Page 264 of 660
264 4-3. Operating the lights and wipers
RX450h_U_OM0E013U ■
Lowering the windshield wipe rs to the retracted position
With the windshield wipers placed on the windshield, turn the power switch to ON mode
and then move the wiper lever to an operatin g position. When the wiper switch is turned
off, the windshield wipers will stop at the retracted position.
NOTICE ■
When lifting the windshield wipers ●
Do not lift the windshield wipers when they are in the retracted position below the
hood. Otherwise, they may contact the hood, possibly resulting in damage to a wind-
shield wiper and/or the hood.
●
Do not operate the wiper lever when the wind shield wipers are lifted. Otherwise, the
windshield wipers may contac t the hood, possibly resultin g in damage to the wind-
shield wipers and/or hood. ●
Do not lift a windshield wiper by the wiper
blade. Otherwise, the wiper blade may be
deformed.
Page 265 of 660
2654-3. Operating the lights and wipers
4
Driving
RX450h_U_OM0E013U Turning the end of the lever turns on the rear window wiper and washer.
(U.S.A.) or (Canada)
Off
(U.S.A.) or (Canada)
Intermittent operation
(U.S.A.) or (Canada)
Normal operation
Washer/wiper dual operation The wiper will automatically operate a
couple of times after the washer squirts.Rear window wiper and washer Operating the wiper lever 1
2
3
4
Page 266 of 660
266 4-3. Operating the lights and wipers
RX450h_U_OM0E013U ■
The rear window wiper and washer can be operated when
The power switch is in ON mode. ■
If no washer fluid sprays
Check that the washer nozzle is not blocked if there is washer fluid in the washer fluid
tank.
NOTICE ■
When the rear window is dry
Do not use the wiper, as it may damage the rear window. ■
When the washer fluid tank is empty
Do not operate the switch continually as the washer fluid pump may overheat. ■
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 275 of 660

2754-5. Using the driving support systems
4
Driving
RX450h_U_OM0E013U WA R N I N G ■
To avoid malfunction of the camera sensor
Observe the following precautions.
Otherwise, the camera sensor may not operat e properly, possibly leading to an acci-
dent 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.,
clear 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 drop lets from the area of the windshield 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 th e camera sensor is fogged up or covered with
condensation or ice, use the windshield defogger to remove the fog, condensation or
ice. ( P. 4 0 9 )●
If water droplets cannot be properly remove d from the area of the windshield in front
of the camera sensor by the windshield wipers, replace the wiper insert or wiper
blade.
• To replace the wiper insert: P. 5 0 4
• If the wiper blades need to be replaced, contact your Lexus dealer. ●
Do not attach window tinting to the windshield. ●
Replace the windshield if it is damaged or cracked.
If the windshield needs to be re placed, contact your Lexus dealer.●
Do not get the camera sensor wet. ●
Do not allow bright lights to shine into the camera sensor. ●
Do not dirty or damage the camera sensor.
When cleaning the inside of the windshield , do not allow glass cleaner to contact the
lens. Also, do not touch the lens.
If the lens is dirty or damage d, contact your Lexus dealer.●
Do not install an antenna or attach stickers
(including transparent stickers) or other items
to the area of the windshield in front of the
camera sensor (shaded area in the illustra-
tion).
Page 392 of 660

392 4-6. Driving tips
RX450h_U_OM0E013U To enable the windshield wipers to be lifted when heavy snow or icy conditions
are expected, change the rest position of the windshield wipers from the
retracted position below the hood to the service position using the wiper lever.
(
P. 2 6 3 ) ■
Tire chain installation
Observe the following precautions wh en installing and removing chains:●
Install and remove tire chains in a safe location. ●
Install tire chains on the front tires only. Do not install tire chains on the rear tires. ●
Install tire chains on front tires as tightl y as possible. Retighten chains after driving
1/4 -1/2 mile (0.5 - 1.0 km). ●
Install tire chains following the instru ctions provided with the tire chains. Windshield wipers
WA R N I N G ■
Driving with snow tires
Observe the following precautions to reduce the risk of accidents.
Failure to do so may result in a loss of ve hicle control and cause death or serious injury.●
Use tires of the specified size. ●
Maintain the recommended level of air pressure. ●
Do not drive in excess of 75 mph (120 km/h), regardless of the type of snow tires
being used. ●
Use snow tires on all, not just some wheels.■
Driving with tire chains
Observe the following precautions to reduce the risk of accidents.
Failure to do so may result in the vehicle being unable to be driven safely, and may
cause death or serious injury. ●
Do not drive in excess of the speed limit specified for the tire chains being used, or
30 mph (50 km/h), whichever is lower. ●
Avoid driving on bumpy road surfaces or over potholes. ●
Avoid sudden acceleration, ab rupt steering, sudden bra king and shifting operations
that cause sudden engine braking. ●
Slow down sufficiently before entering a cu rve to ensure that vehicle control is main-
tained. ●
Do not use the LKA (Lane-Keeping Assist) system. (if equipped) ●
Do not use the LDA (Lane Departure Alert with steering control) system. (if
equipped)
Page 460 of 660

460 6-1. Maintenance and care
RX450h_U_OM0E013U WA R N I N G ■
When washing the vehicle
Do not apply water to the inside of the en gine compartment. Doing so may cause the
electrical components etc. to catch fire. ■
When cleaning the windshield
●
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 pipe
Exhaust gasses cause the exhaust pipe to become quite hot.
When washing the vehicle, be careful not to touch the pipe until it has cooled suffi-
ciently, as touching a hot exhaust pipe can cause burns. ■
Precautions regarding the rear bumper with Blind Spot Monitor
If the paint of the rear bumper is chipped or scratched, the syst em may malfunction. If
this occurs, consult your Lexus dealer.Set the wiper switch to off.
If the switch is in “AUTO”, the wipers may oper-
ate unexpectedly in the following situations,
and may result in hands being caught or other
serious injuries and cause damage to the wiper
blades.
Off
Page 461 of 660

4616-1. Maintenance and care
6
Maintenance and care
RX450h_U_OM0E013U NOTICE ■
To prevent paint deterioration and corrosio n 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 scratche d, have it repaired immediately.●
To prevent the wheels from corroding, remo ve any dirt and store in a place with low
humidity when storing the wheels. ■
Cleaning the exterior lights ●
Wash carefully. Do not use organic substances or scrub with a hard brush.
This may damage the su rfaces of the lights.●
Do not apply wax to the surfaces of the lights.
Wax may cause damage to the lenses. ■
When using an automatic car wash
Set the wiper switch to the off position.
If the wiper switch is in “AUTO”, the wipers may operate and the wiper blades may be
damaged. ■
When using a high pressure car wash ●
When washing the vehicle, do not let water of the high pressure washer hit directly or
the vicinity of the camera. Due to the shock fr om the high pressure water, it is possible
the device may not operate as normal. ●
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 ●
Do not point the nozzle of a high pressure
washer at the areas shown in the illustration,
as high pressure water may damage the oil
cooler.
Page 469 of 660
4696-2. Maintenance
6
Maintenance and care
RX450h_U_OM0E013U Vehicle exterior Items Check points
Doors • Do the doors operate smoothly?
Engine hood • Does the engine hood lock system work properly?
Fluid leaks • There should not be any si gns of fluid leakage after
the vehicle has been parked.
Ti r e s • Is the tire inflation pressure correct?
• The tires should not be damaged or excessively
worn.
• Have the tires been rotated according to the mainte-
nance schedule?
• The wheel nuts should not be loose.
Windshield wipers/
rear window wiper • The wiper blades should no t show any signs of crack-
ing, splitting, wear, contamination or deformation.
• The wiper blades should clear the windshield/rear
window without streaking or skipping.
WA R N I N G ■
If the hybrid system is operating
Turn the hybrid system off and ensure that there is adequate ventilation before per-
forming maintenance checks.