Lexus RX L (2022 year). Manual in english - page 22

 

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Lexus RX L (2022 year). Manual in english - page 22

 

 

463

6

6-1. Maintenance and care

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Remove dirt and dust using a vac-
uum cleaner.

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

Use a diluted water solution of approxi-
mately 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.

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.

Remove dirt and dust using a vac-
uum cleaner.

Wipe it off with a soft cloth damp-
ened 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.

NOTICE

Be careful not to scratch or damage 

the heater wires or antenna.

Cleaning the leather areas

Cleaning the synthetic leather 
areas

464

6-2. Maintenance

6-2.Maintenance

Where to go for maintenance service?

In order to maintain your vehicle in the best 

possible condition, Lexus recommends that 

maintenance service operations as well as 

other inspections and repairs be carried out 

by authorized Lexus retailers or Lexus 

authorized repairers, or any reliable repair-

ers. For repairs and services covered by 

your warranty, please visit an authorized 

Lexus retailer or repairer, who will use gen-

uine Lexus parts in repairing any difficulties 

you may encounter. There can also be 

advantages in utilizing authorized Lexus 

retailers or repairers for non-warranty 

repairs and services, as members of the 

Lexus network will be able to expertly assist 

you with any difficulties you may encounter.
Your Lexus retailer or Lexus authorized 

repairer, or any reliable repairer will per-

form all of the scheduled maintenance on 

your vehicle reliably and economically due 

to their experience with Lexus vehicles.

Scheduled maintenance should be 
performed at specified intervals 
according to the maintenance sched-
ule.

For full details of your maintenance sched-
ule, refer to the “Lexus Service Booklet” or 
“Lexus Warranty Booklet”.

What about do-it-yourself mainte-
nance?

Many maintenance items are easy to do 
yourself if you have a little mechanical abil-
ity and a few basic automotive tools.
Note, however, that some maintenance 
tasks require special tools and skills. These 
are best performed by qualified techni-
cians. Even if you’re an experienced 
do-it-yourself mechanic, we recommend 
that repairs and maintenance be con-
ducted by any authorized Lexus retailer or 
Lexus authorized repairer, or any reliable 
repairer. Any authorized Lexus retailer or 
repairer will keep a record of maintenance, 
which could be useful should you ever 
require Warranty Service. Should you 
choose to select a qualified and equipped 
professional other than an authorized 
Lexus repairer to service or maintain your 
vehicle, we recommend that you request 
that a record of maintenance be kept.

Does your vehicle need repairs?

Be on the alert for changes in performance 

and sounds, and visual tip-offs that indicate 

service is needed. Some important clues 

are:

Engine missing, stumbling or pinging

Maintenance requirements

To ensure safe and economical driv-
ing, day-to-day care and regular 
maintenance are essential. Lexus 
recommends the following mainte-
nance:

WARNING

If your vehicle is not properly main-

tained

Improper maintenance could result in 

serious damage to the vehicle and possi-

ble death or serious injury.

Handling of the battery

Battery posts, terminals and related 

accessories contain lead and lead com-

pounds which are known to cause brain 

damage. Wash your hands after han-

dling. (

P.475)

Scheduled maintenance

Do-it-yourself maintenance

465

6

6-2. Maintenance

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Appreciable loss of power

Strange engine noises

A fluid leak under the vehicle (However, 

water dripping from the air conditioning 

system after use is normal.)

Change in exhaust sound (This may indi-

cate a dangerous carbon monoxide leak. 

Drive with the windows open and have 

the exhaust system checked immedi-

ately.)

Flat-looking tires, excessive tire squeal 

when cornering, uneven tire wear

Vehicle pulls to one side when driven 

straight on a level road

Strange noises related to suspension 

movement

Loss of brake effectiveness, spongy feel-

ing brake pedal, pedal almost touches the 

floor, vehicle pulls to one side when brak-

ing

Engine coolant temperature continually 

higher than normal (

P.87)

If you notice any of these clues, take your 

vehicle to any authorized Lexus retailer or 

Lexus authorized repairer, or any reliable 

repairer as soon as possible. Your vehicle 

may need adjustment or repair.

466

6-3. Do-it-yourself maintenance

6-3.Do-it-yourself maintenance

Do-it-yourself service pre-
cautions

If you perform maintenance by 
yourself, be sure to follow the cor-
rect procedure as given in these 
sections.

Maintenance

Items

Parts and tools

Battery condition 
(

P.475)

• Warm  water
• Baking  soda
• Grease
• Conventional 

wrench (for terminal 
clamp bolts)

Engine/inter-
cooler coolant 
level (

P.474)

• “Toyota Super Long 

Life Coolant” or a 
similar high quality 
ethylene gly-
col-based non-sili-
cate, non-amine, 
non-nitrite and 
non-borate coolant 
with long-life hybrid 
organic acid tech-
nology
“Toyota Super Long 
Life Coolant” is 
pre-mixed with 50% 
coolant and 50% 
deionized water.

• Funnel (used only for 

adding coolant)

Engine oil level 
(

P.471)

• “Toyota  Genuine 

Motor Oil” or equiv-
alent

• Rag or paper towel
• Funnel  (used  only  for 

adding engine oil)

Fuses (

P.506)

• Fuse  with  same 

amperage rating as 
original

Light bulbs 
(

P.508)

• Bulb  with  same  num-

ber and wattage rat-
ing as original

• Flathead  screw-

driver

• Wrench

Radiator, con-
denser and inter-
cooler radiator 
(

P.475)

Tire inflation pres-
sure (

P.498)

• Tire pressure gauge
• Compressed air 

source

Washer fluid 
(

P.477)

• Water or washer 

fluid containing anti-
freeze (for winter 
use)

• Funnel  (used  only  for 

adding water or 
washer fluid)

WARNING

The engine compartment contains many 

mechanisms and fluids that may move 

suddenly, become hot, or become elec-

trically energized. To avoid death or seri-

ous injury, observe the following 

precautions.

Items

Parts and tools

467

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6-3. Do-it-yourself maintenance

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WARNING

When working on the engine com-

partment

Keep hands, clothing and tools away 

from the moving fan and engine drive 

belt.

Be careful not to touch the engine, 

radiator, exhaust manifold, etc. right 

after driving as they may be hot. Oil 

and other fluids may also be hot.

Do not leave anything that may burn 

easily, such as paper and rags, in the 

engine compartment.

Do not smoke, cause sparks or expose 

an open flame to fuel or the battery. 

Fuel and battery fumes are flammable.

Be extremely cautious when working 

on the battery. It contains poisonous 

and corrosive sulfuric acid.

Take care because brake fluid can 

harm your hands or eyes and damage 

painted surfaces. If fluid gets on your 

hands or in your eyes, flush the 

affected area with clean water imme-

diately.

If you still experience discomfort, con-

sult a doctor.

When working near the electric cool-

ing fan or radiator grille

Be sure the engine switch is off.

With the engine switch in IGNITION 

ON mode, the electric cooling fan may 

automatically start to run if the air condi-

tioning is on and/or the coolant tempera-

ture is high. (

P.475)

Safety glasses

Wear safety glasses to prevent flying or 

falling material, fluid spray, etc. from get-

ting in your eyes.

NOTICE

If you remove the air cleaner filter

Driving with the air cleaner filter 

removed may cause excessive engine 

wear due to dirt in the air.

If the fluid level is low or high

It is normal for the brake fluid level to go 

down slightly as the brake pads wear or 

when the fluid level in the accumulator is 

high.

If the reservoir needs frequent refilling, it 

may indicate a serious problem.

468

6-3. Do-it-yourself maintenance

1

Pull the hood lock release lever.

The hood will pop up slightly.

2

Pull up the auxiliary catch lever and 
lift the hood.

Front

Hood

Opening the hood

WARNING

Pre-driving check

Check that the hood is fully closed and 

locked.

If the hood is not locked properly, it may 

open while the vehicle is in motion and 

cause an accident, which may result in 

death or serious injury.

Positioning a floor jack

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

Location of the jack point

469

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6-3. Do-it-yourself maintenance

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Rear

470

6-3. Do-it-yourself maintenance

RX300

Intercooler coolant reservoir (

P.474)

Engine oil filler cap (

P.472)

Engine oil level dipstick (

P.471)

Engine coolant reservoir (

P.474)

Battery (

P.475)

Fuse box (

P.506)

Radiator (

P.475)

Condenser (

P.475)

Electric cooling fans
Intercooler radiator (

P.475)

Washer fluid tank (

P.477)

Engine compartment

Components

A
B
C
D

E
F

G

H

I

J

K

471

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6-3. Do-it-yourself maintenance

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RX350/RX350L

Washer fluid tank (

P.477)

Engine oil filler cap (

P.472)

Engine oil level dipstick (

P.471)

Engine coolant reservoir (

P.474)

Battery (

P.475)

Fuse box (

P.506)

Radiator (

P.475)

Condenser (

P.475)

Electric cooling fans

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

Checking the engine oil

1

Park the vehicle on level ground. 
After warming up the engine and 
turning off the engine, 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.

A
B
C
D

E
F

G

H

I

Checking and adding the engine 
oil

472

6-3. Do-it-yourself maintenance

RX300

RX350/RX350L

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.

Flat dipstick

Low
Normal
Excessive

Non-flat dipstick

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.

Checking the oil type and prepar-
ing the item needed

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

Engine oil selection

P.585

Oil quantity (Low 

 Full)

RX300: 1.5 L (1.6 qt., 1.3 Imp. qt.) 
RX350/RX350L: 1.8 L (1.9 qt., 1.6 
Imp. qt.)

Item
Clean funnel

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

A
B
C

473

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6-3. Do-it-yourself maintenance

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RX300

RX350/RX350L

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.

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.

When the engine is new, for example 

directly after purchasing the vehicle or 

after replacing the engine

If low quality oil or oil of an inappropriate 

viscosity is used

When driving at high engine speeds or 

with a heavy load, when towing, or when 

driving while accelerating or decelerat-

ing frequently

When leaving the engine idling for a long 

time, or when driving frequently through 

heavy traffic

After changing the engine oil

The engine oil maintenance data should be 

reset. Perform the following procedures:

1

Press 

 or 

 of the meter control 

switch to select 

 on the multi-infor-

mation display.

2

Press 

 or 

 of the meter control 

switch, select the “Vehicle Settings” 

then “Oil Maintenance”. (To confirm 
setting, press 

.)

3

Select the “Yes” and press 

.

4

A message is displayed on the 

multi-information display.

WARNING

Used engine oil

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.

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 relia-

ble repairer, service station or auto 

parts store for information concerning 

recycling or disposal.

Do not leave used engine oil within the 

reach of children.

474

6-3. Do-it-yourself maintenance

Engine coolant reservoir

The coolant level is satisfactory if it is 
between the “FULL” and “LOW” lines 
on the reservoir when the engine is 
cold.

RX300

Reservoir cap
“FULL” line
“LOW” line

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

P.577)

RX350/RX350L

Reservoir cap
“FULL” line
“LOW” line

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

P.577)

Intercooler coolant reservoir 
(RX300)

The coolant level is satisfactory if it is 
between the “FULL” and “LOW” lines 
on the reservoir when the engine is 
cold.

Reservoir cap
“FULL” line
“LOW” line

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

P.577)

NOTICE

To prevent serious engine damage

Check the oil level on a regular basis.

When replacing the engine oil

Be careful not to spill engine oil on the 

vehicle components.

Avoid overfilling, or the engine could 

be damaged.

Check the oil level on the dipstick 

every time you refill the vehicle.

Be sure the engine oil filler cap is prop-

erly tightened.

Checking the coolant

A
B
C

A
B
C

A
B
C

475

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6-3. Do-it-yourself maintenance

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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 author-

ized repairer, or any reliable repairer.

If the coolant level drops within a short 

time of replenishing

Visually check the radiator, hoses, engine 

coolant reservoir caps, drain cock and 

water pump.

If you cannot find a leak, have any author-

ized 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, condenser and 
intercooler radiator and clear away 
any foreign objects.
If any of the above parts are 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.

Check the battery as follows.

Battery exterior

Make sure that the battery terminals 
are not corroded and that there are no 
loose connections, cracks, or loose 
clamps.

WARNING

When the engine is hot

Do not remove the engine coolant reser-

voir cap, intercooler coolant reservoir 

cap and radiator cap.
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

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.

If you spill coolant

Be sure to wash it off with water to pre-

vent it from damaging parts or paint.

Checking the radiator, con-
denser and intercooler radiator 
(if equipped)

WARNING

When the engine is hot

Do not touch the radiator or condenser 

as they may be hot and cause serious 

injuries, such as burns.

Battery

476

6-3. Do-it-yourself maintenance

Terminals
Hold-down clamp

Checking battery fluid

Check that the level is between the 
“UPPER LEVEL” and “LOWER 
LEVEL” lines.

“UPPER LEVEL” line
“LOWER LEVEL” line

If the fluid level is at or below the “LOWER 
LEVEL” line, add distilled water.

Adding distilled water

1

Remove the vent plug.

2

Add distilled water.

If the “UPPER LEVEL” line cannot be seen, 

check the fluid level by looking directly at 

the cell.

3

Put the vent plug back on and close 
it securely.

Before recharging

When recharging, the battery produces 

hydrogen gas which is flammable and 

explosive. Therefore, observe the following 

precautions before recharging:

If recharging with the battery installed on 

the vehicle, be sure to disconnect the 

ground cable.

Make sure the power switch on the 

charger is off when connecting and dis-

connecting the charger cables to the bat-

tery.

After recharging/reconnecting the bat-

tery

The engine may not start. Follow the pro-

cedure below to initialize the system.

1

Shift the shift lever to P.

2

Open and close any of the doors.

3

Restart the engine.

Unlocking the doors using the smart 

entry & start system may not be possible 

immediately after reconnecting the bat-

tery. If this happens, use the wireless 

remote control or the mechanical key to 

lock/unlock the doors.

Start the engine with the engine switch in 

ACCESSORY mode. The engine may 

not start with the engine switch turned off. 

A
B

A
B

477

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6-3. Do-it-yourself maintenance

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However, the engine will operate nor-

mally from the second attempt.

The engine switch mode is recorded by 

the vehicle. If the battery is disconnected 

and reconnected, the vehicle will return 

the engine switch mode to the status it 

was in before the battery was discon-

nected. Make sure to turn off the engine 

switch before disconnecting the battery. 

Take extra care when connecting the bat-

tery if the engine switch mode prior to the 

battery being disconnected is unknown.

If the system will not start even after multiple 

attempts at all the methods above, contact 

any authorized Lexus retailer or Lexus 

authorized repairer, or any reliable repairer.

If any washer does not work or the 
warning message appears on the 
multi-information display, the washer 

WARNING

Chemicals in the battery

Batteries contain poisonous and corro-

sive sulfuric acid and may produce 

hydrogen gas which is flammable and 

explosive. To reduce the risk of death or 

serious injury, take the following precau-

tions while working on or near the bat-

tery:

Do not cause sparks by touching the 

battery terminals with tools.

Do not smoke or light a match near the 

battery.

Avoid contact with eyes, skin and 

clothes.

Never inhale or swallow electrolyte.

Wear protective safety glasses when 

working near the battery.

Keep children away from the battery.

Where to safely charge the battery

Always charge the battery in an open 

area. Do not charge the battery in a 

garage or closed room where there is 

insufficient ventilation.

Emergency measures regarding 

electrolyte

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.

If electrolyte gets on your skin

Wash the affected area thoroughly. If 

you feel pain or burning, get medical 

attention immediately.

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.

If you accidentally swallow electrolyte

Drink a large quantity of water or milk. 

Get emergency medical attention 

immediately.

When there is insufficient battery 

fluid

Do not use if there is insufficient fluid in 

the battery. There is a possible danger 

that the battery may explode.

NOTICE

When recharging the battery

Never recharge the battery while the 

engine is running. Also, be sure all acces-

sories are turned off.

When adding distilled water

Avoid overfilling. Water spilled during 

battery recharging may cause corrosion.

Washer fluid

478

6-3. Do-it-yourself maintenance

tank may be empty. Add washer fluid.

Check if the treadwear indicators are 
showing on the tires. Also check the 
tires for uneven wear, such as excessive 
wear on one side of the tread.
Check the spare tire condition and 
pressure if not rotated.

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.

WARNING

When adding washer fluid

Do not add washer fluid when the engine 

is hot or running as washer fluid contains 

alcohol and may catch fire if spilled on 

the engine, etc.

NOTICE

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.

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.

Tires

Replace or rotate tires in accord-
ance with maintenance schedules 
and treadwear.

Checking tires

A
B
C

 

 

 

 

 

 

 

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