2017 LEXUS RC300H wipers

2454-3. Operating the lights and wipers
4
Driving
RC300h_EE(OM24740E)
■Operation of the intermittent windshield wipers with interval adjuster
Move the lever up by 2 lev-
els
Move the lever up by 1 level
Move the lever down by 1
level
Move the lever down by 2
levels
1
2
3
4
OffTemporary operationTemporaryoperationIntermittentoperationHigh speedoperation
Intermittent operationOffOffLow speedoperationHigh speedoperation
Low speed
operationOffIntermittent
operation
High speed
operation
High speed
operation
High speed operationOffLow speedoperationNo changeNo change
Status beforeoperation
Operation

2464-3. Operating the lights and wipers
RC300h_EE(OM24740E)
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.
When the power switch is in ON mode and the headlights are on, if the
lever is pulled, the headlight cleaners will operate once. After this, theheadlight cleaners will operate every
5th time the lever is pulled.
5
6
7

2474-3. Operating the lights and wipers
4
Driving
RC300h_EE(OM24740E)
■The windshield wiper and washer can be operated when
The power switch is in ON mode.
■Dripping prevention wiper sweep
After performing a washing and wiping operat ion 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, wiper operation will be switched
from low speed to intermittent wiper operat ion only when the vehicle is stationary.
■Raindrop sensor (vehicles with rain-sensing windshield wipers)
●If the wiper is turned to AUTO mode while the power switch is in ON mode, the wipers
will operate once to show th at AUTO mode is activated.
●If the temperature of the raindrop sensor is 85°C (185°F) or higher, or -30°C (-22°F) 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 temporary 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 windshield washer fluid reservoir.
●The raindrop sensor judges the amount ofraindrops.
An optical sensor is adopted. It may not oper-
ate properly when sunlight from the rising or setting of the sun intermittently strikes thewindshield, or if bugs etc. are present on the
windshield.

2484-3. Operating the lights and wipers
RC300h_EE(OM24740E)
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 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 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 caused if the lever is pulled toward you and held continually.
■When a nozzle becomes blocked
In this case, contact any authorized Lexus de aler or repairer, or another duly qualified and equipped professional.
Do not try to clear it with a pin or other object. The nozzle will be damaged.

2644-5. Using the driving support systems
RC300h_EE(OM24740E)
■Automatic cancelation of vehicle-to-vehicle distance control mode
Vehicle-to-vehicle distance co ntrol driving is automatically canceled in the following situ- ations:
●Actual vehicle speed falls below approximately 40 km/h (25 mph).
●VSC is activated.
●TRC is activated for a period of time.
●When the VSC or TRC system is turned off by pressing the VSC OFF switch.
●The sensor cannot detect correctly because it is covered in some way.
●The windshield wipers are operating at high speed (when the wipers are in AUTO
mode or the high speed wiper operation).
●When snow mode is set.
●Pre-crash braking is activated.
If vehicle-to-vehicle distance control mode is automatically canceled for any other rea- son, there may be a malfunction in the syst em. Contact any authorized Lexus dealer or repairer, or another duly qua lified and equipped professional.
■Automatic cancelation of constant speed control mode
Constant speed control mode is automatically canceled in the following situations:
●Actual vehicle speed is more than approximately 16 km/h (10 mph) below the set vehi-
cle speed.
●Actual vehicle speed falls below approximately 40 km/h (25 mph).
●VSC is activated.
●TRC is activated for a period of time.
●When the VSC or TRC system is turned off by pressing the VSC OFF switch.
●Pre-crash braking is activated.

4627-1. Maintenance and care
RC300h_EE(OM24740E)
WARNING
■When washing the vehicle
Do not apply water to the inside of the engine compartment. Doing so may cause the electrical components etc. to catch fire.
■When cleaning the windshield (vehicles with rain-sensing windshield wipers)
●When the upper part of the windshield where the raindrop sensor is located is touched by hand
●When a wet rag or similar is held close to the raindrop sensor
●If something bumps against the windshield
●If you directly touch the raindrop sensor body or if something bumps into the raindrop
sensor
■Precautions regarding the exhaust pipes
As exhaust gases cause the exhaust pipes to become quite hot, do not touch the
exhaust pipes while the hybrid system is op erating or immediately after the engine is turned off.
When washing the vehicle, be careful not to touch the exhaust pipes until they have
cooled sufficiently, as touching hot exhaust pipes can cause burns.
■Precaution regarding the rear bumper with Blind Spot Monitor (if equipped)
If the paint of the rear bumper is chipped or scratched, the system may malfunction. If
this occurs, consult any authorized Lexus deal er or repairer, or another duly qualified and equipped professional.
Set the wipers to the intermittent windshield
wipers. ( P. 244) If AUTO mode is selected, the wipers mayoperate unexpectedly in the following situa-
tions, and may result in hands being caught or other serious injuries and cause damage to thewiper blades.

4637-1. Maintenance and care
7
Maintenance and care
RC300h_EE(OM24740E)
NOTICE
■To prevent paint deterioration and corrosion on the body and components (aluminum wheels etc.)
●Wash the vehicle immediately in the following cases:
• After driving near the sea coast • After driving on salted roads• If coal tar or tree sap is present on the paint surface
• If dead insects, insect droppings or bird droppings are present on the paint surface • After driving in an area contaminated wi th soot, oily smoke, mine dust, iron pow- der or chemical substances
• If the vehicle becomes heavily soiled with dust or mud • If liquids such as benzene and gaso line are spilled on the paint surface
●If the paint is chipped or scratched, have it repaired immediately.
●To prevent the wheels from corroding, remove any dirt and store in a place with low humidity when storing the wheels.
■Cleaning the exterior lights
●Wash carefully. Do not use organic subs tances or scrub with a hard brush. This may damage the surfaces of the lights.
●Do not apply wax to the surfaces of the lights.Wax may cause damage to the lenses.
■To prevent damage to the windshield wiper arms
When lifting the wiper arms away from the windshield, pull the driver side wiper arm upward first, and repeat for the passenger side. When returning the wipers to theiroriginal position, do so from the passenger side first.
■When using an automatic car wash (vehicle s with rain-sensing windshield wipers)
Set the wipers to the intermittent windshield wipers. ( P. 244) If AUTO mode is selected, the wipers may operate and the wiper blades may be dam-
aged.
■When using a high pressure car wash
●When washing the vehicle, do not spray the camera or its surrounding area directly
with a high pressure washer. Shock applied from high pressure water may cause the device to not operate normally.
●Do not bring the nozzle tip close to boots (rubber or resin manufactured cover), con-
nectors or the following parts. The parts may be damaged if they come into contact with high-pressure water.
• Traction related parts• Steering parts •Suspension parts • Brake parts

5488-2. Steps to take in an emergency
RC300h_EE(OM24740E)
(If equipped)
Indicates that the dynamic radar cruise control system is
unable to judge vehicle-to-vehicle distance A buzzer also sounds. Turn off snow mode.
If the windshield wipers are on, turn them off or set them to a mode other than AUTO or high speedwiper operation.
(If equipped)
Indicates that the LDA (Lane Departure Alert) system issuspended (The camera sensor temperature is higher
than the operation temperature range) A buzzer also sounds. Restart the LDA after driving for a while.
(If equipped)
Indicates that a Blind Spot Monitor sensor or the sur- rounding area on the rear bumper is dirty or covered
with snow, ice, etc. or that a sensor is misaligned A buzzer also sounds. Clean off the dirt, snow, ice, etc. and drive the vehi-
cle with the operation conditions of the BSM func- tion ( P. 327) satisfied for approximately 10
minutes. If the warning message does not disappear, the sensor may be misaligned. Have the vehicleinspected by any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional.
Indicates a malfunction in:• The cruise control system; or
• The dynamic radar cruise control system (if equipped) Press the “ON/OFF” button once to deactivate thesystem, and then press the button again to reactivate
the system. A buzzer also sounds. Have the vehicle inspected by any authorized Lexus
dealer or repairer, or another duly qualified and equipped professional.
Warning messageDetails/Actions