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LEXUS RC300, RC350 (2019 year). Instruction - part 15

235

6-1. Maintenance and care

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 Remove dirt and dust using a vac-

uum cleaner. Wipe dirty surfaces
with a cloth dampened with luke-
warm water.

 If dirt cannot be removed, wipe it off

with a soft cloth dampened with
neutral detergent diluted to approx-
imately 1%.

Wring out any excess water from the cloth
and thoroughly wipe off remaining traces
of detergent and water.

■

Shampooing the carpets

There are several commercial foaming-type

cleaners available. Use a sponge or brush

to apply the foam. Rub in overlapping cir-

cles. Do not use water. Wipe dirty surfaces

and let them dry. Excellent results are

obtained by keeping the carpet as dry as

possible.

■

Handling the seat belts

Clean with mild soap and lukewarm water

using a cloth or sponge. Also check the

belts periodically for excessive wear, fraying

or cuts.

■

When cleaning the carpeted portions of

the glove box, console box, etc.

If a strong adhesive tape is used, there is a

possibility that the surface of the carpet

could be damaged.

NOTICE

●

Do not spray the lower part of the

windshield continuously.

If water enters the air conditioning sys-

tem intake located near the lower part of

the windshield, the air conditioning sys-

tem may not operate correctly.

Cleaning and protecting the
vehicle interior

Perform cleaning in a manner
appropriate to each component
and its material.

Protecting the vehicle interior

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6-1. Maintenance and care

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 Remove dirt and dust using a vac-

WARNING

■

Water in the vehicle

●

Do not splash or spill liquid in the vehi-

cle.

Doing so may cause electrical compo-

nents, etc. to malfunction or catch fire.

●

Do not get any of the SRS components

or wiring in the vehicle interior wet.

(

P.28)

An electrical malfunction may cause the

airbags to deploy or not function prop-

erly, resulting in death or serious injury.

■

Cleaning the interior (especially

instrument panel)

Do not use polish wax or polish cleaner.

The instrument panel may reflect off the

windshield, obstructing the driver’s view

and leading to an accident, resulting in

death or serious injury.

NOTICE

■

Cleaning detergents

●

Do not use the following liquids, as

they may discolor the vehicle interior

or cause streaks or damage to painted

surfaces:

• Center Display: Organic substances

such as benzine or gasoline, alkaline

solutions, and alcohol

• Seats: Alkaline solutions, organic sub-

stances such as thinner or benzine,

and alcohol

• Other parts: Organic substances such

as benzine or gasoline, alkaline or

acidic solutions, dye, and bleach

●

Do not use polish wax or polish

cleaner. The instrument panel’s or

other interior part’s painted surface

may be damaged.

■

Preventing damage to leather sur-

faces

Observe the following precautions to

avoid damage to and deterioration of

leather surfaces:

●

Remove any dust or dirt from leather

surfaces immediately.

●

Do not expose the vehicle to direct

sunlight for extended periods of time.

Park the vehicle in the shade, espe-

cially during summer.

●

Do not place items made of vinyl, plas-

tic, or containing wax on the uphol-

stery, as they may stick to the leather

surface if the vehicle interior heats up

significantly.

■

Water on the floor

Do not wash the vehicle floor with water.
Vehicle systems such as the audio system

may be damaged if water comes into

contact with electrical components such

as the audio system above or under the

floor of the vehicle. Water may also

cause the body to rust.

■

When cleaning the inside of the wind-

shield

Do not allow glass cleaner to contact the

lens. Also, do not touch the lens.

(

P.152)

■

Cleaning the inside of the rear win-

dow

●

Do not use glass cleaner to clean the

rear window, as this may cause dam-

age to the rear window defogger

heater wires or antenna. Use a cloth

dampened with lukewarm water to

gently wipe the window clean. Wipe

the window in strokes running parallel

to the heater wires or antenna.

●

Be careful not to scratch or damage

the heater wires or antenna.

Cleaning the leather areas

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6-1. Maintenance and care

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uum cleaner.

 Wipe off any excess dirt and dust

with a soft cloth dampened with
diluted detergent.

Use a diluted water solution of approxi-
mately 5% neutral wool detergent.

 Wring out any excess water from

the cloth and thoroughly wipe off all
remaining traces of detergent.

 Wipe the surface with a dry, soft

cloth to remove any remaining
moisture.
Allow the leather to dry in a shaded
and ventilated area.

■

Caring for leather areas

Lexus recommends cleaning the interior of

the vehicle at least twice a year to maintain

the quality of the vehicle’s interior.

 Remove dirt and dust using a vac-

uum cleaner.

 Wipe it off with a soft cloth damp-

ened with neutral detergent diluted
to approximately 1%.

 Wring out any excess water from

the cloth and thoroughly wipe off
remaining traces of detergent and
water.

Cleaning the synthetic leather
areas

238

6-2. Maintenance

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6-2.Maintenance

■

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.

■

Allow inspection and repairs to be per-

formed by a Lexus dealer

●

Lexus technicians are well-trained spe-

cialists and are kept up to date with the

latest service information. They are well

informed about the operations of all sys-

tems on your vehicle.

●

Keep a copy of the repair order. It proves

that the maintenance that has been per-

formed is under warranty coverage. If any

problem should arise while your vehicle is

under warranty, your Lexus dealer will

promptly take care of it.

General maintenance should be per-
formed on a daily basis. This can be
done by yourself or by a Lexus dealer.

Scheduled maintenance should be
performed at specified intervals
according to the maintenance sched-
ule.

For details about maintenance items and
schedules, refer to the “Warranty and Ser-
vice Guide”, “Owner’s Manual Supple-
ment” or “Scheduled Maintenance”.

■

Resetting the message indicating main-

tenance is required

After the required maintenance is pre-

formed according to the maintenance

schedule, please reset the message.
To reset the message, follow the procedures

described below:

Select

on the multi-information dis-

play. (

P.76)

Press the

meter control

switch on the steering wheel to select

“Vehicle Settings” then “Scheduled

Maintenance requirements

To ensure safe and economical driv-
ing, day-to-day care and regular
maintenance are essential. It is the
owner’s responsibility to perform
regular checks. Lexus recommends
the maintenance below.

WARNING

■

If your vehicle is not properly main-

tained

Improper maintenance could result in

serious damage to the vehicle and possi-

ble death or serious injury.

■

Handling of the battery

●

Engine exhaust, some of its constitu-

ents, and a wide variety of automobile

components contain or emit chemicals

known to the State of California to

cause cancer and birth defects and

other reproductive harm. Work in a

well ventilated area.

●

Oils, fuels and fluids contained in vehi-

cles as well as waste produced by

component wear contain or emit

chemicals known to the State of Cali-

fornia to cause cancer and birth

defects or other reproductive harm.

Avoid exposure and wash any affected

area immediately.

●

Battery posts, terminals and related

accessories contain lead and lead

compounds which are known to cause

brain damage. Wash your hands after

handling. (

P.253)

General maintenance

Scheduled maintenance

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6-2. Maintenance

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Maintenance”. (To confirm setting,
press .)

Select “Yes” and then press

A message will be displayed on the

multi-information display when the

reset procedure has been completed.

You can perform some maintenance
procedures by yourself.
Please be aware that do-it-yourself
maintenance may affect warranty cov-
erage.

The use of Lexus repair manuals is recom-
mended.
For details about warranty coverage, refer
to the separate “Owner’s Guide”, “War-
ranty and Service Guide”, “Owner’s Man-
ual Supplement” or “Warranty Booklet”.

Do-it-yourself maintenance

General maintenance

Listed below are the general main-
tenance items that should be per-
formed at the intervals specified in
the “Warranty and Service Guide”
or “Owner’s Manual Supplement”.
It is recommended that any prob-
lem you notice should be brought to
the attention of your Lexus dealer
or qualified service shop for advice.

WARNING

■

If the engine is running

Turn the engine off and ensure that there

is adequate ventilation before perform-

ing maintenance checks.

Engine compartment

Items

Check points

Battery

Check the indicator (if
equipped) and con-
nections. (

P.253)

Brake fluid

Is the brake fluid at the
correct level?
(

P.252)

Engine/inter-
cooler coolant

Is the engine/inter-
cooler coolant at the
correct level?
(

P.250)

Engine oil

Is the engine oil at the
correct level?
(

P.248)

Exhaust system

There should not be
any fumes or strange
sounds.

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6-2. Maintenance

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Radiator, con-
denser and inter-
cooler radiator

The radiator, con-
denser and inter-
cooler radiator should
be free from foreign
objects. (

P.252)

Washer fluid

Is there sufficient
washer fluid?
(

P.254)

Vehicle interior

Items

Check points

Accelerator
pedal

• The accelerator

pedal should move
smoothly (without
uneven pedal effort
or catching).

Automatic trans-
mission “Park”
mechanism

• When parked on a

slope and the shift
lever is in P, is the
vehicle securely
stopped?

Brake pedal

• Does the brake

pedal move
smoothly?

• Does the brake

pedal have appro-
priate clearance
from the floor?

• Does the brake

pedal have the cor-
rect amount of free
play?

Items

Check points

Brakes

• The vehicle should

not pull to one side
when the brakes are
applied.

• The brakes should

work effectively.

• The brake pedal

should not feel
spongy.

• The brake pedal

should not get too
close to the floor
when the brakes are
applied.

Head restraints

• Do the head

restraints move
smoothly and lock
securely?

Indicators/buzz-
ers

• Do the indicators

and buzzers function
properly?

Lights

• Do all the lights

come on?

Parking brake

• Does the parking

brake pedal move
smoothly?

• When parked on a

slope and the park-
ing brake is on, is the
vehicle securely
stopped?

Seat belts

• Do the seat belts

operate smoothly?

• The seat belts should

not be damaged.

Items

Check points

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6-2. Maintenance

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Seats

• Do the seat controls

operate properly?

Steering wheel

• Does the steering

wheel rotate
smoothly?

• Does the steering

wheel have the cor-
rect amount of free
play?

• There should not be

any strange sounds
coming from the
steering wheel.

Vehicle exterior

Items

Check points

Doors/trunk

• Do the doors/trunk

operate smoothly?

Engine hood

• Does the engine

hood lock system
work properly?

Fluid leaks

• There should not be

any signs of fluid
leakage after the
vehicle has been
parked.

Items

Check points

Tires

• Is the tire inflation

pressure correct?

• The tires should not

be damaged or
excessively worn.

• Have the tires been

rotated according to
the maintenance
schedule?

• The wheel nuts

should not be loose.

Windshield wip-
ers

• The wiper blades

should not show any
signs of cracking,
splitting, wear, con-
tamination or defor-
mation.

• The wiper blades

should clear the
windshield without
streaking or skip-
ping.

Items

Check points

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6-2. Maintenance

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The OBD system determines that a
problem exists somewhere in the emis-
sion control system. Your vehicle may
not pass the I/M test and may need to
be repaired. Contact your Lexus
dealer to service the vehicle.

 When the battery is disconnected

or discharged

Readiness codes that are set during ordi-
nary driving are erased.Also, depending
on your driving habits, the readiness codes
may not be completely set.

 When the fuel tank cap is loose

The malfunction indicator lamp comes on
indicating a temporary malfunction and
your vehicle may not pass the I/M test.

The error code in the OBD system will
not be cleared unless the vehicle is
driven 40 or more times.

Contact your Lexus dealer to prepare
the vehicle for re-testing.

Emission inspection and
maintenance (I/M) pro-
grams

Some states have vehicle emission
inspection programs which include
OBD (On Board Diagnostics)
checks. The OBD system monitors
the operation of the emission con-
trol system.

If the malfunction indicator lamp
comes on

Your vehicle may not pass the
I/M test in the following situa-
tions:

When the malfunction indicator
lamp still remains on after sev-
eral driving trips

If your vehicle does not pass the
I/M test

243

6-3. Do-it-yourself maintenance

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6-3.Do-it-yourself maintenance

Do-it-yourself service pre-
cautions

If you perform maintenance by
yourself, be sure to follow the cor-
rect procedure as given in these
sections.

Maintenance

Items

Parts and tools

Battery condition
(

P.253)

• Warm water
• Baking soda
• Grease
• Conventional

wrench (for terminal
clamp bolts)

Brake fluid level
(

P.252)

• SAE J1703 or

FMVSS No.116 DOT
3 brake fluid

• SAE J1704 or

FMVSS No.116 DOT
4 brake fluid

• Rag or paper towel
• Funnel (used only for

adding brake fluid)

Engine/inter-
cooler coolant
level(

P.250)

• “Toyota Super Long

Life Coolant” or a
similar high quality
ethylene gly-
col-based non-sili-
cate, non-amine,
non-nitrite and
non-borate coolant
with long-life hybrid
organic acid tech-
nology

• For the U.S.A.:“Toy-

ota Super Long Life
Coolant” is
pre-mixed with 50%
coolant and 50%
deionized water.

• For Canada:“Toyota

Super Long Life
Coolant” is
pre-mixed with 55%
coolant and 45%
deionized water.

• Funnel (used only for

adding coolant)

Engine oil level
(

P.248)

• “Toyota Genuine

Motor Oil” or equiv-
alent

• Rag or paper towel
• Funnel (used only for

adding engine oil)

Fuses (

P.267)

• Fuse with same

amperage rating as
original

Items

Parts and tools

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6-3. Do-it-yourself maintenance

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Light bulbs
(

P.270)

• Bulb with same num-

ber and wattage rat-
ing as original

• Phillips-head screw-

driver

• Flathead screw-

driver

• Wrench

Radiator, con-
denser and inter-
cooler radiator
(

P.252)



Tire inflation pres-
sure (

P.261)

• Tire pressure gauge
• Compressed air

source

Washer fluid
(

P.254)

• Water or washer

fluid containing anti-
freeze (for winter
use)

• Funnel (used only for

adding water or
washer fluid)

WARNING

The engine compartment contains many

mechanisms and fluids that may move

suddenly, become hot, or become elec-

trically energized. To avoid death or seri-

ous injury, observe the following

precautions.

■

When working on the engine com-

partment

●

Keep hands, clothing and tools away

from the moving fans and engine drive

belt.

●

Be careful not to touch the engine,

radiator, exhaust manifold, etc. right

after driving as they may be hot. Oil

and other fluids may also be hot.

Items

Parts and tools

●

Do not leave anything that may burn

easily, such as paper and rags, in the

engine compartment.

●

Do not smoke, cause sparks or expose

an open flame to fuel or the battery.

Fuel and battery fumes are flammable.

●

Be extremely cautious when working

on the battery. It contains poisonous

and corrosive sulfuric acid.

■

When working near the electric cool-

ing fans or radiator grille

Be sure the engine switch is off.
With the engine switch in IGNITION

ON mode, the electric cooling fans may

automatically start to run if the air condi-

tioning is on and/or the coolant tempera-

ture is high. (

P.252)

■

Safety glasses

Wear safety glasses to prevent flying or

falling material, fluid spray, etc. from get-

ting in your eyes.

NOTICE

■

If you remove the air cleaner filter

Driving with the air cleaner filter

removed may cause excessive engine

wear due to dirt in the air.

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6-3. Do-it-yourself maintenance

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Pull the hood lock release lever.

The hood will pop up slightly.

Pull up the auxiliary catch lever and
lift the hood.

■

If a symbol indicating the hood opens is

shown on the multi-information display

P.88

■

Front



2WD models

Hood

Opening the hood

WARNING

■

Pre-driving check

Check that the hood is fully closed and

locked.
If the hood is not locked properly, it may

open while the vehicle is in motion and

cause an accident, which may result in

death or serious injury.

Positioning a floor jack

When using a floor jack, follow the
instructions in the manual provided
with the jack and perform the oper-
ation safely.

When raising your vehicle with a
floor jack, position the jack cor-
rectly. Improper placement may
damage your vehicle or cause
injury.

Location of the jack point

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6-3. Do-it-yourself maintenance

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

AWD models

■

Rear

247

6-3. Do-it-yourself maintenance

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

RC350/RC300 AWD

Fuse boxes (

P.267)

Battery (

P.253)

Engine oil level dipstick (

P.248)

Engine coolant reservoir (

P.250)

Engine oil filler cap (

P.248)

Brake fluid reservoir (

P.252)

Washer fluid tank (

P.254)

Electric cooling fans
Condenser (

P.252)

Radiator (

P.252)

Engine compartment

Components

A
B
C
D

E
F

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6-3. Do-it-yourself maintenance

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

RC300

Fuse boxes (

P.267)

Battery (

P.253)

Engine oil level dipstick (

P.248)

Engine oil filler cap (

P.248)

Engine coolant reservoir (

P.250)

Brake fluid reservoir (

P.252)

Washer fluid tank (

P.254)

Electric cooling fans
Condenser (

P.252)

Intercooler radiator (

P.252)

Radiator (

P.252)

Intercooler coolant reservoir (

P.250)

With the engine at operating tempera-
ture and turned off, check the oil level
on the dipstick.

■

Checking the engine oil

Park the vehicle on level ground.
After warming up the engine and
turning it off, wait more than 5 min-
utes for the oil to drain back into the
bottom of the engine.

A
B
C
D

E
F

Checking and adding the engine
oil

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Holding a rag under the end, pull
the dipstick out.



RC350/RC300 AWD



RC300

Wipe the dipstick clean.

Reinsert the dipstick fully.

Holding a rag under the end, pull
the dipstick out and check the oil
level.

Low
Normal
Excessive

The shape of the dipstick may differ

depending on the type of vehicle or

engine.

Wipe the dipstick and reinsert it
fully.

■

Checking the oil type and prepar-
ing the item needed

Make sure to check the oil type and
prepare the items needed before add-
ing oil.
 Engine oil selection

P.317

 Oil quantity (Low

 Full)

1.6 qt. (1.5 L, 1.3 Imp. qt.)

 Item

Clean funnel

■

Adding engine oil

If the oil level is below or near the low
level mark, add engine oil of the same
type as that already in the engine.



RC350/RC300 AWD

A
B
C

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6-3. Do-it-yourself maintenance

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

RC300

Remove the oil filler cap by turning
it counterclockwise.

Add engine oil slowly, checking the
dipstick.

Install the oil filler cap by turning it
clockwise.

■

Engine oil consumption

A certain amount of engine oil will be con-

sumed while driving. In the following situa-

tions, oil consumption may increase, and

engine oil may need to be refilled in

between oil maintenance intervals.

●

When the engine is new, for example

directly after purchasing the vehicle or

after replacing the engine

●

If low quality oil or oil of an inappropriate

viscosity is used

●

When driving at high engine speeds or

with a heavy load, or when driving while

accelerating or decelerating frequently

●

When leaving the engine idling for a long

time, or when driving frequently through

heavy traffic

■

After changing the engine oil

The engine oil maintenance data should be

reset. Perform the following procedures:

Select

on the multi-information dis-

play. (

P.76)

Press the

meter control

switch on the steering wheel to select

“Vehicle Settings” then “Oil Mainte-
nance”. (To confirm setting, press

Select “Yes” and then press

A message is displayed on the

multi-information display.

The coolant level is satisfactory if it is
between the “FULL” and “LOW” lines

WARNING

■

Used engine oil

●

Used engine oil contains potentially

harmful contaminants which may

cause skin disorders such as inflamma-

tion and skin cancer, so care should be

taken to avoid prolonged and

repeated contact. To remove used

engine oil from your skin, wash thor-

oughly with soap and water.

●

Dispose of used oil and filters only in a

safe and acceptable manner. Do not

dispose of used oil and filters in house-

hold trash, in sewers or onto the

ground. Call your Lexus dealer, ser-

vice station or auto parts store for

information concerning recycling or

disposal.

●

Do not leave used engine oil within the

reach of children.

NOTICE

■

To prevent serious engine damage

Check the oil level on a regular basis.

■

When replacing the engine oil

●

Be careful not to spill engine oil on the

vehicle components.

●

Avoid overfilling, or the engine could

be damaged.

●

Check the oil level on the dipstick

every time you refill the vehicle.

●

Be sure the engine oil filler cap is prop-

erly tightened.

Checking the coolant

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