Lexus LC Cabriolet (2021 year). Manual in english — page 19

394

7-2. Steps to take in an emergency

High coolant temperature warning light (warning buzzer)

: This light illuminates on the multi-information display.

Front passenger detection sensor, seat belt reminder and warning buzzer

If luggage is placed on a front passenger 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 sensor may not detect a passenger, and the warning

light may not operate properly.

If the malfunction indicator lamp comes on while driving

The malfunction indicator lamp will come on if the fuel tank becomes completely empty. If

the fuel tank is empty, refuel the vehicle immediately. The malfunction indicator lamp will go

off after several trips.
If the malfunction indicator lamp does not go off, contact any authorized Lexus retailer or

Lexus authorized repairer, or any reliable repairer as soon as possible.

Electric power steering system warning light (warning buzzer)

When the 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.

Tire pressure warning light

When a malfunction occurs in the tire pressure warning system, the tire pressure warning

light blinks to warn the driver. However, if the warning light blinks for 1 minute, and then

remains illuminated, making it difficult to determine whether the warning light was blinking

initially, turn the engine switch from off to ON and check if the warning light blinks.

When the tire pressure warning light comes on

Carry out the following procedure after the tire temperature has lowered sufficiently.

Check the tire inflation pressure and adjust to the appropriate level.

If the warning light does not go out even after several minutes, check that the tire inflation

pressure is at the specified level and carry out initialization. (



P.357)

The warning light may come on again if the above operations are conducted without first

allowing the tire temperature to lower sufficiently.

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, adjusting the tire

inflation pressure will turn off the warning light (after a few minutes).

Warning

light

Details/Actions

Indicates that the engine coolant temperature increases



Immediately stop the vehicle in a safe place.
Handling method (



P.420)

395

7-2. Steps to take in an emergency

Wh
en

troubl
e ar
ises

Conditions that the tire pressure warning system may not function properly



P.347

If the tire pressure warning light frequently comes on after blinking for 1 minute

If the tire pressure warning light frequently comes on after blinking for 1 minute when the

engine switch is turned to ON, have it checked by any authorized Lexus retailer or Lexus

authorized repairer, or any reliable repairer.

Warning buzzer

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

WARNING

If both the ABS and the brake system warning lights remain on

Stop your vehicle in a safe place immediately and contact any authorized Lexus retailer

or Lexus authorized repairer, or any reliable repairer. 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 precautions. Failure to do so could cause a loss of vehi-

cle control and result in death or serious injury.

Decelerate to the lowest appropriate speed as soon as possible. Do not drive over 80

km/h (50 mph).

Check and adjust the tire inflation pressure immediately.

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 nearest authorized

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

Avoid abrupt maneuvering and braking. 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.

NOTICE

To ensure the tire pressure warning system operates properly

Do not install tires with different specifications or makers, as the tire pressure warning

system may not operate properly.

396

7-2. Steps to take in an emergency

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

397

7-2. Steps to take in an emergency

Wh
en

troubl
e ar
ises

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 warn-

ing 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

398

7-2. Steps to take in an emergency

The ABS warning light comes on. (



P.389)

Malfunction in the charging system

The charging system warning light comes on. (



P.388)

Malfunction in the brake system

The brake system warning light comes on. (



P.388)

Malfunction in the tire pressure warning system

The tire pressure warning light comes on. (



P.393)

Remaining fuel level is low

The low fuel level warning light comes on. (



P.392)

If “Shift to P Before Exiting Vehicle” is shown

The driver’s door is opened without turning the engine 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 “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

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-

utes to recharge the 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.230, 388)

PCS (Pre-Collision System)

LKA (Lane-Keeping Assist)

Automatic High Beam

RSA (Road Sign Assist) (if equipped)

Dynamic radar cruise control with full-speed range

If “Engine Stopped Steering Power Low” 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 “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

399

7-2. Steps to take in an emergency

Wh
en

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ises

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.420)

• “Battery low” (



P.405)

• “Transmission Fluid Temp High” (



P.196)

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

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. 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”

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

tery.

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.

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.

400

7-2. Steps to take in an emergency

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.393)

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.356)

401

7-2. Steps to take in an emergency

Wh
en

troubl
e ar
ises

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



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



P.404)



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



P.219)



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



P.192)



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



P.64)



There may be a malfunction in the
shift control system.

(



P.195)



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 battery may be discharged.
(



P.405)



The battery terminal connections
may be loose or corroded.
(



P.344)

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 battery terminals
may be disconnected. (



P.344)



The battery may be discharged.
(



P.405)



There may be a malfunction in the
steering lock system.

If the engine will not start

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



P.192), 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
headlights do not turn on, or the
horn does not sound.

402

7-2. Steps to take in an emergency

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.204)

Parking brake indicator will come on.

Turn the engine switch to ACC.

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.

Starting the engine in an emer-
gency

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 reli-

able repairer immediately with all

remaining electronic keys and the card

key that were provided with your vehicle.

403

7-2. Steps to take in an emergency

Wh
en

troubl
e ar
ises

Open the cover inside the trunk, take
out and pull the tab.

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.121)

Use the mechanical key (



P.110) in

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

NOTICE

After opening the fuel filler door

Secure the tab in its original position.

If the electronic key does not
operate properly

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



P.121) 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 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

404

7-2. Steps to take in an emergency

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.

When the electronic key is detected, a

buzzer sounds and the engine switch will

turn to ON.
When the smart entry & start system is

deactivated in customization setting, the

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

405

7-2. Steps to take in an emergency

Wh
en

troubl
e ar
ises

engine switch will turn to ACC.

Firmly depress the brake pedal and

check that

is shown on the

multi-information display.

Press the engine switch.

In the event that the engine still cannot
be started, contact any authorized
Lexus retailer or Lexus authorized
repairer, or any reliable repairer.

Stopping the engine

Set the parking brake, shift the shift position

to P and press the engine switch as you nor-

mally do when stopping the engine.

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.369)

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 modes

Release the brake pedal and press the

engine switch in step

above.

The engine does not start and modes will be

changed each time the switch is pressed.

(



P.194)

Use the mechanical key (



P.110) in

order to perform the following opera-
tions:

Locking and unlocking the doors



P.403

Opening the trunk

Slide the rear passengers’ seat
belts towards the outside.

If the seat belt is secured using the rear

seat belt holder, remove it. (



P.35)

Insert your fingers at the positions
marked

and pull towards you to

If the battery is discharged

The following procedures may be
used to start the engine or opening
the doors, trunk or glove box if the
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

406

7-2. Steps to take in an emergency

remove the cover in the center of
the rear seat.

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

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.320)

Remove the cover using a flathead
screwdriver.

To prevent damage to the cover, cover the

tip of the screwdriver with a rag.

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.

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

407

7-2. Steps to take in an emergency

Wh
en

troubl
e ar
ises

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.

If you have a set of jumper (or booster)
cables and a second vehicle with a bat-
tery, 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.78)

Open the hood (



P.336) and

open the fuse box cover.

Push the tab in and lift the lid off.



Left-hand drive vehicles



Right-hand drive vehicles

Open the exclusive jump starting
terminal cover.



Left-hand drive vehicles

Restarting the engine

408

7-2. Steps to take in an emergency



Right-hand drive vehicles

Remove the engine cover.

Connect a positive jumper cable clamp to

on your vehicle and connect the

clamp on the other end of the positive cable to

on the second vehicle.

Then, connect a negative cable clamp to

on the second vehicle and con-

nect the clamp at the other end of the negative cable to



Left-hand drive vehicles

409

7-2. Steps to take in an emergency

Wh
en

troubl
e ar
ises



Right-hand drive vehicles

Exclusive jump starting terminal (your vehicle)

Positive (+) battery terminal (second vehicle)

Negative (-) battery terminal (second vehicle)

Solid, stationary, unpainted metallic point away from the exclusive jump starting
terminal and any moving parts as shown in the illustration

Start the engine of the second vehi-
cle. Increase the engine speed
slightly and maintain at that level for
approximately 5 minutes to
recharge the battery of your vehi-
cle.

Open and close any of the door of
your vehicle with the engine switch
OFF.

Maintain the engine speed of the
second vehicle and start the engine
of your vehicle by turning the
engine switch to ON.

Once the vehicle’s engine has
started, remove the jumper cables
in the exact reverse order from
which they were connected.

Close the exclusive jump starting
terminal cover, and reinstall the
fuse box cover and engine cover to
its original position.

Once the engine starts, have the vehicle

inspected at any authorized Lexus retailer

or Lexus authorized repairer, or any reli-

able repairer as soon as possible.

Starting the engine when the battery is

discharged

The engine cannot be started by push-start-

ing.

To prevent battery discharge

Turn off the headlights and the audio sys-

tem while the engine is stopped.

Turn off any unnecessary electrical com-

ponents when the vehicle is running at a

low speed for an extended period, such

as in heavy traffic.

A
B
C
D

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