Lexus LS500h (2022 year). Manual in english

220

4-5. Using the driving support systems

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■

Vehicle, pedestrian or bicyclist detec-

tion function

The pre-collision system detects vehicles,

pedestrians and bicyclists based on the size,

profile, and motion of the person. However,

a vehicle, pedestrian or bicyclist may not be

detected depending on the surrounding

brightness and the motion, posture, and

angle of the person, preventing the system

from operating properly. (



P.223)

The illustration shows an image of vehicles,

pedestrians and bicyclists.

■

Conditions under which the system may

operate even if there is no possibility of a

collision

●

In some situations such as the following,

the system may determine that there is a

possibility of a frontal collision and oper-

ate.

• When passing a vehicle, pedestrian or

bicyclist

• When changing lanes while overtaking a

vehicle, pedestrian or bicyclist

• When approaching a vehicle, pedestrian

or bicyclist in an adjacent lane or on the

roadside, such as when changing the

course of travel or driving on a winding

road

• When rapidly closing on a vehicle,

pedestrian, bicyclist, etc.

• When approaching objects on the road-

side, such as vehicle, pedestrian, bicyclist,

guardrails, traffic signs, utility poles, street

lights, trees, walls, etc.

• When there is a vehicle, pedestrian, bicy-

clist or object by the roadside at the

entrance of a curve

• When there are patterns or paint in front

of your vehicle that may be mistaken for a

vehicle, pedestrian or bicyclist

• When the front of your vehicle is hit by

water, snow, dust, etc.

• When overtaking a vehicle, pedestrian or

bicyclist that is changing lanes or making

a right/left turn

Detectable objects

Vehicle speed

Oncoming vehicle

speed

Relative speed

between your vehicle

and object

Oncoming vehicles

Approx. 10 to 15 mph

(15 to 25 km/h)

Approx. 20 to 28

mph (30 to 45 km/h)

Approx. 28 to 43

mph (45 to 70 km/h)

Pedestrians

Approx. 7 to 15 mph

(10 to 25 km/h)

—

Approx. 7 to 15 mph

(10 to 25 km/h)

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• When passing a vehicle, pedestrian or

bicyclist in an oncoming lane that is

stopped to make a right/left turn

• When a vehicle, pedestrian or bicyclist

approaches very close and then stops

before entering the path of your vehicle

• If the front of your vehicle is raised or low-

ered, such as when on an uneven or

undulating road surface

• When driving on a road surrounded by a

structure, such as in a tunnel or on an iron

bridge

• When there is a metal object (manhole

cover, steel plate, etc.), steps, dips, or a

protrusion on the road surface or road-

side

• When a crossing pedestrian or bicyclist

approaches very close to the vehicle

• When passing through a place with a low

structure above the road such as a low

ceiling, underpass, bridge girder, traffic

sign, etc.

• When passing under an object (road

sign, billboard, etc.)

• When approaching an electric toll gate

barrier, parking area barrier, or other

barrier that opens and closes

• When using an automatic car wash

• When driving through or under objects

that may contact the vehicle, such as thick

grass, tree branches, or a banner

• When driving through steam or smoke

• When driving near an object that reflects

radio waves, such as a large truck or

guardrail

• When driving near a TV tower, broad-

casting station, electric power plant,

radar equipped vehicles, etc., or other

location where strong radio waves or

electrical noise may be present

• When there are many things which can

reflect the radio waves of the radar in the

vicinity (tunnels, truss bridges, gravel

roads, snow covered road that have

tracks, etc.)

• While making a right/left turn, when an

oncoming vehicle or a crossing pedes-

trian has already exited the path of your

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4-5. Using the driving support systems

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vehicle

• While making a right/left turn, closely in

front of an oncoming vehicle or a cross-

ing pedestrian.

• While making a right/left turn, when an

oncoming vehicle or a crossing pedes-

trian stops before entering the path of

your vehicle

• While making a right/left turn, when an

oncoming vehicle turns right/left in front

of your vehicle

• While steering into the direction of

oncoming traffic

• When passing an oncoming vehicle on a

narrow road

• When driving close to objects such as

walls or poles on a median

• When passing an oncoming vehicle

around a sharp curve

• When passing a vehicle which is making

a left/right turn

• When being passed by a vehicle

approaching from the left or right side in

front of your vehicle

• When making a left/right turn while a

vehicle is approaching from the left or

right side in front of your vehicle

• When passing an object on the side of the

road, such as a parked vehicle

• When passing an oncoming vehicle on a

S curve

• When there is an object that may be mis-

taken for a pedestrian, such as a utility

pole, tree, or pole on the roadside or at

the entrance of a curve

• When there is a bicycle or motorcycle on

the roadside at the entrance of a curve

• If the preceding vehicle is a bicycle or

motorcycle

●

The system may operate the pedestrian

alert unnecessarily if it detects the follow-

ing:

• Pedestrians on a sidewalk

• Bicycles and motorcycles

• Patterns or paint on the road, a wall,

median, billboard, etc. that may be mis-

taken for a pedestrian or bicyclist

■

Situations in which the system may not

operate properly

●

In some situations, such as the following,

a vehicle, pedestrian or bicyclist may not

be detected by the sensors, preventing

the system from operating properly:

• When a vehicle, pedestrian or bicyclist is

approaching your vehicle

• When your vehicle or a vehicle, pedes-

trian or bicyclist is wobbling

• If a vehicle, pedestrian or bicyclist makes

an abrupt maneuver (such as sudden

swerving, acceleration or deceleration)

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4-5. Using the driving support systems

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Driving

• When your vehicle approaches a vehicle,

pedestrian or bicyclist rapidly

• When a vehicle, pedestrian or bicyclist is

not directly in front of your vehicle

• When a vehicle, pedestrian or bicyclist is

near a wall, fence, guardrail, manhole

cover, vehicle, steel plate on the road, etc.

• When a vehicle, pedestrian or bicyclist is

under a structure

• When part of a vehicle, pedestrian or

bicyclist is hidden by an object, such as

large baggage, an umbrella, or guardrail

• When there are many things which can

reflect the radio waves of the radar in the

vicinity (tunnels, truss bridges, gravel

roads, snow covered road that have

tracks, etc.)

• When there is an effect on the radio

waves to the radar that is installed on

another vehicle

• When multiple vehicles, pedestrians or

bicyclists are close together

• If the sun or other light is shining directly

on a vehicle, pedestrian, bicyclist or

guardrail ahead

• When a vehicle, pedestrian or bicyclist is

a shade of white and looks extremely

bright

• When a vehicle, pedestrian or bicyclist

appears to be nearly the same color or

brightness as its surroundings

• If a vehicles, pedestrians or bicyclists cuts

or suddenly emerges in front of your

vehicle

• When the front of your vehicle is hit by

water, snow, dust, etc.

• When a very bright light ahead, such as

the sun or the headlights of oncoming

traffic, shines directly into the front cam-

era

• When approaching the side or front of a

vehicle ahead

• If a vehicle ahead is a motorcycle

• If a vehicle ahead is narrow, such as a per-

sonal mobility vehicle

• If a preceding vehicle has a small rear

end, such as an unloaded truck

• If a preceding vehicle has a low rear end,

such as a low bed trailer

• If a vehicle ahead has extremely high

ground clearance

• If a vehicle ahead is carrying a load which

protrudes past its rear bumper

• If a vehicle ahead is irregularly shaped,

such as a tractor or side car

• If a vehicle ahead is a child sized bicycle,

a bicycle that is carrying a large load, a

bicycle ridden by more than one person,

or a uniquely shaped bicycle (bicycle with

a child seat, tandem bicycle, etc.)

• If a pedestrian/or the riding height of a

bicyclist ahead is shorter than approxi-

mately 3.2 ft. (1 m) or taller than approxi-

mately 6.5 ft. (2 m)

• If a pedestrian/bicyclist is wearing over-

sized clothing (a rain coat, long skirt,

etc.), making their silhouette obscure

• If a pedestrian is bending forward or

squatting or bicyclist is bending forward

• If a pedestrian/bicyclist is moving fast

• If a pedestrian is pushing a stroller, wheel-

chair, bicycle or other vehicle

• When driving in inclement weather such

as heavy rain, fog, snow or a sandstorm

• When driving through steam or smoke

• When the surrounding area is dim, such

as at dawn or dusk, or while at night or in

a tunnel, making a vehicle, pedestrian or

bicyclist appear to be nearly the same

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4-5. Using the driving support systems

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color as its surroundings

• When driving in a place where the sur-

rounding brightness changes suddenly,

such as at the entrance or exit of a tunnel

• When driving in a location where there

are many objects which reflect radar,

such as a tunnel or parking garage

• After the hybrid system has started the

vehicle has not been driven for a certain

amount of time

• While making a left/right turn and for a

few seconds after making a left/right turn

• While driving on a curve and for a few

seconds after driving on a curve

• If your vehicle is skidding

• If the front of the vehicle is raised or low-

ered

• If the wheels are misaligned

• If a wiper blade is blocking the front cam-

era

• The vehicle is being driven at extremely

high speeds.

• When driving on a hill

• If the radar sensor or front camera is mis-

aligned

• If the headlights are misaligned

• When approaching a guardrail at a wide

or narrow angle

• When a vehicle approaches your vehicle

from the front left or right side while your

vehicle is entering an intersection with

poor visibility

• When a vehicle approaches your vehicle

from the rear left or right side

• When a vehicle approaches the side of

your vehicle at a shallow angle

• When driving on a road with a grade that

changes sharply (sharp incline/decline)

• Pedestrians and bicyclists which are not

illuminated by the headlights at night, in a

tunnel, etc.

• Pedestrians and bicyclists which change

speed or direction abruptly

• Pedestrians and bicyclists which suddenly

emerge from behind a vehicle or large

object

• Pedestrians and bicyclists which are

extremely close to the side of the vehicle

(outside rear view mirror, etc.)

• When driving in a traffic lane separated

by more than one lane where oncoming

vehicles are driving while making a

right/left turn

• When largely out of place with the oppo-

site facing targeted oncoming vehicle

during a right/left turn

• While making a right/left turn, when a

pedestrian approaches from behind or

side of your vehicle

●

In some situations, such as the following,

the sensors may not detect the lane lines

or a safe space the vehicle can be steered

into, preventing the active steering assist

from operating properly:

• When the white (yellow) lane lines are

difficult to see, such as when they are

faint, diverging/merging, or a shadow is

cast upon them

• When the lane is more wide or narrow

than normal

• When there is a light and dark pattern on

the road surface, such as due to road

repairs

• If the system determines that a collision

can be avoided by only using the brakes

• When a pedestrian is detected near the

centerline of the vehicle

●

In some situations such as the following,

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4-5. Using the driving support systems

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Driving

sufficient braking force or steering force

may not be obtained, preventing the sys-

tem from performing properly:

• If the braking functions cannot operate to

their full extent, such as when the brake

parts are extremely cold, extremely hot,

or wet

• If the vehicle is not properly maintained

(brakes or tires are excessively worn,

improper tire inflation pressure, etc.)

• When the vehicle is being driven on a

gravel road or other slippery surface

• If there are deep ruts in the road

• When driving on a slope

• When driving on a horizontally slanted

road

●

Some guardrails, such as the following,

may not be detected by the sensors, pre-

venting the system from operating prop-

erly:

• Guardrails which are less than approxi-

mately 1.9 ft. (60 cm) tall

• Short guardrails

• Irregularly-shaped guardrails (wire cable

guardrails, guardrails made of thin poles,

etc.)

• Guardrails which are not illuminated by

the headlights at night, in a tunnel, etc.

• Guardrails which appear to be nearly the

same color or brightness as their sur-

roundings

• Guardrails which appear to be nearly the

same shape as their surroundings (walls,

etc.)

• Guardrails which are over a metal object

(manhole cover, steel plate, etc.)

• Guardrails which are hidden behind thick

grass

• Guardrails which are extremely close to

the side of the vehicle (outside rear view

mirror, etc.)

• Curved guardrails or guardrails at the

entrance of a curve

●

In some situations such as the following,

the system may detect a pedestrian and

display a warning on the head-up display,

even though no pedestrian exists:

• If the front of the vehicle is raised or low-

ered, such as when the road surface is

uneven or undulating (due to ruts, etc.)

• When driving on a slope

• When driving on a horizontally slanted

road

• If the driver’s posture (driver seat posi-

tion) is extreme, such as excessively

reclined

• If the head-up display position is set

extremely high

■

If VSC is disabled

●

If VSC is disabled (



P.336), the

pre-collision brake assist and pre-colli-

sion braking functions are also disabled.

●

The PCS warning light will turn on and

“VSC Turned Off Pre-Collision Brake

System Unavailable” will be displayed on

the multi-information display.

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4-5. Using the driving support systems

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The system can detect the following
(The detectable objects differs
depending on the function.):



Vehicles



Bicyclists



Pedestrians

■

Pre-collision warning

When the system determines that the

possibility of a frontal collision is high, a
buzzer will sound and a warning mes-
sage will be displayed on the
multi-information display to urge the
driver to take evasive action.

■

Pre-collision brake assist

When the system determines that the
possibility of a frontal collision is high,
the system applies greater braking
force in relation to how strongly the
brake pedal is depressed.

■

Pre-collision braking

If the system determines that the possi-
bility of a frontal collision is extremely
high, the brakes are automatically
applied to help avoid the collision or
reduce the impact of the collision.

■

Pre-collision seatbacks (front pas-
senger’s seat / power rear seat [if
equipped])

If the system determines that the possi-
bility of a frontal collision is high, it may
move the seatbacks of the front pas-
senger’s seat and power rear seats to
the upright position automatically, if
reclined.

If a seat is being adjusted, it may not be
moved by the pre-collision seat function.

PCS (Pre-Collision System)
(vehicles with Lexus Safety
System + 2.5)

The pre-collision system uses a
radar sensor and front camera to
detect objects (



P.227) in front of

the vehicle. When the system
determines that the possibility of a
frontal collision with an object is
high, a warning operates to urge
the driver to take evasive action
and the potential brake pressure is
increased to help the driver avoid
the collision. If the system deter-
mines that the possibility of a frontal
collision with an object is extremely
high, the brakes are automatically
applied to help avoid the collision or
help reduce the impact of the colli-
sion.

The pre-collision system can be dis-
abled/enabled and the warning tim-
ing can be changed. (



P.230)

Detectable objects

System functions

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■

Emergency steering assist

If the system determines that the possi-
bility of a frontal collision is high and
that there is sufficient space for the
vehicle to be steered into within its
lane, and the driver has begun evasive
maneuver or steering, emergency
steering assist will assist the steering
movements to help enhance the vehi-
cle stability and for lane departure pre-
vention. During operation, the
indicator will illuminate in green.

■

Intersection right/left turn assis-
tance

If the system determines that there is a
high possibility of a collision in the fol-
lowing situations, it will assist with
Pre-collision warning and, if necessary
Pre-collision braking.
Depending on the configuration of the
intersection, it may not be possible to
support.



When you turn right/left at an inter-
section and cross the path of an
oncoming vehicle



When you turn right/left, pedestrian
is detected in the forward direction
and estimated to enter your vehi-
cle’s path (bicyclists are not
detected.)

■

Suspension control

When the system determines that the
possibility of a frontal collision is high,
the Adaptive Variable Suspension Sys-
tem (



P.336) will control the damp-

ing force of the shock absorbers to
help maintain an appropriate vehicle
posture.

■

Steering control (if equipped)

When the system determines that the
possibility of a frontal collision is high
and the driver is operating the steering
wheel, the LDH system (



P.336) will

control the turning angle of the front
and rear wheels and effort necessary
to turn the steering wheel to help
enhance steering responsiveness.

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WARNING

■

Limitations of the pre-collision system

●

The driver is solely responsible for safe

driving. Always drive safely, taking

care to observe your surroundings.

Do not use the pre-collision system

instead of normal braking operations

under any circumstances. This system

will not prevent collisions or lessen col-

lision damage or injury in every situa-

tion. Do not overly rely on this system.

Failure to do so may lead to an acci-

dent, resulting in death or serious

injury.

●

Although this system is designed to

help avoid a collision or help reduce

the impact of the collision, its effective-

ness may change according to various

conditions, therefore the system may

not always be able to achieve the same

level of performance.

Read the following conditions care-

fully. Do not overly rely on this system

and always drive carefully.

• Conditions under which the system

may operate even if there is no possi-

bility of a collision:



P.233

• Conditions under which the system

may not operate properly:



P.235

●

Do not attempt to test the operation of

the pre-collision system yourself.

Depending on the objects used for

testing (dummies, cardboard objects

imitating detectable objects, etc.), the

system may not operate properly, pos-

sibly leading to an accident.

■

Pre-collision braking

●

When the pre-collision braking func-

tion is operating, a large amount of

braking force will be applied.

●

If the vehicle is stopped by the opera-

tion of the pre-collision braking func-

tion, the pre-collision braking function

operation will be canceled after

approximately 2 seconds. Depress the

brake pedal as necessary.

●

The pre-collision braking function may

not operate if certain operations are

performed by the driver. If the acceler-

ator pedal is being depressed strongly

or the steering wheel is being turned,

the system may determine that the

driver is taking evasive action and pos-

sibly prevent the pre-collision braking

function from operating.

●

In some situations, while the pre-colli-

sion braking function is operating,

operation of the function may be can-

celed if the accelerator pedal is

depressed strongly or the steering

wheel is turned and the system deter-

mines that the driver is taking evasive

action.

●

If the brake pedal is being depressed,

the system may determine that the

driver is taking evasive action and pos-

sibly delay the operation timing of the

pre-collision braking function.

■

Emergency steering assist

●

As emergency steering assist opera-

tion will be canceled when the system

determines that lane departure pre-

vention function has been completed.

●

Emergency steering assist may not

operate or may be canceled in the fol-

lowing cases as the system may deter-

mine the driver is taking actions.

• If the accelerator pedal is being

depressed strongly, the steering wheel

is being operated sharply, the brake

pedal is being depressed or the turn

signal lever is being operated. In this

case, the system may determine that

the driver is taking evasive action and

the emergency steering assist may not

operate.

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■

Enabling/disabling the pre-colli-
sion system

The pre-collision system can be
enabled/disabled on

(



P.84) of

the multi-information display.

The system is automatically enabled each
time the power switch is turned to ON
mode.

If the system is disabled, the PCS warn-
ing light will turn on and a message will
be displayed on the multi-information
display.

WARNING

• In some situations, while the emer-

gency steering assist is operating,

operation of the function may be can-

celed if the accelerator pedal is

depressed strongly, the steering wheel

is operated sharply or the brake pedal

is being depressed and the system

determines that the driver is taking

evasive action.

• When the emergency steering assist is

operating, if the steering wheel is held

firmly or is operated in the opposite

direction to that which the system is

generating torque, the function may be

canceled.

■

When to disable the pre-collision sys-

tem

In the following situations, disable the

system, as it may not operate properly,

possibly leading to an accident resulting

in death or serious injury:

●

When the vehicle is being towed

●

When your vehicle is towing another

vehicle

●

When transporting the vehicle via

truck, boat, train or similar means of

transportation

●

When the vehicle is raised on a lift with

the hybrid system on and the tires are

allowed to rotate freely

●

When inspecting the vehicle using a

drum tester such as a chassis dyna-

mometer or speedometer tester, or

when using an on vehicle wheel bal-

ancer

●

When a strong impact is applied to the

front bumper or front grille, due to an

accident or other reasons

●

If the vehicle cannot be driven in a sta-

ble manner, such as when the vehicle

has been in an accident or is malfunc-

tioning

●

When the vehicle is driven in a sporty

manner or off-road

●

When the tires are not properly

inflated

●

When the tires are very worn

●

When tires of a size other than speci-

fied are installed

●

When tire chains are installed

●

When a compact spare tire or an

emergency tire puncture repair kit is

used

●

If equipment (snow plow, etc.) that may

obstruct the radar sensor or front cam-

era is temporarily installed to the vehi-

cle

Changing settings of the pre-col-
lision system

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4-5. Using the driving support systems

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■

Changing the pre-collision warn-
ing timing

The pre-collision warning timing can
be changed on

(



P.84) of the

multi-information display.

The warning timing setting is retained
when the power switch is turned off. How-
ever, if the pre-collision system is disabled
and re-enabled, the operation timing will
return to the default setting (middle).

If the pre-collision warning timing is
changed, emergency steering assist
timing will also be changed accord-

ingly.
If late is selected, emergency steering
assist would not operate in case of an
emergency.

Early

Middle

This is the default setting.

Late

■

Operational conditions for each pre-collision function

The pre-collision system is enabled and the system determines that the possibility of a frontal

collision with a detected object is high.
The system may not operate in the following situations:
• If a 12-volt battery terminal has been disconnected and reconnected and then the vehicle

has not been driven for a certain amount of time

• If the shift position is in R
• When the VSC OFF indicator is illuminated (only the pre-collision warning function will

be operational)

The operation speeds and operation cancellation for each function is listed below.

●

Pre-collision warning

Detectable objects

Vehicle speed

Relative speed between your

vehicle and object

Preceding and stopped vehi-

cles

Approx. 7 to 110 mph (10 to

180 km/h)

Approx. 7 to 110 mph (10 to

180 km/h)

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Driving

While the pre-collision warning function is operating, if the steering wheel is operated heav-

ily or suddenly, the pre-collision warning may be cancelled.

●

Pre-collision brake assist

●

Pre-collision braking

If either of the following occur while the pre-collision braking function is operating, it will be

canceled:
• The accelerator pedal is depressed strongly.
• The steering wheel is turned sharply or abruptly.

●

Emergency steering assist

When the turn signal lights are flashing, emergency steering assist will not operate in case of

an emergency.

Oncoming vehicles

Approx. 7 to 110 mph (10 to

180 km/h)

Approx. 13 to 110 mph (20 to

180 km/h)

Bicyclists and pedestrians

Approx. 7 to 50 mph (10 to

80 km/h)

Approx. 7 to 50 mph (10 to

80 km/h)

Detectable objects

Vehicle speed

Relative speed between your

vehicle and object

Detectable objects

Vehicle speed

Relative speed between your

vehicle and object

Preceding and stopped vehi-

cles

Approx. 20 to 110 mph (30

to 180 km/h)

Approx. 20 to 110 mph (30

to 180 km/h)

Bicyclists and pedestrians

Approx. 20 to 50 mph (30

to 80 km/h)

Approx. 20 to 50 mph (30

to 80 km/h)

Detectable objects

Vehicle speed

Relative speed between your

vehicle and object

Preceding and stopped vehi-

cles

Approx. 7 to 110 mph (10 to

180 km/h)

Approx. 7 to 110 mph (10 to

180 km/h)

Oncoming vehicles

Approx. 7 to 110 mph (10 to

180 km/h)

Approx. 13 to 110 mph (20 to

180 km/h)

Bicyclists and pedestrians

Approx. 7 to 50 mph (10 to

80 km/h)

Approx. 7 to 50 mph (10 to

80 km/h)

Detectable objects

Vehicle speed

Relative speed between your

vehicle and object

Preceding and stopped vehi-

cles, bicyclists and pedestri-

ans

Approx. 25 to 50 mph (40

to 80 km/h)

Approx. 25 to 50 mph (40

to 80 km/h)

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If any of the following occur while the emergency steering assist function is operating, it will

be canceled:
• The accelerator pedal is depressed strongly.
• The steering wheel is turned sharply or abruptly.
• The brake pedal is depressed.

●

Intersection right/left turn assistance (pre-collision warning)

When the turn signal lights are not flashing, support for turning left or right at an intersection

which targets oncoming vehicles does not work.

●

Intersection right/left turn assistance (pre-collision braking)

When the turn signal lights are not flashing, support for turning left or right at an intersection

which targets oncoming vehicles does not work.

■

Object detection function

The system detects objects based on their

size, profile, motion, etc. However, an object

may not be detected depending on the sur-

rounding brightness and the motion, pos-

ture, and angle of the detected object,

preventing the system from operating prop-

erly. (



P.235)

The illustration shows an image of detect-

able objects.

■

Conditions under which the system may

operate even if there is no possibility of a

collision

●

In some situations such as the following,

the system may determine that there is a

possibility of a frontal collision and oper-

ate.

Detectable objects

Vehicle speed

Oncoming vehicle

speed

Relative speed

between your vehi-

cle and object

Oncoming vehicles

Approx. 7 to 15 mph

(10 to 25 km/h)

Approx. 20 to 35

mph (30 to 55 km/h)

Approx. 25 to 50

mph (40 to 80

km/h)

Pedestrians

Approx. 7 to 15 mph

(10 to 25 km/h)

Approx. 7 to 15 mph

(10 to 25 km/h)

Detectable objects

Vehicle speed

Oncoming vehicle

speed

Relative speed

between your vehi-

cle and object

Oncoming vehicles

Approx. 10 to 15 mph

(15 to 25 km/h)

Approx. 20 to 28

mph (30 to 45 km/h)

Approx. 28 to 43

mph (45 to 70 km/h)

Pedestrians

Approx. 7 to 15 mph

(10 to 25 km/h)

Approx. 7 to 15 mph

(10 to 25 km/h)

233

4-5. Using the driving support systems

LEXUS LS500h Owner's Manual

Driving

• When passing a detectable object, etc.

• When changing lanes while overtaking a

detectable object, etc.

• When approaching a detectable object

in an adjacent lane or on the roadside,

such as when changing the course of

travel or driving on a winding road

• When rapidly closing on a detectable

object, etc.

• When approaching objects on the road-

side, such as detectable objects, guard-

rails, utility poles, trees, or walls

• When there is detectable object or other

object by the roadside at the entrance of

a curve

• When there are patterns or paint in front

of your vehicle that may be mistaken for a

detectable object

• When the front of your vehicle is hit by

water, snow, dust, etc.

• When overtaking a detectable object

that is changing lanes or making a

right/left turn

• When passing a detectable object in an

oncoming lane that is stopped to make a

right/left turn

• When a detectable object approaches

very close and then stops before entering

the path of your vehicle

• If the front of your vehicle is raised or low-

ered, such as when on an uneven or

undulating road surface

• When driving on a road surrounded by a

structure, such as in a tunnel or on an iron

bridge

• When there is a metal object (manhole

cover, steel plate, etc.), steps, or a protru-

sion in front of your vehicle

• When passing under an object (road

sign, billboard, etc.)

• When approaching an electric toll gate

barrier, parking area barrier, or other

barrier that opens and closes

• When using an automatic car wash

• When driving through or under objects

that may contact your vehicle, such as

thick grass, tree branches, or a banner

• When driving through steam or smoke

• When driving near an object that reflects

radio waves, such as a large truck or

234

4-5. Using the driving support systems

LEXUS LS500h Owner's Manual

guardrail

• When driving near a TV tower, broad-

casting station, electric power plant,

radar equipped vehicles, etc., or other

location where strong radio waves or

electrical noise may be present

• When there are many things which can

reflect the radio waves of the radar in the

vicinity (tunnels, truss bridges, gravel

roads, snow covered road that have

tracks, etc.)

• While making a right/left turn, when an

oncoming vehicle or a crossing pedes-

trian has already exited the path of your

vehicle

• While making a right/left turn, closely in

front of an oncoming vehicle or a cross-

ing pedestrian.

• While making a right/left turn, when an

oncoming vehicle or a crossing pedes-

trian stops before entering the path of

your vehicle

• While making a right/left turn, when an

oncoming vehicle turns right/left in front

of your vehicle

• While steering into the direction of

oncoming traffic

■

Situations in which the system may not

operate properly

●

In some situations such as the following,

an object may not be detected by the

radar sensor and front camera, prevent-

ing the system from operating properly:

• When a detectable object is approaching

your vehicle

• When your vehicle or a detectable object

is wobbling

• If a detectable object makes an abrupt

maneuver (such as sudden swerving,

acceleration or deceleration)

• When your vehicle approaches a detect-

able object rapidly

• When a detectable object is not directly

in front of your vehicle

• When a detectable object is near a wall,

fence, guardrail, manhole cover, vehicle,

steel plate on the road, etc.

• When a detectable object is under a

structure

• When part of a detectable object is hid-

den by an object, such as large baggage,

an umbrella, or guardrail

• When there are many things which can

reflect the radio waves of the radar in the

vicinity (tunnels, truss bridges, gravel

roads, snow covered road that have

tracks, etc.)

• When there is an effect on the radio

waves to the radar that is installed on

another vehicle

• When multiple detectable objects are

close together

• If the sun or other light is shining directly

on a detectable object

• When a detectable object is a shade of

white and looks extremely bright

• When a detectable object appears to be

nearly the same color or brightness as its

surroundings

• If a detectable object cuts or suddenly

emerges in front of your vehicle

• When the front of your vehicle is hit by

water, snow, dust, etc.

• When a very bright light ahead, such as

the sun or the headlights of oncoming

traffic, shines directly into the front cam-

era

• When approaching the side or front of a

vehicle ahead

• If a vehicle ahead is a motorcycle

• If a vehicle ahead is narrow, such as a per-

sonal mobility vehicle

• If a preceding vehicle has a small rear

end, such as an unloaded truck

• If a preceding vehicle has a low rear end,

such as a low bed trailer

235

4-5. Using the driving support systems

LEXUS LS500h Owner's Manual

Driving

• If a vehicle ahead has extremely high

ground clearance

• If a vehicle ahead is carrying a load which

protrudes past its rear bumper

• If a vehicle ahead is irregularly shaped,

such as a tractor or side car

• If a vehicle ahead is a child sized bicycle,

a bicycle that is carrying a large load, a

bicycle ridden by more than one person,

or a uniquely shaped bicycle (bicycle with

a child seat, tandem bicycle, etc.)

• If a pedestrian/or the riding height of a

bicyclist ahead is shorter than approxi-

mately 3.2 ft. (1 m) or taller than approxi-

mately 6.5 ft. (2 m)

• If a pedestrian/bicyclist is wearing over-

sized clothing (a rain coat, long skirt,

etc.), making their silhouette obscure

• If a pedestrian is bending forward or

squatting or bicyclist is bending forward

• If a pedestrian/bicyclist is moving fast

• If a pedestrian is pushing a stroller, wheel-

chair, bicycle or other vehicle

• When driving in inclement weather such

as heavy rain, fog, snow or a sandstorm

• When driving through steam or smoke

• When the surrounding area is dim, such

as at dawn or dusk, or while at night or in

a tunnel, making a detectable object

appear to be nearly the same color as its

surroundings

• When driving in a place where the sur-

rounding brightness changes suddenly,

such as at the entrance or exit of a tunnel

• After the hybrid system has started the

vehicle has not been driven for a certain

amount of time

• While making a left/right turn and for a

few seconds after making a left/right turn

• While driving on a curve and for a few

seconds after driving on a curve

• If your vehicle is skidding

• If the front of the vehicle is raised or low-

ered

• If the wheels are misaligned

• If a wiper blade is blocking the front cam-

era

• The vehicle is being driven at extremely

high speeds

• When driving on a hill

• If the radar sensor or front camera is mis-

aligned

• When driving in a traffic lane separated

by more than one lane where oncoming

vehicles are driving while making a

right/left turn

• When largely out of place with the oppo-

site facing targeted oncoming vehicle

during a right/left turn

• While making a right/left turn, when a

pedestrian approaches from behind or

side of your vehicle

Lexus LS500h (2022 year). Manual in english - page 13