2018 LEXUS LS500H maintenance

LS500h_OM_OM50F42U_(U) 1
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9Pictorial index Search by illustration
For safety
and security Make sure to read through them
(Main topics: Child seat, theft deterrent system)
Vehicle status
information and
indicators Reading driving-related information
(Main topics: Meters, multi-information display)
Before driving Opening and closing the doors and windows,
adjustment before driving
(Main topics: Keys, doors, seats)
Driving Operations and advice which are necessary for driving
(Main topics: Starting hybrid system, refueling)
Interior features Usage of the interior features
(Main topics: Air conditioner, storage features)
Maintenance
and care Caring for your vehicle and maintenance procedures
(Main topics: Interior and exterior, light bulbs)
When trouble
arises What to do in case of malfunction and emergency
(Main topics: Battery discharge, flat tire)
Vehicle
specifications Vehicle specifications, customizable features
(Main topics: Fuel, oil, tire inflation pressure)
For owners Reporting safety defects for U.S. owners, seat belt and
SRS airbag instructions for Canadian owners
Index Search by symptom
Search alphabetically

4 TABLE OF CONTENTS
LS500h_OM_OM50F42U_(U) 5-5. Using the storage features
List of storage features............... 343
Trunk features................................ 348
5-6. Using the other interior features
Other interior features ............... 351
Garage door opener.................. 358
Lexus Enform Safety Connect
........................................................... 364
6-1. Maintenance and care
Cleaning and protecting the vehi-
cle exterior ................................... 370
Cleaning and protecting the vehi-
cle interior .................................... 373
6-2. Maintenance
Maintenance requirements ..... 378
General maintenance ................ 379
Emission inspection and mainte-
nance (I/M) programs ............ 382
6-3. Do-it-yourself maintenance
Do-it-yourself service precautions
........................................................... 383
Hood.................................................. 385
Positioning a floor jack............... 385
Engine compartment.................. 387
12-volt battery................................ 393
Tires ................................................... 395
Replacing the tire ......................... 405
Tire inflation pressure ................. 408
Wheels............................................... 410
Air conditioning filter.................... 411
Electronic key battery ................. 413
Checking and replacing fuses
............................................................ 414 Light bulbs......................................... 417
7-1. Essential information
Emergency flashers .................... 420
If your vehicle has to be stopped in
an emergency ............................ 420
7-2. Steps to take in an emergency
If your vehicle needs to be towed
........................................................... 422
If you think something is wrong
.......................................................... 426
If a warning light turns on or a warn-
ing buzzer sounds...................... 427
If a warning messa ge is displayed
.......................................................... 437
If you have a flat tire ..................... 442
If the hybrid syst em will not start
.......................................................... 443
If you lose your keys.................... 444
If the fuel filler door cannot be
opened .......................................... 445
If the electronic key does not oper-
ate properly ................................. 445
If the 12-volt battery is discharged
.......................................................... 447
If your vehicle overheats ........... 453
If the vehicle becomes stuck ... 457
8-1. Specifications
Maintenance data (fuel, oil level,
etc.) ................................................. 460
Fuel information
. ........................... 470
Tire information ............................. 4726
Maintenance and care 7
When trouble arises
8
Vehicle specifications

60 1-3. Hybrid system
LS500h_OM_OM50F42U_(U) seats, when the hybrid system is started
or stopped.●
Sounds may be heard from the hybrid
battery (traction battery) behind the rear
seats when the hybrid system starts or
stops.●
Sounds from the hybrid system may be
heard when the trunk lid is open.●
Sounds may be heard from the transmis-
sion when the gasoline engine starts or
stops, when driving at low speeds, or
during idling.●
Engine sounds may be heard when
accelerating sharply.●
Sounds may be heard due to regenera-
tive braking when the brake pedal is
depressed or as the accelerator pedal is
released.●
Vibration may be felt or sounds may be
heard when the gasoline engine starts or
stops.●
Cooling fan sounds may be heard from
the air intake vents on the both sides of
the rear seatback.■
Maintenance, repair, recycling, and dis-
posal
Contact your Lexus dealer regarding main-
tenance, repair, recycling and disposal. Do
not dispose of the vehicle yourself. ■
Customization
Some functions can be customized.
( → P.481)
When driving with the gasoline engine
stopped, a sound, which changes in
accordance with the driving speed, will
be played in order to warn people
nearby of the vehicle’s approach. The
sound will stop when the vehicle speed
exceeds approximately 15 mph (25
km/h). ■
Vehicle proximity notification system
In the following cases, the vehicle proximity
notification system may be difficult for sur-
rounding people to hear. ●
In very noisy areas ●
In the wind or the rain
Also, as the vehicle proximity notification
system is installed on the front of the vehicle,
it may be more difficult to hear from the rear
of the vehicle compared to the front. ■
Customization
Some functions can be customized.
( → P.481)
Vehicle proximity notification
system

66 1-4. Theft deterrent system
LS500h_OM_OM50F42U_(U) 1-4.Theft deterrent system
The indicator light flashes after the
power switch has been turned off to
indicate that the system is operating.
The indicator light stops flashing after
the power switch has been turned to
ACCESSORY or ON mode to indi-
cate that the system has been can-
celed. ■
System maintenance
The vehicle has a maintenance-free type
immobilizer system. ■
Conditions that may cause the system to
malfunction ●
If the grip portion of the key is in contact
with a metallic object ●
If the key is in close proximity to or touch-
ing a key to the security system (key with
a built-in transponder chip) of another
vehicle
■
Certification for the immobilizer system 
For vehicles sold in the U.S.A. , Hawaii, Guam and Puerto RicoImmobilizer system The vehicle’s keys have built-in tran-
sponder chips that prevent the
hybrid system from starting if a key
has not been previously registered
in the vehicle’s on-board computer.
Never leave the keys inside the
vehicle when you leave the vehicle.
This system is designed to help pre-
vent vehicle theft but does not
guarantee absolute security
against all vehicle thefts.
Operating the system

68 1-4. Theft deterrent system
LS500h_OM_OM50F42U_(U) ■
Items to check before locking the
vehicle
To prevent unexpected triggering of
the alarm and vehicle theft, make sure
of the following:
 Nobody is in the vehicle.
 The windows and moon roof are
closed before the alarm is set.
 No valuables or other personal
items are left in the vehicle. ■
Setting
Close the doors, trunk and hood, and
lock all the doors. The system will be
set automatically after 30 seconds. The indicator light changes from being on
to flashing when the system is set. ■
Canceling or stopping
Do one of the following to deactivate
or stop the alarms:
 Unlock the doors.
 Turn the power switch to ACCES-
SORY or ON mode, or start the
hybrid system. (The alarm will be
deactivated or stopped after a few
seconds.) ■
System maintenance
The vehicle has a maintenance-free type
alarm system. ■
Triggering of the alarm
The alarm may be triggered in the following
situations:
(Stopping the alarm deactivates the alarm
system.) ●
The trunk is opened using the mechanical
key.
●
A person inside the vehicle opens a door,
the trunk or hood, or unlocks the vehicle.Alarm The alarm uses light and sound to
give an alert when an intrusion is
detected.
The alarm is triggered in the follow-
ing situations when the alarm is set:
 A locked door or trunk is
unlocked or opened in any way
other than using the entry func-
tion, wireless remote control or
mechanical key. (The doors will
lock again automatically.)
 The hood is opened.
Setting/canceling/stopping the
alarm system

369
LS500h_OM_OM50F42U_(U) 6 6
Maintenance and care Maintenance and care .
6-1. Maintenance and care
Cleaning and protecting the vehi-
cle exterior ................................ 370
Cleaning and protecting the vehi-
cle interior ................................. 373
6-2. Maintenance
Maintenance requirements
........................................................ 378
General maintenance ............. 379
Emission inspection and mainte-
nance (I/M) programs ......... 382
6-3. Do-it-yourself maintenance
Do-it-yourself service precautions
........................................................ 383
Hood............................................... 385
Positioning a floor jack............ 385
Engine compartment............... 387
12-volt battery............................. 393
Tires ................................................ 395
Replacing the tire ...................... 405
Tire inflation pressure .............. 408
Wheels............................................ 410
Air conditioning filter................. 411
Electronic key battery .............. 413
Checking and replacing fuses
......................................................... 414
Light bulbs ..................................... 417

370 6-1. Maintenance and care
LS500h_OM_OM50F42U_(U) 6-1.Maintenance and care
 Working from top to bottom, liber-
ally apply water to the vehicle body,
wheel wells and underside of the
vehicle to remove any dirt and dust.
 Wash the vehicle body using a
sponge or soft cloth, such as a
chamois.
 For hard-to-remove marks, use car
wash soap and rinse thoroughly with
water.
 Wipe away any water.
 Wax the vehicle when the water-
proof coating deteriorates. If water does not bead on a clean surface,
apply wax when the vehicle body is cool.
■
Self-restoring coat
The vehicle body has a self-restoring coat-
ing that is resistant to small surface
scratches caused in a car wash etc.
●
The coating lasts for 5 to 8 years from
when the vehicle is delivered from the
plant.
●
The restoration time differs depending on
the depth of the scratch and outside tem-
perature.
The restoration time may become
shorter when the coating is warmed by
applying warm water.
●
Deep scratches caused by keys, coins,
etc. cannot be restored.
●
Do not use wax that contains abrasives. ■
Automatic car washes ●
Before washing the vehicle:
• Fold the mirrors
• Turn off the power trunk opener and
closer
Start washing from the front of the vehicle.
Extend the mirrors before driving.●
Brushes used in automatic car washes
may scratch the vehicl e surface and harm
your vehicle’s paint. ■
High pressure car washes ●
Do not allow the nozzles of the car wash
to come within close proximity of the win-
dows and the air suspension unit (if
equipped). ●
Before using the car wash, check that the
fuel filler door on your vehicle is closed
properly. ■
When using a car wash
If the door handle becomes wet while the
electronic key is within the effective range,
the door may lock and unlock repeatedly. In
that case, follow the following correction
procedures to wash the vehicle: ●
Place the key in a position 6 ft. (2 m) or
more separate from the vehicle while the
vehicle is being wash ed. (Take care to
ensure that the key is not stolen.) ●
Set the electronic key to battery-saving
mode to disable the smart access system
with push-button start. ( → P.120)■
Aluminum wheels ●
Remove any dirt immediately by using a
neutral detergent. ●
Wash detergent off with water immedi-
ately after use.
●
To protect the paint from damage, make
sure to observe the following precau-
tions.
• Do not use acidic, alkaline or abrasive
detergent
• Do not use hard brushes
• Do not use detergent on the wheels when
they are hot, such as after driving or park-
ing in hot weatherCleaning and protecting the
vehicle exterior Perform cleaning in a manner
appropriate to each component
and its material.
Cleaning instructions

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