2019 LEXUS LS500H key

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LS500h_OM_(U)_1809
6
6
Maintenance and care
Maintenance and care
.6-1. Maintenance and careCleaning and protecting the vehi-cle exterior ................................ 368
Cleaning and protecting the vehi- cle interior .................................. 371
6-2. Maintenance Maintenance requirements........................................................ 375
General maintenance ............. 376
Emission inspection and mainte- nance (I/M) programs ......... 379
6-3. Do-it-yourself maintenance Do-it-yourself service precautions........................................................ 380
Hood............................................... 382
Positioning a floor jack............ 382
Engine compartment............... 384
12-volt battery............................. 390
Tires ................................................ 392
Replacing the tire ....................... 401
Tire inflation pressure .............. 405
Wheels........................................... 406
Air conditioning filter...............408
Electronic key battery ............. 409
Checking and replacing fuses .......................................................... 411
Light bulbs ..................................... 414

3686-1. Maintenance and care
LS500h_OM_(U)_1809
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.124)
■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 weather
Cleaning and protecting the
vehicle exterior
Perform cleaning in a manner
appropriate to each component
and its material.
Cleaning instructions

3906-3. Do-it-yourself maintenance
LS500h_OM_(U)_1809
The 12-volt battery is located in the
trunk under the luggage mat.
Removing the luggage mat: P.350
■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:
●If recharging with the 12-volt battery
installed on the vehicle, be sure to discon-
nect the ground cable.
●Make sure the power switch on the char-
ger is off when connecting and discon-
necting the charger cables to the 12-volt
battery.
■After recharging/reconnecting the
12-volt battery
●Unlocking the doors using the smart
access system with push-button may not
be possible immediately after reconnect-
ing the 12-volt battery. If this happens, use
the wireless remote control or the
mechanical key to lo ck/unlock the doors.
●Start the hybrid system with the power
switch in ACCESSORY mode. The
hybrid system may not start with the
power switch turned off. However, the
hybrid system will operate normally from
the second attempt.
●The power switch mode is recorded by
the vehicle. If the 12-volt battery is recon-
NOTICE
■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.
12-volt battery
Location

4096-3. Do-it-yourself maintenance
LS500h_OM_(U)_1809
6
Maintenance and care
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 operationa l 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

4106-3. Do-it-yourself maintenance
LS500h_OM_(U)_1809
1Take out the mechanical key.
2 Remove the cover.
To prevent damage to the key, cover the tip
of the flathead screwdriver with a tape.
3Remove the depleted battery.
Insert a new battery with the “+” terminal
facing up.
Replacing the batteryWARNING
■Removed battery and other parts
These parts are small and if swallowed by
a child, they can cau se 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.

415
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7
When trouble arises
When trouble arises
.7-1. Essential informationEmergency flashers................... 416
If your vehicle has to be stopped in an emergency ........................... 416
If the vehicle is trapped in rising water............................................. 417
7-2. Steps to take in an emergency If your vehicle needs to be towed......................................................... 419
If you think something is wrong ........................................................ 423
If a warning light turns on or a warning buzzer sounds ....... 424
If a warning message is displayed ........................................................ 434
If you have a flat tire.................. 439
If the hybrid system will not start ........................................................ 440
If you lose your keys ................. 442
If the fuel filler door cannot be opened........................................ 442
If the electronic key does not operate properly .................... 443
If the 12-volt battery is discharged ........................................................ 445
If your vehicle overheats ........ 450
If the vehicle becomes stuck ........................................................ 454

4387-2. Steps to take in an emergency
LS500h_OM_(U)_1809
*: Refer to the separate “Scheduled Main-
tenance” or “Owner’s Manual Supple-
ment” for the maintenance interval
applicable to your vehicle.
■If “Oil Maintenance Required Soon” is
displayed
Indicates that the engine oil should be
scheduled to be changed.
Check the engine oil and change it if neces-
sary. After changing the engine oil, make
sure to reset the message. ( P.387)
■If “Oil Maintenance Required” is dis-
played
Indicates that the engine oil should be
changed.
Check and change the en gine oil, and oil fil-
ter by your Lexus deal er. After changing the
engine oil, make sure to reset the message.
(  P.387)
■If “Shift System Malfunction Driving
Unavailable” is displayed
There is a malfunction in the shift control
system. Have the vehicle inspected by your
Lexus dealer immediately.
■If a message that in dicates the need for
the shift lever oper ation is displayed
To prevent the shift lever from being oper-
ated incorrectly or the vehicle from moving
unexpectedly, a message that requires shift-
ing the shift position may be displayed on
the multi-information display. In that case,
follow the instruction of the message and
shift the shift position.
■If a message that in dicates the need for
visiting your Lexus dealer is displayed
The system or part shown on the
multi-information display is malfunctioning.
Have the vehicle inspected by your Lexus
dealer immediately.
■If a message that in dicates the need for
referring to Owner’s Manual is dis-
played
●If any of the following messages are
shown on the multi-information display,
follow the instructions.
• “Engine Coolant Temp High” ( P.450)
•“Battery Low” ( P.445) • “Transmission Fluid Temp High” (
P.177)
●If any of the following messages are
shown on the multi-info rmation display, it
may indicate a malfunction. Have the
vehicle inspected by your Lexus dealer
immediately.
• “Access System with Elec. Key Malfunc- tion”
• “Shift System Malfunction”
• “P Switch Malfunction”
• “Shift System Unavailable”
• “Hybrid System Malfunction”
•“Check Engine”
• “Hybrid Battery System Malfunction”
• “Accelerator System Malfunction”
●If any of the following messages are
shown on the multi-info rmation display, it
may indicate a malfun ction. Immediately
stop the vehicle and contact your Lexus
dealer.
• “Braking Power Low”
• “Charging System Malfunction”
• “Oil Pressure Low”
●If any of the following messages are
shown on the multi-information display,
the vehicle may have run out of fuel. Stop
the vehicle in a safe place and, if the fuel
level is low, refuel the vehicle. ( P.66)
• “Hybrid System Stopped”
• “Engine Stopped”
●If “Maintenance Required for Traction
Battery Cooling Parts” is shown, the fil-
ters may be clogged, the air intake vents
may be blocked, or there may be a gap in
the duct. Therefore, perform the follow-
ing correction procedure.
• If the air intake vent s and filters of the
hybrid battery (traction battery) are dirty,
perform the procedure on P.372 to clean
them.
• If the warning message is shown when
the air intake vents and filters of the
hybrid battery (traction battery) are not
dirty, have the vehicle inspected by your
Lexus dealer.

4407-2. Steps to take in an emergency
LS500h_OM_(U)_1809
One of the following may be the cause
of the problem:
The electronic key may not be func-
tioning properly. ( P.443)
 There may not be sufficient fuel in
the vehicle’s tank.
Refuel the vehicle.
 There may be a malfunction in the
immobilizer system. ( P.71)
 There may be a malfunction in the
shift control system.
* ( P.173, 438)
 There may be a malfunction in the
steering lock system.
 The hybrid system may be malfunc-
tioning due to an electrical problem
such as electronic key battery
depletion or a blown fuse. However,
depending on the type of malfunc-
tion, an interim measure is available
to start the hybrid system. ( P.441)
 There is a possibility that the tem-
perature of the hybrid battery (trac-
tion battery) is extremely low
(approximately below -22°F
NOTICE
■When replacing the tires
When removing or fitting the wheels,
tires or the tire pressure warning valve
and transmitter, contact your Lexus
dealer as the tire pr essure warning valve
and transmitter may be damaged if not
handled correctly.
■When driving over bumps
If a vehicle has a flat tire, the vehicle
height will be lower than usual. Ensure
that nothing strikes the bottom of the
vehicle.
■To avoid damage to the tire pressure
warning valves and transmitters
When a tire is repaired with liquid seal-
ants, the tire pressu re warning valve and
transmitter may not operate properly. If a
liquid sealant is used , contact your Lexus
dealer or other qualified service shop as
soon as possible. Make sure to replace
the tire pressure warning valve and trans-
mitter when replacing the tire. ( P.397)
If the hybrid system will not
start
Reasons for the hybrid system not
starting vary depending on the situ-
ation. Check the following and per-
form the appropriate procedure:
The hybrid system will not start
even though the correct starting
procedure is being followed.
( P.170)