Lexus UX 300e (2022 year). Manual in english — page 14

240

5-3. Operating the lights and wipers

5-3.Operating the lights and wipers

Operating the

switch turns on

the lights as follows:

The front position, tail, license

plate and instrument panel lights
turn on.

The headlights and all the

lights listed above turn on.

The headlights, daytime run-

ning lights (



P.240) and all the

lights listed above turn on and off
automatically.

AUTO mode can be used when

The power switch is in ON.

Daytime running light function

To make your vehicle more visible to other

drivers during daytime driving, the daytime

running lights turn on automatically when-

ever the EV system is started and the park-

ing brake is released with the headlight
switch in the

position. (Illuminate

brighter than the front position lights.) Day-

time running lights are not designed for use

at night.

Headlight control sensor

The sensor may not function properly if an

object is placed on the sensor, or anything

that blocks the sensor is affixed to the wind-

shield.

Doing so interferes with the sensor detect-

ing the level of ambient light and may cause

the automatic headlight system to malfunc-

tion.

Automatic light off system

When the light switch is in

The headlights and front fog lights (if

equipped) turn off automatically if the

power switch is turned to ACC or OFF.

When the light switch is in

position:

The headlights and all the lights turn off

automatically if the power switch is

turned to ACC or OFF.

To turn the lights on again, turn the power

switch to ON, or turn the light switch to

position once and then back to

Headlight switch

The headlights can be operated
manually or automatically.

Turning on the headlights

241

5-3. Operating the lights and wipers

ivin
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Light reminder buzzer

A buzzer sounds when the power switch is

turned off or turned to ACC and the

driver’s door is opened while the lights are

turned on.

Automatic headlight leveling system

The level of the headlights is automatically

adjusted according to the number of pas-

sengers and the loading condition of the

vehicle to ensure that the headlights do not

interfere with other road users.

12-volt battery-saving function

In order to prevent 12-volt the battery of the

vehicle from discharging, if the light switch
is in the

position when the

power switch is turned off, the 12-volt bat-

tery saving function will operate and auto-

matically turn off all the lights after

approximately 20 minutes.
When the power switch is turned to ON,

the 12-volt battery-saving function will be

disabled.
When any of the following are performed,

the 12-volt battery-saving function is can-

celed once and then reactivated. All the

lights will turn off automatically 20 minutes

after the 12-volt battery- saving function has

been reactivated:

When the headlight switch is operated

When a door is opened or closed

Welcome light illumination control

The front position lights automatically turn

on at night when the doors are unlocked

using the entry function or wireless remote
control if the light switch is in the

posi-

tion.

Customization

Settings (e.g. light sensor sensitivity) can be

changed.

(Customizable features:



P.481)

With the headlights on, push the
lever away from you to turn on the
high beams.

Pull the lever toward you to the center
position to turn the high beams off.

Pull the lever toward you and
release it to flash the high beams
once.

You can flash the high beams with the
headlights on or off.

This system allows the headlights and
front position lights to be turned on for
30 seconds when the power switch is
OFF.
Pull the lever toward you and release it
with the light switch is in

after turn-

ing the power switch off.

NOTICE

To prevent 12-volt battery discharge

Do not leave the lights on longer than

necessary when the EV system is not

operating.

Turning on the high beam head-
lights

Extended Headlight Lighting
system

242

5-3. Operating the lights and wipers

Pull the lever toward you and release it
again to turn off the lights.

When any of the following conditions is
met, while the headlights (low beam)
are on, the cornering lights will addi-
tionally turn on and light up the direc-
tion of movement for the vehicle. This is
to ensure excellent visibility when
either driving at intersections or park-
ing at night.



The steering wheel is operated



The turn signal lever is operated



The shift position is in R (both left
and right side cornering lights)

Cornering light control

The lights illuminate when the vehicle

speed is approximately 30 km/h (19

mph) or less. However, the lights turn off

when the vehicle speed increases to

approximately 35 km/h (22 mph) or

more.

After the lights remain illuminated for 30

minutes, they automatically turn off.

: If equipped



Adjusts the brightness and illumi-
nated area of the high beams
according to the vehicle speed.



Adjusts the intensity of the high
beams, while driving on a curve, so
that the area in the direction that the
vehicle is turning will be illuminated
more brightly than other areas.



Operates the shaded high beams so
that the area around vehicles ahead
is partially not illuminated while all
other areas continue to be illumi-

Cornering lights (if equipped)

AHS (Adaptive High-beam
System)

The Adaptive High-beam System
uses a front camera located behind
the upper portion of the windshield
to assess the brightness of the lights
of vehicles ahead, streetlights, etc.,
and automatically controls the
headlight light distribution as nec-
essary.

WARNING

Limitations of the Adaptive High-

beam System

Do not overly rely on the Adaptive High-

beam System. Always drive safely, taking

care to observe your surroundings and

turning the high beams on or off manu-

ally if necessary.

To prevent incorrect operation of the

Adaptive High-beam System

Do not overload the vehicle.

System functions

243

5-3. Operating the lights and wipers

ivin
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nated with the high beams.

The shaded high beams help optimize for-
ward visibility while reducing the dazzling
effect on the drivers of vehicles ahead.

Illuminated area of the high beams

Illuminated area of the low beams



Adjusts the distance that the low
beams are projected according to
the distance to a preceding vehicle.



When driving at low speeds, the
cornering lights will illuminate the
area around both front corners of
the vehicle.

Press the Adaptive High-beam
System switch.

Turn the headlight switch to the

position.

The AHS indicator will come on when the

system is operating.

Operating conditions of the Adaptive

High-beam System

When all of the following conditions are

met, the high beams will be turned on

automatically and the system will oper-

ate:

• The vehicle speed is approximately 60

km/h (38 mph) or more.

• The area ahead of the vehicle is dark.

: When the vehicle speed is approximately

60 km/h (38 mph) or more, the area in
the direction that the vehicle is turning
will be illuminated more brightly than
other areas while driving on a curve.

When all of the following conditions are

met, the shaded high beams will turn on

and the distance that the low beams are

projected will be adjusted automatically,

depending on the location of vehicles

ahead:

• The vehicle speed is approximately 60

km/h (38 mph) or more.

• The area ahead of the vehicle is dark.

• There are vehicles ahead with headlights

or tail lights turned on.

If any of the following conditions are met,

the high beams or shaded high beams will

be changed to the low beams automati-

cally:

• The vehicle speed is below approxi-

mately 60 km/h (38 mph).

Activating the Adaptive High-
beam System

A
B

244

5-3. Operating the lights and wipers

• The area ahead of the vehicle is not dark.

• There are many vehicles ahead.

Front camera detection information

The high beams may not be automatically

changed to the shaded high beams in the

following situations:

• When vehicles ahead suddenly appear

from a curve

• When the vehicle is cut in front of by

another vehicle

• When vehicles ahead are hidden from

sight due to repeated curves, road divid-

ers or roadside trees

• When vehicles ahead appear from the

faraway lane on wide road

• When vehicles ahead have no lights

The high beams may be changed to the

shaded high beams if a vehicle ahead that

is using fog lights without its headlights

turned on is detected.

House lights, street lights, traffic signals,

and illuminated billboards or signs and

other reflective objects may cause the

high beams to change to the shaded high

beams, cause the high beams not to

change to the shaded high beams, or

change the area that is not illuminated.

The following factors may affect the

amount of time taken to turn the high

beam on or off, or the speed by which the

areas not illuminated change:

• The brightness of headlights, fog lights,

and tail lights of vehicles ahead

• The movement and direction of vehicles

ahead

• When a vehicle ahead only has opera-

tional lights on one side

• When a vehicle ahead is a two-wheeled

vehicle

• The condition of the road (gradient,

curve, condition of the road surface etc.)

• The number of passengers and amount of

luggage

The light distribution control of the head-

lights may change unexpectedly.

Bicycles or similar objects may not be

detected.

In the following situations the system may

not be able to correctly detect the sur-

rounding brightness level. This may cause

the low beams to remain on or the high

beams to flash or dazzle pedestrians or

vehicles ahead. In such a case, it is neces-

sary to manually switch between the high

and low beams.

• When driving in inclement weather

(heavy rain, snow, fog, sandstorms, etc.)

• When the windshield is obscured by fog,

mist, ice, dirt, etc.

• When the windshield is cracked or dam-

aged

• When the front camera is deformed or

dirty

• When the temperature of the front cam-

era is extremely high

• When the surrounding brightness level is

equal to that of headlights, tail lights or

fog lights

• When headlights or tail lights of vehicles

ahead are turned off, dirty, changing

color, or not aimed properly

• When the vehicle is hit by water, snow,

dust, etc. from a preceding vehicle

• When driving through an area of inter-

mittently changing brightness and dark-

ness

• When frequently and repeatedly driving

ascending/descending roads, or roads

with rough, bumpy or uneven surfaces

(such as stone-paved roads, gravel

roads, etc.)

• When frequently and repeatedly taking

curves or driving on a winding road

• When there is a highly reflective object

ahead of the vehicle, such as a sign or

mirror

• When the back of a preceding vehicle is

highly reflective, such as a container on a

truck

• When the vehicle’s headlights are dam-

aged or dirty, or are not aimed properly

• When the vehicle is listing or tilting due to

a flat tire, a trailer being towed, etc.

• When the headlights are changed

between the high beams and low beams

repeatedly in an abnormal manner

• When the driver believes that the high

beams may be flashing or dazzling

pedestrians or other drivers

• When the vehicle is used in an area in

which vehicles travel on the opposite side

of the road of the country for which the

245

5-3. Operating the lights and wipers

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vehicle was designed, for example using

a vehicle designed for right-hand traffic in

a left-hand traffic area, or vice versa

• When going through the Straits of Dover.

Customization

Some functions can be customized.

(



P.482)

Switching to the low beams

Press the Adaptive High-beam System
switch.

The AHS indicator will turn off.
Press the switch to activate the Adaptive
High-beam System again.

Switching to the high beams

Push the lever away from you.

The AHS indicator will turn off and the high
beam indicator will turn on.
Pull the lever to its original position to acti-
vate the Adaptive High-beam System
again.

Temporarily switching to the low
beams

Pull the lever toward you and then
return it to its original position.

The high beams are on while the lever is
pulled toward you, however, after the lever
is returned to its original position, the low
beams remain on for a certain amount of
time. Afterwards, the Adaptive High-beam
System will be activated again.

Temporarily switching to the low beams

It is recommended to switch to the low

beams when the high beam may cause

problems or distress to other drivers or

pedestrians nearby.

Turning the high beams on/off
manually

246

5-3. Operating the lights and wipers

: If equipped

Press the Automatic High Beam
switch.

Turn the headlight switch to the

position.

The Automatic High Beam indicator will

come on when the system is operating.

Conditions to turn the high beams

on/off automatically

When all of the following conditions are

met, the high beams will be turned on

automatically (after approximately 1 sec-

ond):

• The vehicle speed is approximately 30 -

40 km/h (19 - 25 mph)

or more.

• The area ahead of the vehicle is dark.

• There are no vehicles ahead with head-

lights or tail lights turned on.

• There are few streetlights on the road

ahead.

If any of the following conditions are met,

the high beams will turn off automatically:

• The vehicle speed is below approxi-

mately 25 - 30 km/h (16 - 19 mph)

• The area ahead of the vehicle is not dark.

• Vehicles ahead have their headlights or

tail lights turned on.

• There are many streetlights on the road

ahead.

: The vehicle speed at which the high

beams are automatically turned on/off
may vary depending on the country for
which the vehicle is approved.

Front camera detection information

The high beams may not be automatically

turned off in the following situations:

• When a vehicle suddenly appears from

around a curve

AHB (Automatic High
Beam)

The Automatic High Beam uses a
front camera located behind the
upper portion of the windshield to
assess the brightness of the lights of
vehicles ahead, streetlights, etc.,
and automatically turns the high
beams on or off as necessary.

WARNING

Limitations of the Automatic High

Beam

Do not overly rely on the Automatic

High Beam. Always drive safely, taking

care to observe your surroundings and

turning the high beams on or off manu-

ally if necessary.

To prevent incorrect operation of the

Automatic High Beam system

Do not overload the vehicle.

Activating the Automatic High
Beam

247

5-3. Operating the lights and wipers

ivin
g

• When the vehicle is cut in front of by

another vehicle

• When vehicles ahead cannot be

detected due to repeated curves, road

dividers or roadside trees

• When vehicles ahead appear from a far-

away lane on a wide road

• When the lights of vehicles ahead are not

The high beams may be turned off if a

vehicle ahead that is using fog lights with-

out its headlights turned on is detected.

House lights, street lights, traffic signals,

and illuminated billboards or signs and

other reflective objects may cause the

high beams to change to the low beams,

or the low beams to remain on.

The following factors may affect the

amount of time taken for the high beams

to turn on or off:

• The brightness of the headlights, fog

lights, and tail lights of vehicles ahead

• The movement and direction of vehicles

ahead

• When a vehicle ahead only has opera-

tional lights on one side

• When a vehicle ahead is a two-wheeled

vehicle

• The condition of the road (gradient,

curve, condition of the road surface, etc.)

• The number of passengers and amount of

luggage in the vehicle

The high beams may turn on or off unex-

pectedly.

Bicycles or similar vehicles may not be

detected.

In the following situations the system may

not be able to correctly detect the sur-

rounding brightness level. This may cause

the low beams to remain on or the high

beams to flash or dazzle pedestrians or

vehicles ahead. In such a case, it is neces-

sary to manually switch between the high

and low beams.

• When driving in inclement weather

(heavy rain, snow, fog, sandstorms, etc.)

• When the windshield is obscured by fog,

mist, ice, dirt, etc.

• When the windshield is cracked or dam-

aged

• When the front camera is deformed or

dirty

• When the temperature of the front cam-

era is extremely high

• When the surrounding brightness level is

equal to that of headlights, tail lights or

fog lights

• When headlights or tail lights of vehicles

ahead are turned off, dirty, changing

color, or not aimed properly

• When the vehicle is hit by water, snow,

dust, etc. from a preceding vehicle

• When driving through an area of inter-

mittently changing brightness and dark-

ness

• When frequently and repeatedly driving

ascending/descending roads, or roads

with rough, bumpy or uneven surfaces

(such as stone-paved roads, gravel

roads, etc.)

• When frequently and repeatedly taking

curves or driving on a winding road

• When there is a highly reflective object

ahead of the vehicle, such as a sign or

mirror

• When the back of a preceding vehicle is

highly reflective, such as a container on a

truck

• When the vehicle’s headlights are dam-

aged or dirty, or are not aimed properly

• When the vehicle is listing or tilting due to

a flat tire, a trailer being towed, etc.

• When the headlights are changed

between the high beams and low beams

repeatedly in an abnormal manner

• When the driver believes that the high

beams may be flashing or dazzling

pedestrians or other drivers

• When the vehicle is used in an area in

which vehicles travel on the opposite side

of the road of the country for which the

vehicle was designed, for example using

a vehicle designed for right-hand traffic in

a left-hand traffic area, or vice versa

• When going through the Straits of Dover.

248

5-3. Operating the lights and wipers

Switching to the high beams

Push the lever away from you.

The Automatic High Beam indicator will
turn off and the high beam indicator will
turn on.
Pull the lever to its original position to acti-
vate the Automatic High Beam system
again.

Switching to the low beams

Press the Automatic High Beam
switch.

The Automatic High Beam indicator will
turn off.
Press the switch to activate the Automatic
High Beam system again.

Temporarily switching to the low
beams

Pull the lever toward you and then
return it to its original position.

Temporarily switching to the low beams

It is recommended to switch to the low

beams when the high beam may cause

problems or distress to other drivers or

pedestrians nearby.

Turning the high beams on/off
manually

249

5-3. Operating the lights and wipers

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

Rear fog light switch

Turns the rear fog lights off

Turns the rear fog lights on

Releasing the switch ring returns it to

Operating the switch ring again turns the
rear fog lights off.



Front and rear fog light switch

Turns the front and rear fog

lights off

Turns the front fog lights on

Turns both front and rear fog

lights on

Releasing the switch ring returns it to

Operating the switch ring again turns only
the rear fog lights off.

Fog lights can be used when



Vehicles with rear fog lights only

The headlights are turned on.



Vehicles with front and rear fog lights

Front fog lights: The front position lights are

turned on.

Rear fog lights: The front fog lights are

turned on.

Fog light switch

When in difficult driving conditions,
such as in rain and fog, turn on the
front fog lights (if equipped) to
secure front visibility and turn on
the rear fog lights to notify follow-
ing vehicles the existence of your
vehicle.

Turning on the fog lights

250

5-3. Operating the lights and wipers

Operating the

lever operates

the wipers or washer as follows:



Intermittent windshield wipers with
interval adjuster

Off

Intermittent operation

NOTICE

To prevent 12-volt battery discharge

Do not leave the lights on longer than

necessary when the EV system is off.

Windshield wipers and
washer

Operating the lever can change
wiper operation to automatic/man-
ual or squirt washer fluid.

NOTICE

When the windshield is dry

Do not use the wipers, as they may dam-

age the windshield.

Operating the wiper lever

251

5-3. Operating the lights and wipers

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Low speed operation

High speed operation

Temporary operation

Wiper intervals can be adjusted when
intermittent operation is selected.

Increases the intermittent wind-
shield wiper frequency

Decreases the intermittent wind-
shield wiper frequency

Washer/wiper dual opera-

tion

Pulling the lever operates the wipers and
washer.
The wipers will automatically operate a
couple of times after the washer squirts.
When the power switch is in ON and the
headlights are on, if the lever is pulled, the
headlight cleaners will operate once. After
this, the headlight cleaners will operate
every 5th time the lever is pulled.



Rain-sensing windshield wipers

When AUTO is selected, the wipers
will operate automatically when the
sensor detects falling rain. The system
automatically adjusts wiper timing in
accordance with rain volume and vehi-
cle speed.

Off

Rain-sensing operation

Low speed operation

High speed operation

Temporary operation

When AUTO is selected, the sensor
sensitivity can be adjusted by turning
the switch ring.

252

5-3. Operating the lights and wipers

Increases the sensitivity

Decreases the sensitivity

Washer/wiper dual opera-

tion

Pulling the lever operates the wipers and
washer.
The wipers will automatically operate a
couple of times after the washer squirts.
(After operating several times, the wipers
operate once more time after a short delay
to prevent dripping. However, the dripping
prevention does not operate while the
vehicle is moving.)
When the power switch is in ON and the
headlights are on, if the lever is pulled, the
headlight cleaners will operate once. After
this, the headlight cleaners will operate
every 5th time the lever is pulled.

The windshield wipers and washer can

be operated when

The power switch is in ON.

Effects of vehicle speed on wiper opera-

tion (vehicles with rain-sensing wind-

shield wipers)

Vehicle speed affects the Intermittent wiper

interval.

Raindrop sensor (vehicles with rain-

sensing windshield wipers)

The raindrop sensor judges the amount

of raindrops.

An optical sensor is adopted. It may not

operate properly when sunlight from the

rising or setting of the sun intermittently

strikes the windshield, or if bugs, etc. are

present on the windshield.

If the wiper switch is turned to the

“AUTO” position while the power switch

is in ON, the wipers will operate once to

show that AUTO mode is activated.

If the temperature of the raindrop sensor

is 90°C (194°F) or higher, or -15°C

(5°F) or lower, automatic operation may

not occur. In this case, operate the wipers

in any mode other than AUTO mode.

If no windshield washer fluid sprays

Check that the washer nozzles are not

blocked, if there is washer fluid in the

washer fluid tank.

253

5-3. Operating the lights and wipers

ivin
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When the windshield wipers are not
being used, they retract to below the
hood. To enable the windshield wipers
to be lifted when parking in cold condi-

tions or when replacing a windshield
wiper insert, change the rest position of
the windshield wipers to the service
position using the wiper lever.

Raising the wipers to the service
position

Within approximately 45 seconds of
turning the power switch off, move the
wiper lever to the

position and

hold it for approximately 2 seconds or
more.

The wipers will move to the service posi-
tion.

Lifting the windshield wipers

While holding the hook portion

the wiper arm, lift the windshield wiper
from the windshield.

WARNING

Caution regarding the use of wind-

shield wipers in AUTO mode (vehi-

cles with rain-sensing windshield

wipers)

The windshield wipers may operate

unexpectedly if the sensor is touched or

the windshield is subject to vibration in

AUTO mode. Take care that your fin-

gers, etc. do not become caught in the

windshield wipers.

Caution regarding the use of washer

fluid

When it is cold, do not use the washer

fluid until the windshield becomes warm.

The fluid may freeze on the windshield

and cause low visibility. This may lead to

an accident, resulting in death or serious

injury.

NOTICE

When the washer fluid tank is empty

Do not operate the switch continually as

the washer fluid pump may overheat.

When a nozzle becomes blocked

In this case, contact any authorized

Lexus retailer or Lexus authorized

repairer, or any reliable repairer.

Do not try to clear it with a pin or other

object. The nozzle will be damaged.

To prevent 12-volt battery discharge

Do not leave the wipers on longer than

necessary when the EV system is off.

Changing the windshield wiper
rest position/Lifting the wind-
shield wipers

254

5-3. Operating the lights and wipers

Lowering the windshield wipers to the

retracted position

With the windshield wipers placed on the

windshield, turn the power switch to ON

and then move the wiper lever to an operat-

ing position. When the wiper switch is

turned off, the windshield wipers will stop at

the retracted position. Even if the wipers

deviate while the power switch is OFF, the

wipers will return to the normal position.

NOTICE

When lifting the windshield wipers

Do not lift the windshield wipers when

they are in the retracted position

below the hood. Otherwise, they may

contact the hood, possibly resulting in

damage to a windshield wiper and/or

the hood.

Do not lift a windshield wiper by the

wiper blade. Otherwise, the wiper

blade may be deformed.

Do not operate the wiper lever when

the windshield wipers are lifted. Oth-

erwise, the windshield wipers may

contact the hood, possibly resulting in

damage to the windshield wipers

and/or hood.

255

5-3. Operating the lights and wipers

ivin
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Operating the

switch operates

the rear wiper as follows:

Off

Intermittent operation

Normal operation

Washer/wiper dual opera-

tion

Pushing the lever operates the wiper and
washer.
The wiper will automatically operate a cou-
ple of times after the washer squirts.

The rear window wiper and washer can

be operated when

The power switch is in ON.

If no windshield washer fluid sprays

Check that the washer nozzles are not

blocked, if there is washer fluid in the

washer fluid tank.

Reverse-linked rear window wiper

function

When the shift position is shifted to R when

the front wipers are operating, the rear win-

dow wiper will operate once.

Back door opening linked rear window

wiper stop function

When the rear window wiper is operating, if

the back door is opened while the vehicle is

stopped, operation of the rear window

wiper will be stopped to prevent anyone

near the vehicle from being sprayed by

water from the wiper. When the back door
is closed, wiper operation will resume.

: The setting must be customized at any

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

Customization

Setting of the reverse-linked function can

Rear window wiper and
washer

The rear window wiper and washer
can be used by operating the lever.

NOTICE

When the rear window is dry

Do not use the wiper, as it may damage

the rear window.

Operating the wiper lever

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