Lexus RC-F (2022 year). Manual in english — page 18

303

7

7-2. Steps to take in an emergency

When trouble

ar

ises

Follow the procedure below to restart
the engine after the system is activated.

1

Turn the engine switch to ACCES-
SORY mode or turn it off.

2

Restart the engine.

Fuel pump shut off system

To minimize the risk of fuel leakage
when the engine stalls or when an
airbag inflates upon collision, the
fuel pump shut off system stops the
supply of fuel to the engine.

Restarting the engine

NOTICE

■

Before starting the engine

Inspect the ground under the vehicle.

If you find that fuel has leaked onto the

ground, the fuel system has been dam-

aged and is in need of repair. Do not

restart the engine.

304

7-2. Steps to take in an emergency

■

Brake system warning light

■

High coolant temperature warning light

*

(warning buzzer)

*

: This light illuminates on the multi-information display.

■

Charging system warning light

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 any authorized Lexus retailer or Lexus author-
ized repairer, or any reliable repairer.

Actions to the warning lights or warning buzzers

Warning light

Details/Actions

Indicates that:



The brake fluid level is low; or



The brake system is malfunctioning



Immediately stop the vehicle in a safe place and contact any
authorized Lexus retailer or Lexus authorized repairer, or any reli-
able repairer. Continuing to drive the vehicle may be dangerous.

Warning light

Details/Actions

Indicates that the engine coolant temperature is too high



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



P.341)

Warning light

Details/Actions

Indicates a malfunction in the vehicle’s charging system



Immediately stop the vehicle in a safe place and contact any
authorized Lexus retailer or Lexus authorized repairer, or any reli-
able repairer.

305

7

7-2. Steps to take in an emergency

When trouble

ar

ises

■

Low engine oil pressure warning light

*

(warning buzzer)

*

: This light illuminates on the multi-information display.

■

Malfunction indicator lamp

■

SRS warning light

■

ABS warning light

Warning light

Details/Actions

Indicates that the engine oil pressure is too low



Immediately stop the vehicle in a safe place and contact any
authorized Lexus retailer or Lexus authorized repairer, or any reli-
able repairer.

Warning light

Details/Actions

Indicates a malfunction in:



The electronic engine control system;



The electronic throttle control system; or



The electronic automatic transmission control system



Have the vehicle inspected by any authorized Lexus retailer or
Lexus authorized repairer, or any reliable repairer immediately.

Warning light

Details/Actions

Indicates a malfunction in:



The SRS airbag system; or



The seat belt pretensioner system



Have the vehicle inspected by any authorized Lexus retailer or
Lexus authorized repairer, or any reliable repairer immediately.

Warning light

Details/Actions

Indicates a malfunction in:



The ABS; or



The brake assist system



Have the vehicle inspected by any authorized Lexus retailer or
Lexus authorized repairer, or any reliable repairer immediately.

306

7-2. Steps to take in an emergency

■

Brake Override System warning light/Drive-Start Control warning light

*

(warning buzzer)

*

: This light illuminates on the multi-information display.

■

Parking brake warning light (warning buzzer

*

)

*

: A buzzer will sound if the vehicle is driven with the parking brake engaged.

■

Electric power steering system warning light (warning buzzer)

Warning light

Details/Actions

When a buzzer sounds:



Brake Override System is malfunctioning;



Drive-Start Control is operating; or



Drive-Start Control is malfunctioning



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

Indicates that the parking brake is engaged



Release the parking brake.

Warning light

Details/Actions

Indicates a malfunction in the EPS (Electric Power Steering) system



Have the vehicle inspected by any authorized Lexus retailer or
Lexus authorized repairer, or any reliable repairer immediately.

307

7

7-2. Steps to take in an emergency

When trouble

ar

ises

■

LDA (Lane Departure Alert) indicator (if equipped)

■

PCS warning light (if equipped)

■

Slip indicator

Warning light

Details/Actions

(orange)

If the LDA indicator is illuminated:
Indicates a malfunction in the LDA (Lane Departure Alert with steering
control) system.



Check the warning message displayed on the multi-information
display. (



P.174)

If the LDA indicator flashes:
Indicates that the vehicle has deviated from the lane (while the LDA
[Lane Departure Alert with steering control] system is operating)



Check the area around the vehicle and return the vehicle to
between the lane lines.

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



P.159, 313)

If the PCS (Pre-Collision System) or VSC (Vehicle Stability Control)
system is disabled, the PCS warning light will illuminate.



P.167

Warning light

Details/Actions

Indicates a malfunction in:



The VSC (Vehicle Stability Control) system;



The TRC (Traction Control) system; or



The hill-start assist control system

The light will flash when the VSC or the TRC system is operating.



Have the vehicle inspected by any authorized Lexus retailer or
Lexus authorized repairer, or any reliable repairer immediately.

308

7-2. Steps to take in an emergency

■

Automatic headlight leveling system warning light

■

Open door warning light (warning buzzer)

*

*

: Open door warning buzzer:



P.99

■

Low fuel level warning light

■

Driver’s and front passenger’s seat belt reminder light (warning buzzer)

*

*

: Driver’s and front passenger’s seat belt warning buzzer:

The driver’s and front passenger’s seat belt warning buzzer sounds to alert the driver and

front 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 vehicle reaches a cer-
tain speed.

■

Rear passengers’ seat belt reminder lights

*1

(warning buzzer)

*2

Warning light

Details/Actions

Indicates a malfunction in the automatic headlight leveling system



Have the vehicle inspected by any authorized Lexus retailer or
Lexus authorized repairer, or any reliable repairer immediately.

Warning light

Details/Actions

Indicates that a door or the trunk is not fully closed



Check that both side doors and the trunk are closed.

Warning light

Details/Actions

Indicates that remaining fuel is approximately 10 L (2.6 gal., 2.2 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.

Warning light

Details/Actions

Warns the rear passengers to fasten their seat belts



Fasten the seat belt.

309

7

7-2. Steps to take in an emergency

When trouble

ar

ises

*1

: This light illuminates on the center panel.

*2

: 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 intermit-
tently for a certain period of time, after the seat belt is fastened and unfastened and the
vehicle reaches a certain speed.

■

Master warning light (warning buzzer)

■

Tire pressure warning light

■

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.

■

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 indi-

Warning light

Details/Actions

A buzzer sounds and the warning light comes on and flashes to indicate
that the master warning system has detected a malfunction.



P.311

Warning light

Details/Actions

When the light comes on:
Low tire inflation pressure such as



Natural causes (



P.310)



Flat tire (



P.314, P.326)



Adjust the tire inflation pressure to the specified level. The light will
turn off after a few minutes. In case the light does not turn off even if
the tire inflation pressure is adjusted, have the system checked by
any authorized Lexus retailer or Lexus authorized repairer, or any
reliable repairer.

When the light comes on after blinking for 1 minute:
Malfunction in the tire pressure warning system



Have the system checked by any authorized Lexus retailer or
Lexus authorized repairer, or any reliable repairer.

310

7-2. Steps to take in an emergency

cator 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 insuffi-

cient 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

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.

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, 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



P.282

■

If the tire pressure warning light fre-

quently 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 IGNITION

ON mode, have it checked by any author-

ized Lexus retailer or Lexus authorized

repairer, or any reliable repairer.

WARNING

■

If both the ABS and the brake system

warning lights remain on

Stop your vehicle in a safe place immedi-

ately and contact any authorized Lexus

retailer or Lexus authorized repairer, or

any reliable repairer. The vehicle will

become extremely unstable during brak-

ing, 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

The steering wheel may 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.



Vehicles with a spare tire

●

Stop your vehicle in a safe place as

soon as possible. Adjust the tire infla-

tion 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. Check the tires. If a tire is flat,

change it with the spare tire and have

the flat tire repaired by the nearest

authorized Lexus retailer or Lexus

authorized repairer, or any reliable

repairer.

●

Avoid abrupt maneuvering and brak-

ing. If the vehicle tires deteriorate, you

could lose control of the steering

wheel or the brakes.



Vehicles with an emergency tire punc-

ture repair kit

311

7

7-2. Steps to take in an emergency

When trouble

ar

ises

WARNING

●

Stop your vehicle in a safe place as

soon as possible. Adjust the tire infla-

tion 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. Check the tires. If a tire is flat,

repair the flat tire by using emergency

tire puncture repair kit.

●

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.

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.

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.

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 message are shown
again after the following actions have
been performed, contact any author-
ized Lexus retailer or Lexus authorized
repairer, or any reliable repairer.

A

B

312

7-2. Steps to take in an emergency

The master warning light and warning buzzers operate as follows depending on
the content 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.



In some situations, the master warning light and warning buzzer may not oper-
ate as specified. In this case, follow the instructions displayed in the warning
message.



If a warning light comes on or flashes at the same time that a warning message is
displayed, take corrective action according to the warning light. (



P.304)

*

: 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 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 “Engine Stopped Steering Power

Low” is displayed

This message is displayed if the engine is

stopped while driving.

Messages and warnings

Warning buzzer

*

Warning

Comes on

Sounds

Indicates an important situation, such as when a sys-
tem related to driving is malfunctioning or that dan-
ger may result if the correction procedure is not
performed

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 malfunction of electri-
cal components, their condition, or indicates the
need for maintenance

Flashes

Does not sound

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

313

7

7-2. Steps to take in an emergency

When trouble

ar

ises

When steering wheel operations are heav-

ier than usual, grip the steering wheel firmly

and operate it using more force than usual.

■

If “Power Turned Off to Save Battery” is

displayed

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 approxi-

mately 5 minutes to recharge the battery.

■

If “Headlight System Malfunction Visit

Your Dealer” is displayed

The following systems may be malfunction-

ing. Have the vehicle inspected by any

authorized Lexus retailer or Lexus author-

ized repairer, or any reliable repairer imme-

diately.

●

The LED headlight system

●

The automatic headlight leveling system

●

Automatic High Beam (if equipped)

■

If “Radar Cruise Control Unavailable” is

displayed (if equipped)

The dynamic radar cruise control 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. (



P.159, 307)

●

PCS (Pre-Collision System) (if equipped)

●

LDA (Lane Departure Alert with steering

control) (if equipped)

●

Dynamic radar cruise control (if

equipped)

●

Automatic High Beam (if equipped)

●

RSA (Road Sign Assist) (if equipped)

■

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.P.159304

●

PCS (Pre-Collision System) (if equipped)

■

If “Active Rear Wing Off Go to Settings

to turn On” is displayed

The active rear wing switch was pressed
when the active rear wing

*

was disabled.

Enable the active rear wing before pressing

the active rear wing switch. (



P.207)

*

: If equipped

■

If “TVD System Overheated Reduce

Engine Speed and Load” is displayed

The TVD system

*

has overheated, this mes-

sage may be displayed when driving under

high load conditions, such as the following:

●

When driving at high speeds or through

sharp turns continuously

●

When either rear tire has lost traction

and spun continuously

Drive the vehicle for a while, while avoiding

high load conditions.

*

: If equipped

■

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 any author-

ized Lexus retailer or Lexus authorized

repairer, or any reliable repairer immedi-

ately.

■

●

If the following messages are shown, fol-

lowing the instructions, accordingly.

• “Engine Coolant Temp High” (



P.341)

• “Transmission Fluid Temp High” (



P.135)

●

If any of the following messages are

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 immedi-

ately.

• “Smart Entry & Start System Malfunc-

tion”

●

If any of the following messages are

shown on the multi-information display, it

may indicate a malfunction. Immediately

stop the vehicle and contact any author-

ized Lexus retailer or Lexus authorized

314

7-2. Steps to take in an emergency

repairer, or any reliable repairer.

• “Braking Power Low”

• “Charging System Malfunction”

• “Oil Pressure Low”



Stop the vehicle in a safe place on a
hard, flat surface.



Set the parking brake.



Shift the shift lever to P.



Stop the engine.



Turn on the emergency flashers.
(



P.296)



Check the degree of the tire dam-
age.

A tire should only be repaired with the
emergency tire puncture repair kit if

NOTICE

■

“High Power Consumption Partial

Limit On AC/Heater Operation” is

frequently shown

There is a possible malfunction relating

to the charging system or the battery

may be deteriorating. Have the vehicle

inspected by any authorized Lexus

retailer or Lexus authorized repairer, or

any reliable repairer.

If you have a flat tire (vehi-
cles with an emergency tire
puncture repair kit)

Your vehicle is not equipped with a
spare tire, but instead is equipped
with an emergency tire puncture
repair kit.
A puncture caused by a nail or
screw passing through the tire
tread can be repaired temporarily
with the emergency tire puncture
repair kit.

WARNING

■

If you have a flat tire

Do not continue driving with a flat tire.

Driving even a short distance with a flat

tire can damage the tire and the wheel

beyond repair. Driving with a flat tire may

cause a circumferential groove on the

side wall. In such a case, the tire may

explode when using the emergency tire

puncture repair kit, resulting in death or

serious injury.

Before repairing the vehicle

315

7

7-2. Steps to take in an emergency

When trouble

ar

ises

the damage is caused by a nail or
screw passing through the tire tread.
• Do not remove the nail or screw

from the tire. Removing the object
may widen the opening and
disenable emergency repair with
the kit.

• To avoid sealant leakage, move the

vehicle until the area of the punc-
ture, if known, is positioned at the
top of the tire.

■

A flat tire that cannot be repaired with

the emergency tire puncture repair kit

In the following cases, the tire cannot be

repaired with the emergency tire puncture

repair kit. Contact any authorized Lexus

retailer or Lexus authorized repairer, or any

reliable repairer.

●

When the tire is damaged due to driving

without sufficient air pressure

●

When the tire lost air pressure due to a

crack or damage in the tire sidewall

●

When the tire is visibly separated from

the wheel

●

When the cut or damage to the tread is 4

mm (0.16 in.) long or more

●

When the wheel is damaged

●

When 2 or more sharp objects, such as

nails or screws, have passed through the

tread on a single tire

●

When there is more than one hole or cut

in the damaged tire

●

When the sealant has expired

Location of the emergency tire puncture repair kit and tools

316

7-2. Steps to take in an emergency

Wheel nut wrench
Jack handle
Screwdriver
Emergency tire puncture repair kits
Towing eyelet
Jack
(Use of the jack:



P.328)



Bottle

Hose
Air release cap
Stickers

Emergency tire puncture repair kit components

A
B
C
D

E
F

A
B
C

317

7

7-2. Steps to take in an emergency

When trouble

ar

ises



Compressor

Compressor switch
Air pressure gauge
Power plug

■

Emergency tire puncture repair kit

●

The sealant has a limited lifespan. The

expiry date is marked on the bottle. The

sealant should be replaced before the

expiry date. Contact any authorized

Lexus retailer or Lexus authorized

repairer, or any reliable repairer for

replacement.

●

The sealant stored in the emergency tire

puncture repair kit can be used only once

to temporarily repair a single tire. If the

sealant has been used and needs to be

purchased, contact any authorized Lexus

retailer or Lexus authorized repairer, or

any reliable repairer. The compressor is

reusable.

●

The sealant can be used when the outside

temperature is from -40°C (-40°F) to

60°C (140°F).

●

The kit is exclusively designed for size

and type of tires originally installed on

your vehicle. Do not use it for tires that a

different size than the original ones, or for

any other purposes.

●

If the sealant gets on your clothes, it may

stain.

●

If the sealant adheres to a wheel or the

surface of the vehicle body, the stain may

not be removable if it is not cleaned at

once. Immediately wipe away the sealant

with a wet cloth.

●

During operation of the kit, a loud opera-

tion noise is produced. This does not indi-

cate a malfunction.

●

Do not use the emergency tire puncture

repair kit to check or to adjust the tire

pressure.

■

Note for checking the emergency tire

puncture repair kit

Check the sealant expiry date occasionally.

The expiry date is shown on the bottle. Do

not use sealant whose expiry date has

already passed. Otherwise, repairs con-

ducted using the emergency tire puncture

repair kit may not be performed properly.

A
B
C

WARNING

■

Caution while driving

Observe the following precautions.

Failure to do so may cause an accident.

318

7-2. Steps to take in an emergency

1

Hold the hook and lift up the lug-
gage mat.

2

Secure the luggage mat using the
hook.

3

Take out the emergency tire punc-
ture repair kits.

WARNING

●

The emergency tire puncture repair kit

is made exclusively for your vehicle.

Do not use it on other vehicles.

●

Do not use the emergency tire punc-

ture repair kit for tires that are a differ-

ent size than the specified ones or for

any other purpose. Doing so may

cause the tires to not be repaired

properly.

■

Precautions for use of the sealant

●

Ingesting the sealant is hazardous to

your health. If you ingest sealant, con-

sume as much water as possible, then

immediately consult a doctor.

●

If sealant gets in eyes or adheres to

skin, immediately wash it off with water.

If discomfort persists, consult a doctor.

Taking out the emergency tire
puncture repair kits

NOTICE

■

To prevent damage to luggage mat

When closing the trunk lid, do not leave

the luggage mat lever hooked onthe

edge of the trunk.