LEXUS RC F (2019 year). Instruction

462

7-2. Steps to take in an emergency

RC F_U

Indicates that the vehicle has deviated from the lane

(while the LDA [Lane Departure Alert with steering con-

trol] system is operating)

The lane line on the side the vehicle has deviated from

flashes in amber.

A buzzer also sounds.

 Check around the vehicle and back to inside of the

lane lines.

Indicates that:

• The brake fluid level is low; or

• The brake system is malfunctioning

A buzzer also sounds.

 Immediately stop the vehicle in a safe place and

contact your Lexus dealer. Continuing to drive the

vehicle may be dangerous.

Indicates that one or more of the doors is not fully closed

The system also indicates which doors are not fully

closed.

If the vehicle reaches a speed of 3 mph (5 km/h),

flashes and a buzzer sounds to indicate

that the door(s) are not yet fully closed.

 Make sure that both side doors are closed.

Warning message

Details/Actions

(Flashes)

(U.S.A.)

(Canada)

(Flashes)

463

7-2. Steps to take in an emergency

RC F_U

When trouble

ari

ses

Indicates that the hood is not fully closed

If the vehicle reaches a speed of 3 mph (5 km/h),

flashes and a buzzer sounds to indicate

that the hood is not yet fully closed.

 Close the hood.

Indicates that the trunk is not fully closed

If the vehicle reaches a speed of 3 mph (5 km/h),

flashes and a buzzer sounds to indicate

that the trunk is not yet fully closed.

 Close the trunk.

(If equipped)

Indicates a malfunction in the intuitive parking assist-sen-

sor

The assist-sensors flash.

A buzzer also sounds.

 Have the vehicle inspected by your Lexus dealer.

(If equipped)

Indicates that an intuitive parking assist sensor is dirty or

covered with ice

A buzzer also sounds.

 Clean the sensor.

Warning message

Details/Actions

464

7-2. Steps to take in an emergency

RC F_U

Indicates a malfunction in the EPS (Electric Power Steer-

ing) system

A buzzer also sounds.

 Have the vehicle inspected by your Lexus dealer.

Indicates that the vehicle is being driven at 3 mph (5

km/h) or more with the parking brake still engaged.

A buzzer also sounds.

 Release the parking brake.

Warning message

Details/Actions

(U.S.A.)

(Canada)

(Flashes)

465

7-2. Steps to take in an emergency

RC F_U

When trouble

ari

ses

Indicates that the shift position was changed and Drive-

Start Control was operated while depressing the accel-

erator pedal

A buzzer also sounds.

 Momentarily release the accelerator pedal.

Indicates that the shift lever was used to attempt to shift

to the first gear position in M mode on a slippery road

surface

The gear position will not shift from the second gear.

A buzzer also sounds.

 Drive the vehicle in the second or a higher gear

position.

Indicates that the LDA (Lane Departure Alert with steer-

ing control) system has determined that the driver does

not have the hands on the steering wheel while the steer-

ing control function is on

If the driver operates the steering wheel only a small

amount, the system may be unable to detect the steer-

ing wheel operations and this warning may be dis-

played.

 Firmly hold the steering wheel.

Warning message

Details/Actions

(Flashes)

466

7-2. Steps to take in an emergency

RC F_U

Indicates that steering control function is temporarily

canceled due to the LDA (Lane Departure Alert with

steering control) system determining that the driver

does not have the hands on the steering wheel while the

steering control function is on

If the driver operates the steering wheel only a small

amount, the system may be unable to detect the steer-

ing wheel operations and this warning may be dis-

played.

 Firmly hold the steering wheel.

Indicates an engine malfunction

A buzzer also sounds.

 Have the vehicle inspected by your Lexus dealer.

Indicates an engine malfunction

A buzzer also sounds.

 Have the vehicle inspected by your Lexus dealer.

Indicates an engine malfunction

A buzzer also sounds.

 Have the vehicle inspected by your Lexus dealer.

Warning message

Details/Actions

(U.S.A.)

(Canada)

(U.S.A.)

(Canada)

467

7-2. Steps to take in an emergency

RC F_U

When trouble

ari

ses

Indicates a malfunction in:

• The SRS airbag system;

• The front passenger occupant classification system; or

• The seat belt pretensioner system

A buzzer also sounds.

 Have the vehicle inspected by your Lexus dealer.

Indicates a malfunction in:

• The ABS; or

• The brake assist system

A buzzer also sounds.

 Have the vehicle inspected by your Lexus dealer.

Indicates that the engine coolant temperature is too high

A buzzer also sounds.

 P. 526

Warning message

Details/Actions

(U.S.A.)

(Canada)

468

7-2. Steps to take in an emergency

RC F_U

Indicates a malfunction in the vehicle’s charging system.

 Immediately stop the vehicle in a safe place and

contact your Lexus dealer. Continuing to drive the

vehicle may be dangerous.

Indicates that the radar sensor is dirty or covered with

ice

A buzzer also sounds.

 Clean the sensor.

Indicates that the dynamic radar cruise control system

cannot be used temporarily due to bad weather

A buzzer also sounds.

 Use the dynamic radar cruise control system when

it becomes available again.

Warning message

Details/Actions

(F SPORT

models)

469

7-2. Steps to take in an emergency

RC F_U

When trouble

ari

ses

Indicates a malfunction in the smart access system with

push-button start

A buzzer also sounds.

 Have the vehicle inspected by your Lexus dealer.

(If equipped)

Indicates that a Blind Spot Monitor sensor or the sur-

rounding area on the bumper is dirty or covered with ice

A buzzer also sounds.

 Clean off the dirt, snow, ice, etc. and drive the vehi-

cle with the operation conditions of the BSM func-

tion (

P. 295) satisfied for approximately 10

minutes. If the warning message does not disappear,

the sensor may be misaligned. Have the vehicle

inspected by your Lexus dealer.

Indicates a malfunction in the dynamic radar cruise con-

trol system

Press the “ON/OFF” button once to deactivate the

system, and then press the button again to reactivate

the system.

A buzzer also sounds.

 Have the vehicle inspected by your Lexus dealer.

Indicates a malfunction in the LDA (Lane Departure

Alert with steering control) system

A buzzer also sounds.

 Have the vehicle inspected by your Lexus dealer.

Warning message

Details/Actions

470

7-2. Steps to take in an emergency

RC F_U

The operation conditions of the camera sensor are not

met.

The following systems may be suspended until the

problem shown in the message is resolved.

• PCS (Pre-Collision System)

• LDA (Lane Departure Alert with steering control)

• Dynamic radar cruise control

• Automatic High Beam

 P. 260

Indicates that the system is temporarily unavailable due

to a malfunction in a sensor other than the camera sen-

sor

A buzzer also sounds.

 Turn the LDA (Lane Departure Alert with steering

control) system off, wait for a little while, and then

turn the LDA (Lane Departure Alert with steering

control) system back on.

Warning message

Details/Actions

471

7-2. Steps to take in an emergency

RC F_U

When trouble

ari

ses

Indicates a malfunction in the PCS (Pre-Collision Sys-

tem)

A buzzer also sounds.

 Have the vehicle inspected by your Lexus dealer.

(If equipped)

Indicates a malfunction in the BSM (Blind Spot Monitor)

system

A buzzer also sounds.

 Have the vehicle inspected by your Lexus dealer.

Indicates abnormal engine oil pressure

A buzzer also sounds.

 Immediately stop the vehicle in a safe place and

contact your Lexus dealer.

Warning message

Details/Actions

472

7-2. Steps to take in an emergency

RC F_U

Indicates that the automatic transmission fluid tempera-

ture is too high

A buzzer also sounds.

 Have the vehicle inspected by your Lexus dealer.

(If equipped)

Indicates a malfunction in the VGRS (Variable Gear

Ratio Steering) system

A buzzer also sounds.

 Have the vehicle inspected by your Lexus dealer.

(If equipped)

Indicates that the active rear wing switch was pressed

when the active rear wing was disabled

 Enable the active rear wing (P. 130) then press

the active rear wing switch.

(AWD models)

Indicates a malfunction in the AWD system

A buzzer also sounds.

 Have the vehicle inspected by your Lexus dealer.

Indicates that LDA (Lane Departure Alert with steering

control) system cannot be used due to the vehicle speed

being too high

 Slow down.

Warning message

Details/Actions

473

7-2. Steps to take in an emergency

RC F_U

When trouble

ari

ses

Indicates that the LDA (Lane Departure Alert with steer-

ing control) system cannot be used as the vehicle speed

is approximately 32 mph (50 km/h) or less

 Drive the vehicle at approximately 32 mph (50 km/h)

or more.

Indicates that the engine was stopped while driving

A buzzer also sounds.

 Operate the steering wheel with more force than

usual.

Indicates that the engine switch is turned off or turned to

ACCESSORY mode and the driver’s door is opened

while the lights are turned on

A buzzer also sounds.

 Turn the lights off.

(If equipped)

Indicates that the moon roof is not fully closed (with the

engine switch off, and the driver’s door open)

A buzzer also sounds.

 Close the moon roof.

Indicates that the windows are not fully closed (with the

engine switch off, and the driver’s door open)

A buzzer also sounds.

 Close all the windows.

Warning message

Details/Actions

(Flashes)

474

7-2. Steps to take in an emergency

RC F_U

(If equipped)

Indicates that the windows and the moon roof are not

fully closed (with the engine switch off, and the driver’s

door open)

A buzzer also sounds.

 Close all the windows and the moon roof.

(If equipped)

Indicates a malfunction in the TVD (Torque Vectoring

Differential) system

A buzzer also sounds.

 Have the vehicle inspected by your Lexus dealer.

(If equipped)

Indicates that the TVD (Torque Vectoring Differential)

system has overheated

This message may be displayed when driving under

extremely high load conditions such as the following:

• Continuously driving at high speeds or through

sharp turns

• If either right or left rear tire loses traction and spins

continuously

A buzzer also sounds.

 Drive the vehicle for a while, while avoiding

extremely high load conditions.

Indicates a malfunction in the Drive-Start Control system

A buzzer also sounds.

 Have the vehicle inspected by your Lexus dealer

immediately.

Warning message

Details/Actions

(Flashes)

475

7-2. Steps to take in an emergency

RC F_U

When trouble

ari

ses

Indicates a malfunction in the Brake Override System

A buzzer also sounds.

 Have the vehicle inspected by your Lexus dealer

immediately.

Indicates that engine oil level is low

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.

 Check the level of engine oil, and add if necessary.



RC F

Indicates a malfunction in:

• The automatic headlight leveling system; or

• The Automatic High Beam system; or

• The LED headlight system

A buzzer also sounds.

 Have the vehicle inspected by your Lexus dealer.

Warning message

Details/Actions

476

7-2. Steps to take in an emergency

RC F_U



RC350/RC300

Indicates a malfunction in:

• The automatic headlight leveling system; or

• The AFS (Adaptive Front-lighting System)

(if equipped); or

• The Automatic High Beam system; or

• The LED headlight system

A buzzer also sounds.

 Have the vehicle inspected by your Lexus dealer.

Indicates that the brake pads are worn out

A buzzer also sounds.

 Have the vehicle inspected visually by your Lexus

dealer.

Warning message

Details/Actions

(U.S.A.)

(If equipped)

(Canada)

477

7-2. Steps to take in an emergency

RC F_U

When trouble

ari

ses

Indicates that the accelerator and brake pedals are

being depressed simultaneously, and the Brake Over-

ride System is operating.

 Release the accelerator pedal and depress the

brake pedal.

Indicates that the tire inflation pressure is low

 Check the tire inflation pressure, and adjust to the

appropriate level.

Warning message

Details/Actions

(Flashes)

LEXUS RC F (2019 year). Instruction - part 29