status
before
operation

236 4-3. Operating the lights and wipers
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)When AUTO mode is selected, the sensor sensitivity can be adjusted by turning
the switch ring.
Increases the sensitivity
Decreases the sensitivity
Washer/wiper dual operation 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, th e headlight cleaners
will operate once. After this, the head-
light cleaners will operate every 5th
time the lever is pulled.
The wipers can be used as intermittent windshield wipers, which operate regard-
less of vehicle speed or amount of rain drops. The intermitte nt windshield wiper
operation can be switched wh en the vehicle is stopped and the wiper is off. The
wiper operation cannot be switched duri ng AUTO mode or while the intermit-
tent windshield wi pers 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
vehicle is stopped and the wipers are off. 6
7
8
Switching between the intermittent windshield wipers and rain-sensing
windshield wipers (vehicles with rain-sensing windshield wipers)

2374-3. Operating the lights and wipers
4
Driving
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)■
Operation of the intermittent windsh ield wipers with interval adjuster
(U.S.A.) or (Can-
ada)
Move the lever up by 2 levels
Move the lever up by 1 level
(U.S.A.) or (Canada)
Move the lever down by 1 level
(U.S.A.) or (Can-
ada)
Move the lever down by 2 levels 1
2
3
4
or
or
or
Off Temporary
operation Temporary
operation Intermittent
operation High speed
operation
Intermittent
operation Off Off Low speed
operation High speed
operation
Low speed
operation Off Intermittent
operation High speed
operation High speed
operation
High speed
operation Off Low speed
operation No change No changeStatus
before
operation Operation

238 4-3. Operating the lights and wipers
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)Wiper intervals can be adjusted when intermittent operation is selected.
Increases the intermittent wind-
shield wiper frequency
Decreases the intermittent wind-
shield wiper frequency
Washer/wiper dual operation The wipers will automatically operate
a couple of times after the washer
squirts.
Vehicles with headlight cleaners:
When the engine switch is in IGNI-
TION ON mode and the headlights
are on, if the lever is pulled, the head-
light cleaners w ill operate once.
After this, the headlight cleaners will
operate every 5th time the lever is
pulled. 5
6
7

2394-3. Operating the lights and wipers
4
Driving
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)■
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 operation (vehicles with rain-sensing windshield wip-
ers)
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)
With low speed windshield wi per operation selected, wipe r operation will be switched
from low speed to intermittent wiper operation only when the vehicle is stationary. ■
Raindrop sensor (vehicles with rain-sensing windshield wipers)
●
If the wiper is turned to AUTO mode wh ile the engine switch is in IGNITION ON
mode, the wipers will operate once to show that AUTO mode is activated.●
If the temperature of the rain drop 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 tempor ary operation (vehicles with rain-sensing
windshield wipers)
AUTO mode cannot be activa ted 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 windshield
washer fluid reservoir. ●
The raindrop sensor judges the amount of
raindrops.
An optical sensor is ad opted. It may not oper-
ate properly when sunlight from the rising or
setting of the sun inte rmittently strikes the
windshield, or if bugs etc. are present on the
windshield.

240 4-3. Operating the lights and wipers
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)WARNING ■
Caution regarding the use of windshield wipers in AUTO mode
The windshield wipers may operate unexpectedly if the sensor is touched or the wind-
shield is subject to vibratio n 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 fl uid until the windshield becomes warm. The
fluid may freeze on the windshield and cause lo w visibility. This may lead to an accident,
resulting in death or serious injury.
NOTICE ■
When the windshield is dry
Do not use the wipers, as they may damage the windshield. ■
When there is no washer fluid spray from the nozzle
Damage to the washer fluid pump may be cau sed 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 nozz le will be damaged.

248 4-5. Using the driving support systems
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)WARNING ■
To avoid malfunction of the camera sensor
Observe the following precautions.
Otherwise, the camera sensor may not oper ate properly, possibly leading to an acci-
dent resulting in deat h 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.,
clear the windshield.
• If a glass coating agent is applied to the wi ndshield, it will still be necessary to use
the windshield wipers to remove water droplets, etc. from the area of the wind-
shield in front of the camera sensor.
• If the inner side of the windshield where th e camera sensor is installed is dirty, con-
tact your Lexus dealer.
●
If the part of the windshield in front of the camera sensor is fogged up or covered with
condensation or ice, use the windshield de fogger to remove the fog, condensation or
ice. (  P. 338)●
If water droplets cannot be properly removed from the area of the windshield in front
of the camera sensor by th e windshield wipers, replace the wiper insert or wiper
blade.
If the wiper inserts or wiper blades need to be replaced, contact your Lexus dealer.●
Do not attach objects, such as stickers, trans-
parent stickers, and so forth, to the outer side
of the windshield in front of the camera sensor
(shaded area in the illustration).
A: From the top of the windshield to approxi-
mately 0.4 in. (1 cm) below the bottom of the
camera sensor
B: Approximately 7.9 in. (20 cm) (Approxi-
mately 4.0 in. [10 cm] to the right and left
from the center of the camera sensor)