fuse LEXUS LS500H 2019 Owners Manual

4TABLE OF CONTENTS
LS500h_OM_(U)_1809
5-4. Using the interior lightsInterior lights list............................. 341
5-5. Using the storage features List of storage features............... 345
Trunk features................................ 350
5-6. Using the other interior features Other interior features .............. 353
Garage door opener.................. 360
6-1. Maintenance and care Cleaning 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 ........................................ 4147-1. Essential information
Emergency 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 warn- ing buzzer sounds...................... 424
If a warning messa ge is displayed
.......................................................... 434
If you have a flat tire .................... 439
If the hybrid syst em 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 oper- ate properly ................................. 443
If the 12-volt battery is discharged .......................................................... 445
If your vehicle overheats ........... 450
If the vehicle becomes stuck ... 454
8-1. Specifications Mainte

nance data (fuel, oil level,
etc.) ................................................. 458
Fuel information............................ 468
Tire information ............................ 470
6Maintenance and care
7When trouble arises
8Vehicle specifications

3565-6. Using the other interior features
LS500h_OM_(U)_1809
■The power outlet can be used when
●12 V
The power switch is in ACCESSORY or
ON mode.
●120 VAC
The power switch is in ON mode.
1 To set the visor in the forward posi-
tion, flip it down.
NOTICE
■To avoid damaging the power outlet
Close the power outlet lid when the
power outlet is not in use.
Foreign objects or liquids that enter the
power outlet may cause a short circuit.
■To prevent the fuse from being blown
●12 V
Do not use an accessory that uses more
than 12 V 10 A.
●120 VAC
Do not use a 120 VAC appliance that
requires more than 100 W. If a 120 VAC
appliance that consumes more than 100
W is used, the protection circuit will cut
the power supply.
■To prevent incorrect operation of the
vehicle
When turning the powe r switch off, make
sure to disconnect accessories designed
for charging, such as portable chargers,
power banks, etc. from the power outlets.
If such an accessory is left connected, the
following may occur:
●The doors cannot be locked using the
smart access system with push-button
start or wireless remote control.
●The opening screen will be displayed
on the multi-information display.
●The interior lights, instrument panel
lights, etc. will illuminate.
■To prevent 12-volt battery discharge
Do not use the power outlet longer than
necessary when the hy brid system is off.
■Appliances that may not operate
properly (120 VAC)
The following 120 VAC appliances may
not operate properly even if their power
consumption is under 100 W.
●Appliances with high initial peak watt-
age
●Measuring devices that process pre-
cise data
●Other appliances that require an
extremely stable power supply
Sun visors

367
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

3806-3. Do-it-yourself maintenance
LS500h_OM_(U)_1809
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
ItemsParts and tools
12-volt battery
condition
( P.390)•Grease
• Conventional
wrench (for terminal
clamp bolts)
Brake fluid level
( P.388)
• 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.387)
•“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.385)
•“Toyota Genuine
Motor Oil” or equiv-
alent
• Rag or paper towel
•Funnel (used only for adding engine oil)
Fuses ( P.411)
•Fuse with same
amperage rating as
original
Radiator and con-
denser ( P.388)
ItemsParts and tools

3846-3. Do-it-yourself maintenance
LS500h_OM_(U)_1809
Engine oil level dipstick (P.385)
Power control unit coolant reservoir ( P.387)
Engine coolant reservoir ( P.387)
Engine oil filler cap ( P.386)
Brake fluid reservoir ( P.388)
Fuse boxes ( P.411)
Washer fluid tank ( P.389)
Engine coolant radiator ( P.388)
Power control unit coolant radiator ( P.388)
Electric cooling fan
Condenser ( P.388)
■12-volt battery
 P.390
Engine compartment
Components
A
B
C
D
E
F
G
H
I
J
K

4116-3. Do-it-yourself maintenance
LS500h_OM_(U)_1809
6
Maintenance and care
1 Turn the power switch off.
2 Open the fuse box cover.
Engine compartment: type A fuse
box
Push the tabs in and lift the lid off.
Engine compartment: type B fuse
box
Remove the engine compartment cover
( P.385) and push the tabs in and lift the
lid off.
Driver’s side instrument panel
Push the tab in and remove the lid.
Make sure to push the tab in during
removal or installation.
Passenger’s side instrument panel
Push the tab in and remove the lid.
Make sure to push the tab in during
removal or installation.
Trunk
Remove the luggage mat. ( P.350)
Push the tab in and lift the lid off.
Checking and replacing
fuses
If any of the electrical components
do not operate, a fuse may have
blown. If this happens, check and
replace the fuses as necessary.
Checking and replacing fuses

4126-3. Do-it-yourself maintenance
LS500h_OM_(U)_1809
3Remove the fuse with the pullout
tool.
Only type A fuse can be removed
using the pullout tool.
4 Check if the fuse is blown.
Type A and B:
Replace the blown fuse with a new fuse of
an appropriate amperage rating. The
amperage rating can be found on the fuse
box lid.
Type C and D:
Contact your Lexus dealer.
Type A
Normal fuse
Blown fuse
Type B
Normal fuse
Blown fuse
Type CNormal fuse
Blown fuse
A
B
A
B
A
B

4136-3. Do-it-yourself maintenance
LS500h_OM_(U)_1809
6
Maintenance and care
Type D Normal fuse
Blown fuse
■After a fuse is replaced
●When installing the lid, make sure that the
tab is installed securely.
●If the lights do not turn on even after the
fuse has been replaced, a bulb may need
replacement.
●If the replaced fuse blows again, have the
vehicle inspected by your Lexus dealer.
■If there is an overload in a circuit
The fuses are designed to blow, protecting
the wiring harness from damage.
WARNING
■To prevent system breakdowns and
vehicle fire
Observe the following precautions.
Failure to do so may cause damage to
the vehicle, and possibly a fire or injury.
●Never use a fuse of a higher amperage
rating than that indicated, or use any
other object in place of a fuse.
●Always use a genuine Lexus fuse or
equivalent.
Never replace a fuse with a wire, even
as a temporary fix.
●Do not modify the fuses or fuse boxes.
A
B
NOTICE
■Before replacing fuses
Have the cause of electrical overload
determined and repaired by your Lexus
dealer as soon as possible.

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)

4467-2. Steps to take in an emergency
LS500h_OM_(U)_1809
4Start the engine of the second vehi-
cle. Increase the engine speed
slightly and maintain at that level for
approximately 5 minutes to
recharge the 12-volt battery of your
vehicle.
5 Open and close any of the doors of
your vehicle with the power switch
off.
6 Maintain the engine speed of the
second vehicle and start the hybrid
system of your vehicle by turning
the power switch to ON mode.
7 Make sure the “READY” indicator
comes on. If the indicator does not
come on, contact your Lexus
dealer.
8 Once the hybrid system has
started, remove the jumper cables
in the exact reverse order from
which they were connected.
Method connecting jumper (or
booster) cables to the exclusive
jump starting terminal
1 Confirm that the electronic key is
being carried.
When connecting the jumper (or booster)
cables, depending on the situation, the
alarm may activate and doors locked. (
 P.74)
2 Open the hood. Remove the driver
side engine compartment cover
and fuse box cover. ( P.382,
385)
Push the tabs in and lift the lid off.
3 Open the exclusive jump starting
terminal cover.
4 Connect a positive jumper cable clamp to on your vehicle and connect the
clamp on the other end of the positive cab le to on the second vehicle. Then,
A
B