Lexus NX450H+ (2022 year). Manual in english - page 34

Extend the mirrors before driving.

●

Brushes used in automatic car washes may scratch the vehicle surface, parts
(wheel, etc.) and harm your vehicle’s paint.

●

Depending on the automatic car wash, the rear spoiler may become caught,
preventing it from being washed or causing damage to it.

●

When it is necessary to set the power switch to ACC with the shift position held
in N, refer to

P.198

Using a high pressure washer to wash the vehicle

NOTICE

●

When washing the vehicle, do not spray any of the cameras or their surrounding area
directly. The shock from high pressure water may cause a camera to malfunction.

●

Do not bring the tip of the nozzle close to connectors or the boots (rubber or resin
cover) of the following parts.
The parts may be damaged if sprayed by high-pressure water.

•

Drivetrain related parts

•

Steering parts

•

Suspension parts

•

Brake parts

●

Keep the tip of the nozzle at least 11.9 in. (30 cm) away from the vehicle body.
Otherwise resin parts, such as the moldings, bumpers, etc., may be deformed and
damaged. Also, do not continuously spray water on the same place.

●

Do not spray the lower part of the windshield continuously. If water enters the air
conditioning system intake located near the lower part of the windshield, the air
conditioning system may not operate correctly.

●

Do not wash the underside of the vehicle using a high pressure washer.

●

Do not use the washer on the area around the charging port lid. Water could get into
the AC charging inlet and could damage the vehicle.

When using a high pressure washer, as water may enter the cabin, do not bring the
tip of the nozzle near the gaps around the doors or perimeter of the windows, or
spray these areas continuously.

Cleaning the wheels and wheel ornaments

Perform the following:

●

Remove any dirt immediately using a neutral cleaning agent.

8-1. Exterior maintenance and care

560

●

Wash detergent off with water immediately after use.

●

To protect the finish from damage, make sure to observe the following precau-
tions.

•

Do not use acidic, alkaline or abrasive cleaners

•

Do not use hard brushes

•

Do not use detergent on the wheels when they are hot, such as after driving or
parking in hot weather

Cleaning the bumpers

WARNING

If the paint of the rear bumper is chipped or scratched, the following systems may not
function correctly. If this occurs, consult your Lexus dealer.

●

Lexus Safety System + 3

●

BSM

●

ARFHL (Automatic Rear Flashing Hazard Lights)

●

Safe Exit Assist (with door opening control)

●

RCTA

●

PKSB

Do not scrub with abrasive cleaners.

Cleaning and protecting the plated portions

If dirt cannot be removed, clean the parts as follows:

●

Use a soft cloth dampened with an approximately 5 % solution of neutral
detergent and water to clean the dirt off.

●

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

●

To remove oily deposits, use alcohol wet wipes or a similar product.

INFORMATION

■

Black stainless steel window moldings

The stainless steel window moldings are made of black oxide coated stainless steel.
When cleaning the vehicle, do not scrub the moldings with an abrasive cleaner as their
finish may be damaged or the color may change.

* :

If equipped

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561

Maintenance and car

Cleaning the exterior lights

NOTICE

●

Wash carefully. Do not use organic substances or scrub with a hard brush.
Doing so may damage the surface of the lights.

●

Do not apply wax to the lights.
Wax may damage the lenses.

Cleaning the windshield

WARNING

Move the wiper lever to the off position.
If the wiper lever is in the AUTO position, the wipers may operate unexpectedly in the
following situations, possibly leading serious injury from a hand being caught, or damage
to the wiper blades.

Off

AUTO

●

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

8-1. Exterior maintenance and care

562

INFORMATION

■

Front side windows water-repellent coating (vehicles with water-repellent coating)

●

The effectiveness of the water-repellent coating can be extended by paying attention
to the following.

•

Remove any dirt, etc., from the front side windows regularly.

•

Do not allow dirt and dust to accumulate on the windows.
If dirty, clean the windows with a soft, damp cloth as soon as possible.

•

Do not use wax or glass cleaners that contain abrasives when cleaning the win-
dows.

•

Do not use any metallic objects to remove condensation build up.

●

When the water-repellent performance has become insufficient, the coating can be
repaired.
Contact your Lexus dealer for details.

Waxing the vehicle

Wax the vehicle when the waterproof coating has deteriorated.
If water does not bead on a clean surface, apply wax when the vehicle body is cool.

8-1. Exterior maintenance and care

563

Maintenance and car

Cleaning and protecting the vehicle interior

Cleaning the vehicle interior

WARNING

■

Water in the vehicle

●

Do not splash or spill liquid in the vehicle, such as on the floor, in DC/DC converter
air intake vent, junction box and in the luggage compartment. Doing so may cause
DC/DC converter, electrical components, etc., to malfunction or catch fire.

●

Do not get any of the SRS components or wiring in the vehicle interior wet.
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 wax polish or a polishing cleaner on the instrument panel. 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 solvents

●

Do not use the following cleaning solvents, as they may discolor the vehicle interior or
cause streaks or damage to painted surfaces:

•

Areas other than the seats: Organic substances such as benzine or gasoline,
alkaline or acidic solutions, dye, and bleach

•

Seats: thinner, benzine, alcohol, or alkaline or acidic solutions

●

Do not use wax polish or a polishing cleaner. The painted surfaces of the instrument
panel or other interior parts may be damaged.

■

Water on the floor

Do not wash the vehicle floor with water.
If water contacts audio system or other electrical components under the floor carpet, it
may cause the vehicle to malfunction. Water may also cause the body to rust.

■

When cleaning the inside of the windshield

Do not allow glass cleaner to contact the lens of the front camera. Also, do not touch the
lens.

■

Cleaning the inside of the windshield and rear window

●

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

8-2. Cleaning and protecting the vehicle interior

564

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

●

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.

INFORMATION

■

Shampooing the carpets

Excellent results can be obtained by keeping the carpet as dry as possible. When
cleaning, use a commercially available foaming-type cleaner.
Use a sponge or brush to apply the foam and rub it in overlapping circles. Do not use
water. Wipe the surface to remove the cleaner and dirt and let it dry.

■

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.

8-2. Cleaning and protecting the vehicle interior

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Maintenance and car

Cleaning the areas with satin-finish metal accents

●

Remove dirt using a water-dampened soft cloth or synthetic chamois.

●

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

INFORMATION

■

Cleaning the areas with satin-finish metal accents

The metal areas use a layer of real metal for the surface. It is necessary to clean them
regularly. If dirty areas are left uncleaned for long periods of time, they may be difficult
to clean.

8-2. Cleaning and protecting the vehicle interior

566

Cleaning the leather areas

NOTICE

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.

●

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 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.

INFORMATION

■

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.

8-2. Cleaning and protecting the vehicle interior

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Maintenance and car

Cleaning the synthetic leather areas

●

Remove dirt and dust using a vacuum cleaner.

●

Wipe it off with a soft cloth dampened with neutral detergent diluted to approxi-
mately 1%.

●

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

8-2. Cleaning and protecting the vehicle interior

568

Cleaning DC/DC converter air intake vent

INFORMATION

■

Scheduled maintenance of the air intake vent is necessary when

■

Cleaning the DC/DC converter air intake vent

Check the following regarding cleaning of the air intake vent.

●

Dust in the air intake vent may interfere with the cooling of the DC/DC converter.
If the cooling performance/capacity of the DC/DC converter becomes limited, the
12-volt battery may discharge. Inspect and clean the air intake vent periodically.

●

Improper handling of the air intake vent cover and filter may result in damage to them.
If you have any concerns about cleaning the filter, contact your Lexus dealer.

Cleaning the DC/DC converter air intake vent and filter

WARNING

When cleaning the air intake vent, observe the following:

●

Do not use water or other liquids to clean the air intake vent. If water is applied to the
DC/DC converter or other components, a malfunction or fire may occur.

●

Before cleaning the air intake vent, make sure to turn the power switch off to stop the
hybrid system.

NOTICE

To prevent malfunction of the DC/DC converter or vehicle, make sure to observe the
following precautions.

●

When cleaning the air intake vent, make sure to only use a vacuum to suck out dust
and clogs.
If a compressed air blow gun, etc. is used to blow out dust and clogs, the dust or
clogs may be pushed into the air intake vent, which may affect the performance of the
DC/DC converter and cause a malfunction.

8-2. Cleaning and protecting the vehicle interior

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Maintenance and car

NOTICE

●

Do not allow liquid or foreign matter to enter the air intake vent when the cover is
removed.

●

Carefully handle the removed filter so that it will not be damaged.
If the filter is damaged, have it replaced with a new filter by your Lexus dealer.

●

Make sure to reinstall the filter and cover to their original positions after cleaning.

●

Do not install anything to the air intake vent other than the exclusive filter for this
vehicle or use the vehicle without the filter installed.

Remove the dust from the vent and filter with
a vacuum cleaner.

Make sure to only use a vacuum to suck out dust
and clogs. Attempting to blow out dust and clogs
using an airgun, etc. may push it into the air intake
vent.

If dust and clogs cannot be completely removed with the air intake vent cover
installed, remove the cover and clean the filter.

Turn the power switch off.

Using a phillips-head screwdriver, remove the
clip.

8-2. Cleaning and protecting the vehicle interior

570

Pull the cover as shown in the illustration to
disengage the 8 claws, starting from the claw
in the upper right corner and pull the cover
toward the front of the vehicle to remove it.

Disengage the 4 center claws from the filter.

Disengage the claws in the order of and

to remove the filter from the cover.

Remove the dust and clogs from the filter
using a vacuum cleaner, etc.

Make sure to also remove the dust and clogs from
the inner side of the air intake vent cover.

Engage the claws in the order of and .

8-2. Cleaning and protecting the vehicle interior

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Maintenance and car

Engage the 4 claws of the air intake vent
cover to install the filter.

Make sure that the filter is not crooked or de-
formed when installing it.

Insert the tab of the cover as shown in the
illustration and push the cover to engage the
8 claws.

Using a phillips-head screwdriver, install the
clip.

INFORMATION

After cleaning the air intake vent, start the hybrid system and check that the warning
message is no longer shown. It may take approximately 20 minutes after the hybrid
system is started until the warning message disappears. If the warning message does
not disappear, have the vehicle inspected by your Lexus dealer.

8-2. Cleaning and protecting the vehicle interior

572

Maintenance

Maintenance requirements

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

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 12-volt battery

●

Engine exhaust, some of its constituents, 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 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.

INFORMATION

■

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 performed by a Lexus dealer

●

Lexus technicians are well-trained specialists and are kept up to date with the latest
service information. They are well informed about the operation of all systems on your
vehicle.

●

Keep a copy of the repair order. It proves that the maintenance that has been
performed is under warranty coverage. If any problem should arise while your vehicle
is under warranty, your Lexus dealer will promptly take care of it.

8-3. Maintenance

573

Maintenance and car

Scheduled maintenance outline

Resetting the message indicating maintenance is required

After the required maintenance is preformed according to the maintenance
schedule, the message must be reset. To reset the message, perform the following
procedure:

Select the

on the center display.

Select [Vehicle customize].

Select [Utility].

Select [Scheduled maintenance].

Select [Reset].

"The data has been reset" will be displayed on the center display when the reset
procedure has been completed.

Resetting the engine oil change message

After the engine oil has been replaced, the engine oil maintenance data should be
reset. Peform the following procedure:

Select the

on the center display.

Select [Vehicle customize].

Select [Utility].

Select [Oil maintenance].

Select [Reset].

"The data has been reset." will be displayed on the center display when the reset
procedure has been completed.

8-3. Maintenance

574

Do-it-yourself maintenance

8-3. Maintenance

575

Maintenance and car

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