Lexus LS500h (2022 year). Manual in english — page 28
464
7-2. Steps to take in an emergency
LEXUS LS500h Owner's Manual
■
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.
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7-2. Steps to take in an emergency
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7
When trouble
ari
ses
■
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.
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7-2. Steps to take in an emergency
LEXUS LS500h Owner's Manual
■
Inappropriate pedal operation 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
Warning light
Details/Actions
When a buzzer sounds:
Indicates a malfunction in:
The Brake Override System
The Drive-Start Control
Have the vehicle inspected by your Lexus dealer immediately.
Indicates that the shift position was changed and Drive-Start Control
was operated while depressing the accelerator pedal.
Momentarily release the accelerator pedal.
When a buzzer does not sound:
Indicates that the accelerator and brake pedals are being depressed
simultaneously, and the 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.
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7-2. Steps to take in an emergency
LEXUS LS500h Owner's Manual
7
When trouble
ari
ses
■
Driver’s and front passenger’s seat belt reminder light (warning buzzer)
*
*
: Driver’s seat belt warning buzzer:
The driver’s seat belt warning buzzer sounds to alert the driver that his or her seat belt is not
fastened. Once the power switch is turned to ON mode, the buzzer sounds. If the seat belt
is still unfastened, the buzzer sounds intermittently for a certain period of time after the
vehicle reaches a certain speed.
Front passenger’s seat belt warning buzzer:
The front passenger’s seat belt warning buzzer sounds to alert the front passenger that his
or her seat belt is not fastened. If the seat belt is unfastened, the buzzer sounds intermittenly
for a certain period of time after the vehicle reaches a certain speed.
■
Rear passengers’ seat belt reminder lights (warning buzzer)
*
*
: Rear passengers’ seat belt warning buzzer:
The rear passengers’ seat belt warning buzzer sounds to alert the rear passenger that his or
her seat belt is not fastened. If the seat belt is unfastened, the buzzer sounds intermittently
for a certain period of time, after the seat belt is fastened and unfastened and the vehicle
reaches a certain speed.
■
Tire pressure warning light
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.
Warning light
Details/Actions
Warns the rear passengers to fasten their seat belts
Fasten the seat belt.
Warning light
Details/Actions
When the light comes on after blinking for approximately 1 minute:
Malfunction in the tire pressure warning system
Have the system checked by your Lexus dealer.
When the light comes on:
Low tire inflation pressure such as
Natural causes
Flat tire
Immediately stop the vehicle in a safe place.
Handling method (
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7-2. Steps to take in an emergency
LEXUS LS500h Owner's Manual
■
LTA indicator (warning buzzer)
■
RCD OFF indicator (warning buzzer)
■
PCS warning light
Warning light
Details/Actions
(orange)
Indicates a malfunction in the LTA (Lane Tracing Assist)
Follow the instructions displayed on the multi-information display.
(
Warning light
Details/Actions
(flashes)
When a buzzer sounds:
Indicates a malfunction in the RCD (Rear Camera Detection) function
Have the vehicle inspected by your Lexus dealer immediately.
When a buzzer does not sound:
Indicates that the function temporarily cannot be used due to the cam-
era being dirty, etc.
Follow the instructions displayed on the multi-information display.
(
Warning light
Details/Actions
(flashes or illumi-
nates)
When a buzzer sounds simultaneously:
Indicates a malfunction has occurred in the PCS (Pre-Collision System).
Have the vehicle inspected by your Lexus dealer immediately.
When a buzzer does not sound:
The PCS (Pre-Collision System) has become temporarily unavailable,
corrective action may be necessary.
Follow the instructions displayed on the multi-information display.
(
If the PCS (Pre-Collision System) or VSC (Vehicle Stability Control)
system is disabled, the PCS warning light will illuminate.
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7-2. Steps to take in an emergency
LEXUS LS500h Owner's Manual
7
When trouble
ari
ses
■
Slip indicator
■
Parking brake indicator (warning buzzer)
■
Brake hold operated indicator (warning buzzer)
■
Warning buzzer
In some cases, the buzzer may not be heard
due to being in a noisy location or audio
sound.
■
Front passenger detection sensor, seat
belt reminder and warning buzzer
●
If luggage is placed on the front passen-
ger seat, the front passenger detection
sensor may cause the warning light to
flash and the warning buzzer to sound
even if a passenger is not sitting in the
seat.
●
If a cushion is placed on the seat, the sen-
sor may not detect a passenger, and the
warning light may not operate properly.
■
SRS warning light
This warning light system monitors the air-
bag sensor assembly, Pop Up Hood com-
puter assembly (if equipped), front impact
sensors, side impact sensors (front door),
side impact sensors (front), side impact sen-
sors (rear), driver’s seat belt buckle switch,
front passenger occupant classification sys-
tem (ECU and sensors), rear seat belt
buckle switches (if equipped), “AIR BAG
ON” indicator light, “AIR BAG OFF” indi-
cator light, front passenger’s seat belt
buckle switch, seat belt pretensioners, air-
Warning light
Details/Actions
Indicates a malfunction in:
The VSC system;
The TRAC system;
The hill-start assist control system;
The VGRS system (if equipped); or
The DRS system (if equipped)
Have the vehicle inspected by your Lexus dealer immediately.
Warning light
Details/Actions
(flashes)
(U.S.A.)
or
(flashes)
(Canada)
Indicates a malfunction in the parking brake system
Have the vehicle inspected by your Lexus dealer immediately.
Warning light
Details/Actions
(flashes)
Indicates a malfunction in the brake hold system
Have the vehicle inspected by your Lexus dealer immediately.
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7-2. Steps to take in an emergency
LEXUS LS500h Owner's Manual
bags, interconnecting wiring and power
sources. (
P.31)
■
If the malfunction indicator lamp comes
on while driving
First check the following:
●
Is the fuel tank empty?
If it is, fill the fuel tank immediately.
●
Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after several driving
trips.
If the light does not go off even after several
trips, contact your Lexus dealer as soon as
possible.
■
Electric power steering system warning
light (warning buzzer)
When the 12-volt battery charge becomes
insufficient or the voltage temporarily
drops, the electric power steering system
warning light may come on and the warning
buzzer may sound.
■
When the tire pressure warning light
comes on
Inspect the tires to check if a tire is punc-
tured.
If a tire is punctured:
If none of the tires are punctured:
Turn the power switch off then turn it to ON
mode. Check if the tire pressure warning
light comes on or blinks.
If the tire pressure warning light blinks for
approximately 1 minute then stays on
There may be a malfunction in the tire
pressure warning system. Have the vehicle
inspected by your Lexus dealer immedi-
ately.
If the tire pressure warning light comes
on
1
After the temperature of the tires has
lowered sufficiently, check the inflation
pressure of each tire and adjust them to
the specified level.
2
If the warning light does not turn off
even after several minutes have
elapsed, check that the inflation pres-
sure of each tire is at the specified level
and perform initialization. (
■
The tire pressure warning light may
come on due to natural causes
The tire pressure warning light may come
on due to natural causes such as natural air
leaks and tire inflation pressure changes
caused by temperature. In this case, adjust-
ing the tire inflation pressure will turn off the
warning light (after a few minutes).
■
Conditions that the tire pressure warn-
ing system may not function properly
WARNING
■
If both the ABS and the brake system
warning lights remain on
Stop your vehicle in a safe place immedi-
ately and contact your Lexus dealer.
The vehicle will become extremely
unstable during braking, and the ABS
system may fail, which could cause an
accident resulting in death or serious
injury.
■
When the electric power steering
system warning light comes on
When the light comes on yellow, the
assist to the power steering is restricted.
When the light comes on red, the assist
to the power steering is lost and handling
operations of the steering wheel become
extremely heavy.
When steering wheel operations are
heavier than usual, grip the steering
wheel firmly and operate it using more
force than usual.
■
If the tire pressure warning light
comes on
Be sure to observe the following precau-
tions.
Failure to do so could cause a loss of
vehicle control and result in death or
serious injury.
●
Decelerate to the lowest appropriate
speed as soon as possible. Do not
drive over 50 mph (80 km/h).
●
Check and adjust the tire inflation
pressure immediately.
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7-2. Steps to take in an emergency
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●
If the tire pressure warning light comes
on even after tire inflation pressure
adjustment, it is probable that you have
a flat tire. Have the flat tire replaced by
the nearest Lexus dealer.
●
Avoid abrupt maneuvering and brak-
ing.
If the vehicle tires deteriorate, you
could lose control of the steering
wheel or the brakes.
■
If a blowout or sudden air leakage
should occur
The tire pressure warning system may
not activate immediately.
■
Maintenance of the tires
Each tire, including the spare (if pro-
vided), should be checked monthly when
cold and inflated to the inflation pressure
recommended by the vehicle manufac-
turer on the vehicle placard or tire infla-
tion pressure label (tire and load
information label). (If your vehicle has
tires of a different size than the size indi-
cated on the vehicle placard or tire infla-
tion pressure label [tire and load
information label], you should determine
the proper tire inflation pressure for
those tires.)
As an added safety feature, your vehicle
has been equipped with a tire pressure
monitoring system (TPMS-tire pressure
warning system) that illuminates a low
tire pressure telltale (tire pressure warn-
ing light) when one or more of your tires
is significantly under-inflated. Accord-
ingly, when the low tire pressure telltale
(tire pressure warning light) illuminates,
you should stop and check your tires as
soon as possible, and inflate them to the
proper pressure. Driving on a signifi-
cantly under-inflated tire causes the tire
to overheat and can lead to tire failure.
Under-inflation also reduces fuel effi-
ciency and tire tread life, and may affect
the vehicle’s handling and stopping abil-
ity.
WARNING
Please note that the TPMS (tire pressure
warning system) is not a substitute for
proper tire maintenance, and it is the
driver’s responsibility to maintain correct
tire pressure, even if under-inflation has
not reached the level to trigger illumina-
tion of the TPMS low tire pressure telltale
(tire pressure warning light).
Your vehicle has also been equipped with
a TPMS (tire pressure warning system)
malfunction indicator to indicate when
the system is not operating properly. The
TPMS (tire pressure warning system)
malfunction indicator is combined with
the low tire pressure telltale (tire pres-
sure warning light). When the system
detects a malfunction, the telltale will
flash for approximately one minute and
then remain continuously illuminated.
This sequence will continue upon subse-
quent vehicle start-ups as long as the
malfunction exists. When the malfunction
indicator is illuminated, the system may
not be able to detect or signal low tire
pressure as intended.
TPMS (tire pressure warning system)
malfunctions may occur for a variety of
reasons, including the installation of
replacement or alternate tires or wheels
on the vehicle that prevent the TPMS
(tire pressure warning system) from func-
tioning properly. Always check the
TPMS (tire pressure warning system)
malfunction telltale after replacing one
or more tires or wheels on your vehicle to
ensure that the replacement or alternate
tires and wheels allow the TPMS (tire
pressure warning system) to continue to
function properly.
NOTICE
■
To ensure the tire pressure warning
system operates properly
Do not install tires with different specifi-
cations or makers, as the tire pressure
warning system may not operate prop-
erly.
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7-2. Steps to take in an emergency
LEXUS LS500h Owner's Manual
■
Warning messages
The warning messages explained below
may differ from the actual messages
according to operation conditions and vehi-
cle specifications.
■
Warning buzzer
In some cases, the buzzer may not be heard
due to being in a noisy location or audio
sound.
■
If “Engine Oil Level Low Add or
Replace” is displayed
The engine oil level is low. Check the level
of the engine oil, and add if necessary.
This message may appear if the vehicle is
stopped on a slope. Move the vehicle to a
level surface and check to see if the mes-
sage disappears.
■
If “Hybrid System Stopped Steering
Power Low” is displayed
This message is displayed if the hybrid sys-
tem is stopped while driving.
When steering wheel operations are
heavier than usual, grip the steering wheel
firmly and operate it using more force than
usual.
■
If “Hybrid System Overheated Output
Power Reduced” is displayed
This message may be displayed when driv-
ing under severe operating conditions. (For
example, when driving up a long steep hill.)
Handling method:
■
If “Warming Up Maximum Vehicle
Speed: 65 MPH” is displayed
The transmission is being warmed up and
the vehicle is unable to be driven over 65
mph (110 km/h). Wait until the transmission
warms up.
■
If “Stop the Vehicle in a Safe Place Shift
to P position” is displayed
There may be a malfunction in the hybrid
system or the shift position may be shifted to
N for a long time. Immediately stop the
vehicle and contact your Lexus dealer.
■
If “Traction Battery Needs to be Pro-
tected Refrain From the Use of N Posi-
tion” is displayed
This message may be displayed when the
shift position is in N.
As the hybrid battery (traction battery) can-
not be charged when the shift position is in
N, shift the shift position to P when the vehi-
cle is stopped.
■
If “Traction Battery Needs to be Pro-
tected Shift into P to Restart” is dis-
played
This message is displayed when the hybrid
battery (traction battery) charge has
become extremely low because the vehicle
has been left with the N shift position
selected for a certain amount of time.
When operating the vehicle, shift to P and
restart the hybrid system.
■
If “Shift Is in N Release Accelerator
Before Shifting” is displayed
The accelerator pedal has been depressed
when the shift position is in N.
Release the accelerator pedal and shift the
If a warning message is dis-
played
The multi-information display
shows warnings for system malfunc-
tions and incorrectly performed
operations, and messages that indi-
cate a need for maintenance.
When a message is displayed, per-
form the appropriate corrective
action for the message.
If a warning message is displayed
again after the appropriate actions
have been performed, contact your
Lexus dealer.
Additionally, if a warning light
comes on or flashes at the same
time that a warning message is dis-
played, take the appropriate cor-
rective action for the warning light.
(
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7-2. Steps to take in an emergency
LEXUS LS500h Owner's Manual
7
When trouble
ari
ses
shift position to D or R.
■
If “Depress Brake When Vehicle Is
Stopped Hybrid System May Overheat”
is displayed
The message may be displayed when the
accelerator pedal is depressed to hold the
vehicle while the vehicle is stopped on an
incline, etc. The hybrid system may over-
heat. Release the accelerator pedal and
depress the brake pedal.
■
If “Auto Power Off to Conserve Battery”
is displayed
Power was turned off due to the automatic
power off function. Next time when starting
the hybrid system, operate the hybrid sys-
tem for approximately 5 minutes to
recharge the 12-volt battery.
■
If “Headlight System Malfunction Visit
Your Dealer” is displayed
The following systems may be malfunction-
ing. Have the vehicle inspected by your
Lexus dealer immediately.
●
The LED headlight system
●
AFS (Adaptive Front-lighting System)
●
The automatic headlight leveling system
●
AHB (Automatic High Beam)
■
If “Radar Cruise Control Unavailable
See Owner's Manual” is displayed
The dynamic radar cruise control with
full-speed range system is suspended tem-
porarily or until the problem shown in the
message is resolved. (causes and coping
methods:
■
If “Radar Cruise Control Unavailable” is
displayed
The dynamic radar cruise control with
full-speed range system cannot be used
temporarily. Use the system when it
becomes available again.
■
If a message that indicates the malfunc-
tion of front camera is displayed
The following systems may be suspended
until the problem shown in the message is
resolved. (
●
PCS (Pre-Collision system)
●
LTA (Lane Tracing Assist)
●
AHB (Automatic High Beam)
●
RSA (Road Sign Assist) (if equipped)
●
Dynamic radar cruise control with
full-speed range
■
If a message that indicates the malfunc-
tion of radar sensor is displayed
The following systems may be suspended
until the problem shown in the message is
resolved. (
●
PCS (Pre-Collision system)
●
LTA (Lane Tracing Assist)
●
Dynamic radar cruise control with
full-speed range
■
If “Maintenance Required Soon” is dis-
played
Indicates that all maintenance according to
the driven distance on the maintenance
schedule
*
should be performed soon.
Comes on approximately 4500 miles
(7200 km) after the message has been
reset. If necessary, perform maintenance.
Please reset the message after the mainte-
nance is performed. (
*
: Refer to the separate “Scheduled Main-
tenance” or “Owner’s Manual Supple-
ment” for the maintenance interval
applicable to your vehicle.
■
If “Maintenance Required Visit Your
Dealer” is displayed
Indicates that all maintenance is required to
correspond to the driven distance on the
maintenance schedule
*
.
Comes on approximately 5000 miles
(8000 km) after the message has been
reset. (The indicator will not work properly
unless the message has been reset.) Per-
form the necessary maintenance. Please
reset the message after the maintenance is
performed. (
*
: Refer to the separate “Scheduled Main-
tenance” or “Owner’s Manual Supple-
ment” for the maintenance interval
applicable to your vehicle.
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7-2. Steps to take in an emergency
LEXUS LS500h Owner's Manual
■
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. (
■
If “Oil Maintenance Required” is dis-
played
Indicates that the engine oil should be
changed.
Check and change the engine oil, and oil fil-
ter by your Lexus dealer. After changing the
engine oil, make sure to reset the message.
(
■
If “Shift System Malfunction Shifting
Unavailable Drive to a Safe Place and
Stop” or “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 indicates the need for
the shift lever operation 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 regarding Advanced Drive
is displayed
Refer to “Lexus Teammate Advanced Drive
OWNER’S MANUAL” at Lexus.com for
details.
■
If a message that indicates 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 indicates 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” (
• “Battery Low” (
• “Transmission Fluid Temp High” (
●
If any of the following messages are
shown on the multi-information display, it
may indicate a malfunction. Have the
vehicle inspected by your Lexus dealer
immediately.
• “Access System with Elec. Key Malfunc-
tion”
• “Hybrid System Malfunction”
• “Check Engine”
• “Hybrid Battery System Malfunction”
• “Accelerator System Malfunction”
• “Shift System Malfunction Apply Parking
Brake Securely When Parking See
Owner's Manual”
• “P Switch Malfunction Apply Parking
Brake Securely When Parking See
Owner's Manual”
• “Shift System Unavailable Apply Parking
Brake Securely When Parking See
Owner's Manual”
• “Shift System Malfunction See Owner's
Manual”
• “Shift System Malfunction Stop in a Safe
Place See Owner's Manual”
• “Battery Low Shifting Unavailable See
Owner's Manual”
●
If any of the following messages are
shown on the multi-information display, it
may indicate a malfunction. 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. (
• “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 vents and filters of the
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7
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hybrid battery (traction battery) are dirty,
perform the procedure on P.442to 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.
Take your vehicle to the nearest Lexus
dealer or authorized tire dealer as
soon as possible if any tire goes flat.
For XXX/XXRXX size tires
The vehicle can be driven for a maximum
of 50 miles (80 km) at a speed below 50
mph (80 km/h) after the tire pressure
warning light comes on. (
For XXX/XXRFXX size tires
The vehicle can be driven for a maximum
of 100 miles (160 km) at a speed below 50
mph (80 km/h) after the tire pressure
warning light comes on. (
A run-flat tire has a
or
mark
on the side wall.
NOTICE
■
If “High Power Consumption Partial
Limit On AC/Heater Operation” is
displayed frequently
There is a possible malfunction relating
to the charging system or the 12-volt bat-
tery may be deteriorating. Have the vehi-
cle inspected by your Lexus dealer.
■
If “Have Traction Battery Inspected”
is displayed
This message indicates that the hybrid
battery (traction battery) may require
inspection or replacement. Have the
vehicle inspected by your Lexus dealer
immediately.
Do not continue driving the vehicle, as
the hybrid system may become not able
to be started again.
If you have a flat tire
Your vehicle is not equipped with a
spare tire, but instead you can con-
tinue driving the vehicle with
run-flat tires even if any tire goes
flat.
In this case, slow down and drive
with extra caution.
Run-flat tires
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7-2. Steps to take in an emergency
LEXUS LS500h Owner's Manual
■
In some conditions (such as at high tem-
peratures)
For XXX/XXRXX size tires: You cannot
continue driving for up to 80 miles (50
km).
For XXX/XXRFXX size tires: You cannot
continue driving for up to 160 miles (100
km).
■
For the detailed information on run-flat
tires
See the tire warranty booklet.
One of the following may be the cause
of the problem:
The electronic key may not be func-
tioning properly. (
There may not be sufficient fuel in
the vehicle’s tank.
Refuel the vehicle.
There may be a malfunction in the
immobilizer system. (
There may be a malfunction in the
shift control system.
*
(
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. (
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 pressure 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 pressure 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. (
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.
(
477
7-2. Steps to take in an emergency
LEXUS LS500h Owner's Manual
7
When trouble
ari
ses
[-30°C]). (
*
: It may not be possible to shift the shift
position from P.
One of the following may be the cause
of the problem:
The 12-volt battery may be dis-
charged. (
The 12-volt battery terminal con-
nections may be loose or corroded.
(
One of the following may be the cause
of the problem:
One or both of the 12-volt battery
terminals may be disconnected.
(
The 12-volt battery may be dis-
charged. (
Contact your Lexus dealer if the problem
cannot be repaired, or if repair procedures
are unknown.
When the hybrid system does not start,
the following steps can be used as an
interim measure to start the hybrid sys-
tem if the power switch is functioning
normally.
Do not use this starting procedure
except in cases of emergency.
1
Press the parking brake switch to
check that the parking brake is set.
(
Parking brake indicator will come on.
2
Turn the power switch to ACCES-
SORY mode.
3
Press and hold the power switch for
about 15 seconds while depressing
the brake pedal firmly.
Even if the hybrid system can be
started using the above steps, the sys-
tem may be malfunctioning. Have the
vehicle inspected by your Lexus dealer.
The interior lights and head-
lights are dim, or the horn does
not sound or sounds at a low vol-
ume.
The interior lights and head-
lights do not turn on, or the horn
does not sound.
Starting the hybrid system in an
emergency
478
7-2. Steps to take in an emergency
LEXUS LS500h Owner's Manual
Remove the cover inside the trunk and
pull the lever.
If you lose your keys
New genuine mechanical keys can
be made by your Lexus dealer using
another mechanical key and the
key number stamped on your key
number plate.
Keep the plate in a safe place such
as your wallet, not in the vehicle.
NOTICE
■
When an electronic key is lost
If the electronic key remains lost, the risk
of vehicle theft increases significantly.
Visit your Lexus dealer immediately with
all remaining electronic keys and the
card key (if equipped) that were pro-
vided with your vehicle.
If the fuel filler door cannot
be opened
If the fuel filler door opener switch
cannot be operated, contact your
Lexus dealer to service the vehicle.
In case where refueling is urgently
necessary, the following procedure
can be used to open the fuel filler
door.
Opening the fuel filler door
NOTICE
■
When opening the fuel filler door
manually
●
Do not open the fuel filler door manu-
ally except in an emergency. Fuel may
overflow.
●
Using the lever to open the fuel filler
door may not allow for an adequate
reduction in fuel tank pressure before
refueling. To prevent fuel from spilling
out, turn the cap slowly when remov-
ing it.
●
During refueling, fuel may spill out
from the filler opening due to air being
discharged from inside the fuel tank.
Therefore, fill the fuel tank carefully
and slowly.
479
7-2. Steps to take in an emergency
LEXUS LS500h Owner's Manual
7
W
he
n t
ro
ub
le
a
ris
es
■
When the electronic key does not work
properly
●
Make sure that the smart access system
with push-button start has not been dis-
abled at your Lexus dealer. If it has been
disabled, re-enable it.
●
Check if battery-saving mode is set. If it is
set, cancel the function. (
■
Unlocking the door
Use the mechanical key (
order to perform the following opera-
tions:
1
Pull the driver’s door handle and
insert the mechanical key.
2
Unlock the door.
3
Remove the key, return the handle,
and then pull the handle again.
■
Locking the door
1
With the door open, push down the
inside lock button.
2
Close the door.
■
Trunk
Turn the mechanical key clockwise to
open.
If the electronic key does not
operate properly
If communication between the
electronic key and vehicle is inter-
rupted (
P.118) or the electronic
key cannot be used because the
battery is depleted, the smart
access system with push-button
start and wireless remote control
cannot be used. In such cases, the
doors and trunk can be opened and
the hybrid system can be started by
following the procedure below.
NOTICE
■
In case of a smart access system with
push-button start malfunction or
other key-related problems
Take your vehicle with all the electronic
keys provided with your vehicle to your
Lexus dealer.
Locking and unlocking the
doors, unlocking the trunk
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