LEXUS LS 500 (2019 year). Instruction — part 25

396

6-3. Do-it-yourself maintenance

LS500_OM_(U)_1809

ing.

●

Always use a tire pressure gauge.

It is difficult to judge if a tire is properly

inflated based only on its appearance.

●

It is normal for the tire inflation pressure

to be higher after driving as heat is gen-

erated in the tire. Do not reduce tire infla-

tion pressure after driving.

●

Never exceed the vehicle capacity

weight.

Passengers and luggage weight should

be placed so that the vehicle is balanced.

When replacing wheels, care should
be taken to ensure that they are equiv-
alent to those removed in load capac-
ity, diameter, rim width and inset

*

.

Replacement wheels are available at
your Lexus dealer.

*

: Conventionally referred to as offset.

Lexus does not recommend using the
following:
 Wheels of different sizes or types
 Used wheels
 Bent wheels that have been straight-

ened

■

When replacing wheels

The wheels of your vehicle are equipped

with tire pressure warning valves and trans-

mitters that allow the tire pressure warning

system to provide advance warning in the

event of a loss in tire inflation pressure.

Whenever wheels are replaced, the tire

pressure warning valves and transmitters

must be installed. (

P.387)

WARNING

■

Proper inflation is critical to save tire

performance

Keep your tires properly inflated.

If the tires are not properly inflated, the

following conditions may occur which

could lead to an accident resulting in

death or serious injury:

●

Excessive wear

●

Uneven wear

●

Poor handling

●

Possibility of blowouts resulting from

overheated tires

●

Air leaking from between tire and

wheel

●

Wheel deformation and/or tire dam-

age

●

Greater possibility of tire damage

while driving (due to road hazards,

expansion joints, sharp edges in the

road, etc.)

NOTICE

■

When inspecting and adjusting tire

inflation pressure

Be sure to put the tire valve caps back on.

If a valve cap is not installed, dirt or mois-

ture may get into the valve and cause an

air leak, resulting in decreased tire infla-

tion pressure.

Wheels

If a wheel is bent, cracked or heavily
corroded, it should be replaced.
Otherwise, the tire may separate
from the wheel or cause a loss of
handling control.

Wheel selection

WARNING

■

When replacing wheels

●

Do not use wheels that are a different

size from those recommended in the

Owner’s Manual, as this may result in a

loss of handling control.

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 Use only Lexus wheel nuts and

wheel nut wrenches designed for
use with your aluminum wheels.

 When rotating, repairing or chang-

ing your tires, check that the wheel
nuts are still tight after driving 1000
miles (1600 km).

 Be careful not to damage the alumi-

num wheels when using tire chains.

 Use only Lexus genuine balance

weights or equivalent and a plastic

or rubber hammer when balancing
your wheels.

WARNING

●

Never use an inner tube in a leaking

wheel which is designed for a tubeless

tire.

Doing so may result in an accident,

causing death or serious injury.

■

Use of defective wheels prohibited

Do not use cracked or deformed wheels.

Doing so could cause the tire to leak air

during driving, possibly causing an acci-

dent.

NOTICE

■

Replacing tire pressure warning

valves and transmitters

●

Because tire repair or replacement

may affect the tire pressure warning

valves and transmitters, make sure to

have tires serviced by your Lexus

dealer or other qualified service shop.

In addition, make sure to purchase

your tire pressure warning valves and

transmitters at your Lexus dealer.

●

Ensure that only genuine Lexus wheels

are used on your vehicle.

Tire pressure warning valves and trans-

mitters may not work properly with

non-genuine wheels.

Aluminum wheel precautions

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6-3. Do-it-yourself maintenance

LS500_OM_(U)_1809

1

Turn the engine switch off.

2

Open the glove box. Remove the
partition. (

P.337)

3

Remove the panel.

4

Unlock the filter cover ( ), pull the
filter cover out of the claws ( ),
and remove the filter cover.

5

Remove the filter case.

6

Remove the air conditioning filter
from the filter case and replace it
with a new one.

The “

UP” marks shown on the filter and

the filter case should be pointing up.

■

Checking interval

Inspect and replace the air conditioning fil-

ter according to the maintenance schedule.

In dusty areas or areas with heavy traffic

flow, early replacement may be required.

(For scheduled maintenance information,

please refer to the “Owner’s Manual Sup-

plement” or “Scheduled Maintenance”.)

■

If air flow from the vents decreases dra-

matically

The filter may be clogged. Check the filter

and replace if necessary.

■

Air conditioning filter with deodorizing

function

When fragrances are placed in your vehi-

cle, the deodorizing effect may become

significantly weakened in a short period.

When an air conditioning odor comes out

continuously, replace the air conditioning

Air conditioning filter

The air conditioning filter must be
changed regularly to maintain air
conditioning efficiency.

Removing the air conditioning
filter

A

B

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filter.

■

If the electronic key battery is depleted

The following symptoms may occur:

●

The smart access system with push-but-

ton start and wireless remote control will

not function properly.

●

The operational range will be reduced.

■

When the card key battery needs to be

replaced (if equipped)

The battery for the card key is available only

at Lexus dealers. Your Lexus dealer can

replace the battery for you.

 Flathead screwdriver
 Small flathead screwdriver
 Lithium battery CR2032

■

Use a CR2032 lithium battery

●

Batteries can be purchased at your Lexus

dealer, local electrical appliance shops or

camera stores.

●

Replace only with the same or equivalent

type recommended by the manufacturer.

●

Dispose of used batteries according to

local laws.

NOTICE

■

When using the air conditioning sys-

tem

Make sure that a filter is always installed.

Using the air conditioning system without

a filter may cause damage to the system.

■

To prevent damage to the filter cover

When moving the filter cover in the

direction of arrow to release the fitting,

pay attention not to apply excessive force

to the claws. Otherwise, the claws may

be damaged.

Electronic key battery

Replace the battery with a new one
if it is depleted.
As the key may be damaged if the
following procedure is not per-
formed properly, it is recom-
mended that key battery
replacement be performed by your
Lexus dealer.

Items to prepare

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6-3. Do-it-yourself maintenance

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1

Take out the mechanical key.

2

Remove the cover.

To prevent damage to the key, cover the tip

of the flathead screwdriver with a tape.

3

Remove the depleted battery.

Insert a new battery with the “+” terminal

facing up.

Replacing the battery

WARNING

■

Removed battery and other parts

These parts are small and if swallowed by

a child, they can cause choking. Keep

away from children. Failure to do so

could result in death or serious injury.

NOTICE

■

When replacing the battery

Use a flathead screwdriver of appropri-

ate size. Applying excessive force may

deform or damage the cover.

■

For normal operation after replacing

the battery

Observe the following precautions to

prevent accidents:

●

Always work with dry hands.

Moisture may cause the battery to

rust.

●

Do not touch or move any other com-

ponent inside the remote control.

●

Do not bend either of the battery ter-

minals.

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1

Turn the engine switch off.

2

Open the fuse box cover.



Engine compartment: type A fuse
box

Remove the service cover (

P.375) and

push the tabs in and lift the lid off.



Engine compartment: type B fuse
box

Remove the engine compartment cover
(

P.374) and push the tabs in and lift the

lid off.



Driver’s side instrument panel

Push the tab in and remove the lid.
Make sure to push the tab in during
removal or installation.



Passenger’s side instrument panel

Push the tab in and remove the lid.
Make sure to push the tab in during
removal or installation.



Trunk

Remove the luggage mat. (

P.340)

Push the tab in and lift the lid off.

Checking and replacing
fuses

If any of the electrical components
do not operate, a fuse may have
blown. If this happens, check and
replace the fuses as necessary.

Checking and replacing fuses

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6-3. Do-it-yourself maintenance

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3

Remove the fuse with the pullout
tool.
Only type A fuse can be removed
using the pullout tool.

4

Check if the fuse is blown.

Type A and B:

Replace the blown fuse with a new fuse of

an appropriate amperage rating. The

amperage rating can be found on the fuse

box lid.
Type C and D:

Contact your Lexus dealer.



Type A

Normal fuse
Blown fuse



Type B

Normal fuse
Blown fuse



Type C

Normal fuse
Blown fuse

A
B

A
B

A
B

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

Type D

Normal fuse
Blown fuse

■

After a fuse is replaced

●

When installing the lid, make sure that the

tab is installed securely.

●

If the lights do not turn on even after the

fuse has been replaced, a bulb may need

replacement.

●

If the replaced fuse blows again, have the

vehicle inspected by your Lexus dealer.

■

If there is an overload in a circuit

The fuses are designed to blow, protecting

the wiring harness from damage.

WARNING

■

To prevent system breakdowns and

vehicle fire

Observe the following precautions.

Failure to do so may cause damage to

the vehicle, and possibly a fire or injury.

●

Never use a fuse of a higher amperage

rating than that indicated, or use any

other object in place of a fuse.

●

Always use a genuine Lexus fuse or

equivalent.

Never replace a fuse with a wire, even

as a temporary fix.

●

Do not modify the fuses or fuse boxes.

A
B

NOTICE

■

Before replacing fuses

Have the cause of electrical overload

determined and repaired by your Lexus

dealer as soon as possible.

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6-3. Do-it-yourself maintenance

LS500_OM_(U)_1809

■

LED Lights

The lights consist of a number of LEDs. If

any of the LEDs burn out, take your vehicle

to your Lexus dealer to have the light

replaced.

■

Condensation build-up on the inside of

the lens

Temporary condensation build-up on the

inside of the headlight lens does not indi-

cate a malfunction. Contact your Lexus

dealer for more information in the following

situations:

●

Large drops of water have built up on the

inside of the lens.

●

Water has built up inside the headlight.

Light bulbs

If any lights burn out, have it
replaced by your Lexus dealer.

405

LS500_OM_(U)_1809

7

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When trouble arises

.

7-1. Essential information

Emergency flashers. . . . ..

406

If your vehicle has to be stopped in

an emergency. . . . . . ..

406

If the vehicle is trapped in rising

water. . . . . . . . . . .

407

7-2. Steps to take in an emergency

If your vehicle needs to be towed

. . . . . . . . . . . . . .

409

If you think something is wrong

. . . . . . . . . . . . . . .

413

Fuel pump shut off system . ..

414

If a warning light turns on or a

warning buzzer sounds . .

415

If a warning message is displayed

. . . . . . . . . . . . . .

425

If you have a flat tire. . . . ..

429

If the engine will not start . ...

430

If you lose your keys. . . . .

432

If the fuel filler door cannot be

opened. . . . . . . . . .

432

If the electronic key does not

operate properly . . . . .

433

If the vehicle battery is discharged

. . . . . . . . . . . . . .

435

If your vehicle overheats . .

440

If the vehicle becomes stuck

. . . . . . . . . . . . . .

443

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7-1. Essential information

LS500_OM_(U)_1809

7-1.Essential information

Press the switch to flash all of the turn
signal lights.

To turn them off, press the switch once
again.

■

Emergency flashers

●

If the emergency flashers are used for a

long time while the engine is not running,

the battery may discharge.

●

If any of the SRS airbags deploy (inflate)

or in the event of a strong rear impact, the

emergency flashers will turn on automati-

cally.

The emergency flashers will turn off auto-

matically after operating for approxi-

mately 20 minutes. To manually turn the

emergency flashers off, press the switch

twice.

(The emergency flashers may not turn on

automatically depending on the force of

the impact and conditions of the colli-

sion.)

1

Steadily step on the brake pedal
with both feet and firmly depress it.

Do not pump the brake pedal repeatedly

as this will increase the effort required to

slow the vehicle.

2

Shift the shift position to N.



If the shift position is shifted to N

3

After slowing down, stop the vehi-
cle in a safe place by the road.

4

Stop the engine.



If the shift position cannot be shifted
to N

3

Keep depressing the brake pedal
with both feet to reduce vehicle
speed as much as possible.

4

To stop the engine, press and hold
the engine switch for 2 consecutive

Emergency flashers

The emergency flashers are used to
warn other drivers when the vehicle
has to be stopped on the road due
to a breakdown, etc.

Operating instructions

If your vehicle has to be
stopped in an emergency

Only in an emergency, such as if it
becomes impossible to stop the
vehicle in the normal way, stop the
vehicle using the following proce-
dure:

Stopping the vehicle

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7-1. Essential information

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seconds or more, or press it briefly
3 times or more in succession.

5

Stop the vehicle in a safe place by
the road.

 Remove the seat belt first.
 If the door can be opened, open the

door and exit the vehicle.

 If the door can not be opened, open

the window using the power window
switch and exit the vehicle through
the window.

 If the window can not be opened

using the power window switch,
remain calm, wait until the water
level inside the vehicle rises to the
point that the water pressure inside
of the vehicle equals the water pres-
sure outside of the vehicle, and then
open the door and exit the vehicle.

WARNING

■

If the engine has to be turned off while

driving

Power assist for the steering wheel will

be lost, making the steering wheel

heavier to turn. Decelerate as much as

possible before turning off the engine.

If the vehicle is trapped in
rising water

In the event the vehicle is sub-
merged in water, remain calm and
perform the following.

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7-1. Essential information

LS500_OM_(U)_1809

WARNING

■

Using an emergency hammer

*

for

emergency escape

The rear window of this vehicle can be

shattered by an emergency hammer

*

used for emergency escape, however,

since the windshield, front side windows

and rear side windows are laminated

glass they can not be shatteredby an

emergency hammer

*

.

*

: Contact your Lexus dealer or after-

market accessory manufacturerfor
further information about an emer-
gency hammer.

■

Escaping the vehicle from the window

There are cases where escaping the

vehicle from the window is not possible

due to seating position, passenger body

type, etc.

When using an emergency hammer,

consider your seat location and the size

of the window opening to ensure that the

opening is accessible and large enough

to escape.

409

7-2. Steps to take in an emergency

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7-2.Steps to take in an emergency

If your vehicle needs to be
towed

If towing is necessary, we recom-
mend having your vehicle towed by
your Lexus dealer or commercial
towing service, using a wheel-lift
type truck or flatbed truck.

Use a safety chain system for all
towing, and abide by all state/pro-
vincial and local laws.

WARNING

Observe the following precautions.

Failure to do so may result in death or

serious injury.

■

When towing the vehicle



2WD models

Be sure to transport the vehicle with all

four wheels raised off the ground. If the

vehicle is towed with the tires contacting

the ground, the drivetrain and related

parts may be damaged or an accident

may occur due to a change in direction

of the vehicle.



AWD models

Be sure to transport the vehicle with all

four wheels raised off the ground. If the

vehicle is towed with the tires contacting

the ground, the drivetrain or related

parts may be damaged, the vehicle may

fly off the truck.

■

While towing

●

When towing using cables or chains,

avoid sudden starts, etc. which place

excessive stress on the towing eyelets,

cables or chains. The towing eyelets,

cables or chains may become dam-

aged, broken debris may hit people,

and cause serious damage.

●

Make sure to disable all functions of

the vehicle height control of the elec-

tronically modulated air suspension.

Otherwise, the vehicle height may

change and part of your body may be

caught under the vehicle, possibly

causing injury. (

P.293)

●

Do not turn the engine switch off.

This may lead to an accident as the

rear wheels will be locked by the park-

ing lock.

Also, there is a possibility that the

steering wheel is locked and cannot be

operated.

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7-2. Steps to take in an emergency

LS500_OM_(U)_1809

In the following situations, it is not pos-
sible to be towed by another vehicle
using cables or chains, as the rear
wheels may be locked due to the park-
ing lock. Contact your Lexus dealer or
commercial towing service.
 There is a malfunction in the shift

control system. (

P.167, 425)

 There is a malfunction in the engine

immobilizer system. (

P.63)

 There is a malfunction in the smart

access system with push-button
start. (

P.433)

 The battery is discharged.

(

P.435)

The following may indicate a problem
with your transmission. Contact your
Lexus dealer or commercial towing
service before towing.
 The engine is running but the vehi-

cle does not move.

 The vehicle makes an abnormal

sound.

Do not tow with a sling-type truck to
prevent body damage.

WARNING

■

Installing towing eyelets to the vehi-

cle

Make sure that towing eyelets are

installed securely.

If not securely installed, towing eyelets

may come loose during towing.

NOTICE

■

To prevent damage to the vehicle

when towing using a wheel-lift type

truck

●

Do not tow the vehicle from the rear

when the engine switch is off. The

steering lock mechanism is not strong

enough to hold the front wheels

straight.

●

When raising the vehicle, ensure ade-

quate ground clearance for towing at

the opposite end of the raised vehicle.

Without adequate clearance, the vehi-

cle could be damaged while being

towed.

■

To prevent damage to the vehicle

when towing with a sling-type truck

Do not tow with a sling-type truck, either

from the front or rear.

■

To prevent damage to the vehicle

during emergency towing

Do not secure cables or chains to the

suspension components.

Situations when it is not possible
to be towed by another vehicle

Situations when it is necessary to
contact dealers before towing

Towing with a sling-type truck

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7-2. Steps to take in an emergency

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

From the front

Use a towing dolly under the rear
wheels.



From the rear

Use a towing dolly under the front
wheels.

If your vehicle is transported by a flat-
bed truck, it should be tied down at the
locations shown in the illustration.

If you use chains or cables to tie down
your vehicle, the angles shaded in
black must be 45°.
Do not overly tighten the tie downs or
the vehicle may be damaged.
Make sure to disable all functions of
the vehicle height control of the elec-
tronically modulated air suspension.
Otherwise, the vehicle height may
change and the vehicle may be dam-
aged. (

P.293)

If a tow truck is not available in an
emergency, your vehicle may be tem-
porarily towed using cables or chains
secured to the emergency towing eye-
lets. This should only be attempted on
hard surfaced roads for short distances
at under 18 mph (30 km/h).
A driver must be in the vehicle to steer
and operate the brakes. The vehicle’s

Towing with a wheel-lift type
truck

Using a flatbed truck

Emergency towing