LEXUS RC 300 (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:
1
Select
on the multi-information dis-
play. (
P.76)
2
Press the
or
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 .)
3
Select “Yes” and then press
.
4
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.
240
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
242
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
RC350AWD_RC350_RC300AWD_RC30
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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.
245
6-3. Do-it-yourself maintenance
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1
Pull the hood lock release lever.
The hood will pop up slightly.
2
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
246
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
G
H
I
J
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6-3. Do-it-yourself maintenance
RC350AWD_RC350_RC300AWD_RC30
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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
1
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
G
H
I
J
K
L
Checking and adding the engine
oil
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2
Holding a rag under the end, pull
the dipstick out.
RC350/RC300 AWD
RC300
3
Wipe the dipstick clean.
4
Reinsert the dipstick fully.
5
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.
6
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
1
Remove the oil filler cap by turning
it counterclockwise.
2
Add engine oil slowly, checking the
dipstick.
3
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:
1
Select
on the multi-information dis-
play. (
P.76)
2
Press the
or
meter control
switch on the steering wheel to select
“Vehicle Settings” then “Oil Mainte-
nance”. (To confirm setting, press
.)
3
Select “Yes” and then press
.
4
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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