LEXUS IS 300 (2019 year). Instruction

456

7-1. Maintenance and care

IS350 AWD/IS350/IS300 AWD/IS300_U

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 pipe
Exhaust gases 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 hot exhaust pipe 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 your Lexus dealer.

Set the wipers to the intermittent windshield

wipers. (

P. 213)

If AUTO mode is selected, the wipers may

operate unexpectedly in the following situa-

tions, and may result in hands being caught or

other serious injuries and cause damage to the

wiper blades.

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IS350 AWD/IS350/IS300 AWD/IS300_U

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 with 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 gasoline 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 substances 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 (vehicles with rain-sensing windshield wipers)
Set the wipers to the intermittent windshield wipers. (

P. 213)

If AUTO mode is selected, the wipers may operate and the wiper blades may be dam-

aged.

■

When using a high pressure car wash
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

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7-1. Maintenance and care

IS350 AWD/IS350/IS300 AWD/IS300_U

●

Remove dirt and dust using a vacuum cleaner. Wipe dirty surfaces with a cloth
dampened with lukewarm water.

●

If dirt cannot be removed, wipe it off with a soft cloth dampened 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.

●

Remove dirt using a soft cloth or synthetic chamois dampened in a baking
soda (sodium bicarbonate) solution.

Use a solution of approximately 9% baking soda dissolved in water.

●

Wipe the surface with a dry, soft cloth to remove any remaining moisture.

●

Remove dirt and dust using a vacuum cleaner.

●

Wipe off any excess dirt and dust with a soft cloth dampened with diluted
detergent.

Use a diluted water solution of approximately 5% neutral wool detergent.

●

Wring out any excess water from the cloth and thoroughly wipe off all remain-
ing 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.

●

Remove dirt and dust using a vacuum cleaner.

●

Wipe it off with a soft cloth dampened 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 and protecting the vehicle interior

The following procedures will help protect your vehicle’s interior and keep it
in top condition:

Protecting the vehicle interior

Cleaning the areas with satin-finish metal accents

Cleaning the leather areas

Cleaning the synthetic leather areas

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7-1. Maintenance and care

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IS350 AWD/IS350/IS300 AWD/IS300_U

■

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.

■

Shampooing the carpets
There are several commercial foaming-type cleaners available. Use a sponge or brush to

apply the foam. Rub in overlapping circles. Do not use water. Wipe dirty surfaces and let

them dry. Excellent results are obtained by keeping the carpet as dry as possible.

■

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.

WARNING

■

Water in the vehicle

●

Do not splash or spill liquid in the vehicle.

Doing so may cause electrical components etc. to malfunction or catch fire.

●

Do not get any of the SRS components or wiring in the vehicle interior wet.

(

P. 37)

An electrical malfunction may cause the airbags to deploy or not function properly,

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 wind-

shield, obstructing the driver’s view and leading to an accident, resulting in death or

serious injury.

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7-1. Maintenance and care

IS350 AWD/IS350/IS300 AWD/IS300_U

NOTICE

■

Cleaning detergents

●

Do not use the following liquids, as they may discolor the vehicle interior or cause

streaks or damage to painted surfaces:
• Audio system screen: Organic substances such as benzine or gasoline, alkaline

solutions, and alcohol

• Seats: Alkaline solutions, organic substances such as thinner or benzine, and alco-

hol

• 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 surfaces
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, especially during summer.

●

Do not place items made of vinyl, plastic, or containing wax on the upholstery, 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 windshield
Do not allow glass cleaner to contact the lens. Also, do not touch the lens. (

P. 224)

■

Cleaning the inside of the rear window

●

Do not use glass cleaner to clean the rear window, as this may cause damage to the

rear window defogger heater wires or antenna. Use a cloth dampened with luke-

warm 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.

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IS350 AWD/IS350/IS300 AWD/IS300_U

Main

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7-2. Maintenance

General maintenance should be performed 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 schedule.

For details about maintenance items and schedules, refer to the “Warranty and Ser-

vice Guide”, “Owner’s Manual Supplement” or “Scheduled Maintenance”.

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

The use of Lexus repair manuals is recommended.
For details about warranty coverage, refer to the separate “Owner’s Guide”, “War-

ranty and Service Guide”, “Owner’s Manual Supplement” or “Warranty Booklet”.

Maintenance requirements

To ensure safe and economical driving, day-to-day care and regular mainte-
nance are essential. It is the owner’s responsibility to perform regular checks.
Lexus recommends the following maintenance:

General maintenance

Scheduled maintenance

Do-it-yourself maintenance

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7-2. Maintenance

IS350 AWD/IS350/IS300 AWD/IS300_U

■

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 maintenance is required
After the required maintenance 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. 103)

Press the

meter control switch on the steering wheel to select “Vehicle

Settings” then “Scheduled Maintenance”. (To confirm setting, press

Select “Yes” and then press

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 operations 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 coverage. If any problem should arise while your vehicle is

under warranty, your Lexus dealer will promptly take care of it.

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7-2. Maintenance

Main

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IS350 AWD/IS350/IS300 AWD/IS300_U

WARNING

■

If your vehicle is not properly maintained
Improper maintenance could result in serious damage to the vehicle and possible

death or serious injury.

■

Handling of the battery

●

Engine exhaust, some of its constituents, and a wide variety of automobile compo-

nents 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 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.

●

Battery posts, terminals and related accessories contain lead and lead compounds

which are known to cause brain damage. Wash your hands after handling. (

P. 482)

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7-2. Maintenance

IS350 AWD/IS350/IS300 AWD/IS300_U

General maintenance

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

Engine compartment

Items

Check points

Battery

Check the connections.

(

P. 482)

Brake fluid

Is the brake fluid at the correct level?

(

P. 481)

Engine/intercooler coolant

Is the engine/intercooler coolant at the correct level?

(

P. 478)

Engine oil

Is the engine oil at the correct level?

(

P. 475)

Exhaust system

There should not be any fumes or strange sounds.

Radiator, condenser and

intercooler radiator

The radiator and condenser should be free from for-

eign objects.

(

P. 480)

Washer fluid

Is there sufficient washer fluid?

(

P. 484)

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IS350 AWD/IS350/IS300 AWD/IS300_U

Vehicle interior

Items

Check points

Accelerator pedal

• The accelerator pedal should move smoothly (with-

out uneven pedal effort or catching).

Automatic transmission

“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 appropriate clearance

from the floor?

(

P. 594)

• Does the brake pedal have the correct amount of

free play?

(

P. 594)

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/buzzers

• Do the indicators and buzzers function properly?

Lights

• Do all the lights come on?

Parking brake

• Moves smoothly?

• When parked on a slope and the parking brake is on,

is the vehicle securely stopped?

Seat belts

• Do the seat belts operate smoothly?

• The seat belts should not be damaged.

Seats

• Do the seat controls operate properly?

Steering wheel

• Does the steering wheel rotate smoothly?

• Does the steering wheel have the correct amount of

free play?

• There should not be any strange sounds coming

from the steering wheel.

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7-2. Maintenance

IS350 AWD/IS350/IS300 AWD/IS300_U

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.

Tires

• 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

• The wiper blades should not show any signs of crack-

ing, splitting, wear, contamination or deformation.

• The wiper blades should clear the windshield without

streaking or skipping.

WARNING

■

If the engine is running
Turn the engine off and ensure that there is adequate ventilation before performing

maintenance checks.

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7-2. Maintenance

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IS350 AWD/IS350/IS300 AWD/IS300_U

The OBD system determines that a problem exists somewhere in the emission
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 ordinary driving are erased.
Also, depending on your driving habits, the readiness codes may not be com-
pletely 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)
programs

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

If the malfunction indicator lamp comes on

Your vehicle may not pass the I/M test in the following situations:

When the malfunction indicator lamp still remains on after several driv-
ing trips

If your vehicle does not pass the I/M test

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IS350 AWD/IS350/IS300 AWD/IS300_U

7-3. Do-it-yourself maintenance

Do-it-yourself service precautions

If you perform maintenance by yourself, be sure to follow the correct proce-
dure as given in these sections.

Items

Parts and tools

Battery condition

(

P. 482)

• Warm water

• Baking soda

• Grease

• Conventional wrench (for terminal clamp bolts)

Brake fluid level

(

P. 481)

• SAE J1703 or FMVSS No.116 DOT 3 brake fluid
• Rag or paper towel
• Funnel (used only for adding brake fluid)

Engine/intercooler

coolant level

(

P. 478)

• “Toyota Super Long Life Coolant” or a similar high quality

ethylene glycol-based non-silicate, non-amine, non-nitrite

and non-borate coolant with long-life hybrid organic acid

technology
For the U.S.A.:

“Toyota 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. 475)

• “Toyota Genuine Motor Oil” or equivalent
• Rag or paper towel
• Funnel (used only for adding engine oil)

Fuses

(

P. 504)

• Fuse with same amperage rating as original

Light bulbs

(

P. 507)

• Bulb with same number and wattage rating as original
• Phillips-head screwdriver

• Flathead screwdriver

• Wrench

Radiator, condenser

and intercooler radi-

ator (

P. 480)



Tire inflation pres-

sure (

P. 495)

• Tire pressure gauge

• Compressed air source

Washer fluid

(

P. 484)

• Water or washer fluid containing antifreeze (for winter use)
• Funnel (used only for adding water or washer fluid)

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7-3. Do-it-yourself maintenance

Main

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IS350 AWD/IS350/IS300 AWD/IS300_U

WARNING

The engine compartment contains many mechanisms and fluids that may move suddenly,

become hot, or become electrically energized. To avoid death or serious injury, observe

the following precautions.

■

When working on the engine compartment

●

Keep hands, clothing and tools away from the moving fan 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.

●

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 corro-

sive sulfuric acid.

■

When working near the electric cooling fans or radiator grille
Be sure the engine switch is off.

With the engine switch in IGNITION ON mode, the electric cooling fans may auto-

matically start to run if the air conditioning is on and/or the coolant temperature is high.

(

P. 480)

■

Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc. from getting 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.

470

7-3. Do-it-yourself maintenance

IS350 AWD/IS350/IS300 AWD/IS300_U

Pull the hood lock release lever.

The hood will pop up slightly.

Pull up the auxiliary catch lever and
lift the hood.

Hood

Release the lock from the inside of the vehicle to open 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.

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7-3. Do-it-yourself maintenance

Main

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IS350 AWD/IS350/IS300 AWD/IS300_U

◆

Front

2WD models
AWD models

Positioning a floor jack

When using a floor jack, follow the instructions in the manual provided with
the jack and perform the operation safely.
When raising your vehicle with a floor jack, position the jack correctly.
Improper placement may damage your vehicle or cause injury.

LEXUS IS 300 (2019 year). Instruction - part 29