2018 LEXUS LS500H engine oil

3716-1. Maintenance and care
LS500h_OM_OM50F42U_(U) 6
Maintenance and care ■
Brake caliper coating (F SPORT mod-
els)●
When using detergent, use neutral deter-
gent. Do not use hard brushes or abra-
sive cleaners, as they will damage the
coating.●
Do not use detergent on the brake cali-
pers when they are hot.●
Wash detergent off immediately after
use.■
Bumpers and side moldings
Do not scrub with abrasive cleaners. ■
Front side windows water-repellent
coating (if equipped)●
The following precautions can extend the
effectiveness of the water-repellent coat-
ing.
• Remove any dirt, etc. from the front side
windows regularly.
• Do not allow dirt and dust to accumulate
on the windows for a long period.
Clean the windows with a soft, damp
cloth as soon as possible.
• Do not use wax or glass cleaners that
contain abrasives when cleaning the win-
dows.
• Do not use any metallic objects to
remove condensation build up.●
When the water-repellent performance
has become insufficie nt, the coating can
be repaired. Contact your Lexus dealer.■
Plated portions
If dirt cannot be removed, clean the parts as
follows: ●
Use a soft cloth dampened with an
approximately 5% solution of neutral
detergent and water to clean the dirt off.
●
Wipe the surface with a dry, soft cloth to
remove any remaining moisture.
●
To remove oily deposits, use alcohol wet
wipes or a similar product. WARNING■
When washing the vehicle
Do not apply water to the inside of the
engine compartment. Doing so may
cause the electrical components, etc. to
catch fire. ■
When cleaning the windshield
Set the wiper switch to off.
If the wiper switch is in “AUTO”, the wip-
ers may operate unexpectedly in the fol-
lowing situations, and may result in hands
being caught or other serious injuries
and cause damage to the wiper blades.
Off
AUTO ●
When the upper part of the windshield
where the raindrop sensor is located is
touched by hand
●
When a wet rag or similar is held close
to the raindrop sensor
●
If something bumps against the wind-
shield
●
If you directly touch the raindrop sen-
sor body or if something bumps into
the raindrop sensor
■
Precautions regarding the exhaust
pipes
Exhaust gasses cause the exhaust pipes
to become quite hot.
When washing the vehicle, be careful not
to touch the pipes until it has cooled suffi-
ciently, as touching a hot exhaust pipes
can cause burns. A
B

378 6-2. Maintenance
LS500h_OM_OM50F42U_(U) 6-2.Maintenance
■
Repair and replacement
It is recommended that genuine Lexus parts
be used for repairs to ensure performance
of each system. If non-Lexus parts are used
in replacement or if a repair shop other than
a Lexus dealer perfor ms repairs, confirm
the warranty coverage. ■
Allow inspection and repairs to be per-
formed by a Lexus dealer●
Lexus technicians are well-trained spe-
cialists and are kept up to date with the
latest service information. They are well
informed about the operation of all sys-
tems on your vehicle.●
Keep a copy of the repa ir order. It proves
that the maintenance that has been per-
formed is under warra nty coverage. If any
problem should arise while your vehicle is
under warranty, your Lexus dealer will
promptly take care of it. General maintenance should be per-
formed on a daily basis. This can be
done by yourself or by a Lexus dealer.
Scheduled maintenance should be
performed at specified intervals
according to the maintenance sched-
ule. For details about ma intenance items and
schedules, refer to the “Warranty and Ser-
vice Guide”, “Owner’s Manual Supple-
ment” or “Scheduled Maintenance”.
■
Resetting the message indicating main-
tenance is required
After the required maintenance is per-
formed according to the maintenance
schedule, please reset the message.
To reset the message, follow the procedure
described below:
1 Press or of the meter control
switch to select .
2 Press or to select “Vehicle Set-
tings” and then press .Maintenance requirements To ensure safe and economical driv-
ing, day-to-day care and regular
maintenance are essential. It is the
owner’s responsibility to perform
regular checks. Lexus recommends
the maintenance below.
WARNING
■
If your vehicle is not properly main-
tained
Improper maintenanc e could result in
serious damage to the vehicle and possi-
ble death or serious injury.
■
Handling of the 12-volt battery
●
Engine exhaust, some of its constitu-
ents, and a wide variety of automobile
components contain or emit chemicals
known to the State of California to
cause cancer and birth defects and
other reproductive harm. Work in a
well ventilated area. ●
Oils, fuels and fluids contained in vehi-
cles as well as waste produced by
component wear contain or emit
chemicals known to the State of Cali-
fornia to cause cancer and birth
defects or other re productive harm.
Avoid exposure and wash any affected
area immediately. ●
12-volt battery post s, terminals and
related accessories contain lead and
lead compounds which are known to
cause brain damage. Wash your hands
after handling. ( → P.393)
General maintenance
Scheduled maintenance

3796-2. Maintenance
LS500h_OM_OM50F42U_(U) 6
Maintenance and care 3 Press or to select “Scheduled
Maintenance” and then press .
4 Press or to select “Yes” and
then press .
A message will be displayed on the
multi-information disp lay when the reset
procedure has been completed.
You can perform some maintenance
procedures by yourself.
Please be aware that do-it-yourself
maintenance may affect warranty cov-
erage. The use of Lexus repair manuals is recom-
mended.
For details about warra nty coverage, refer
to the separate “Owner’s Guide”, “War-
ranty and Service Guide”, “Owner’s Man-
ual Supplement” or “Warranty Booklet”.Do-it-yourself maintenance General maintenance Listed below are the general main-
tenance items that should be per-
formed at the intervals specified in
the “Warranty and Service Guide”
or “Owner’s Manual Supplement”.
It is recommended that any prob-
lem you notice should be brought to
the attention of your Lexus dealer
or qualified service shop for advice. WARNING■
If the hybrid system is operating
Turn the hybrid system off and ensure
that there is adequate ventilation before
performing maintenance checks.
Engine compartment Items Check points
Brake fluid Is the brake fluid at the
correct level?
( → P.391)
Engine/power
control unit cool-
ant Is the engine/power
control unit coolant at
the correct level?
( → P.390)
Engine oil Is the engine oil at the
correct level?
( → P.388)
Exhaust system There should not be
any fumes or strange
sounds.

3836-3. Do-it-yourself maintenance
LS500h_OM_OM50F42U_(U) 6
Maintenance and care 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
12-volt battery
condition
( → P.393) •Grease
• Conventional
wrench (for terminal
clamp bolts)
Brake fluid level
( → P.391) • FMVSS No.116 DOT
3 or SAE J1703
brake fluid
FMVSS No.116 DOT
4 or SAE J1704
brake fluid
•Rag or paper towel
• Funnel (used only for
adding brake fluid) Engine/power
control unit cool-
ant level
( → P.390) •“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
For the U.S.A.:
“Toyota Super Long
Life Coolant” is
pre-mixed with 50%
coolant and 50%
deionized water.
For Canada:
“Toyota Super Long
Life Coolant” is
pre-mixed with 55%
coolant and 45%
deionized water.
•Funnel (used only for
adding coolant)
Engine oil level
( → P.388) •“Toyota Genuine
Motor Oil” or equiv-
alent
• Rag or paper towel
•Funnel (used only for
adding engine oil)
Fuses ( → P.414) •Fuse with same
amperage rating as
original
Radiator and con-
denser ( → P.391) ⎯Items Parts and tools

384 6-3. Do-it-yourself maintenance
LS500h_OM_OM50F42U_(U) Tire inflation pres-
sure ( → P.408) • Tire pressure gauge
•Compressed air
source
Washer fluid
( → P.392) • 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. ■
When working on the engine com-
partment●
Make sure that the “ACCESSORY” or
“IGNITION ON” on the multi-infor-
mation display and the “READY” indi-
cator are both off.●
Keep hands, clothi ng and tools away
from the moving fan and engine drive
belt.
●
Be careful not to touch the engine,
power control unit, 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. Fuel fumes are
flammable. Items Parts and tools ■
When working near the electric cool-
ing fan or radiator grille
Be sure the power switch is off.
With the power switch in ON mode, the
electric cooling fan may automatically
start to run if the air conditioning is on
and/or the coolant temperature is high.
( → P.391) ■
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.

3876-3. Do-it-yourself maintenance
LS500h_OM_OM50F42U_(U) 6
Maintenance and care
Engine oil level dipstick ( → P.388)
Power control unit coolant reservoir ( → P.390)
Engine coolant reservoir ( → P.390)
Engine oil filler cap ( → P.389)
Brake fluid reservoir ( → P.391)
Fuse boxes ( → P.414)
Washer fluid tank ( → P.392)
Engine coolant radiator ( → P.391)
Power control unit coolant radiator ( → P.391)
Electric cooling fan
Condenser ( → P.391)■
12-volt battery
→ P.393Engine compartment
Components
A
B
C
D
E
F
G
H
I
J
K

388 6-3. Do-it-yourself maintenance
LS500h_OM_OM50F42U_(U) ■
Removing the engine compartment cover 
Outside 
Front
■
Installing the clips
1 Push up center portion
2 Insert
3 Press 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 hybrid system, wait
more than 5 minutes for the oil to Engine compartment cover
A NOTICE■
Checking the engine compartment
cover after installation
Make sure that the cover is securely
installed in its original position.
Checking and adding the engine
oil

3896-3. Do-it-yourself maintenance
LS500h_OM_OM50F42U_(U) 6
Maintenance and care drain back into the bottom of the
engine.
2 Holding a rag under the end, pull
the dipstick out.
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
ExcessiveThe 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.462
 Oil quantity (Low → Full)
1.6 qt. (1.5 L, 1.3 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.
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 A
B
C