Lexus NX350 (2024 year). Manual in english

Screwdriver

Emergency tire puncture repair kit details/name of each part

WARNING

■

Precautions for handling the emergency tire puncture repair kit

●

The emergency tire puncture repair kit is made exclusively for your vehicle. Do not use
it on other vehicles.

●

Do not use the emergency tire puncture repair kit for tires that are a different size than
the specified ones or for any other purpose.
Doing so may cause the tires to not be repaired properly.

■

Precautions for use of the sealant

●

Ingesting the sealant is hazardous to your health. If you ingest sealant, consume as
much water as possible, then immediately consult a doctor.

●

If sealant gets in eyes or adheres to skin, immediately wash it off with water. If
discomfort persists, consult a doctor.

■

Emergency tire puncture repair kit (type A)

▶

Bottle

Hose

Air release cap

Sticker

▶

Compressor

Power plug

Rubber stopper

Air pressure gauge

Compressor switch

9-4. If a tire is flat

600

■

Emergency tire puncture repair kit (type B)

▶

Bottle

Sticker

▶

Compressor

Air pressure gauge

Compressor switch

Power plug

Hose

Air release cap

INFORMATION

■

Handling the emergency tire puncture repair kit/sealant

●

The emergency tire puncture repair kit is designed to inflate vehicle tires.

●

Do not use to check or to adjust the tire pressure.

●

The kit is exclusively designed for size and type of tires originally installed on your
vehicle. Do not use it for tires that a different size than the original ones, or for any
other purposes.

●

The sealant stored in the emergency tire puncture repair kit can be used only once to
temporarily repair a single tire.
If the sealant in the bottle and other parts of the kit have been used and need to be
replaced, contact your Lexus dealer.

●

The sealant can be used when the outside temperature is from -40°F (-40°C) to
140°F (60°C).

9-4. If a tire is flat

601

When tr

ouble arises

●

If the sealant gets on your clothes, it may stain.

●

If the sealant adheres to a wheel or the surface of the vehicle body, the stain may not
be removable if it is not cleaned at once. Immediately wipe away the sealant with a wet
cloth.

●

The compressor can be used repeatedly.

●

During operation of the kit, a loud operation noise is produced. This does not indicate
a malfunction.

■

Checking the sealant

The sealant has a limited lifespan. Check the sealant expiration date occasionally.
The expiration date is printed on the bottle.
The sealant should be replaced before the expiry date. Contact your Lexus dealer.
Do not use sealant whose expiry date has already passed. Otherwise, repairs conducted
using the emergency tire puncture repair kit may not be performed properly.

■

When disposing of the liquid sealant

The liquid sealant contains materials which are harmful to the environment. When
disposing of liquid sealant or a liquid sealant bottle, contact your Lexus dealer or contact
your local government for information on the appropriate authorized waste disposal
method.

Taking out the emergency tire puncture repair kit

Remove the deck board.

Take out the emergency tire puncture repair kit.

Repairing a flat tire (type A)

WARNING

Observe the following when repairing a flat tire.

●

Stop your vehicle in a safe and flat area.

●

Do not touch the wheels or the area around the brakes immediately after the vehicle
has been driven.

9-4. If a tire is flat

602

WARNING

After the vehicle has been driven, the wheels and the area around the brakes may be
extremely hot. Touching these areas with hands, feet or other body parts may result in
burns.

●

Perform repairs according to the specified procedure.
If the procedure is not followed, the tire sealant may spray.

NOTICE

■

Precautions for repairing a flat tire

●

Perform the emergency repair without removing the nail or screw that has punctured
the tread of the tire. If the object that has punctured the tire is removed, repair by the
emergency tire puncture repair kit may not be possible.

●

The kit is not waterproof. Make sure that the kit is not exposed to water, such as when it
is being used in the rain.

●

Do not put the kit directly onto dusty ground such as sand at the side of the road. If the
kit vacuums up dust, etc., a malfunction may occur.

●

Make sure to stand the kit with the bottle vertical. The kit cannot work properly if it is
laid on its side.

■

Handling the emergency tire puncture repair kit

●

The compressor power source should be 12 V DC suitable for vehicle use. Do not
connect the compressor to any other source.

●

Take care not to allow gasoline to contact the emergency tire puncture repair kit. If
gasoline splatters on the kit, it may deteriorate.

●

Place the repair kit in a storage to prevent it from being exposed to dirt or water.

●

Store the kit in its assigned place out of reach of children.

●

Do not disassemble or modify the kit. Do not subject parts such as the air pressure
indicator to impacts. This may cause a malfunction.

■

To avoid damage to the tire pressure warning valves and transmitters

When a tire is repaired with liquid sealants, the tire pressure warning valve and transmit-
ter may not operate properly. If a liquid sealant is used, contact your Lexus dealer as soon
as possible. After use of liquid sealant, make sure to replace the tire pressure warning
valve and transmitter when repairing or replacing the tire.

Take out the emergency tire puncture repair kit.

Remove the valve cap from the valve of the punctured tire.

9-4. If a tire is flat

603

When tr

ouble arises

Extend the hose. Remove the air release cap from the hose.

Attach the sticker enclosed with the bottle on the specified locations.(See step

The air release cap may be used later. Therefore keep it in a safe place.

Connect the hose to the valve of the flat tire.

Screw the end of hose clockwise as far as possible.

WARNING

Check the following.

●

Make sure that the valve and hose are securely connected, with the tire installed
on the vehicle.

●

If the hose is not properly connected to the valve, air leakage may occur or sealant
may be sprayed out.

9-4. If a tire is flat

604

WARNING

●

If the hose comes off the valve while inflating the tire, there is a risk that the hose
will move abruptly due to air pressure.

Make sure that the compressor switch is off.

Lift the rubber stopper on the compressor.

Remove the power plug from the compressor.

Connect the power plug to the power outlet socket.

9-4. If a tire is flat

605

When tr

ouble arises

Canada

WARNING

Do not attach the vehicle speed warning sticker to an area other than the one
indicated. If the sticker is attached to an area where an SRS airbag is located, such as
the pad of the steering wheel, it may prevent the SRS airbag from operating properly.

Check the specified tire inflation pressure.

Tire inflation pressure is specified on the label as shown.

Start the engine.

To inject the sealant and inflate the tire, turn the compressor switch on.

WARNING

Observe the following precautions.

●

Keep back from the tire while it is being repaired, as there is a chance of it
bursting while the repair operation is being performed. If you notice any cracks
or deformation in the tire, turn off the compressor switch and stop the repair
operation immediately.

●

Do not operate the compressor continuously for more than 40 minutes. The kit
may overheat if operated for a long period of time.

●

Parts of the emergency tire puncture repair kit become hot during operation. Be
careful when handling it during and after operation.

9-4. If a tire is flat

607

When tr

ouble arises

WARNING

●

Do not touch the metal connecting parts of the bottle and compressor while being
used or immediately after, as they will be extremely hot.

Inflate the tire until the specified pressure is reached.

The sealant will be injected and the pressure will spike to between 44 psi (300
kPa, 3.0 kgf/cm

or bar) and 58 psi (400 kPa, 4.0 kgf/cm

or bar), then gradually

decrease.

The air pressure gauge will display the actual tire inflation pressure about 1 to 5
minutes after the switch is turned on.

●

Turn the compressor switch off and then check the tire inflation pressure. Being
careful not to over inflate, check and repeat the inflation procedure until the
specified tire inflation pressure is reached.

●

The tire can be inflated for about 5 to 20 minutes (depending on the outside
temperature). If the tire inflation pressure is still lower than the specified point
after inflation for 25 minutes, the tire is too damaged to be repaired. Turn the
compressor switch off and contact your Lexus dealer.
If the tire inflation pressure exceeds the specified level, let out some air to adjust
the tire inflation pressure.(

→

P.611)

With the compressor switch off, disconnect the hose from the valve on the tire
and then pull out the power plug from the power outlet socket.

Some sealant may leak when the hose is removed.

9-4. If a tire is flat

608

WARNING

After inflation of the tire has completed, the sealant may splatter when the hose is
disconnected or some air is let out of the tire.

Install the valve cap onto the valve of the emergency repaired tire.

Attach the air release cap to the end of the hose.

If the air release cap is not attached, the sealant may leak and dirty the interior of the
vehicle or ones clothes.

Temporarily store the bottle in the luggage compartment while it is connected
to the compressor.

To spread the liquid sealant evenly within the tire, immediately drive safety for
about 3 miles (5 km) below 50 mph (80 km/h).

WARNING

Observe the following precautions when driving to spread the sealant evenly.

●

Drive the vehicle carefully at a low speed. Be especially careful when turning and
cornering.

●

If the vehicle does not drive straight or you feel a pull through the steering wheel,
stop the vehicle and check the following:

•

Tire condition. The tire may have separated from the wheel.

•

Tire inflation pressure. If the tire inflation pressure is 19 psi (130 kPa, 1.3 kgf/cm

or bar) or below, this may indicate severe tire damage.

After driving, stop your vehicle in a safe place on a hard, flat surface and
reconnect the emergency tire puncture repair kit.

Remove the air release cap from the hose before reconnecting the hose.

9-4. If a tire is flat

609

When tr

ouble arises

Turn the compressor switch on and wait for several seconds, then turn it off.
Check the tire inflation pressure.

If the tire inflation pressure is below 19 psi (130 kPa, 1.3 kgf/cm

or bar): The

puncture cannot be repaired. Contact your Lexus dealer.

If the tire inflation pressure is between 19 psi (130 kPa, 1.3 kgf/cm

or bar) and a

point below the specified level: The tire can be repaired. Proceed to step

If the tire inflation pressure is at the specified level: Proceed to step

Even if the tire inflation pressure is at the recommended level, the tire pressure
warning light may come on/flash.

Turn the compressor switch on to inflate the tire until the specified tire inflation
pressure is reached. Drive for about 3 miles (5 km) and then perform step

Attach the air release cap to the end of the hose.

If the air release cap is not attached, the sealant may leak and dirty the interior of the
vehicle or ones clothes.

9-4. If a tire is flat

610

Store the bottle in the luggage compartment while it is connected to the
compressor.

Taking precautions to avoid sudden braking, sudden acceleration and sharp
turns, drive carefully at under 50 mph (80 km/h) to your Lexus dealer that is
less than 62 miles (100 km) away for tire repair or replacement.

When having the tire repaired or replaced, make sure to tell the Lexus dealer that the
sealant is injected.
After using the emergency tire puncture repair kit, have the vehicle inspected and the
tire pressure warning valve and transmitter replaced by your Lexus dealer. Otherwise
the tire inflation pressure may not be able to be measured correctly.

Related Links

Function and operation of the power outlet (12 VDC)(P. 277)
Checking the specified tire inflation pressure(P. 544)

Decreasing the tire inflation pressure when a tire is overinflated

Disconnect the hose from the valve.

Install the air release cap to the end of the hose and push the protrusion on the
air release cap into the valve to let some air out.

Disconnect the hose from the valve, remove the air release cap from the hose
and then reconnect the hose.

Turn the compressor switch on for a few seconds and then turn it off and check
the tire inflation pressure.

If the air pressure is lower than the specified level, turn the compressor switch on again
and repeat the inflation procedure until the specified pressure is reached.

Repairing a flat tire (type B)

WARNING

Observe the following when repairing a flat tire.

●

Stop your vehicle in a safe and flat area.

9-4. If a tire is flat

611

When tr

ouble arises

WARNING

●

Do not touch the wheels or the area around the brakes immediately after the vehicle
has been driven.
After the vehicle has been driven, the wheels and the area around the brakes may be
extremely hot. Touching these areas with hands, feet or other body parts may result in
burns.

●

Perform repairs according to the specified procedure.
If the procedure is not followed, the tire sealant may spray.

NOTICE

■

Precautions for repairing a flat tire

●

The kit is not waterproof. Make sure that the kit is not exposed to water, such as when it
is being used in the rain.

●

Do not put the kit directly onto dusty ground such as sand at the side of the road. If the
kit vacuums up dust, etc., a malfunction may occur.

●

Make sure to stand the kit with the bottle vertical. The kit cannot work properly if it is
laid on its side.

■

Handling the emergency tire puncture repair kit

●

The compressor power source should be 12 V DC suitable for vehicle use. Do not
connect the compressor to any other source.

●

Take care not to allow gasoline to contact the emergency tire puncture repair kit. If
gasoline splatters on the kit, it may deteriorate.

●

Place the repair kit in a storage to prevent it from being exposed to dirt or water.

●

Store the kit in its assigned place out of reach of children.

●

Do not disassemble or modify the kit. Do not subject parts such as the air pressure
indicator to impacts. This may cause a malfunction.

■

To avoid damage to the tire pressure warning valves and transmitters

Take out the emergency tire puncture repair kit.

9-4. If a tire is flat

612

The sticker enclosed with the bottle will be attached at a specified location. (See step

Pull out the hose and power plug from the
compressor.

Connect the bottle to the compressor.

Insert the bottle straight into the compressor to
connect it, and make sure that the claws are se-
curely engaged to the compressor as shown in the
illustration.

Connect the hose to the bottle.

Make sure that the hose is securely connected to
the bottle, as shown in the illustration.

9-4. If a tire is flat

613

When tr

ouble arises

Remove the valve cap from the valve of the
flat tire.

Extend the hose. Remove the air release cap
from the hose.

The air release cap may be used later. Therefore
keep it in a safe place.

Connect the hose to the valve of the flat tire.

Screw the end of hose clockwise as far as possi-
ble.

WARNING

Check the following.

●

Make sure that the valve and hose are securely connected, with the tire installed
on the vehicle.

●

If the hose is not properly connected to the valve, air leakage may occur or sealant
may be sprayed out.

●

If the hose comes off the valve while inflating the tire, there is a risk that the hose
will move abruptly due to air pressure.

Make sure that the compressor switch is off.

9-4. If a tire is flat

614

Connect the power plug to the power outlet
socket.

Attach the sticker provided with the tire
puncture repair kit to a position easily seen
from the driver’s seat.

WARNING

Check the specified tire inflation pressure.

Tire inflation pressure is specified on the label as shown.

Start the engine.

U.S.A.

Canada

9-4. If a tire is flat

615

When tr

ouble arises

To inject the sealant and inflate the tire, turn
the compressor switch on.

WARNING

Observe the following precautions.

●

Do not operate the compressor continuously for more than 40 minutes. The kit
may overheat if operated for a long period of time.

●

Parts of the emergency tire puncture repair kit become hot during operation. Be
careful when handling it during and after operation.

●

Do not touch the metal connecting parts of the bottle and compressor while being
used or immediately after, as they will be extremely hot.

Inflate the tire until the specified pressure is reached.

The sealant will be injected and the pressure will
spike to between 44 psi (300 kPa, 3.0 kgf/cm

or bar) and 58 psi (400 kPa, 4.0 kgf/cm

bar), then gradually decrease.

The air pressure gauge will display the actual tire
inflation pressure about 1 to 5 minutes after the
switch is turned on.

●

Turn the compressor switch off and then
check the tire inflation pressure. Being careful
not to over inflate, check and repeat the infla-
tion procedure until the specified tire inflation
pressure is reached.

●

The tire can be inflated for about 5 to 20
minutes (depending on the outside tempera-
ture). If the tire inflation pressure is still low-
er than the specified point after inflation for
25 minutes, the tire is too damaged to be
repaired. Turn the compressor switch off and
contact your Lexus dealer.

9-4. If a tire is flat

616

If the tire inflation pressure exceeds the speci-
fied level, let out some air to adjust the tire
inflation pressure.(

→

P.619)

Make sure that the compressor switch is off and then disconnect the power
plug from the power outlet and the hose from the valve of the tire.

Some sealant may leak when the hose is removed.

WARNING

After inflation of the tire has completed, the sealant may splatter when the hose is
disconnected or some air is let out of the tire.

Install the valve cap onto the valve of the emergency repaired tire.

Attach the air release cap to the end of the
hose.

If the air release cap is not attached, the sealant
may leak and dirty the interior of the vehicle or
ones clothes.

Temporarily store the bottle in the luggage compartment while it is connected
to the compressor.

To spread the liquid sealant evenly within the tire, immediately drive safety for
about 3 miles (5 km) below 50 mph (80 km/h).

WARNING

Observe the following precautions when driving to spread the sealant evenly.

●

Drive the vehicle carefully at a low speed. Be especially careful when turning and
cornering.

●

If the vehicle does not drive straight or you feel a pull through the steering wheel,
stop the vehicle and check the following:

•

Tire condition. The tire may have separated from the wheel.

•

Tire inflation pressure. If the tire inflation pressure is 19 psi (130 kPa, 1.3 kgf/cm

or bar) or below, this may indicate severe tire damage.

9-4. If a tire is flat

617

When tr

ouble arises

After driving, stop your vehicle in a safe place
on a hard, flat surface and reconnect the
emergency tire puncture repair kit.

Remove the air release cap from the hose before
reconnecting the hose.

Turn the compressor switch on and wait for several seconds, then turn it off.
Check the tire inflation pressure.

If the tire inflation pressure is below 19 psi (130
kPa, 1.3 kgf/cm

or bar): The puncture cannot

be repaired. Contact your Lexus dealer.

If the tire inflation pressure is between 19 psi
(130 kPa, 1.3 kgf/cm

or bar) and a point below

the specified level: The tire can be repaired.
Proceed to step

If the tire inflation pressure is at the specified
level: Proceed to step

Even if the tire inflation pressure is at the rec-
ommended level, the tire pressure warning light
may come on/flash.

Turn the compressor switch on to inflate the tire until the specified tire inflation
pressure is reached. Drive for about 3 miles (5 km) and then perform step

Attach the air release cap to the end of the
hose.

If the air release cap is not attached, the sealant
may leak and dirty the interior of the vehicle or
ones clothes.

Store the bottle in the luggage compartment while it is connected to the
compressor.

When having the tire repaired or replaced, make sure to tell the Lexus dealer that the
sealant is injected.

9-4. If a tire is flat

618

After using the emergency tire puncture repair kit, have the vehicle inspected and the
tire pressure warning valve and transmitter replaced by your Lexus dealer. Otherwise
the tire inflation pressure may not be able to be measured correctly.

Decreasing the tire inflation pressure when a tire is overinflated

Disconnect the hose from the valve.

Install the air release cap to the end of the
hose and push the protrusion on the air re-
lease cap into the valve to let some air out.

Disconnect the hose from the valve, remove the air release cap from the hose
and then reconnect the hose.

Turn the compressor switch on for a few seconds and then turn it off and check
the tire inflation pressure.

If the air pressure is lower than the specified level, turn the compressor switch on again
and repeat the inflation procedure until the specified pressure is reached.

9-4. If a tire is flat

619

When tr

ouble arises

Replacing a tire with a spare tire (vehicles with a spare tire)

Your vehicle is equipped with a spare tire. The flat tire can be replaced with the
spare tire.

WARNING

Do not continue driving with a flat tire.
Driving even a short distance with a flat tire can damage the tire and the wheel beyond
repair, which could result in an accident.

Preparation for lifting the vehicle with a jack

Before lifting the vehicle with a jack, perform the following.

●

Stop the vehicle in a safe place on a hard, flat surface.

●

Set the parking brake.

●

Change the shift position to P.

●

Stop the engine.

●

Turn on the emergency flashers.

Storage position of the spare tire/tools/jack

Jack

WARNING

Improper use of the tire jack may cause the vehicle to fall. Therefore, observe the
following precatutions.

9-4. If a tire is flat

620

WARNING

●

Do not use the tire jack for any purpose other than replacing tires or installing and
removing tire chains.

●

Only use the tire jack that comes with this vehicle for replacing a flat tire. Do not
use it on other vehicles, and do not use other tire jacks for replacing tires on this
vehicle.

Jack handle

Wheel bolt socket

Towing eyelet

Guide pin

Wheel bolt wrench

Spare tire

Screwdriver

Taking out the jack

Remove the deck board.

Take out the jack.

Remove the rubber band.

* :

If equipped

9-4. If a tire is flat

621

When tr

ouble arises

Taking out the spare tire

WARNING

When storing the spare tire, be careful so that fingers, etc. do not get caught between the
vehicle body and spare tire.

Remove the deck board.

Loosen the center fastener that secures the
spare tire.

Removing a flat tire

WARNING

■

Precautions for replacing a flat tire

●

Do not try to remove the wheel ornament by hand.
Take due care in handling the ornament to avoid unexpected personal injury.

●

Do not touch the disc wheels or the area around the brakes immediately after the
vehicle has been driven.
After the vehicle has been driven the disc wheels and the area around the brakes
will be extremely hot. Touching these areas with hands, feet or other body parts while
changing a tire, etc., may result in burns.

■

Setting the power back door when replacing the tires

When replacing a flat tire, make sure to disable the power back door. If not disabled, the
power back door may operate unintentionally, and hands or fingers may be caught and
injured.

9-4. If a tire is flat

622

Chock the tires.

Wheel chock position

●

Flat tire: Front left
Place the wheel chock behind the rear right tire.

●

Flat tire: Front right
Place the wheel chock behind the rear left tire.

●

Flat tire: Rear left
Place the wheel chock in front of the front right tire.

●

Flat tire: Rear right
Place the wheel chock in front of the front left tire.

Using a wheel bolt wrench, slightly loosen the
wheel bolts (approximately one turn).

Turn the tire jack portion by hand until the
notch of the jack is in contact with the jack
point.

WARNING

Make sure the jack is positioned properly in the jack point.

9-4. If a tire is flat

623

When tr

ouble arises

Install the wheel bolt wrench to the jack han-
dle.

Raise the vehicle until the tire is slightly raised
off the ground.

WARNING

Observe the following precautions when using the jack.

●

Do not put any part of your body under the vehicle while it is supported by the
jack.

●

Do not start the engine or drive the vehicle while the vehicle is supported by the
jack.

●

Do not raise the vehicle while someone is inside.

●

When raising the vehicle, do not put an object on or under the jack.

●

Do not raise the vehicle to a height greater than that required to replace the tire.

●

Use a jack stand if it is necessary to get under the vehicle.

Remove the uppermost wheel bolt and install
the guide pin by hand.

Turn the guide pin clockwise to tighten it until it
stops.

WARNING

When removing or installing a tire, make sure to use the guide pin.
Also, the guide pin is made of resin. It may be damaged if the wheel is placed
anywhere other than

or if a large amount of force is applied to the guide pin.

9-4. If a tire is flat

624

WARNING

Remove the remaining wheel bolts and the
tire.

When resting the tire on the ground, place the
tire so that the wheel design faces up, to avoid
scratching the wheel surface.

Installing the spare tire

INFORMATION

■

The compact spare tire

Observe the following precautions when installing a spare tire.

●

The compact spare tire is identified by the label “TEMPORARY USE ONLY” on the
tire sidewall.
Use the compact spare tire temporarily, and only in an emergency.

●

Make sure to check the tire inflation pressure of the compact spare tire.

WARNING

Observe the following precautions when using a spare tire.

●

Remember that the compact spare tire provided is specifically designed for use with
your vehicle. Do not use your spare tire on another vehicle.

●

Do not use more than one compact spare tire simultaneously.

Remove any dirt or foreign matter from the wheel contact surfaces and wheel
bolts.

If foreign matter is not removed, the wheel bolts may loosen while the vehicle is in
motion, and the wheel may come off.

9-4. If a tire is flat

625

When tr

ouble arises

Align a wheel bolt hole on the spare tire with the guide pin, and set the spare
tire on the guide pin.

Securely set the spare tire so that its wheel is touching the contact surface.

WARNING

When removing or installing a tire, make sure to use the guide pin.
Also, the guide pin is made of resin. It may be damaged if the wheel is placed
anywhere other than

or if a large amount of force is applied to the guide pin.

Loosely tighten each wheel bolt by hand or using a wheel bolt socket .

Push the spare tire to prevent it from falling.
Do not use the wheel bolt socket for anything other than loosely tightening the wheel
bolts by hand.

9-4. If a tire is flat

626

WARNING

Observe the following precautions. Failure to do so may lead to the wheel bolts
loosening and the tire falling off.

●

The contact surfaces of the wheel bolt and wheel are designed specifically to fit
together. When using wheels that were installed when the vehicle was shipped
from the factory, use specialized Lexus genuine wheel bolts. Do not use wheel
bolts designed for other models, model years or types even if they are Lexus
genuine parts.
If the vehicle does not have wheels that were installed to the vehicle when it was
shipped from the factory, the factory-installed wheel bolts may not be appropriate
for the wheel. Contact either the retailer where the wheels were purchased or the
manufacturer of the wheels for proper installation advice.

●

Never apply oil or grease to the wheel bolts or their contact surface on the wheel

Doing so may cause the wheel bolts to be tightened excessively, leading to
damage to the wheel bolts, the threaded portion the wheel bolts install to

, or

the wheel.
Remove any oil or grease that has adhered when installing the wheel bolts.

●

If a wheel bolt hole in a wheel or the threads of a wheel bolt or the wheel hub are
deformed, cracked, rusty or otherwise damaged, have the vehicle inspected by
your Lexus dealer.

9-4. If a tire is flat

627

When tr

ouble arises

WARNING

●

Do not install the wheel ornament if it is damaged, as it may fly off the wheel while
the vehicle is being driven.

Remove the guide pin and loosely tighten the wheel bolt as in step

Lower the vehicle.

WARNING

When lowering the vehicle, make sure that no one is near the vehicle. If there are
people nearby, warn them vocally before lowering the vehicle.

Securely tighten the wheel bolts two or three times in the order shown in the
illustration using a wheel bolt wrench.

Tightening torque: 103 ft•lbf (140 N•m, 14.3 kgf•m)

9-4. If a tire is flat

628

WARNING

●

When tightening the wheel bolts, do not tighten them excessively. Doing so may
cause the wheel bolts, the threads of the wheel hub, or the wheel to be damaged.

●

After replacing a tire, check the tightening torque as soon as possible.

Stow the flat tire, tire jack and all tools.

INFORMATION

■

When using the compact spare tire

As the compact spare tire is not equipped with a tire pressure warning valve and
transmitter, low inflation pressure of the spare tire will not be indicated by the tire
pressure warning system. Also, if you replace the compact spare tire after the tire
pressure warning light comes on, the light remains on.

■

When a compact spare tire is installed

The vehicle becomes lower when driving with the compact spare tire compared to
when driving with standard tires.

WARNING

■

When using the compact spare tire

●

Replace the compact spare tire with a standard tire as soon as possible.

●

Avoid sudden acceleration, abrupt steering, sudden braking and shifting opera-
tions that cause sudden engine braking.

■

When the compact spare tire is attached

The vehicle speed may not be correctly detected, and the following systems may not
operate correctly:

●

ABS & Brake assist

●

VSC

●

TRAC

●

Trailer Sway Control

●

EPS

●

Dynamic radar cruise control

●

PCS (Pre-Collision System)

●

LTA (Lane Tracing Assist)

●

LDA (Lane Departure Alert)

9-4. If a tire is flat

629

When tr

ouble arises

WARNING

●

Lexus parking assist monitor

●

RSA (Road Sign Assist)

●

Panoramic view monitor

●

Intuitive parking assist

●

PKSB (Parking Support Brake)

●

Navigation system

●

BSM (Blind Spot Monitor)

●

Automatic High Beam

●

AHS (Adaptive High-beam System)

●

AFS (Adaptive Front-lighting System)

●

Tire pressure warning system

Also, not only can the following system not be utilized fully, but it may even negatively
affect the drive-train components:

●

AWD system (AWD models)

■

Speed limit when using the compact spare tire

Do not drive at speeds in excess of 50 mph (80 km/h) when a compact spare tire is
installed on the vehicle.
The compact spare tire is not designed for driving at high speeds. Failure to observe
this precaution may lead to an accident causing death or serious injury.

■

After using the tools and jack

After using the tools and jack, before driving, make sure that the tools and jack are
securely stored. Failure to do so may result in injury during a collision or sudden
braking.

NOTICE

■

Be careful when driving over bumps with the compact spare tire installed on the
vehicle

The vehicle becomes lower when driving with the compact spare tire compared to
when driving with standard tires. Be careful when driving over uneven road surfaces.

* :

If equipped

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Lexus NX350 (2024 year). Manual in english - page 19