2021 LEXUS RC300 headlights

1494-3. Operating the lights and wipers
4
Driving
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 headlight cleaners will
operate every 5th time the lever is pulled.
Rain-sensing windshield wipers
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
5 AUTO mode on/off switch
With AUTO mode selected, the wipers will
operate automatically when the sensor
detects falling rain. Th e 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
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

1514-3. Operating the lights and wipers
4
Driving
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 headlight 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.
■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
Switching between the intermit-
tent windshield wipers and
rain-sensing windshield wipers
(vehicles with rain-sensing wind-
shield wipers)
Wiper lever oper- ationWiper operation
or Temporary operation
Temporary operation

1524-3. Operating the lights and wipers
• Current wiper operation: Intermit-tent operation
• 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
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
or No change
or No change
Wiper lever oper- ationWiper operation

1604-5. Using the driving support systems
■If a warning message is displayed on the multi-information display
A system may be temporarily unavailable or there may be a malfunction in the system.
●In the following situations, perform the actions specified in the table. When the normal
operating conditions are detected, the message will disappear and the system will
become operational.
If the message does not disappea r, contact your Lexus dealer.
WARNING
●Do not dirty or damage the front cam-
era.
When cleaning the inside of the wind-
shield, do not allow glass cleaner to
contact the lens of the front camera.
Also, do not touch the lens. If the lens is
dirty or damaged, contact your Lexus
dealer.
●Do not subject the front camera to a
strong impact.
●Do not change the installation position
or direction of the front camera or
remove it.
●Do not disassemble the front camera.
●Do not modify any components of the
vehicle around the front camera
(inside rear view mirror, etc.) or ceiling.
●Do not attach any accessories to the
hood, front grille or front bumper that
may obstruct the front camera. Con-
tact your Lexus dealer for details.
●If a surfboard or other long object is to
be mounted on the roof, make sure
that it will not obstruct the front cam-
era.
●Do not modify the headlights or other
lights.

1674-5. Using the driving support systems
4
Driving
road or a wall that may be mistaken for a
vehicle or pedestrian
• When driving near an object that reflects
radio waves, such as a large truck or
guardrail
• When driving near a TV tower, broad-
casting station, electric power plant, or
other location where strong radio waves
or electrical noise may be present
■Situations in which the system may not
operate properly
●In some situations such as the following, a
vehicle may not be detected by the radar
sensor and front camera, preventing the
system from operating properly:
• If an oncoming vehicle is approaching your vehicle
• If a vehicle ahead is a motorcycle or bicy-
cle
• When approaching the side or front of a vehicle
• If a preceding vehicle has a small rear end, such as an unloaded truck
• If a preceding vehicle has a low rear end,
such as a low bed trailer
• If a vehicle ahead is carrying a load which protrudes past its rear bumper
• If a vehicle ahead has extremely high ground clearance
• If a vehicle ahead is irregularly shaped, such as a tractor or side car
• If the sun or other light is shining directly
on a vehicle ahead
• If a vehicle cuts in front of your vehicle or emerges from beside a vehicle
• If a vehicle ahead makes an abrupt maneuver (such as sudden swerving,
acceleration or deceleration)
• When suddenly cutting behind a preced- ing vehicle
• When a vehicle ahead is not directly in front of your vehicle
• When driving in incl ement weather such
as heavy rain, fog, snow or a sandstorm
• When the vehicle is hit by water, snow,
dust, etc. from a vehicle ahead
• When driving through steam or smoke
• When driving in a place where the sur- rounding brightness changes suddenly,
such as at the entrance or exit of a tunnel
• When a very bright light, such as the sun
or the headlights of oncoming traffic,
shines directly into the front camera
• When the surrounding area is dim, such
as at dawn or dusk, or while at night or in
a tunnel
• After the engine has started the vehicle
has not been driven for a certain amount
of time
• While making a left/right turn and for a
few seconds after making a left/right turn
• While driving on a curve and for a few seconds after driving on a curve
• If your vehicle is skidding
• If the front of the vehicle is raised or low- ered
• If the wheels are misaligned
• If a wiper blade is blocking the front cam- era

1714-5. Using the driving support systems
4
Driving
Press the LDA switch to turn the LDA
system on.
The LDA indicator illuminates and a mes-
sage is displayed on the multi-information
display.
Press the LDA switch again to turn the
LDA system off.
When the LDA system is turned on or off,
operation of the LDA system continues in the same condition the next time the
engine is started.
LDA indicator
The illumination condition of the indicator
informs the driver of the system operation
status.
Illuminated in white:
LDA system is operating.
Illuminated in green:
Steering wheel assistance of the steering
control function is operating.
Flashing in orange:
WARNING
●Asphalt repair marks, white (yellow)
line marks, etc. are present due to road
repair.
●Vehicle is driven in a temporary lane or
restricted lane due to construction
work.
●Vehicle is driven on a road surface
which is slippery due to rainy weather,
fallen snow, freezing, etc.
●Vehicle is driven in traffic lanes other
than on highways and freeways.
●Vehicle is driven in a construction
zone.
●During emergency towing
■Preventing LDA system malfunctions
and operations performed by mistake
●Do not modify the headlights or place
stickers, etc. on the surface of the
lights.
●Do not modify the suspension etc. If
the suspension etc. needs to be
replaced, contact your Lexus dealer.
●Do not install or place anything on the
hood or grille. Also, do not install a
grille guard (bull bars, kangaroo bar,
etc.).
●If your windshield needs repairs, con-
tact your Lexus dealer.
Turning LDA system on
Indications on multi-information
display
A

1744-5. Using the driving support systems
●There are shadows on the road that run
parallel with, or cover, the white (yellow)
lines.
●The vehicle is driven in an area without
white (yellow) lines, such as in front of a
tollgate or checkpoint, or at an intersec-
tion, etc.
●The white (yellow) lines are cracked,
“Botts’ dots”, “Raised pavement marker”
or stones are present.
●The white (yellow) lines cannot be seen
or are difficult to see due to sand, etc.
●The vehicle is driven on a road surface
that is wet due to rain, puddles, etc.
●The traffic lines are yellow (which may be
more difficult to recognize than lines that
are white).
●The white (yellow) lines cross over a curb,
etc.
●The vehicle is driven on a bright surface,
such as concrete.
●The vehicle is driven on a surface that is
bright due to reflected light, etc.
●The vehicle is driven in an area where the
brightness changes suddenly, such as at
the entrances and exits of tunnels, etc.
●Light from the headlights of an oncoming
vehicle, the sun, etc. enters the camera.
●The vehicle is driven where the road
diverges, merges, etc.
●The vehicle is driven on a slope.
●The vehicle is driven on a road which tilts
left or right, or a winding road.
●The vehicle is driven on an unpaved or
rough road.
●The vehicle is driven around a sharp
curve.
●The traffic lane is excessively narrow or
wide.
●The vehicle is extremely tilted due to car-
rying heavy luggage or having improper
tire pressure.
●The distance to the preceding vehicle is
extremely short.
●The vehicle is moving up and down a
large amount due to road conditions
during driving (poor roads or road
seams).
●The headlight lenses are dirty and emit a
faint amount of light at night, or the beam
axis has deviated.
●The vehicle is struck by a crosswind.
●The vehicle has just changed lanes or
crossed an intersection.
●Snow tires, etc. are equipped.
■Warning message
If the following warning messag e is displayed on the multi-information display and the LDA
indicator illuminates in orange, follow th e appropriate troubleshooting procedure.
Warning messageDetails/Actions
“Lane Departure Alert Malfunction
Visit Your Dealer”The system may not be operating properly.
Have the vehicle inspected at your Lexus dealer.
“Front Camera Unavailable Remove
Debris On Windshield”
Dirt, rain, condensation, ice, snow, etc. are present
on the windshield in front of the camera sensor.
Turn the LDA system off, remove any dirt, rain,
condensation, ice, snow, et c. from the windshield,
and then turn the LDA system back on.

2816-3. Do-it-yourself maintenance
6
Maintenance and care
number of turns.
2Turn bolt B the same number of
turns and in the same direction as
step 1.
If the headlight cannot be adjusted using
this procedure, take the vehicle to your
Lexus dealer to adjust the headlight aim.
Check the wattage of the light bulb to
be replaced. ( P.338)
Rear turn signal light
■Bulbs that need to be replaced by
your Lexus dealer
 Headlights
 Parking lights and daytime running
lights
 Front turn signal lights
 Cornering lights
 Side marker lights
Light bulbs
You may replace the following bulbs
by yourself. The difficulty level of
replacement varies depending on
the bulb. If necessary bulb replace-
ment seems difficult to perform,
contact your Lexus dealer.
For more information about replac-
ing other light bulbs, contact your
Lexus dealer.
Preparing for light bulb replace-
ment
Bulb locations
A