Lexus LC (2021 year). Manual in english - page 22

451

7-2. Steps to take in an emergency

Wh
en

troubl
e ar
ises

If a warning message is dis-
played

The multi-information display
shows warnings of system malfunc-
tions, incorrectly performed opera-
tions, and messages that indicate a
need for maintenance. When a
message is shown, perform the cor-
rection procedure appropriate to
the message.

When the main meter is in the center
position:

Master warning light

The master warning light also comes on
or flashes in order to indicate that a mes-
sage is currently being displayed on the
multi-information display.

Multi-information display

Follow the instructions of the message
on the multi-information display.
If any of the warning messages is shown
again after the appropriate actions have
been performed, contact any autho-
rized Lexus retailer or Lexus authorized
repairer, or any reliable repairer.

When the main meter is in the side
position:

Master warning light

The master warning light also comes on
or flashes in order to indicate that a mes-
sage is currently being displayed on the
multi-information display.

Multi-information display

452

7-2. Steps to take in an emergency

The warning lights and warning buzzers operate as follows depending on the con-
tent of the message. If a message indicates the need for inspection by a dealer, have
the vehicle inspected by any authorized Lexus retailer or Lexus authorized
repairer, or any reliable repairer immediately.

: A buzzer sounds the first time a message is shown on the multi-information display.

Warning messages

The warning messages explained below may differ from the actual messages according to

operation conditions and vehicle specifications.

System warning lights

The master warning light does not come on or flash in the following cases. Instead, a sepa-

rate system warning light will come on along with a message or image shown on the multi-

information display.

Malfunction in the ABS

Messages and warnings

System warning

light

Warning

buzzer

Warning

Comes on

Sounds

Indicates an important situation, such
as when a system related to driving is
malfunctioning or that danger may
result if the correction procedure is not
performed

Comes on



Sounds



Comes on or

flashes

Sounds

Indicates an important situation, such
as when the systems shown on the
multi-information display may be mal-
functioning

Flashes



Sounds

Indicates a situation, such as when
damage to the vehicle or danger may
result

Comes on



Does not sound

Indicates a condition, such as malfunc-
tion of electrical components, their
condition, or indicates the need for
maintenance

Flashes



Does not sound

Indicates a situation, such as when an
operation has been performed incor-
rectly, or indicates how to perform an
operation correctly

453

7-2. Steps to take in an emergency

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ises

The ABS warning light comes on. (



P.443)

Malfunction in the charging system

The charging system warning light comes on. (



P.441)

Malfunction in the brake system

The brake system warning light comes on. (



P.441)

Malfunction in the tire pressure warning system

The tire pressure warning light comes on. (



P.447)

Remaining fuel level is low

The low fuel level warning light comes on. (



P.446)

If “Hybrid System Overheated Output Power Reduced” is shown (LC500h)

This message may be displayed when driving under severe operating conditions. (For exam-

ple, when driving up a long steep hill.) Stop and check. (



P.476)

If “Traction Battery Needs to be Protected Refrain from the Use of N Position” is shown

(LC500h)

This message may be displayed when the shift position is in N.
As the hybrid battery (traction battery) cannot be charged when the shift position is in N,

shift the shift position to P when the vehicle is stopped.

If “Traction Battery needs to be Protected Shift into P to Restart” is shown (LC500h)

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 cer-

tain amount of time.
When operating the vehicle, shift to P and restart the hybrid system.

If “Shift to P Before Exiting Vehicle” is shown

The driver’s door is opened without turning the engine switch <power switch> to off with the

shift lever in any position other than P. Shift the shift position to P.

If “Shift Is in N Release Accelerator Before Shifting” is shown

The accelerator pedal has been depressed when the shift position is in N. Release the accel-

erator pedal and shift the shift position to D or R.

If “Depress Brake when Vehicle Is Stopped Hybrid System May Overheat” is shown

(LC500h)

The message may be displayed when the accelerator pedal is depressed to hold the vehicle

while the vehicle is stopped on an uphill etc. The hybrid system may overheat. Release the

accelerator pedal and depress the brake pedal.

If “Shift system malfunction Driving unavailable” is shown

There is a malfunction in the shift control system. Have the vehicle inspected by any autho-

rized Lexus retailer or Lexus authorized repairer, or any reliable repairer immediately.

If “Auto Power Off to Conserve Battery” is shown

LC500:

Power was turned off due to the automatic power off function. Next time when starting the

engine, increase the engine speed slightly and maintain that level for approximately 5 min-

454

7-2. Steps to take in an emergency

utes to recharge the 12-volt battery.
LC500h:

Power was turned off due to the automatic power off function. Next time when starting the

hybrid system, operate the hybrid system for approximately 5 minutes to recharge the 12-

volt battery.

If a message that indicates the need for the shift lever operation is shown

To prevent the shift lever from being operated incorrectly or the vehicle from moving unex-

pectedly, a message that requires shifting the shift lever may be shown on the multi-informa-

tion display. In that case, follow the instruction of the message and shift the shift lever.

If a message that indicates the malfunction of front camera is displayed

The following systems may be suspended until the problem shown in the message is

resolved. (



P.257, 441)

PCS (Pre-Collision System) (if equipped)

LKA (Lane-Keeping Assist) (if equipped)

Automatic High Beam (if equipped)

Dynamic radar cruise control with full-speed range (if equipped)

If “Engine Stopped Steering Power Low” (LC500) or “Hybrid System Stopped Steer-

ing Power Low” (LC500h) is shown

The steering wheel may become extremely heavy. If the steering wheel becomes heavier

than usual when operating, hold firmly and operate using more force than usual.

If “Warming Up Maximum Vehicle Speed: 110km/h” is shown (LC500h)

The transmission is being warmed up and the vehicle is unable to be driven over 110 km/h

(65 mph). Wait until the transmission warms up.

If “Stop the vehicle in a safe place Shift to P position” is shown (LC500h)

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 any authorized Lexus retailer or Lexus

authorized repairer, or any reliable repairer.

If “Oil Maintenance Required Soon” is shown (LC500h)

The engine oil is scheduled to be changed. Check the engine oil, and change if necessary.

After changing the engine oil, the message should be reset. (



P.390)

If “Engine Oil Level Low Add or Replace” is shown

The engine oil level is low. Check the level of 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 message disappears.

If a message that indicates the need for referring to Owner’s Manual is shown

If any of the following messages is shown on the multi-information display, follow the

instructions.

• “Engine Coolant Temp High” (



P.476, 476)

• “Exhaust Filter Full” (LC500h) (



P.323)

• “Battery low” (



P.465)

• “Transmission Fluid Temp High” (



P.216, 224)

If any of the following messages is shown on the multi-information display, it may indicate

a malfunction. Have the vehicle inspected by any authorized Lexus retailer or Lexus

455

7-2. Steps to take in an emergency

Wh
en

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ises

authorized repairer, or any reliable repairer immediately.

• “Entry & Start System Malfunction”

• “Shift system malfunction”

• “P switch malfunction”

• “Shift system unavailable”

If any of the following messages is shown on the multi-information display, it may indicate

a malfunction in a system or part. Immediately have the vehicle inspected by any autho-

rized Lexus retailer or Lexus authorized repairer, or any reliable repairer.

• “Hybrid System Malfunction” (LC500h)

• “Check Engine”

• “Hybrid Battery System Malfunction” (LC500h)

• “Accelerator System Malfunction”

If any of the following messages is 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.72)

• “Hybrid system stopped” (LC500h)

• “Engine stopped” (LC500h)

If any of the following messages is shown on the multi-information display, it may indicate

a malfunction. Immediately stop the vehicle and contact any authorized Lexus retailer or

Lexus authorized repairer, or any reliable repairer.

• “Braking Power Low”

• “Charging System Malfunction”

• “Oil Pressure Low”

LC500h: If “Aux Battery Low” is shown, observe the following.

• If the message disappears in a few minutes

Keep the hybrid system operating for more than approximately 15 minutes to charge the

12-volt battery.

• If the message does not disappear

Refer to “If the 12-volt battery is discharged” (



P.465) to start the hybrid system

: It is displayed for approximately 6 seconds.

If “Battery low” is shown, the 12-volt battery charge is insufficient. Recharge or replace the

12-volt battery.

LC500h: 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 following correction procedure.

• If the air intake vents and filters of the hybrid battery (traction battery) are dirty, perform

the procedure on P.369 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 any authorized Lexus retailer

or Lexus authorized repairer, or any reliable repairer.

If a message that indicates the need for visiting your any authorized Lexus retailer or

Lexus authorized repairer, or any reliable repairer is shown

The system or part shown on the multi-information display is malfunctioning. Have the vehi-

cle inspected by any authorized Lexus retailer or Lexus authorized repairer, or any reliable

repairer immediately.

Warning buzzer

In some cases, the buzzer may not be heard due to being in a noisy location or audio sound.

456

7-2. Steps to take in an emergency

NOTICE

While the engine oil level warning message is displayed

Continued engine operation with low engine oil will damage the engine.

If “High Power Consumption Partial Limit On AC/Heater Operation” is shown fre-

quently

Air conditioning, heater and other operations are temporarily limited due to high power

consumption. Turn off unnecessary electronic equipment to reduce power consumption,

and wait until the power supply returns to normal. If this message is frequently displayed,

have the vehicle inspected at any authorized Lexus retailer or Lexus authorized repairer,

or any reliable repairer.

If “Aux Battery Low See Owner’s Manual” is shown frequently (LC500h)

The 12-volt battery may deteriorate. As it may cause the 12-volt battery discharge, have

the 12-volt battery inspected by any authorized Lexus retailer or Lexus authorized

repairer, or any reliable repairer.

457

7-2. Steps to take in an emergency

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en

troubl
e ar
ises

Take your vehicle to the nearest autho-
rized Lexus retailer or Lexus autho-
rized repairer, or any reliable repairer,
or authorized tire dealer as soon as
possible if any tire goes flat.

The vehicle can be driven for a maximum
of 160 km (100 miles) at a speed below 80
km/h (50 mph) after the tire pressure
warning light comes on. (



P.447)

A run-flat tire has a

mark on the

sidewall.

In some condition (such as at high tem-

peratures)

You cannot continue driving for up to 160

km (100 miles).

For the detailed information on run-flat

tires

See the tire warranty booklet.

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

NOTICE

When replacing the tires

When removing or fitting the wheels,

tires or the tire pressure warning valve

and transmitter, contact any authorized

Lexus retailer or Lexus authorized

repairer, or any reliable repairer as the

tire pressure warning valve and transmit-

ter may be damaged if not handled cor-

rectly.

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 damaging 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 any autho-

rized Lexus retailer or Lexus authorized

repairer, or any reliable repairer or other

qualified service shop as soon as possi-

ble. Make sure to replace the tire pres-

sure warning valve and transmitter when

replacing the tire. (



P.408)

458

7-2. Steps to take in an emergency

One of the following may be the cause
of the problem:



The electronic key may not be func-
tioning properly. (



P.463)



There may not be sufficient fuel in
the vehicle’s tank.
Refuel the vehicle. (



P.246)



The engine may be flooded.
Try to restart the engine again fol-
lowing correct starting procedures.
(



P.205)



There may be a malfunction in the
engine immobilizer system.
(



P.77)



There may be a malfunction in the
shift control system.

(



P.208)



There may be a malfunction in the
steering lock system.

: 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. (



P.465)



The 12-volt battery terminal con-
nections may be loose or corroded.
(



P.395)

The engine starting system may be
malfunctioning due to an electrical
problem such as electronic key battery
depletion or a blown fuse. However, an
interim measure is available to start the
engine.

One of the following may be the cause
of the problem:



One or both of the 12-volt battery
terminals may be disconnected.
(



P.395)



The 12-volt battery may be dis-
charged. (



P.465)



There may be a malfunction in the

If the engine will not start
(LC500)

If the engine will not start even
though correct starting procedures
are being followed (



P.205), con-

sider each of the following points:

The engine will not start even
though the starter motor oper-
ates normally.

The starter motor turns over
slowly, the interior lights and
headlights are dim, or the horn
does not sound or sounds at a low
volume.

The starter motor does not turn
over

The starter motor does not turn
over, the interior lights and head-
lights do not turn on, or the horn
does not sound.

459

7-2. Steps to take in an emergency

Wh
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ises

steering lock system.

Contact any authorized Lexus retailer or
Lexus authorized repairer, or any reliable
repairer if the problem cannot be repaired,
or if repair procedures are unknown.

When the engine does not start, the
following steps can be used as an
interim measure to start the engine if
the engine switch is functioning nor-
mally. Do not use this starting proce-
dure except in cases of emergency.

Press the parking brake switch to
check that the parking brake is set.
(



P.231)

Parking brake indicator will come on.

Turn the engine switch to ACCES-
SORY mode.

Press and hold the engine switch
for about 15 seconds while
depressing the brake pedal firmly.

Even if the engine can be started using
the above steps, the system may be
malfunctioning. Have the vehicle
inspected by any authorized Lexus
retailer or Lexus authorized repairer,
or any reliable repairer.

One of the following may be the cause
of the problem:



The electronic key may not be func-
tioning properly. (



P.463)



There may not be sufficient fuel in
the vehicle’s tank.
Refuel the vehicle. (



P.246)



There may be a malfunction in the
immobilizer system. (



P.77)



There may be a malfunction in the
shift control system.

(



P.213)



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.

: It may not be possible to shift the shift

position from P.

Starting the engine in an emer-
gency

If the hybrid system will not
start (LC500h)

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.209)

460

7-2. Steps to take in an emergency

One of the following may be the cause
of the problem:



The 12-volt battery may be dis-
charged. (



P.465)



The 12-volt battery terminal con-
nections may be loose or corroded.
(



P.395)

One of the following may be the cause
of the problem:



The 12-volt battery may be dis-
charged. (



P.465)



One or both of the 12-volt battery
terminals may be disconnected.
(



P.395)

Contact any authorized Lexus retailer or
Lexus authorized repairer, or any reliable
repairer 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 pro-
cedure except in cases of emergency.

Press the parking brake switch to
check that the parking brake is set.
(



P.231)

Parking brake indicator will come on.

Turn the power switch to ACCES-
SORY mode.

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 any authorized
Lexus retailer or Lexus authorized
repairer, or any reliable repairer.

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

461

7-2. Steps to take in an emergency

Wh
en

troubl
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ises

Remove the cover in the center of
the rear seat. (



P.465)

Pull the tab.

If you lose your keys

New genuine mechanical keys can
be made by any authorized Lexus
retailer or Lexus authorized
repairer, or any reliable repairer
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 any authorized Lexus retailer or

Lexus authorized repairer, or any reliable

repairer immediately with all remaining

electronic keys and the card key that

were provided with your vehicle.

If the fuel filler door cannot
be opened

If the fuel filler door opener switch
cannot be operated, the following
procedure can be used to open the
fuel filler door.

Opening the fuel filler door

WARNING

After opening the fuel filler door

Make sure to put back the cover to the

center of the rear seat. Failure to do so

may cause an accident.

NOTICE

After opening the fuel filler door

Secure the tab in its original position.

462

7-2. Steps to take in an emergency

When the electronic key does not work

properly

Make sure that the smart entry & start

system has not been deactivated using

the Remote Touch or at any authorized

Lexus retailer or Lexus authorized

repairer, or any reliable repairer. If it is off,

turn the function on.

Check if battery-saving mode is set. If it is

set, cancel the function. (



P.139)

Use the mechanical key (



P.129) in

NOTICE

Install the tab so that it does not cover
the clip installation position

. Fail-

ure to do so may cause damage to the

clip and make it impossible to install

the cover.

If the electronic key does not
operate properly

If communication between the
electronic key and vehicle is inter-
rupted (



P.139) or the electronic

key cannot be used because the
battery is depleted, the smart entry
& start system and wireless remote
control cannot be used. In such
cases, the doors and trunk can be
opened and the engine <hybrid sys-
tem> can be started by following
the procedure below.

NOTICE

In case of a smart entry & start system

malfunction or other key-related

problems

Take your vehicle with all the electronic

keys (including the card key) provided

with your vehicle, to any authorized

Lexus retailer or Lexus authorized

repairer, or any reliable repairer as soon

as possible.

Locking and unlocking the
doors, opening the trunk and
using the key linked functions

463

7-2. Steps to take in an emergency

Wh
en

troubl
e ar
ises

order to perform the following opera-
tions:

Locking and unlocking the door

Push in the depression on the front
edge of the driver’s door handle.

Insert the mechanical key while
pulling on the driver’s door handle.

Turn the key in order to perform the
following operations.

Locks both side doors

Closes the windows (turn and
hold)

Unlocks both side doors

Opens the windows (turn and
hold)

: These settings must be customized at

any authorized Lexus retailer or Lexus
authorized repairer, or any reliable
repairer.

Opening the trunk

Unlock the doors, and press the trunk
opener switch.

Depress the brake pedal.

Touch the Lexus emblem side of the
electronic key to the engine switch
<power switch>.

When the electronic key is detected, a

buzzer sounds and the engine switch

<power switch> will turn to IGNITION ON

mode <ON mode>.
When the smart entry & start system is

deactivated in customization setting, the

engine switch <power switch> will turn to

A
B

C
D

WARNING

When using the mechanical key and

operating the power windows

Operate the power window after check-

ing to make sure that there is no possibil-

ity of any passenger having any of their

body parts caught in the window.

Also, do not allow children to operate the

mechanical key. It is possible for children

and other passengers to get caught in

the power window.

Starting the engine <hybrid sys-
tem>

464

7-2. Steps to take in an emergency

ACCESSORY mode.

Firmly depress the brake pedal and

check that

is shown on the

multi-information display.

Press the engine switch <power
switch>.

In the event that the engine <hybrid sys-
tem> still cannot be started, contact
any authorized Lexus retailer or Lexus
authorized repairer, or any reliable
repairer.

Stopping the engine <hybrid system>

Set the parking brake, shift the shift position

to P and press the engine switch <power

switch> as you normally do when stopping

the engine <hybrid system>.

Electronic key battery

As the above procedure is a temporary

measure, it is recommended that the elec-

tronic key battery be replaced immediately

when the battery is depleted. (



P.421)

Alarm (if equipped)

Using the mechanical key to lock the doors

will not set the alarm system.

If a door is unlocked using the mechanical

key when the alarm system is set, the alarm

may be triggered.

Changing engine switch <power switch>

modes

Release the brake pedal and press the

engine switch <power switch> in step

above.

The engine <hybrid system> does not start

and modes will be changed each time the

switch is pressed. (



P.207, 212)

465

7-2. Steps to take in an emergency

Wh
en

troubl
e ar
ises

Use the mechanical key (



P.129) in

order to perform the following opera-
tions:

Locking and unlocking the doors



P.462

Opening the trunk

Slide the rear passengers’ seat
belts towards the outside.

Insert your fingers at the positions
marked

and pull towards you to

remove the cover in the center of
the rear seat.

Insert the mechanical key into the
cylinder and turn it clockwise to
open.

If the 12-volt battery is dis-
charged

The following procedures may be
used to start the engine <hybrid sys-
tem> or opening the doors, trunk or
glove box if the 12-volt battery is
discharged.
You can also call any authorized
Lexus retailer or Lexus authorized
repairer, or any reliable repairer.

Locking and unlocking the doors
and opening the trunk

WARNING

After unlocking the trunk

Make sure to put back the cover to the

center of the rear seat. Failure to do so

may cause an accident.

466

7-2. Steps to take in an emergency

The glove box can be opened by per-
forming the following operations after
unlocking the doors.

If the glove box is locked, unlock it with the
mechanical key. (



P.356)

Remove the cover using a flathead
screwdriver.

To prevent damage to the cover, cover the

tip of the screwdriver with a rag.

Push the flathead screwdriver into
the part shown in the illustration to
open the glove box.

After opening the glove box

The glove box can be opened normally by

closing the glove box after restarting the

engine <hybrid system>.

If you have a set of jumper (or booster)
cables and a second vehicle with a 12-
volt battery, you can jump start your
vehicle using the following procedure.

Confirm that the electronic key
(including the card key) is being
carried.

When connecting the jumper (or booster)

cables, depending on the situation, the

alarm may activate and doors locked.

(



P.91)

NOTICE

When installing the cover in the cen-

ter of the rear seat

Make sure that the seat belts are not

caught in the cover. Failure to do so may

cause damage to the cover installation

clip and make it impossible to install the

cover.

Opening the glove box

Restarting the engine <hybrid
system>

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