Lexus LC500 (2022 year). Manual in english - page 19

 

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Lexus LC500 (2022 year). Manual in english - page 19

 

 

325

6

6-3. Do-it-yourself maintenance

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LC500

Fuse box (

P.353)

Engine oil level dipstick (

P.326)

Engine coolant reservoir (

P.329)

Engine oil filler cap (

P.327)

Washer fluid tank (

P.331)

Electric cooling fan

Condenser (

P.330)

Radiator (

P.330)

For right-hand drive vehicles: 
The fuse box is located on the opposite side of the engine compartment.

Engine compartment

Components

A
B
C
D

E
F

G

H

326

6-3. Do-it-yourself maintenance

LC500h

Engine oil level dipstick (

P.326)

Power control unit coolant reservoir (

P.330)

Engine oil filler cap (

P.327)

Fuse boxes (

P.353)

Washer fluid tank (

P.331)

Engine coolant reservoir (

P.329)

Electric cooling fan

Condenser (

P.330)

Radiator (

P.330)

For right-hand drive vehicles:
One of the fuse boxes is located on the opposite side of the engine compartment.

Q

12-volt battery

P.332

With the engine at operating tempera-
ture and turned off, check the oil level 
on the dipstick.

A
B
C
D

E
F

G

H

I

Checking and adding the engine 
oil

327

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6-3. Do-it-yourself maintenance

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Q

Checking the engine oil

1

Park the vehicle on level ground.

LC500

After warming up the engine and turning it 
off, wait more than 5 minutes for the oil to 
drain back into the bottom of the engine.

LC500h

After warming up the engine and turning 
off the hybrid system, wait more than 5 
minutes for the oil to drain back into the 
bottom of the engine.

2

Holding a rag under the end, pull 
the dipstick out.

LC500

LC500h

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.

Q

Checking the oil type and prepar-
ing the items

Make sure to check the oil type and 
prepare the items needed before add-
ing oil.

Engine oil selection

P.415, 416

Oil quantity (Low 

 Full)

1.5 L (1.6 qt., 1.3 Imp. qt.)

Item

Clean funnel

Q

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.

A
B
C

328

6-3. Do-it-yourself maintenance

LC500

LC500h

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.

Q

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.

O

When the engine is new, for example 

directly after purchasing the vehicle or 

after replacing the engine

O

If low quality oil or oil of an inappropriate 

viscosity is used

O

When driving at high engine speeds or 

with a heavy load, or when driving while 

accelerating or decelerating frequently

O

When leaving the engine idling for a long 

time, or when driving frequently through 

heavy traffic

Q

After changing the engine oil (LC500h)

The engine oil maintenance data should be 

reset. Perform the following procedures:

1

While the vehicle is stopped, press 

 of the meter control switches.

2

Press 

 or 

 of the meter control 

switches, and select 

.

3

Press 

 or 

 of the meter control 

switches, select “Vehicle Settings”, and 

then press “OK”.

4

Press 

 or 

 of the meter control 

switches, select “Oil Maintenance”, and 

then press “OK”.

5

Select “Yes” and then press “OK”.

A message will be displayed on the multi-

information display.

WARNING

Q

Used engine oil

O

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.

329

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6-3. Do-it-yourself maintenance

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The coolant level is satisfactory if it is 
between the “F” and “L” lines on the 
reservoir when the engine <hybrid sys-
tem> is cold.

Q

Engine coolant reservoir

LC500

Reservoir cap

“F” line

“L” line

If the level is on or below the “L” line, add 
coolant up to the “F” line. (

P.404)

LC500h

Reservoir cap

“F” line

“L” line

If the level is on or below the “L” line, add 
coolant up to the “F” line. (

P.406)

WARNING

O

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 any authorized Lexus retailer or 

Lexus authorized repairer, or any reli-

able repairer, service station or auto 

parts store for information concerning 

recycling or disposal.

O

Do not leave used engine oil within the 

reach of children.

NOTICE

Q

To prevent serious engine damage

Check the oil level on a regular basis.

Q

When replacing the engine oil

O

Be careful not to spill engine oil on the 

vehicle components.

O

Avoid overfilling, or the engine could 

be damaged.

O

Check the oil level on the dipstick 

every time you refill the vehicle.

O

Be sure the engine oil filler cap is prop-

erly tightened.

Checking the coolant

A
B
C

A
B
C

330

6-3. Do-it-yourself maintenance

Q

Power control unit coolant reser-
voir (LC500h)

Reservoir cap

“F”/“FULL” line

“L”/“LOW” line

If the level is on or below the “L”/“LOW” 
line, add coolant up to the “F”/“FULL” line. 
(

P.406)

Q

Coolant selection

Only use “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.
“Toyota Super Long Life Coolant” is a mix-

ture of 50% coolant and 50% deionized 

water. (Minimum temperature: -35°C [-

31°F])
For more details about coolant, contact any 

authorized Lexus retailer or Lexus autho-

rized repairer, or any reliable repairer.

Q

If the coolant level drops within a short 

time of replenishing

Visually check the radiator, hoses, 

engine/power control unit coolant reser-

voir caps, drain cock and water pump. 

If you cannot find a leak, have any autho-

rized Lexus retailer or Lexus authorized 

repairer, or any reliable repairer, test the 

cap and check for leaks in the cooling sys-

tem.

Check the radiator and condenser and 
clear away any foreign objects. 
If either of the above parts is extremely 
dirty or you are not sure of their condi-
tion, have your vehicle inspected by 
any authorized Lexus retailer or Lexus 
authorized repairer, or any reliable 
repairer.

A
B
C

WARNING

Q

When the engine <hybrid system> is 

hot

LC500: Do not remove the engine cool-

ant reservoir cap or the coolant inlet cap. 

(

P.406)

The cooling system may be under pres-

sure and may spray hot coolant if the cap 

is removed, causing serious injuries, such 

as burns.
LC500h: Do not remove the 

engine/power control unit coolant reser-

voir caps or the coolant inlet cap. 

(

P.409)

The cooling system may be under pres-

sure and may spray hot coolant if the cap 

is removed, causing serious injuries, such 

as burns.

NOTICE

Q

When adding coolant

Coolant is neither plain water nor 

straight antifreeze. The correct mixture 

of water and antifreeze must be used to 

provide proper lubrication, corrosion 

protection and cooling. Be sure to read 

the antifreeze or coolant label.

Q

If you spill coolant

Be sure to wash it off with water to pre-

vent it from damaging parts or paint.

Checking the radiator and con-
denser

331

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If any washer does not work or “Wind-
shield Washer Fluid Low” is shown on 
the multi-information display, the 
washer tank may be empty. Add 
washer fluid.

LC500

LC500h

WARNING

Q

When the engine <hybrid system> is 

hot

Do not touch the radiator and condenser 

as they may be hot and cause serious 

injuries, such as burns.

Checking and adding the washer 
fluid

WARNING

Q

When adding washer fluid

Do not add washer fluid when the engine 

<hybrid system> is hot or running as 

washer fluid contains alcohol and may 

catch fire if spilled on the engine etc.

NOTICE

Q

Do not use any fluid other than 

washer fluid

Do not use soapy water or engine anti-

freeze instead of washer fluid.

Doing so may cause streaking on the 

vehicle’s painted surfaces, as well as 

damaging the pump leading to problems 

of the washer fluid not spraying.

Q

Diluting washer fluid

Dilute washer fluid with water as neces-

sary. 

Refer to the freezing temperatures listed 

on the label of the washer fluid bottle.

332

6-3. Do-it-yourself maintenance

The 12-volt battery is located in the 
trunk.

Q

Before recharging

When recharging, the 12-volt battery pro-

duces hydrogen gas which is flammable 

and explosive. Therefore, observe the fol-

lowing precautions before recharging:

O

If recharging with the 12-volt battery 

installed on the vehicle, be sure to dis-

connect the ground cable.

O

Make sure the power switch on the char-

ger is off when connecting and discon-

necting the charger cables to the 12-volt 

battery.

Q

After recharging/reconnecting the 12-

volt battery

O

Unlocking the doors using the smart 

entry & start system may not be possible 

immediately after reconnecting the 12-

volt battery. If this happens, use the wire-

less remote control or the mechanical 

key to lock/unlock the doors.

O

Start the engine <hybrid system> with the 

engine switch <power switch> in 

ACCESSORY mode. The engine 

<hybrid system> may not start with the 

engine switch <power switch> turned off. 

However, the engine <hybrid system> will 

operate normally from the second 

attempt.

O

The engine switch <power switch> mode 

is recorded by the vehicle. If the 12-volt 

battery is reconnected, the vehicle will 

return the engine switch <power switch> 

mode to the status it was in before the 12-

volt battery was disconnected. Make 

sure to turn off the engine switch <power 

switch> before disconnect the 12-volt 

battery. Take extra care when connect-

ing the 12-volt battery if the engine switch 

<power switch> mode prior to discharge 

is unknown.

If the engine <hybrid system> will not start 

even after multiple attempts at all methods 

above, contact any authorized Lexus 

retailer or Lexus authorized repairer, or any 

reliable repairer.

12-volt battery

Location

WARNING

Q

Chemicals in the 12-volt battery

The 12-volt battery contains poisonous 

and corrosive sulfuric acid and may pro-

duce hydrogen gas which is flammable 

and explosive. To reduce the risk of 

death or serious injury, take the following 

precautions while working on or near the 

12-volt battery:

O

Do not cause sparks by touching the 

12-volt battery terminals with tools.

O

Do not smoke or light a match near the 

12-volt battery.

O

Avoid contact with eyes, skin and 

clothes.

O

Never inhale or swallow electrolyte.

O

Wear protective safety glasses when 

working near the 12-volt battery.

O

Keep children away from the 12-volt 

battery.

Q

Where to safely charge the 12-volt 

battery

Always charge the 12-volt battery in an 

open area. Do not charge the 12-volt 

battery in a garage or closed room 

where there is insufficient ventilation.

333

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Pull the strap upwards to lift up the lug-
gage mat.

Make sure that the 12-volt battery ter-
minals are not corroded and that there 
are no loose connections, cracks, or 
loose clamps.

Terminals

Hold-down clamp

Check that the level is upper than the 
center between the bottom of the bat-
tery lid and “LOWER LEVEL” line.

WARNING

Q

How to recharge the 12-volt battery

Recharge at a current of 5 A or less and 

make sure that the recharging period 

does not exceed a total of 12 hours.

Q

Emergency measures regarding 

electrolyte

O

If electrolyte gets in your eyes

Flush your eyes with clean water for at 

least 15 minutes and get immediate 

medical attention. If possible, continue 

to apply water with a sponge or cloth 

while traveling to the nearest medical 

facility.

O

If electrolyte gets on your skin

Wash the affected area thoroughly. If 

you feel pain or burning, get medical 

attention immediately.

O

If electrolyte gets on your clothes

It can soak through clothing on to your 

skin. Immediately take off the clothing 

and follow the procedure above if nec-

essary.

O

If you accidentally swallow electrolyte

Drink a large quantity of water or milk. 

Get emergency medical attention 

immediately.

NOTICE

Q

When recharging the 12-volt battery

Never recharge the 12-volt battery while 

the engine is running <hybrid system is 

operating>. Also, be sure all accessories 

are turned off.

Removing the 12-volt battery 
cover

Exterior

Checking the 12-volt battery 
fluid

A
B

334

6-3. Do-it-yourself maintenance

Bottom of the battery lid

“LOWER LEVEL” line

Center of 

 and 

If the fluid level is below 

, replace the 

12-volt battery.

Check if the treadwear indicators are 
showing on the tires. Also check the 
tires for uneven wear, such as exces-
sive wear on one side of the tread.

New tread

Worn tread

Treadwear indicator

The location of treadwear indicators is 
shown by a “TWI” or “

” mark, etc., 

molded into the sidewall of each tire.
Replace the tires if the treadwear indica-
tors are showing on a tire.

A
B
C

A

B

C

Tires

Replace or rotate tires in accor-
dance with maintenance schedules 
and treadwear.

Checking tires

A
B
C

335

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6-3. Do-it-yourself maintenance

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Q

When to replace your vehicle’s tires

Tires should be replaced if:

O

The treadwear indicators are showing on 

a tire.

O

You have tire damage such as cuts, splits, 

cracks deep enough to expose the fabric, 

and bulges indicating internal damage

O

A tire goes flat repeatedly or cannot be 

properly repaired due to the size or loca-

tion of a cut or other damage

If you are not sure, consult any authorized 

Lexus retailer or Lexus authorized repairer, 

or any reliable repairer.

Q

Tire life

Any tire over 6 years old must be checked 

by a qualified technician even if it has sel-

dom or never been used or damage is not 

obvious.

Q

Low profile tires (21-inch tires)

Generally, low profile tires will wear more 

rapidly and tire grip performance will be 

reduced on snowy and/or icy roads when 

compared to standard tires. Be sure to use 

snow tires on snowy and/or icy roads and 

drive carefully at a speed appropriate for 

road and weather conditions.

Q

If the tread on snow tires wears down 

below 4 mm (0.16 in.)

The effectiveness of the tires as snow tires is 

lost.

Rotate the tires in the order shown.

WARNING

Q

When inspecting or replacing tires

Observe the following precautions to 

prevent accidents.

Failure to do so may cause damage to 

parts of the drivetrain as well as danger-

ous handling characteristics, which may 

lead to an accident resulting in death or 

serious injury.

O

Do not mix tires of different makes, 

models or tread patterns.

Also, do not mix tires of remarkably 

different treadwear.

O

Do not use tire sizes other than those 

recommended by Lexus.

O

Do not mix differently constructed 

tires (radial, bias-belted or bias-ply 

tires).

O

Do not mix summer, all season and 

snow tires.

O

Do not use tires that have been used 

on another vehicle.

Do not use tires if you do not know 

how they were used previously.

NOTICE

Q

Driving on rough roads

Take particular care when driving on 

roads with loose surfaces or potholes.

These conditions may cause losses in tire 

inflation pressure, reducing the cushion-

ing ability of the tires. In addition, driving 

on rough roads may cause damage to 

the tires themselves, as well as the vehi-

cle’s wheels and body.

Q

Low profile tires (21-inch tires)

Low profile tires may cause greater dam-

age than usual to the tire wheel when 

sustaining impact from the road surface. 

Therefore, pay attention to the following:

O

Be sure to use proper tire inflation 

pressure. If tires are under-inflated, 

they may be damaged more severely.

O

Avoid potholes, uneven pavement, 

curbs and other road hazards. Failure 

to do so may lead to severe tire and 

wheel damage.

Q

If tire inflation pressure of each tire 

becomes low while driving

Do not continue driving, or your tires 

and/or wheels may be ruined.

Tire rotation

336

6-3. Do-it-yourself maintenance

Vehicles with front and rear tires of 
the same size

Vehicles with front and rear tires of 
differing sizes

To equalize tire wear and help extend tire 
life, Lexus recommends that tire rotation is 
carried out approximately every 10000 
km (6000 miles).
Do not fail to initialize the tire pressure 
warning system after tire rotation.

Q

When rotating the tires

Make sure that the engine switch <power 

switch> is off. If the tires are rotated while 

the engine switch <power switch> is in 

IGNITION ON mode <ON mode>, the tire 

position information will not be updated.

If this accidentally occurs, either turn the 

engine switch <power switch> to off and 

then to IGNITION ON mode <ON mode>, 

or initialize the tire pressure warning system 

after checking that the tire pressure is prop-

erly adjusted.

When run-flat tires are installed, the 
vehicle can be driven for a maximum of 
160 km (100 miles) at a speed below 
80 km/h (50 mph) after any tire goes 
flat. (However, the vehicle speed may 
not increase to near 80 km/h [50 
mph] depending on weather or driving 
conditions.)

A run-flat tire has a 

 mark on 

the sidewall.

Make sure to replace the flat tire before 
the vehicle has been driven for near 160 
km (100 miles). Also, do not use a repaired 
tire.

Q

Run-flat tires

O

The run-flat tires are for only this vehicle. 

Do not use the tires on other vehicles.

O

Do not mix run-flat tires and normal tires.

O

If non-genuine Lexus wheels are used, it 

may be impossible to sufficiently demon-

strate the performance of run-flat tires.

Your vehicle is equipped with a tire 
pressure warning system that uses tire 
pressure warning valves and transmit-
ters to detect low tire inflation pressure 
before serious problems arise.

If the tire pressure drops below a 
predetermined level, the driver is 
warned by a screen display and a 
warning light. (

P.377)

The tire pressure detected by the 
tire pressure warning system can be 
displayed on the multi-information 

Run-flat tires

Tire pressure warning system

337

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6-3. Do-it-yourself maintenance

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display. (

P.96)

The illustration used is intended as an 
example, and may differ from the image 
that is actually displayed on the multi-infor-
mation display.

Q

Routine tire inflation pressure checks

The tire pressure warning system does not 

replace routine tire inflation pressure 

checks. Make sure to check tire inflation 

pressure as part of your routine of daily 

vehicle checks.

Q

Situations in which the tire pressure 

warning system may not operate prop-

erly

O

In the following cases, the tire pressure 

warning system may not operate prop-

erly.

• If non-genuine Lexus wheels are used.

• A tire has been replaced with a tire that is 

not an OE (Original Equipment) tire.

• A tire has been replaced with a tire that is 

not of the specified size.

• Tire chains etc. are equipped.

• An auxiliary-supported run-flat tire is 

equipped.

• If a window tint that affects the radio wave 

signals is installed.

• If there is a lot of snow or ice on the vehi-

cle, particularly around the wheels or 

wheel housings.

• If the tire inflation pressure is extremely 

higher than the specified level.

• If wheels without tire pressure warning 

valves and transmitters are used.

• If the ID code on the tire pressure warn-

ing valves and transmitters is not regis-

tered in the tire pressure warning 

computer.

O

Performance may be affected in the fol-

lowing situations.

• Near a TV tower, electric power plant, 

gas station, radio station, large display, 

airport or other facility that generates 

strong radio waves or electrical noise

• When carrying a portable radio, cellular 

phone, cordless phone or other wireless 

communication device

If tire position information is not correctly 
displayed due to the radio wave conditions, 
the display may be corrected by driving and 
changing the radio wave conditions.

O

When the vehicle is parked, the time 

taken for the warning to start or go off 

could be extended.

O

When tire inflation pressure declines rap-

idly for example when a tire has burst, the 

warning may not function.

Q

Warning performance of the tire pres-

sure warning system

The warning of the tire pressure warning 

system will change in accordance with the 

conditions under which it was initialized. For 

this reason, the system may give a warning 

even if the tire pressure does not reach a 

low enough level, or if the pressure is higher 

than the pressure that was adjusted to when 

the system was initialized.

When replacing tires or wheels, tire 
pressure warning valves and transmit-
ters must also be installed.
When new tire pressure warning 
valves and transmitters are installed, 
new ID codes must be registered in the 
tire pressure warning computer and 
the tire pressure warning system must 
be initialized. (

P.340)

Installing tire pressure warning 
valves and transmitters

338

6-3. Do-it-yourself maintenance

Q

When replacing the tires and wheels

If the ID code of the tire pressure warning 

valve and transmitter is not registered, the 

tire pressure warning system will not work 

properly. After driving for about 10 minutes, 

the tire pressure warning light blinks for 1 

minute and stays on to indicate a system 

malfunction.

Q

The tire pressure warning system 
must be initialized in the following 
circumstances:

When rotating the tires.

When the tire inflation pressure is 
changed when changing traveling 
speed.

When the tire inflation pressure is 
changed such as when changing tire 

size. (When there are multiple spec-
ified pressures)

After registering the ID codes. 
(

P.340)

When the tire pressure warning sys-
tem is initialized, the current tire infla-
tion pressure is set as the benchmark 
pressure.

Q

How to initialize the tire pressure 
warning system

1

Park the vehicle in a safe place and 
turn the engine switch <power 
switch> off.

Initialization cannot be performed while 

the vehicle is moving.

2

Adjust the tire inflation pressure to 
the specified cold tire inflation 
pressure level.

Make sure to adjust the tire pressure to the 

specified cold tire inflation pressure level. 

The tire pressure warning system will oper-

ate based on this pressure level.

3

Turn the engine switch <power 
switch> to IGNITION ON mode 
<ON mode>.

4

Press 

 or 

 of the meter con-

trol switches and select 

.

5

Press 

 or 

 of the meter con-

trol switches and select “Vehicle 
Settings”, and then press “OK”.

6

Press 

 or 

 of the meter con-

trol switches and select “TPWS 
SET”, and then press “OK”.

7

Press 

 or 

 of the meter con-

trol switches and select “Set tire 
pressure”, and then press and hold 

NOTICE

Q

Repairing or replacing tires, wheels, 

tire pressure warning valves, trans-

mitters and tire valve caps

O

When removing or fitting the wheels, 

tires or the tire pressure warning 

valves and transmitters, contact any 

authorized Lexus retailer or Lexus 

authorized repairer, or any reliable 

repairer as the tire pressure warning 

valves and transmitters may be dam-

aged if not handled correctly.

O

Make sure to install the tire valve caps. 

If the tire valve caps are not installed, 

water could enter the tire pressure 

warning valves and the tire pressure 

warning valves could be bound.

O

When replacing tire valve caps, do not 

use tire valve caps other than those 

specified. The cap may become stuck.

Initializing the tire pressure 
warning system

339

6

6-3. Do-it-yourself maintenance

M

ain

ten

an

ce a
nd

 ca

re

“OK” until the tire pressure warn-
ing light starts blinking.

A message is displayed on the multi-infor-

mation display. Also, “--” is displayed for 

inflation pressure of each tire on the multi-

information display while the tire pressure 

warning system determines the position.

8

Drive the vehicle at approximately 
40 km/h (25mph) or more for 
approximately 10 to 30 minutes.

When initialization is complete, the infla-

tion pressure of each tire will be displayed 

on the multi-information display.
Depending on the vehicle and driving con-

ditions, initialization may take up to 

approximately 1 hour to complete.

Q

The initialization operation

O

Make sure to carry out initialization after 

adjusting the tire inflation pressure.

Also, make sure the tires are cold before 

carrying out initialization or tire inflation 

pressure adjustment.

O

If you have accidentally turned the engine 

switch <power switch> off during initial-

ization, it is not necessary to manually 

restart the initialization again, as initializa-

tion will restart automatically the next 

time the engine switch <power switch> is 

turned to IGNITION ON mode <ON 

mode>.

O

If you accidentally perform initialization 

when initialization is not necessary, adjust 

the tire inflation pressure to the specified 

level when the tires are cold, and conduct 

initialization again.

O

While the position of each tire is being 

determined and the inflation pressures 

are not being displayed on the multi-

information display, if the inflation pres-

sure of a tire drops, the tire pressure 

warning light will come on.

Q

When initialization of the tire pressure 

warning system has failed

Initialization may take longer to complete if 

the vehicle is driven on an unpaved road. 

When performing initialization, drive on a 

paved road if possible. Depending on the 

driving environment and condition of the 

tires, initialization will be completed in 

approximately 10 to 30 minutes. If initializa-

tion is not complete after driving approxi-

mately 10 to 30 minutes, continue driving 

for a while. If the inflation of each tire is not 

displayed after driving for approximately 1 

hour, perform the following procedure.

O

Park the vehicle in a safe place for 

approximately 20 minutes. Then drive 

straight (with occasional left and right 

turns) at approximately 40 km/h (25 

mph) or more for approximately 10 to 30 

minutes.

However, in the following situations, the tire 
inflation pressure will not be recorded and 
the system will not operate properly. Per-
form initialization again.

O

When performing initialization, the tire 

pressure warning light does not blink 3 

times. (Initialization will not occur while 

driving)

O

After performing initialization, the tire 

pressure warning light blinks for 1 minute 

then stays on after driving for about 20 

minutes.

If the inflation pressure of each tire is still not 
displayed, have the vehicle inspected by 
any authorized Lexus retailer or Lexus 
authorized repairer, or any reliable 
repairer.

Q

When registering ID codes

O

Initialize the tire pressure warning system 

after ID code registration. Initialization is 

disabled if the system was initialized 

340

6-3. Do-it-yourself maintenance

before registration.

O

After ID code registration, the tires are 

hot by driving. Initialize the tire pressure 

warning system after the tires become 

cold.

The tire pressure warning valve and 
transmitter is equipped with a unique 
ID code. When replacing a tire pres-
sure warning valve and transmitter, it is 
necessary to register the ID code.
When registering the ID codes, per-
form the following procedure.

1

Turn the engine switch <power 
switch> to IGNITION ON mode 
<ON mode>.

2

Press 

 or 

 of the meter con-

trol switches and select 

.

3

Press 

 or 

 of the meter con-

trol switches and select “Vehicle 
Settings”, and then press “OK”.

4

Press 

 or 

 of the meter con-

trol switches and select “TPWS 
SET”, and then press “OK”.

5

Press 

 or 

 of the meter con-

trol switches and select “Change 
wheel set”, and then press and hold 
“OK” until the tire pressure warn-
ing light starts blinking.

The change wheel set mode is activated 

and registration is started.
A message is displayed on the multi-infor-

mation display, and “--” is displayed for 

inflation pressure of each tire. Then, the tire 

pressure warning light blinks rapidly for 

approximately 1 minute and stays on.

6

Drive the vehicle at 40 km/h 
(25mph) or more for approxi-
mately 10 to 30 minutes.

When registration is completed, the tire 

pressure warning light will go off and the 

inflation pressure of each tire will be dis-

played on the multi-information display.
The time elapsed before registration is 

completed differs according to the driving 

condition and environment.

Q

Canceling the change wheel set mode

O

If turning the engine switch <power 

switch> off when in the change wheel set 

mode before driving, the change wheel 

set mode is canceled.

O

After driving when in the change wheel 

set mode, the change wheel set mode 

cannot be canceled. To cancel the mode, 

perform the procedure for ID code regis-

tration again and turn the engine switch 

<power switch> off before driving.

WARNING

Q

When initializing the tire pressure 

warning system

Do not initialize tire inflation pressure 

without first adjusting the tire inflation 

pressure to the specified level. Other-

wise, the tire pressure warning light may 

not come on even if the tire inflation 

pressure is low, or it may come on when 

the tire inflation pressure is actually nor-

mal.

Registering ID codes

 

 

 

 

 

 

 

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