2018 LEXUS RX450h oil

390 4-6. Driving tips
RX450h_RX450hL _U_OM48F85U●
Use fluids that are appropriate to the prevailing outside temperatures.
•Engine oil
• Engine/power cont rol unit coolant
• Washer fluid ●
Have a service technician inspect the condition of the 12-volt battery. ●
Have the vehicle fitted with four snow tires or purchase a set of tire chains for
the front tires. Ensure that all tires are of the specified size and the same brand, and that chains
match the size of the tires.
Perform the following according to the driving conditions: ●
Do not try to forcibly open a window or move a wiper that is frozen. Pour
warm water over the frozen area to me lt the ice. Wipe away the water imme-
diately to prevent it from freezing. ●
To ensure proper operation of the c limate control system fan, remove any
snow that has accumulated on the air inlet vents in front of the windshield. ●
Check for and remove any excess ice or snow that may have accumulated on
the exterior lights, vehicle’s roof, chassi s, around the tires or on the brakes.●
Remove any snow or mud from the bottom of your shoes before getting in the
vehicle.Winter driving tips Carry out the necessary preparations an d inspections before driving the vehi-
cle in winter. Always drive the vehicle in a manner appropriate to the prevail-
ing weather conditions.
Pre-winter preparations
Before driving the vehicle

396 4-6. Driving tips
RX450h_RX450hL _U_OM48F85U [
WARNING ■
Off-road driving precautions
Always observe the following precautions to minimize the risk of death, serious injury
or damage to your vehicle: ●
Drive carefully when off the road. Do not ta ke unnecessary risks by driving in danger-
ous places. ●
Do not grip the steering wheel spokes when driving off-road. A bad bump could jerk
the wheel and injure your hands. Keep both hands and especially your thumbs on the
outside of the rim. ●
Always check your brakes for effectiveness immediately after driving in sand, mud,
water or snow. ●
After driving through tall grass, mud, rock , sand, rivers, etc., check that there is no
grass, bush, paper, rags, stone, sand, etc. adhering or trapped on the underbody.
Clear off any such matter from the underbody. If the vehicle is used with these materi-
als trapped or adhering to the underbody, a breakdown or fire could occur. ●
When driving off-road or in rugged terrain , do not drive at excessive speeds, jump,
make sharp turns, strike obje cts, etc. This may cause loss of control or vehicle rollover
causing death or serious injury. You are also risking expensive damage to your vehi-
cle’s suspension and chassis.
NOTICE ■
To prevent water damage
Take all necessary safety measures to ensure that water damage to the hybrid battery
(traction battery), hybrid system or other components does not occur.●
Water entering the engine compartment may cause severe damage to the hybrid
system. Water entering the interior may cause the hybrid battery (traction battery)
stowed under the rear seats to short circuit.●
Water entering the hybrid transmission and rear electric motor (traction motor) will
cause deterioration in transmission qualit y. The malfunction indicator may come on,
and the vehicle may not be drivable. ●
Water can wash the grease from wheel be arings, causing rusting and premature fail-
ure, and may also enter the hybrid transmissi on case, reducing the gear oil’s lubricat-
ing qualities. ■
When you drive through water
If driving through water, such as when cro ssing shallow streams, first check the depth of
the water and the bottom of the riverbed for firmness. Drive slowly and avoid deep
water. ■
Inspection after off-road driving ●
Sand and mud that has accumulated around brake discs may affect braking efficiency
and may damage brake system components. ●
Always perform a maintenance inspection afte r each day of off-road driving that has
taken you through rough terrain, sand, mud, or water. For scheduled maintenance
information, refer to the “Warranty and Services Guide/Owner’s Manual Supple-
ment/Scheduled Maintenance”.

4395-5. Playing an audio CD and MP3/WMA/AAC discs
5
Lexus Display Audio system
RX450h_RX450hL _U_OM48F85UNOTICE ■
Discs and adapters that cannot be used
Do not use the following types of discs.
Also, do not use 3 in. (8 cm) disc ad apters, DualDiscs or printable discs.
Doing so may damage the player and/or disc insert/eject function.
●
Discs that have a diameter that is not 4.7 in. (12 cm). ●
Low-quality or deformed discs. ●
Discs with a transparent or translucent recording area.●
Discs that have tape, stickers or labels attached to them, or that have had the label
peeled off. ■
Player precautions
Failure to follow the precautions below may re sult in damage to the discs or the player
itself. ●
Do not insert anything other than discs into the disc slot. ●
Do not apply oil to the player. ●
Store discs away from direct sunlight. ●
Never try to disassemble any part of the player.

554 6-5. Using the other interior features
RX450h_RX450hL _U_OM48F85UNOTICE ■
Conditions in which the wireless charger may not operate correctly
In the following situations, the wire less charger may not operate correctly:●
When a portable device is fully charged ●
When there is a foreign object between the charging area and portable device●
When a portable device becomes hot while charging●
When a portable device is placed on the wireless area with its charging surface fac-
ing up ●
When a portable device is not centered on the charging area ●
When the vehicle is near a TV tower, electric power plant, gas station, radio station,
large display, airport or other facility that generates stro ng radio waves or electrical
noise ●
When the portable device is in contact with, or is covered by any of the following
metallic objects:
• Cards to which aluminum foil is attached
• Cigarette boxes that ha ve aluminum foil inside
• Metallic wallets or bags
•Coins
•Metal hand warmers
• Media such as CDs and DVDs ●
When wireless keys (that emit radio waves) other than those of your vehicle are being
used nearby.
If in situations other than above the wirele ss charger does not operate properly or the
operation indicator light is blinking, the wireless charge r may be malfunctioning. Con-
tact your Lexus dealer. ■
To prevent failure or damage to data ●
Do not bring magnetic cards, such as a cr edit card, or magnetic recording media,
close to the wireless charger while charging. Otherwise, data may be erased due to
the influence of magnetism.
Additionally, do not bring pr ecision instruments such as wrist watches, close to the
wireless charger, as such objects may malfunction. ●
Do not leave portable devices in the cab in. The temperature inside the cabin may
become high when parked in the sun, and cause damage to the device. ■
To prevent 12-volt battery discharge
Do not use the wireless charger for a long pe riod of time with the hybrid system is
stopped.

580
RX450h_RX450hL _U_OM48F85U7-1. Maintenance and care
●
Working from top to bott om, liberally apply water to the vehicle body, wheel
wells and underside of the vehicl e to remove any dirt and dust.●
Wash the vehicle body using a sponge or soft cloth, such as a chamois. ●
For hard-to-remove marks, use car wa sh soap and rins e thoroughly with
water. ●
Wipe away any water. ●
Wax the vehicle when the waterproof coating deteriorates. If water does not bead on a clean surface, apply wax when the vehicle body is cool.■
Self-restoring coat
The vehicle body has a self-restoring coating that is resistant to small surface scratches
caused in a car wash etc. ●
The coating lasts for 5 to 8 years from when the vehicle is delivered from the plant. ●
The restoration time differs depending on the depth of the scratch and outside tem-
perature. The restoration ti me may become shorter when the coating is warmed by
applying warm water. ●
Deep scratches caused by keys, coins, etc. cannot be restored. ●
Do not use wax that contain abrasives. ■
Automatic car washes ●
Before washing the vehicle:
• Fold the mirrors
• Turn off the power back door
Start washing from the front of the vehicle. Extend the mirrors before driving. ●
Brushes used in automatic car washes may scratch the vehicle surface and harm your
vehicle’s paint. ●
Rear spoiler may not be wash able in some automatic car washes. There may also be an
increased risk of damage to vehicle. ■
High pressure car washes ●
Do not allow the nozzles of the car wash to come within close proximity of the windows. ●
Before using the car wash, check that the fuel filler door on your vehicle is closed prop-
erly.Cleaning and protect ing the vehicle exteriorPerform the following to protect the ve hicle and maintain it in prime condi-
tion:

5837-1. Maintenance and care
7
Maintenance and care
RX450h_RX450hL _U_OM48F85UNOTICE ■
To prevent paint deterioration and corrosion on the body and components (aluminum
wheels, etc.) ●
Wash the vehicle immediatel y in the following cases:
• After driving near the sea coast
• After driving on salted roads
• If you see coal tar or tree sap on the paint surface
• If you see dead insects, insect droppings or bird droppings on the paint
• 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 gasoli ne 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. ■
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 from 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 sh own in the illustration,
as high pressure water may damage the oil
cooler.

588 7-2. Maintenance
RX450h_RX450hL _U_OM48F85U■
Repair and replacement
It is recommended that genuine Lexus parts be used for repairs to ensure performance
of each system. If non-Lexus parts are used in replacement or if a repair shop other than
a Lexus dealer performs repairs, confirm the warranty coverage.■
Resetting the message indicating main tenance is required (U.S.A. only)
After the required maintenanc e is preformed according to the maintenance schedule,
please reset the message.
To reset the message, follow the procedures described below:
Select on the multi-information display.( → P. 108)
Press or of the meter control swit ch, select the “Scheduled Maintenance”
screen and then press and hold the .
Select the “Yes” and push .
A message will be displayed on the multi- information display when the reset proce-
dure has been completed. ■
Allow inspection and repairs to be performed by a Lexus dealer●
Lexus technicians are well-trained specialists and are kept up to date with the latest ser-
vice information. They are well informed about the operat ion of all systems on your
vehicle. ●
Keep a copy of the repair order. It proves that the maintenance that has been per-
formed is under warranty co verage. If any problem should arise while your vehicle is
under warranty, your Lexus dealer will promptly take care of it.
WARNING ■
If your vehicle is not properly maintained
Improper maintenance could result in seriou s damage to the vehicle and possible seri-
ous injury or death. ■
Handling of the 12-volt battery ●
Engine exhaust, some of its constituents, and a wide variety of automobile compo-
nents contain or emit chemicals known to th e State of California to cause cancer and
birth defects and other reproductive ha rm. Work in a well ventilated area.●
Oils, fuels and fluids contained in vehicles as well as waste produced by component
wear contain or emit chemicals known to the State of California to cause cancer and
birth defects or other reproductive harm. Avoid exposure and wash any affected area
immediately. ●
12-volt battery posts, terminals and related accessories contain lead and lead com-
pounds which are known to cause brain damage. Wash your hands after handling.
( → P. 605) 1
2
3
4

5897-2. Maintenance
7
Maintenance and care
RX450h_RX450hL _U_OM48F85UGeneral maintenance Listed below are the general maintenanc e items that should be performed at
the intervals specified in the “Warranty and Service Guide” or “Owner’s
Manual Supplement”. It is recommende d that any problem you notice should
be brought to the attention of your Lexu s dealer or qualified service shop for
advice.
Engine compartment Items Check points
Brake fluid Is the brake fluid at the correct level? ( → P. 603)
Engine/power control unit
coolant Is the engine/power control unit coolant at the correct
level?( → P. 601)
Engine oil Is the engine oil at the correct level?( → P. 598)
Exhaust system There should not be any fumes or strange sounds.
Radiator/condenser The radiator and condenser should be free from
foreign objects. ( → P. 602)
Washer fluid Is there sufficient washer fluid?( → P. 604)
Luggage compartment Items Check points
12-volt battery Check the connections. ( → P. 605)