LEXUS LS 500H (2019 year). Instruction — part 26
412
6-3. Do-it-yourself maintenance
LS500h_OM_(U)_1809
3
Remove 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 C
Normal fuse
Blown fuse
A
B
A
B
A
B
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6-3. Do-it-yourself maintenance
LS500h_OM_(U)_1809
6
Mai
nte
na
nc
e a
nd
c
are
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.
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6-3. Do-it-yourself maintenance
LS500h_OM_(U)_1809
■
LED Lights
The lights consist of a number of LEDs. If
any of the LEDs burn out, take your vehicle
to your Lexus dealer to have the light
replaced.
■
Condensation build-up on the inside of
the lens
Temporary condensation build-up on the
inside of the headlight lens does not indi-
cate a malfunction. Contact your Lexus
dealer for more information in the following
situations:
●
Large drops of water have built up on the
inside of the lens.
●
Water has built up inside the headlight.
Light bulbs
If any lights burn out, have it
replaced by your Lexus dealer.
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LS500h_OM_(U)_1809
7
7
When trouble
ari
ses
When trouble arises
.
7-1. Essential information
Emergency flashers. . . . ...
If your vehicle has to be stopped in
an emergency. . . . . . ...
If the vehicle is trapped in rising
water. . . . . . . . . . . .
7-2. Steps to take in an emergency
If your vehicle needs to be towed
. . . . . . . . . . . . . . .
If you think something is wrong
. . . . . . . . . . . . . .
If a warning light turns on or a
warning buzzer sounds . ...
If a warning message is displayed
. . . . . . . . . . . . . .
If you have a flat tire. . . . ..
If the hybrid system will not start
. . . . . . . . . . . . . .
If you lose your keys. . . . .
If the fuel filler door cannot be
opened. . . . . . . . . .
If the electronic key does not
operate properly . . . . .
If the 12-volt battery is discharged
. . . . . . . . . . . . . .
If your vehicle overheats . .
If the vehicle becomes stuck
. . . . . . . . . . . . . .
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7-1. Essential information
LS500h_OM_(U)_1809
7-1.Essential information
Press the switch to flash all of the turn
signal lights.
To turn them off, press the switch once
again.
■
Emergency flashers
●
If the emergency flashers are used for a
long time while the hybrid system is not
operating (while the “READY” indicator
is not illuminated), the 12-volt battery may
discharge.
●
If any of the SRS airbags deploy (inflate)
or in the event of a strong rear impact, the
emergency flashers will turn on automati-
cally.
The emergency flashers will turn off auto-
matically after operating for approxi-
mately 20 minutes. To manually turn the
emergency flashers off, press the switch
twice.
(The emergency flashers may not turn on
automatically depending on the force of
the impact and conditions of the colli-
sion.)
1
Steadily step on the brake pedal
with both feet and firmly depress it.
Do not pump the brake pedal repeatedly
as this will increase the effort required to
slow the vehicle.
2
Shift the shift position to N.
If the shift position is shifted to N
3
After slowing down, stop the vehi-
cle in a safe place by the road.
4
Stop the hybrid system.
If the shift position cannot be shifted
to N
3
Keep depressing the brake pedal
with both feet to reduce vehicle
speed as much as possible.
4
To stop the hybrid system, press
and hold the power switch for 2
consecutive seconds or more, or
Emergency flashers
The emergency flashers are used to
warn other drivers when the vehicle
has to be stopped on the road due
to a breakdown, etc.
Operating instructions
If your vehicle has to be
stopped in an emergency
Only in an emergency, such as if it
becomes impossible to stop the
vehicle in the normal way, stop the
vehicle using the following proce-
dure:
Stopping the vehicle
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7-1. Essential information
LS500h_OM_(U)_1809
7
When trouble
ari
ses
press it briefly 3 times or more in
succession.
5
Stop the vehicle in a safe place by
the road.
Remove the seat belt first.
If the door can be opened, open the
door and exit the vehicle.
If the door can not be opened, open
the window using the power window
switch and exit the vehicle through
the window.
If the window can not be opened
using the power window switch,
remain calm, wait until the water
level inside the vehicle rises to the
point that the water pressure inside
of the vehicle equals the water pres-
sure outside of the vehicle, and then
open the door and exit the vehicle.
WARNING
■
If the hybrid system has to be turned
off while driving
Power assist for the steering wheel will
be lost, making the steering wheel
heavier to turn. Decelerate as much as
possible before turning off the hybrid sys-
tem.
If the vehicle is trapped in
rising water
In the event the vehicle is sub-
merged in water, remain calm and
perform the following.
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7-1. Essential information
LS500h_OM_(U)_1809
WARNING
■
Using an emergency hammer
*
for
emergency escape
The rear window of this vehicle can be
shattered by an emergency hammer
*
used for emergency escape, however,
since the windshield, front side windows
and rear side windows are laminated
glass they can not be shatteredby an
emergency hammer
*
.
*
: Contact your Lexus dealer or after-
market accessory manufacturerfor
further information about an emer-
gency hammer.
■
Escaping the vehicle from the window
There are cases where escaping the
vehicle from the window is not possible
due to seating position, passenger body
type, etc.
When using an emergency hammer,
consider your seat location and the size
of the window opening to ensure that the
opening is accessible and large enough
to escape.
419
7-2. Steps to take in an emergency
LS500h_OM_(U)_1809
7
When trouble
ari
ses
7-2.Steps to take in an emergency
If your vehicle needs to be
towed
If towing is necessary, we recom-
mend having your vehicle towed by
your Lexus dealer or commercial
towing service, using a wheel-lift
type truck or flatbed truck.
Use a safety chain system for all
towing, and abide by all state/pro-
vincial and local laws.
WARNING
Observe the following precautions.
Failure to do so may result in death or
serious injury.
■
When towing the vehicle
2WD models
Be sure to transport the vehicle with all
four wheels raised off the ground. If the
vehicle is towed with the tires contacting
the ground, the drivetrain and related
parts may be damaged, an accident may
occur due to a change in direction of the
vehicle or electricity generated by the
operation of the motor may cause a fire
to occur depending on the nature of the
damage or malfunction.
AWD models
Be sure to transport the vehicle with all
four wheels raised off the ground. If the
vehicle is towed with the tires contacting
the ground, the drivetrain or related
parts may be damaged, the vehicle may
fly off the truck, or electricity generated
by the operation of the motor may cause
a fire to occur depending on the nature
of the damage or malfunction.
■
While towing
●
When towing using cables or chains,
avoid sudden starts, etc. which place
excessive stress on the towing eyelets,
cables or chains. The towing eyelets,
cables or chains may become dam-
aged, broken debris may hit people,
and cause serious damage.
●
Make sure to disable all functions of
the vehicle height control of the elec-
tronically modulated air suspension.
Otherwise, the vehicle height may
change and part of your body may be
caught under the vehicle, possibly
causing injury. (
●
Do not turn the power switch off.
This may lead to an accident as the
rear wheels will be locked by the park-
ing lock.
Also, there is a possibility that the
steering wheel is locked and cannot be
operated.
420
7-2. Steps to take in an emergency
LS500h_OM_(U)_1809
In the following situations, it is not pos-
sible to be towed by another vehicle
using cables or chains, as the rear
wheels may be locked due to the park-
ing lock. Contact your Lexus dealer or
commercial towing service.
There is a malfunction in the shift
control system. (
There is a malfunction in the immo-
bilizer system. (
There is a malfunction in the smart
access system with push-button
start. (
The 12-volt battery is discharged.
(
The following may indicate a problem
with your transmission. Contact your
Lexus dealer or commercial towing
service before towing.
The hybrid system warning message
is shown on the multi-information
display and the vehicle does not
move.
The vehicle makes an abnormal
sound.
Do not tow with a sling-type truck to
prevent body damage.
WARNING
■
Installing towing eyelets to the vehi-
cle
Make sure that towing eyelets are
installed securely.
If not securely installed, towing eyelets
may come loose during towing.
NOTICE
■
To prevent damage to the vehicle
when towing using a wheel-lift type
truck
●
Do not tow the vehicle from the rear
when the power switch is off. The
steering lock mechanism is not strong
enough to hold the front wheels
straight.
●
When raising the vehicle, ensure ade-
quate ground clearance for towing at
the opposite end of the raised vehicle.
Without adequate clearance, the vehi-
cle could be damaged while being
towed.
■
To prevent damage to the vehicle
when towing with a sling-type truck
Do not tow with a sling-type truck, either
from the front or rear.
■
To prevent damage to the vehicle
during emergency towing
Do not secure cables or chains to the
suspension components.
Situations when it is not possible
to be towed by another vehicle
Situations when it is necessary to
contact dealers before towing
Towing with a sling-type truck
421
7-2. Steps to take in an emergency
LS500h_OM_(U)_1809
7
When trouble
ari
ses
From the front
Use a towing dolly under the rear
wheels.
From the rear
Use a towing dolly under the front
wheels.
If your vehicle is transported by a flat-
bed truck, it should be tied down at the
locations shown in the illustration.
If you use chains or cables to tie down
your vehicle, the angles shaded in
black must be 45°.
Do not overly tighten the tie downs or
the vehicle may be damaged.
Make sure to disable all functions of
the vehicle height control of the elec-
tronically modulated air suspension.
Otherwise, the vehicle height may
change and the vehicle may be dam-
aged. (
If a tow truck is not available in an
emergency, your vehicle may be tem-
porarily towed using cables or chains
secured to the emergency towing eye-
lets. This should only be attempted on
hard surfaced roads for short distances
at under 18 mph (30 km/h).
A driver must be in the vehicle to steer
and operate the brakes. The vehicle’s
Towing with a wheel-lift type
truck
Using a flatbed truck
Emergency towing
422
7-2. Steps to take in an emergency
LS500h_OM_(U)_1809
wheels, drive train, axles, steering and
brakes must be in good condition.
To have your vehicle towed by another
vehicle, the towing eyelet must be
installed to your vehicle. Install the tow-
ing eyelet using the following proce-
dure.
1
Take out the phillips-head screw-
driver and towing eyelet.
Phillips-head screwdriver
Towing eyelet
2
Remove the eyelet cover using a
flathead screwdriver.
To protect the bodywork, place a rag
between the screwdriver and the vehicle
body as shown in the illustration.
3
Insert the towing eyelet into the
hole and tighten partially by hand.
4
Tighten down the towing eyelet
securely using a phillips-head
screwdriver or hard metal bar.
5
Securely attach cables or chains to
the towing eyelet.
Take care not to damage the vehicle body.
6
Enter the vehicle being towed and
start the hybrid system.
If the hybrid system does not start, turn the
power switch to ON mode.
7
Shift the shift position to N and
release the parking brake.
■
While towing
If the hybrid system is off, the power assist
for the brakes and steering will not function,
making steering and braking more difficult.
Emergency towing procedure
A
B
423
7-2. Steps to take in an emergency
LS500h_OM_(U)_1809
7
When trouble
ari
ses
Fluid leaks under the vehicle.
(Water dripping from the air condi-
tioning after use is normal.)
Flat-looking tires or uneven tire
wear
Engine coolant temperature gauge
needle continually points higher
than normal.
Changes in exhaust sound
Excessive tire squeal when corner-
ing
Strange noises related to the sus-
pension system
Pinging or other noises related to
the hybrid system
Engine missing, stumbling or run-
ning roughly
Appreciable loss of power
Vehicle pulls heavily to one side
when braking
Vehicle pulls heavily to one side
when driving on a level road
Loss of brake effectiveness, spongy
feeling, pedal almost touches the
floor
If you think something is
wrong
If you notice any of the following
symptoms, your vehicle probably
needs adjustment or repair. Con-
tact your Lexus dealer as soon as
possible.
Visible symptoms
Audible symptoms
Operational symptoms
424
7-2. Steps to take in an emergency
LS500h_OM_(U)_1809
■
Brake system warning light (warning buzzer)
■
Brake system warning light (warning buzzer)
■
High coolant temperature warning light
*
(warning buzzer)
*
: This light illuminates on the multi-information display.
If a warning light turns on or a warning buzzer sounds
Calmly perform the following actions if any of the warning lights comes on or
flashes. If a light comes on or flashes, but then goes off, this does not necessar-
ily indicate a malfunction in the system. However, if this continues to occur,
have the vehicle inspected by your Lexus dealer.
Actions to the warning lights or warning buzzers
Warning light
Details/Actions
(U.S.A.)
or
(red)
(Canada)
Indicates that:
The brake fluid level is low; or
The brake system is malfunctioning
Immediately stop the vehicle in a safe place and contact your Lexus
dealer. Continuing to drive the vehicle may be dangerous.
Indicates that the brake pads are worn out (only the right-side pads can
be detected)
Have the vehicle inspected by your Lexus dealer.
Warning light
Details/Actions
(yellow)
Indicates a malfunction in:
The regenerative braking system;
The electronically controlled brake system; or
The parking brake system
Have the vehicle inspected by your Lexus dealer immediately.
Warning light
Details/Actions
Indicates that the engine coolant temperature is too high
Immediately stop the vehicle in a safe place.
Handling method (
425
7-2. Steps to take in an emergency
LS500h_OM_(U)_1809
7
When trouble
ari
ses
■
Hybrid system overheat warning light
*
(warning buzzer)
*
: This light illuminates on the multi-information display.
■
Charging system warning light
*
(warning buzzer)
*
: This light illuminates on the multi-information display.
■
Low traction battery warning light
*
(warning buzzer)
*
: This light illuminates on the multi-information display.
■
Low engine oil pressure warning light
*
(warning buzzer)
*
: This light illuminates on the multi-information display.
Warning light
Details/Actions
Indicates the hybrid system has overheated
Stop the vehicle in a safe place.
Handling method (
Warning light
Details/Actions
Indicates a malfunction in the vehicle’s charging system
Immediately stop the vehicle in a safe place and contact your Lexus
dealer.
Warning light
Details/Actions
Indicates that the charge of the hybrid battery (traction battery) has
become low due to the shift position being left in N for a long time
As the hybrid battery (traction battery) cannot be charged with the
N shift position selected, when stopping the vehicle for a long
period of time, shift the shift position to P.
If the “READY” indicator is not illuminated, shift the shift position to
P and restart the hybrid system.
Warning light
Details/Actions
Indicates that the engine oil pressure is too low
Immediately stop the vehicle in a safe place and contact your Lexus
dealer.
426
7-2. Steps to take in an emergency
LS500h_OM_(U)_1809
■
Malfunction indicator lamp (warning buzzer)
■
SRS warning light (warning buzzer)
■
Pop Up Hood warning light (warning buzzer)
■
ABS warning light (warning buzzer)
Warning light
Details/Actions
(U.S.A.)
or
(Canada)
Indicates a malfunction in:
The hybrid system;
The electronic engine control system;
The electronic throttle control system; or
The electronic hybrid transmission control system
Immediately stop the vehicle in a safe place and contact your Lexus
dealer.
Warning light
Details/Actions
Indicates a malfunction in:
The SRS airbag system;
The front passenger occupant classification system; or
The seat belt pretensioner system
Have the vehicle inspected by your Lexus dealer immediately.
Warning light
Details/Actions
Indicates that the Pop Up Hood system has operated
The Pop Up Hood system cannot be reused once it has operated.
Have it replaced by your Lexus dealer.
Indicates a malfunction in the Pop Up Hood system
Have the vehicle inspected by your Lexus dealer immediately.
Warning light
Details/Actions
(U.S.A.)
or
(Canada)
Indicates a malfunction in:
The ABS; or
The brake assist system
Have the vehicle inspected by your Lexus dealer immediately.
427
7-2. Steps to take in an emergency
LS500h_OM_(U)_1809
7
When trouble
ari
ses
■
Brake Override System warning light/Drive-Start Control warning light
*
(warning buzzer)
*
: This light illuminates on the multi-information display.
■
Electric power steering system warning light (warning buzzer)
■
Low fuel level warning light
■
Driver’s and front passenger’s seat belt reminder light (warning buzzer)
*
Warning light
Details/Actions
When a buzzer sounds:
Brake Override System is malfunctioning;
Drive-Start Control is operating;
Drive-Start Control is malfunctioning; or
Parking Support Brake function (for static objects) is operating
Follow the instructions displayed on the multi-information display.
When a buzzer does not sound:
Brake Override System is operating
Release the accelerator pedal and depress the brake pedal.
Warning light
Details/Actions
(red)
or
(yellow)
Indicates a malfunction in the EPS (Electric Power Steering) system
Have the vehicle inspected by your Lexus dealer immediately.
Warning light
Details/Actions
Indicates that remaining fuel is approximately 3.4 gal. (13 L, 2.8 Imp.
gal.) or less
Refuel the vehicle.
Warning light
Details/Actions
Warns the driver and/or front passenger to fasten their seat belts
Fasten the seat belt.
If the front passenger’s seat is occupied, the front passenger’s seat
belt also needs to be fastened to make the warning light (warning
buzzer) turn off.
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