Content .. 10 11 12 13 ..

LEXUS RC 300 (2019 year). Instruction - part 12

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Driving

sory is installed to the rear of the vehicle

■

Operation of the RCTA function

The RCTA function uses radar sensors to detect vehicles approaching from the
right or left at the rear of the vehicle and alerts the driver of the presence of such
vehicles by flashing the outside rear view mirror indicators and sounding a buzzer.

Approaching vehicles
Detection areas of approaching vehicles

■

RCTA icon display

When a vehicle approaching from the
right or left at the rear of the vehicle is
detected, the following will be dis-
played on the Center Display.

This illustration shows an example of a
vehicle approaching from both sides of the
vehicle.

: The RCTA function is malfunc-

tioning (

P.183)

The areas that vehicles can be detected in are outlined below.

RCTA function

A
B

RCTA function detection areas

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The buzzer can alert the driver of faster vehicles approaching from farther away.
Example:

■

The RCTA function is operational when

The RCTA function operates when all of the

following conditions are met:

●

The BSM main switch is on.

●

The shift lever is in R.

●

The vehicle speed is less than approxi-

mately 5 mph (8 km/h).

●

The approaching vehicle speed is

between approximately 5 mph (8 km/h)

and 18 mph (28 km/h).

■

Conditions under which the RCTA func-

tion will not detect a vehicle

The RCTA function is not designed to

detect the following types of vehicles and/or

objects:

●

Vehicles approaching from directly

behind

●

Vehicles backing up in a parking space

next to your vehicle

●

Vehicles that the sensors cannot detect

due to obstructions

●

Guardrails, walls, signs, parked vehicles
and similar stationary objects

●

Small motorcycles, bicycles, pedestrians,
etc.

●

Vehicles moving away from your vehicle

●

Vehicles approaching from the parking
spaces next to your vehicle

: Depending on the conditions, detection

of a vehicle and/or object may occur.

■

Conditions under which the RCTA func-

tion may not function correctly

●

The RCTA function may not detect vehi-

cles correctly in the following situations:

• When the sensor is misaligned due to a

strong impact to the sensor or its sur-

rounding area

• When mud, snow, ice, a sticker, etc. is

covering the sensor or surrounding area

Approaching vehicle

Speed

Approximate alert dis-

tance

Fast

18 mph (28 km/h)

65 ft. (20 m)

Slow

5 mph (8 km/h)

18 ft. (5.5 m)

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Driving

on the rear bumper

• When driving on a road surface that is

wet with standing water during bad

weather, such as heavy rain, snow, or fog

• When multiple vehicles are approaching

with only a small gap between each vehi-

cle

• When a vehicle is approaching at high

speed

• When backing up on a slope with a sharp

change in grade

●

When backing out of a shallow angle

parking spot

●

Immediately after the BSM main switch is

turned on

●

Immediately after the engine is started

with the BSM main switch on

●

When the sensors cannot detect a vehi-

cle due to obstructions

●

Instances of the RCTA function unneces-

sarily detecting a vehicle and/or object

may increase in the following situations:

• When a vehicle passes by the side of your

vehicle

• When the parking space faces a street

and vehicles are being driven on the

street

●

When the distance between your vehicle

and metal objects, such as a guardrail,

wall, sign, or parked vehicle, which may

reflect electrical waves toward the rear of

the vehicle, is short

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

Vehicles without Adaptive Variable
Suspension System

Normal mode

Provides an optimal balance of fuel econ-
omy, quietness, and dynamic performance.
Suitable for city driving.
Press the switch to change the driving
mode to normal mode when Eco drive
mode or sport mode is selected.

Eco drive mode

Helps the driver accelerate in an
eco-friendly manner and improve fuel
economy through moderate throttle char-
acteristics and by controlling the operation
of the air conditioning system (heat-
ing/cooling).
When not in Eco drive mode, if the driving
mode select switch is turned to the left, the
Eco drive mode indicator will come on.

Sport mode

Controls the transmission and engine to
provide quick, powerful acceleration. This
mode also changes the steering feel, mak-
ing it suitable for when agile driving
response is desired, such as when driving
on roads with many curves.
When not in sport mode, if the driving
mode select switch is turned to the right,
the “SPORT” indicator will comes on.



Vehicles with Adaptive Variable
Suspension System

Normal mode/Custom mode

Normal mode and custom mode are
selected by pressing the driving mode
select switch. Each time the switch is
pressed, the driving mode changes
between normal mode and custom mode.
When custom mode is selected, the “CUS-
TOM” indicator will be illuminated.
When Eco drive mode or sport mode is
selected, pressing the switch changes the
driving mode to normal mode.
• Normal mode
Provides an optimal balance of fuel econ-
omy, quietness, and dynamic performance.
Suitable for city driving.
• Custom mode
Allows you to drive with the following func-
tions set to your preferred settings.

Driving mode select switch

The driving modes can be selected
to suit driving condition.

Selecting a drive mode

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Driving

Custom mode settings can only be
changed on the drive mode customization
display of the Center Display. (

P.202)

Eco drive mode

Sport mode

• SPORT S mode
Controls the transmission and engine to
provide quick, powerful acceleration. Also,
gear shift timing is controlled to suit sporty
driving, making this mode is suitable for
when agile driving response is desired,
such as when driving on roads with many
curves.
When not in SPORT S mode, if the driving
mode select switch is turned to the right,
the “SPORT S” indicator will come on.
• SPORT S+ mode
Provides earlier downshift timing than
SPORT S mode in order to maintain a high
engine speed and provides faster gear
changes. This mode also changes the

steering feel, suspension control and
VDIM control, making it suitable for pow-
erful sporty driving.
When in SPORT S mode, if the driving
mode select switch is turned to the right,
the “SPORT S+” indicator will come on.

■

Operation of the air conditioning sys-

tem in Eco drive mode

Eco drive mode controls the heating/cool-

ing operations and fan speed of the air con-

ditioning system to enhance fuel efficiency

(

P.205). To improve air conditioning per-

formance, adjust the fan speed or turn off

Eco drive mode.

■

Automatic deactivation of sport mode

and custom mode

If the engine switch is turned off after driv-

ing in sport mode or custom mode, the

drive mode will be changed to normal

mode.

■

Driving mode pop-up display (vehicles

with a 10.3-inch display)

When the driving mode is changed, the

selected driving mode will be temporarily

displayed on the side display. (

P.202)

Function

Setting

Powertrain

Normal

Power

Eco

Chassis

Normal

Sport

Air conditioning sys-
tem

Normal

Eco

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■

ABS (Anti-lock Brake System)

Helps to prevent wheel lock when the
brakes are applied suddenly, or if the
brakes are applied while driving on a
slippery road surface

■

Brake assist

Generates an increased level of brak-
ing force after the brake pedal is
depressed when the system detects a
panic stop situation

■

VSC (Vehicle Stability Control)

Helps the driver to control skidding
when swerving suddenly or turning on
slippery road surfaces

■

Enhanced VSC (Enhanced Vehi-
cle Stability Control)

Provides cooperative control of the
ABS, TRAC, VSC and EPS.
Helps to maintain directional stability
when swerving on slippery road sur-
faces by controlling steering perfor-
mance.

■

TRAC (Traction Control)

Helps to maintain drive power and pre-
vent the drive wheels from spinning
when starting the vehicle or accelerat-
ing on slippery roads

■

Hill-start assist control

Helps to prevent the vehicle from roll-
ing backward when starting on an
incline

■

VGRS (Variable Gear Ratio Steer-
ing) (if equipped)

Adjusts the front wheel turning angle in
accordance with the vehicle speed and
steering wheel movement

■

DRS (Dynamic Rear Steering) (if
equipped)

Contributes to the turning characteris-
tics and responsiveness of the vehicle
by adjusting the rear wheel angle of the
vehicle in accordance with steering
wheel movement.

■

EPS (Electric Power Steering)

Employs an electric motor to reduce
the amount of effort needed to turn the
steering wheel

■

Adaptive Variable Suspension Sys-
tem (if equipped)

By independently controlling the
damping force of the shock absorbers
for each of the 4 wheels according to
the road and driving conditions, this
system combines riding comfort with
superior vehicle stability, and helps
good vehicle posture.

Driving assist systems

To help enhance driving safety and
performance, the following systems
operate automatically in response
to various driving situations. Be
aware, however, that these systems
are supplementary and should not
be relied upon too heavily when
operating the vehicle.

Summary of the driving assist
systems

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■

LDH (Lexus Dynamic Handling
system) (if equipped)

Provides integrated control of the
VGRS, DRS and EPS. Contributes to
turning characteristics at low speeds,
responsiveness at medium speeds and
safety at high speeds by controlling the
steering angle of the front and rear
wheels in accordance with the steering
wheel operation and vehicle speed.

■

VDIM (Vehicle Dynamics Inte-
grated Management)

Provides integrated control of the
ABS, brake assist, TRC, VSC, hill-start
assist control, EPS, VGRS (if
equipped) and DRS (if equipped) sys-
tems
Helps to maintain vehicle stability when
swerving on slippery road surfaces by
controlling the brakes, engine output,
steering assist, and if equipped with
VGRS, steering ratio

■

When the TRAC/VSC systems are

operating

The slip indicator light will flash while the

TRAC/VSC systems are operating.

■

Disabling the TRAC system

If the vehicle gets stuck in mud, dirt or snow,

the TRAC system may reduce power from
the engine to the wheels. Pressing the

switch to turn the system off may make it

easier for you to rock the vehicle in order to

free it.
To turn the TRAC system off, quickly press
and release the

switch.

The “Traction Control Turned Off” will be
shown on the multi-information display.

Press the

switch again to turn the sys-

tem back on.

■

Turning off both TRAC and VSC sys-

tems

To turn the TRAC and VSC systems off,
press and hold the

switch for more

than 3 seconds while the vehicle is stopped.
The VSC OFF indicator light will come on
and the “Traction Control Turned Off” will
be shown on the multi-information display.

Press the

switch again to turn the sys-

tems back on.

: On vehicles with PCS (Pre-Collision

System), pre-collision brake assist,
pre-collision braking, and steering con-
trol (performed through cooperative
control of PCS and LDH) (if equipped)
will also be disabled. The Pre-Collision
System warning light will come on and a
message will be displayed on the
multi-information display. (

P.160)

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■

When the message is displayed on the

multi-information display showing that

TRAC has been disabled even if the

switch has not been pressed

TRAC cannot be operated. Contact your

Lexus dealer.

■

Operating conditions of hill-start assist

control

When the following four conditions are met,

the hill-start assist control will operate:

●

The shift lever is in a position other than P

or N (when starting off forward/back-

ward on an upward incline).

●

The vehicle is stopped.

●

The accelerator pedal is not depressed.

●

The parking brake is not engaged.

■

Automatic system cancelation of

hill-start assist control

The hill-start assist control will turn off in any

of the following situations:

●

The shift lever is moved to P or N.

●

The accelerator pedal is depressed.

●

The parking brake is engaged.

●

Approximately 2 seconds elapse after

the brake pedal is released.

■

VGRS is disabled when

VGRS may stop operating in the following

situations.

In this event, the steering wheel may move

from its straight forward position, but it will

return when the system restarts.

●

When the steering wheel is operated for

an extended period of time while the

vehicle is stopped or is moving very

slowly

(on vehicles with LDH, DRS is disabled

together with VGRS)

●

When the steering wheel has been held

fully to the left or right

The center position of the steering wheel

may change when VGRS is disabled. How-

ever, the position will return to normal after

VGRS is reactivated.

■

When the battery is disconnected (vehi-

cles with VGRS)

The steering wheel may move from its

straight forward position, but this will be

corrected automatically when driving.

■

Sounds and vibrations caused by the

ABS, brake assist, VSC, TRAC, hill-start

assist control and VGRS systems

●

A sound may be heard from the engine

compartment when the brake pedal is

depressed repeatedly, when the engine is

started or just after the vehicle begins to

move. This sound does not indicate that a

malfunction has occurred in any of these

systems.

●

Any of the following conditions may

occur when the above systems are oper-

ating. None of these indicates that a mal-

function has occurred.

• Vibrations may be felt through the vehicle

body and steering.

• A motor sound may be heard after the

vehicle comes to a stop.

• The brake pedal may pulsate slightly after

the ABS is activated.

• The brake pedal may move down slightly

after the ABS is activated.

■

EPS, VGRS and DRS operation sound

When the steering wheel is operated, a

motor sound (whirring sound) may be

heard. This does not indicate a malfunction.

■

Reactivation of the TRAC/VSC systems

Even after the TRAC/VSC systems have

been turned off, turning the engine off and

then on again will automatically reactivate

the TRAC/VSC systems.

■

Reactivation of the TRAC system linked

to vehicle speed

When only the TRAC system is turned off,

the TRAC system will turn on when vehicle

speed increases. However, when both

TRAC/VSC systems are turned off, the sys-

tems will not turn on even when vehicle

speed increases.

■

Reduced effectiveness of the EPS sys-

tem

The effectiveness of the EPS system is

reduced to prevent the system from over-

heating when there is frequent steering

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Driving

input over an extended period of time. The

steering wheel may feel heavy as a result.

Should this occur, refrain from excessive

steering input or stop the vehicle and turn

the engine off. The EPS system should

return to normal within 10 minutes.

WARNING

■

The ABS does not operate effectively

when

●

The limits of tire gripping performance

have been exceeded (such as exces-

sively worn tires on a snow covered

road).

●

The vehicle hydroplanes while driving

at high speed on wet or slick roads.

■

Stopping distance when the ABS is

operating may exceed that of normal

conditions

The ABS is not designed to shorten the

vehicle’s stopping distance. Always main-

tain a safe distance from the vehicle in

front of you, especially in the following

situations:

●

When driving on dirt, gravel or

snow-covered roads

●

When driving with tire chains

●

When driving over bumps in the road

●

When driving over roads with potholes

or uneven surfaces

■

TRAC may not operate effectively

when

Directional control and power may not

be achievable while driving on slippery

road surfaces, even if the TRAC system is

operating. Drive the vehicle carefully in

conditions where stability and power

may be lost.

■

Hill-start assist control does not oper-

ate effectively when

●

Do not overly rely on hill-start assist

control. Hill-start assist control may

not operate effectively on steep

inclines and roads covered with ice.

●

Unlike the parking brake, hill-start

assist control is not intended to hold

the vehicle stationary for an extended

period of time. Do not attempt to use

hill-start assist control to hold the vehi-

cle on an incline, as doing so may lead

to an accident.

■

When the VSC is activated

The slip indicator light flashes. Always

drive carefully. Reckless driving may

cause an accident. Exercise particular

care when the indicator light flashes.

■

When the TRAC/VSC systems are

turned off

Be especially careful and drive at a speed

appropriate to the road conditions. As

these are the systems to help ensure

vehicle stability and driving force, do not

turn the TRAC/VSC systems off unless

necessary.

■

Replacing tires

Make sure that all tires are of the speci-

fied size, brand, tread pattern and total

load capacity. In addition, make sure that

the tires are inflated to the recom-

mended tire inflation pressure level.
The ABS, TRAC and VSC systems will

not function correctly if different tires are

installed on the vehicle.

Contact your Lexus dealer for further

information when replacing tires or

wheels.

■

Handling of tires and the suspension

Using tires with any kind of problem or

modifying the suspension will affect the

driving assist systems, and may cause a

system to malfunction.

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4-6.Driving tips

 Use fluids that are appropriate to

the prevailing outside temperatures.

• Engine oil
• Engine coolant
• Washer fluid

 Have a service technician inspect

the condition of the battery.

 Have the vehicle fitted with four

snow tires or purchase a set of tire
chains for the rear tires.

Ensure that all tires are the specified size
and brand, and that chains match the size
of the tires.

: Tire chains cannot be mounted on vehi-

cles with front and rear tires of differing
sizes and vehicles with LDH and 19-inch
tires.

Perform the following according to the
driving conditions:
 Do not try to forcibly open a window

or move a wiper that is frozen. Pour

Winter driving tips

Carry out the necessary prepara-
tions and inspections before driving
the vehicle in winter. Always drive
the vehicle in a manner appropriate
to the prevailing weather condi-
tions.

Preparation for winter

WARNING

■

Driving with snow tires

Observe the following precautions to

reduce the risk of accidents.

Failure to do so may result in a loss of

vehicle control and cause death or seri-

ous injury.

●

Use tires of the specified size.

●

Maintain the recommended level of air

pressure.

●

Do not drive in excess of 75 mph (120

km/h), regardless of the type of snow

tires being used.

●

Use snow tires on all, not just some

wheels.

■

Driving with tire chains

Observe the following precautions to

reduce the risk of accidents.

Failure to do so may result in the vehicle

being unable to be driven safely, and may

cause death or serious injury.

●

Do not drive in excess of the speed

limit specified for the tire chains being

used, or 30 mph (50 km/h), which-

ever is lower.

●

Avoid driving on bumpy road surfaces

or over potholes.

●

Avoid sudden acceleration, abrupt

steering, sudden braking and shifting

operations that cause sudden engine

braking.

●

Slow down sufficiently before entering

a curve to ensure that vehicle control is

maintained.

●

Do not use LDA (Lane Departure

Alert with steering control) system.

NOTICE

■

Repairing or replacing snow tires

Request repairs or replacement of snow

tires from Lexus dealers or legitimate tire

retailers.

This is because the removal and attach-

ment of snow tires affects the operation

of the tire pressure warning valves and

transmitters.

Before driving the vehicle

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Driving

warm water over the frozen area to
melt the ice. Wipe away the water
immediately to prevent it from
freezing.

 To ensure proper operation of the

climate control system fan, remove
any snow that has accumulated on
the air inlet vents in front of the
windshield.

 Check for and remove any excess

ice or snow that may have accumu-
lated on the exterior lights, vehicle’s
roof, chassis, around the tires or on
the brakes.

 Remove any snow or mud from the

bottom of your shoes before getting
in the vehicle.

Accelerate the vehicle slowly, keep a
safe distance between you and the
vehicle ahead, and drive at a reduced
speed suitable to road conditions.

 Park the vehicle and move the shift

lever to P without setting the park-
ing brake. The parking brake may
freeze up, preventing it from being
released. If the vehicle is parked
without setting the parking brake,
make sure to block the wheels.
Failure to do so may be dangerous
because it may cause the vehicle to
move unexpectedly, possibly lead-
ing to an accident.

 If the vehicle is parked without set-

ting the parking brake, confirm that
the shift lever cannot be moved out
of P

: The shift lever will be locked if it is

attempted to be shifted from P to any
other position without depressing the
brake pedal. If the shift lever can be
shifted from P, there may be a problem
with the shift lock system. Have the vehi-
cle inspected by your Lexus dealer
immediately.



Vehicles with front and rear tires of
the same size except for vehicles
with LDH and 19-inch tires

Use the correct tire chain size when
mounting the tire chains.
Chain size is regulated for each tire
size.

Side chain (0.12 in. [3 mm] in diam-
eter)
Cross chain (0.16 in. [4 mm] in
diameter)



Vehicles with front and rear tires of
differing sizes and vehicles with
LDH and 19-inch tires

Tire chains cannot be mounted.

Snow tires should be used instead.

When driving the vehicle

When parking the vehicle

Selecting tire chains

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Regulations regarding the use of tire
chains vary depending on location and
type of road. Always check local regu-
lations before installing chains.

■

Tire chain installation

Observe the following precautions when

installing and removing chains:

●

Install and remove tire chains in a safe

location.

●

Install tire chains on the rear tires. Do not

install tire chains on the front tires.

●

Install tire chains on rear tires as tightly as

possible. Retighten chains after driving

1/4

1/2 mile (0.51.0 km).

●

Install tire chains following the instruc-

tions provided with the tire chains.

Regulations on the use of tire
chains

NOTICE

■

Fitting tire chains

The tire pressure warning valves and

transmitters may not function correctly

when tire chains are fitted.

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Interio

r fe

atures

Interior features

5-1. Remote Touch/Display

Remote Touch............................

200

Center Display...........................

202

5-2. Using the air conditioning system

Automatic air conditioning system

205

Heated steering wheel/seat heat-

ers/seat ventilators.................

212

5-3. Using the interior lights

Interior lights list..........................

215

5-4. Using the storage features

List of storage features.............

217

Trunk features..............................

219

5-5. Using the other interior features

Other interior features ...........

220

Garage door opener...............

222

Compass.......................................

227

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5-1. Remote Touch/Display

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5-1.Remote Touch/Display

■

Switches



Vehicles with a 10.3-inch display

“MAP” button

Press this button to display the vehicle’s
current position.

“MENU” button

Press this button to display the menu
screen.

Back button

Press this button to display the previous
screen.

Touchpad

Slide your finger on the touchpad and
move the pointer to select a function, letter

and screen button.
Press the touchpad to enter the selected
function, letter or screen button. Certain
finger movements on the touchpad can
perform functions, such as changing map
scalings and scrolling list screens.

Sub function button

When

is displayed on the screen, a

function screen assigned to the screen can
be displayed.



Vehicles with a 7-inch display

“HOME” button

Press this button to display the “Home”
screen.

“MENU” button

Press this button to display the menu
screen.

Back button

Press this button to display the previous
screen.

Touchpad

Slide your finger on the touchpad and
move the pointer to select a function, letter
and screen button.
Press the touchpad to enter the selected
function, letter or screen button. Certain

Remote Touch

The Remote Touch can be used to
operate the Center Display.

For details on the Remote touch,
refer to “NAVIGATION AND
MULTIMEDIA SYSTEM
OWNER’S MANUAL”.

Remote Touch operation

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5-1. Remote Touch/Display

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Interio

r fe

atures

finger movements on the touchpad can
perform functions, such as changing map
scalings and scrolling list screens.

Sub function button

When

is displayed on the screen, a

function screen assigned to the screen can
be displayed.

■

Using the touchpad

Select: Touch the touchpad to
select the desired button on the
screen.
Enter: Buttons on the screen can be
selected by either depressing or
double tapping the touchpad.
Once a button has been selected,
the screen will change.

■

Touch operation

Operations are performed by touching
the touchpad with your finger.
 Trace

Trace the pad surface while maintaining
contact with the touchpad. Moving the
cursor and the pointer.

 Double tap

Tap the touchpad twice, quickly. Select the
button on the screen.

 Flick

Quick and short movement along the
touchpad with you finger. Move the list
screen.

 Pinch in/Pinch out

Slide fingers toward each other or apart on
the touchpad. Change the scale of the
map.

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■

Menu screen

Press the “MENU” button on the
Remote Touch to display the menu
screen.
The displays shown in the illustrations
are used for example only and may dif-
fer from the actual vehicle.



Vehicles with a 10.3-inch display



Vehicles with a 7-inch display

NOTICE

■

To prevent damage to the Remote

Touch

Observe the following precautions. Fail-

ure to do so may cause damage to the

Remote Touch.

●

Do not allow food, liquid, stickers or lit

cigarettes to contact the Remote

Touch.

●

Do not subject the Remote Touch to

excessive pressure or strong impact.

●

Do not push the touchpad with a

strong force or use a sharp pointed

object to operate the pad.

Center Display

Center Display overview

Switch

Function

Select to display the
“Destination”
screen.

Select to display the
media control
screen.

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