Lexus ES300h (2023 year). Manual in english — page 14
234
4-5. Using the driving support systems
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 equipment that may obstruct a
sensor is installed, such as a towing eye-
let, bumper protector (an additional trim
strip, etc.), bicycle carrier, or snow plow.
●
When backing up on a slope with a sharp
change in grade.
●
When backing out of a sharp angle park-
ing spot.
●
When towing a trailer.
●
When there is a significant difference in
height between your vehicle and the
vehicle that enters the detection area.
●
When a sensor or the area around a sen-
sor is extremely hot or cold.
●
If the suspension has been modified or
tires of a size other than specified are
installed.
●
If the front of the vehicle is raised or low-
ered due to the carried load.
●
When turning while backing up.
●
When a vehicle turns into the detection
area.
■
Situations in which the system may
operate even if there is no possibility of a
collision
Instances of the RCTA function unneces-
sarily detecting a vehicle and/or object may
increase in the following situations:
●
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.
235
4-5. Using the driving support systems
4
Driving
●
When equipment that may obstruct a
sensor is installed, such as a towing eye-
let, bumper protector (an additional trim
strip, etc.), bicycle carrier, or snow plow.
●
When a vehicle passes by the side of your
vehicle.
●
When a detected vehicle turns while
approaching the vehicle.
●
When there are spinning objects near
your vehicle such as the fan of an air con-
ditioning unit.
●
When water is splashed or sprayed
toward the rear bumper, such as from a
sprinkler.
●
Moving objects (flags, exhaust fumes,
large rain droplets or snowflakes, rain
water on the road surface, etc.).
●
When the distance between your vehicle
and a guardrail, wall, etc., that enters the
detection area is short.
●
Gratings and gutters.
●
When a sensor or the area around a sen-
sor is extremely hot or cold.
●
If the suspension has been modified or
tires of a size other than specified are
installed.
●
If the front of the vehicle is raised or low-
ered due to the carried load.
236
4-5. Using the driving support systems
*
: If equipped
Pedestrian detection icon
Displayed automatically when a pedestrian
is detected.
Use the meter control switches to
enable/disable the RCD function.
(
1
Press
or
to select
.
2
Press
or
to select “PKSA”
and then press “OK”.
RCD (Rear Camera Detec-
tion) function
*
When the vehicle is backing up, the
rear camera detection function can
detect pedestrians in the detection
area behind the vehicle. If a pedes-
trian is detected, a buzzer will
sound and an icon will be displayed
on the Center Display to inform the
driver of the pedestrian.
WARNING
■
Cautions regarding the use of the
system
The recognition and control capabilities
for this system are limited.
The driver should always drive safely by
always being responsible without over
relying on the system and have a under-
standing of the surrounding situations.
■
To ensure the system can operate
properly
Observe the following, otherwise there is
the danger that could lead to an acci-
dent.
●
Always clean the camera without
damaging it.
●
Do not install market electronic parts
(such as Illuminated license plate, fog
lamps, etc.) in the camera vicinity.
●
Do not subject the camera vicinity to
strong impacts. If the vicinity is sub-
jected to a strong impact, have the
vehicle inspected by your Lexus
dealer.
●
Do not disassemble, remodel or paint
the camera.
●
Do not attach accessories or stickers
to the camera.
●
Do not install market protection parts
(bumper trim, etc.) to the rear bumper.
●
Maintain suitable tire air pressure.
●
Make sure the trunk is completely
closed.
■
RCD function is turned off
In the following situations the system
turns off. The RCD function may not
operate properly and thus there is the
danger that an accident may occur.
●
The contents mentioned above are not
observed.
●
Suspensions other than Lexus genu-
ine parts are installed.
RCD display
Turning the RCD function on/off
A
237
4-5. Using the driving support systems
4
Driving
3
Press
or
to select “RCD”
and then press “OK”.
When the RCD function is disabled, the
RCD OFF indicator (
on the multi-information display.
Each time the power switch is turned off
then changed to ON, the RCD function
will be enabled automatically.
If the rear camera detection function
detects a pedestrian in the detection
area, the buzzer and pedestrian detec-
tion will operate as follows:
If a pedestrian is detected in area
Buzzer: Sounds repeatedly
Pedestrian detection icon: Blinks 3
times and then stays on
If a pedestrian is detected in area
Buzzer (When the vehicle is sta-
tionary): Sounds 3 times
Buzzer (When the vehicle is back-
ing up, when a pedestrian
approaches the rear of the vehicle):
Sounds repeatedly
Pedestrian detection icon: Blinks 3
times and then stays on
If the system determines that your
vehicle may collide with a pedes-
trian in area
Buzzer: Sounds repeatedly
Pedestrian detection icon: Blinks 3
times and then stays on
■
The rear camera detection function is
operational when
●
The power switch is in ON mode.
●
RCD function is on.
●
The shift lever is in R.
■
Setting the buzzer volume
The buzzer volume of the RCD, intuitive
parking assist and RCTA can all be
adjusted at once on the multi-information
display. (
■
If “Rear Camera Detection Unavailable
Remove the Dirt of Rear Camera” is
displayed on the multi-information dis-
play
A rear camera lens may be dirty or covered
with snow or ice. In such cases, if it is
removed from the rear camera lens, the
system should return to normal. (It may be
necessary to drive the vehicle for some time
before the system returns to normal.)
■
If “Rear Camera Detection Unavail-
able” is displayed on the multi-informa-
tion display
●
If the trunk lid is open, fully close it.
●
If this message is displayed only when the
shift lever is in R, the rear camera lens
may be dirty. Clean the rear camera lens.
■
Situations in which the system may not
operate properly
●
Some pedestrians, such as the following,
may not be detected by the rear camera
detection function, preventing the func-
tion from operating properly:
• Pedestrians who are bending forward or
When a pedestrian is detected
A
A
B
B
C
C
238
4-5. Using the driving support systems
squatting
• Pedestrians who are lying down
• Pedestrians who are running
• Pedestrians who suddenly enter the
detection area
• People riding a bicycle, skateboard, or
other light vehicle
• Pedestrians wearing oversized clothing
such as a rain coat, long skirt, etc., making
their silhouette obscure
• Pedestrians whose body is partially hid-
den by an object, such as a cart or
umbrella
• Pedestrians which are obscured by dark-
ness, such as at night
●
In some situations, such as the following,
pedestrians may not be detected by the
rear camera detection function, prevent-
ing the function from operating properly:
• When backing up in inclement weather
(rain, snow, fog, etc.)
• When the rear camera is obscured (dirt,
snow, ice, etc. are attached) or scratched
• When a very bright light, such as the sun,
or the headlights of another vehicle,
shines directly into the rear camera
• When backing up in a place where the
surrounding brightness changes sud-
denly, such as at the entrance or exit of a
garage or underground parking lot
• When backing up in a dim environment
such as during dusk or in an underground
parking lot
• When the camera position and direction
are deviated
• When a towing hook is attached
• When water droplets are flowing on the
camera lens
• When the vehicle height is extremely
changed (nose up, nose down)
• When tire chains or an emergency tire
puncture repair kit are used
• When the suspension has been lowered
or tires of a size other than specified are
installed
• When market electronic parts (such as
illuminated license plate, fog lights, etc.)
are installed in the rear camera vicinity
• When market protection parts (bumper
trim, etc.) are installed to the rear
bumper.
■
Situations in which the system may
operate unexpectedly
●
Even though there are no pedestrians in
the detection area, some objects, such as
the following, may be detected, possibly
causing the rear camera detection func-
tion to operate.
• Three dimensional objects, such as a
pole, traffic cone, fence, or parked vehi-
cle
• Moving objects, such as a car or motor-
cycle
• Objects moving toward your vehicle
when backing up, such as flags or pud-
dles (or airborne matter, such as smoke,
steam, rain, or snow)
• Cobblestone or gravel roads, tram rails,
road repairs, white lines, pedestrian
crossings or fallen leaves on the road
• Metal covers (gratings) or drainage
ditches
• Objects reflected in a puddle or on a wet
road surface
• Shadows on the road
●
In some situations, such as the following,
the rear camera detection function may
operate even though there are no pedes-
trians in the detection area.
• When backing up toward the roadside or
a bump on the road
• When backing up toward an
incline/decline
• If the rear of the vehicle is raised or low-
ered due to the carried load
• When market electronic parts (such as
illuminated license plate, fog lights, etc.)
are installed in the rear camera vicinity
• When market protection parts (bumper
trim, etc.) are installed to the rear
bumper.
• If the orientation of the rear camera has
been changed due to a collision or other
impact, or removal and installation
• If a towing eyelet is installed to the rear of
the vehicle
• When water is flowing over the rear cam-
era lens
• When the rear camera is obscured (dirt,
snow, ice, etc. are attached) or scratched
• If there is a flashing light in the detection
area, such as the emergency flashers of
another vehicle
• When tire chains or an emergency tire
239
4-5. Using the driving support systems
4
Driving
puncture repair kit are used.
●
Situations in which the rear camera
detection function may be difficult to
notice
• The buzzer may be difficult to hear if the
surrounding area is noisy, the volume of
the audio system volume is high, the air
conditioning system is being used, etc.
• If the temperature in the cabin is
extremely high or low, the Center Dis-
play may not operate correctly.
*
: If equipped
■
Parking Support Brake function
(static objects)
Ultrasonic sensors are used to detect
static objects, such as a wall, in the
detection area when driving at a low
speed or backing up. (
■
Parking Support Brake function
(rear-crossing vehicles)
Rear radar sensors are used to detect
approaching vehicles in the detection
area behind the vehicle when backing
up. (
PKSB (Parking Support
Brake)
*
The Parking Support Brake system
consists of the following functions
that operate when driving at a low
speed or backing up, such as when
parking. When the system deter-
mines that the possibility of a colli-
sion with a detected object or
pedestrian is high, a warning oper-
ates to urge the driver to take eva-
sive action. If the system
determines that the possibility of a
collision with a detected object or
pedestrian is extremely high, the
brakes are automatically applied to
help avoid the collision or help
reduce the impact of the collision.
PKSB (Parking Support Brake)
system
240
4-5. Using the driving support systems
■
Parking Support Brake function
(rear pedestrians) (if equipped)
A rear camera sensor is used to detect
pedestrians in the detection area
behind the vehicle when backing up.
(
WARNING
■
Cautions regarding the use of the
system
Do not overly rely on the system, as
doing so may lead to an accident.
Always drive while checking the safety of
the surroundings of the vehicle.
Depending on the vehicle and road con-
ditions, weather, etc., the system may not
operate.
The detection capabilities of sensors and
radars are limited. Always drive while
checking the safety of the surroundings
of the vehicle.
●
The driver is solely responsible for safe
driving. Always drive carefully, taking
care to observe your surroundings.
The Parking Support Brake system is
designed to provide support to lessen
the severity of collisions. However, it
may not operate in some situations.
●
The Parking Support Brake system is
not designed to stop the vehicle com-
pletely. Additionally, even if the system
has stopped the vehicle, it is necessary
to depress the brake pedal immedi-
ately as brake control will be canceled
after approximately 2 seconds.
●
It is extremely dangerous to check the
system operations by intentionally
driving the vehicle into the direction of
a wall, etc. Never attempt such actions.
■
When to disable the Parking Support
Brake
In the following situations, disable the
Parking Support Brake as the system
may operate even though there is no
possibility of a collision.
●
When inspecting the vehicle using a
chassis roller, chassis dynamo or free
roller.
●
When loading the vehicle onto a boat,
truck or other transport vessel.
●
If the suspension has been modified or
tires of a size other than specified are
installed.
●
If the front of the vehicle is raised or
lowered due to the carried load.
●
When equipment that may obstruct a
sensor is installed, such as a towing
eyelet, bumper protector (an addi-
tional trim strip, etc.), bicycle carrier,
or snow plow.
●
When using automatic car washing
devices.
●
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 tire chains, a compact spare tire
or an emergency tire puncture repair
kit are used.
●
During emergency towing
241
4-5. Using the driving support systems
4
Driving
The Parking Support Brake can be
enabled/disabled on the multi-infor-
mation display. All of the Parking Sup-
port Brake functions (static objects,
rear-crossing vehicles, and rear
pedestrians) are enabled/disabled
simultaneously.
Use the meter control switches to
enable/disable the parking support
brake. (
1
Press
or
to select
.
2
Press
or
to select
and
then press “OK”.
When the Parking Support Brake is dis-
abled, the PKSB OFF indicator (
illuminates on the multi-information dis-
play.
To re-enable the system, select
on the
multi-information display, select
and
turn it on. If the system is disabled, it will
remain off even if the power switch is
turned to ON mode after the power switch
has been turned off.
If the hybrid system output restriction con-
trol or brake control operates, a buzzer
will sound and a message will be displayed
on the Center Display and multi-informa-
tion display, to alert the driver. On vehicles
with a head-up display, the head-up display
will display the same message as the multi-
information display.
Depending on the situation, hybrid system
output restriction control will operate to
either limit acceleration or restrict output
as much as possible.
Hybrid system output restriction
control is operating (acceleration
restriction)
Acceleration greater than a certain
amount is restricted by the system.
Center Display (Panoramic view monitor):
No warning displayed
Multi-information display: “Object
Detected Acceleration Reduced”
PKSB OFF indicator: Not illuminated
Buzzer: Does not sound
Hybrid system output restriction
control is operating (output
restricted as much as possible)
The system has determined that stronger-
than-normal brake operation is necessary.
Center Display (Panoramic view monitor):
“BRAKE!”
Multi-information display: “BRAKE!”
PKSB OFF indicator: Not illuminated
Buzzer: Short beep
Brake control is operating
NOTICE
■
If “Parking Support Brake Unavail-
able” is displayed on the multi-infor-
mation display and the PKSB OFF
indicator is flashing
If this message is displayed immediately
after the power switch is changed to ON
mode, operate the vehicle carefully, pay-
ing attention to your surroundings. It may
be necessary to drive the vehicle for a
certain amount of time before the system
returns to normal. (If the system is not
return to normal after driving for a while,
clean the rear camera lens.)
Enabling/Disabling the Parking
Support Brake
Displays and buzzers for hybrid
system output restriction control
and brake control
242
4-5. Using the driving support systems
The system determined that emergency
braking is necessary.
Center Display (Panoramic view monitor):
“BRAKE!”
Multi-information display: “BRAKE!”
PKSB OFF indicator: Not illuminated
Buzzer: Short beep
Vehicle stopped by system opera-
tion
The vehicle has been stopped by brake
control operation.
Center Display (Panoramic view monitor):
“Switch to Brake” (If the accelerator pedal
is not depressed, “Press Brake Pedal” will
be displayed.)
Multi-information display: “Switch to
Brake” (If the accelerator pedal is not
depressed, “Press Brake Pedal” will be dis-
played.)
PKSB OFF indicator: Illuminated
Buzzer: Short beep
If the Parking Support Brake determines that a collision with a detected object or
pedestrian is possible, the hybrid system output will be restricted to restrain any
increase in the vehicle speed. (Hybrid system output restriction control: See figure
2 below.)
Additionally, if the accelerator pedal continues to be depressed, the brakes will be
applied automatically to reduce the vehicle speed. (Brake control: See figure 3
below.)
Figure 1 When the PKSB (Parking Support Brake) is disabled
Hybrid system output
Braking force
Time
Figure 2 When hybrid system output restriction control operates
System overview
A
B
C
243
4-5. Using the driving support systems
4
Driving
Hybrid system output
Braking force
Time
Hybrid system output restriction control begins operating
System determines that possibility of collision with detected object is high
Hybrid system output reduced
Example: Multi-information display:
“BRAKE!”
Figure 3 When brake control operates
Hybrid system output
Braking force
A
B
C
D
E
F
G
A
B
244
4-5. Using the driving support systems
Time
Hybrid system output restriction control begins operating
System determines that possibility of collision with detected object is high
Hybrid system output reduced
System determines that possibility of collision with detected object is extremely
high
Brake control begins operating
Brake control strength increased
Example: Multi-information display: “BRAKE!”
Example: Multi-information display: “Switch to Brake”
■
If the Parking Support Brake has oper-
ated
If the vehicle is stopped due to operation of
the Parking Support Brake, the Parking
Support Brake will be disabled and the
PKSB OFF indicator will illuminate. If the
Parking Support Brake operates unneces-
sarily, brake control can be canceled by
depressing the brake pedal or waiting for
approximately 2 seconds for it to automati-
cally be canceled. Then, the vehicle can be
operated by depressing the accelerator
pedal.
■
Re-enabling the Parking Support Brake
To re-enable the Parking Support Brake
when it has been disabled due to system
operation, perform any of the following
operations. At this time, the PKSB OFF
indicator will turn off. (
●
Turn the PKSB system on (
●
Turn the power switch off, and then back
to ON mode
●
Shift the shift lever to P
●
Drive with no operation targets in the
traveling direction of the vehicle
●
Change the traveling direction of the
vehicle
*
*
: Except the Parking Support Brake func-
tion (rear pedestrian)
■
If “Parking Support Brake Unavailable”
is displayed on the multi-information
display and the PKSB OFF indicator is
flashing
If this message is displayed only when the
shift lever is in R, the rear camera lens may
be dirty. Clean the camera lens. If this mes-
sage is displayed when the shift lever is in
any position other than R, a sensor on the
front or rear bumper may be dirty. Clean
the sensors and their surrounding area on
the bumpers.
■
If “Parking Support Brake Unavailable”
and “Parking Assist Unavailable Clean
Parking Assist Sensor” are displayed on
the multi-information display and the
PKSB OFF indicator is flashing
●
A sensor may be covered with ice, snow,
dirt, etc. In this case, remove the ice,
snow, dirt, etc., from the sensor to return
the system to normal. If this message is
shown even after removing dirt from the
sensor, or shown when the sensor was
not dirty to begin with, have the vehicle
inspected at your Lexus dealer.
●
A sensor may be frozen. Once the ice
melts, the system will return to normal.
●
Water may be continuously flowing over
the sensor surface, such as in a heavy
rain. When the system determines that it
is normal, the system will return to nor-
mal.
C
D
E
F
G
H
I
J
K
245
4-5. Using the driving support systems
4
Driving
■
If a 12-volt battery terminal has been
disconnected and reconnected
The system needs to be initialized. To initial-
ize the system, drive the vehicle straight
ahead for 5 seconds or more at a speed of
approximately 22 mph (35 km/h) or more.
246
4-5. Using the driving support systems
*
: If equipped
This function will operate in situations such as the following if an object is detected
in the traveling direction of the vehicle.
■
When traveling at a low speed and the brake pedal is not depressed, or is
depressed late
Parking Support Brake function (static objects)
*
If the sensors detect a static object, such as a wall, in the traveling direction of
the vehicle and the system determines that a collision may occur due to the
vehicle suddenly moving forward due to an accidental accelerator pedal
operation, the vehicle moving the unintended direction due to the wrong shift
position being selected, or while parking or traveling at low speeds, the sys-
tem will operate to lessen the impact with the detected static object and
reduce the resulting damage.
Examples of function operation
247
4-5. Using the driving support systems
4
Driving
■
When the accelerator pedal is depressed excessively
■
When the vehicle moves in the unintended direction due to the wrong shift
position being selected
■
The Parking Support Brake function
(static object) will operate when
The function will operate when the PKSB
OFF indicator is not illuminated or flashing
Types of sensors
WARNING
■
To ensure the system can operate
properly
■
If the Parking Support Brake function
(static objects) operates unnecessar-
ily, such as at a railroad crossing
■
Notes when washing the vehicle
248
4-5. Using the driving support systems
(
P.73, 74) and all of the following condi-
tions are met:
●
Hybrid system output restriction control
• The Parking Support Brake is enabled.
• The vehicle speed is approximately 9
mph (15 km/h) or less.
• There is a static object in the traveling
direction of the vehicle and approxi-
mately 6 to 13 ft. (2 to 4 m) away.
• The Parking Support Brake determines
that a stronger-than-normal brake oper-
ation is necessary to avoid a collision.
●
Brake control
• Hybrid system output restriction control
is operating.
• The Parking Support Brake determines
that an immediate brake operation is
necessary to avoid a collision.
■
The Parking Support Brake function
(static objects) will stop operating when
The function will stop operating if any of the
following conditions are met:
●
Hybrid system output restriction control
• The Parking Support Brake is disabled.
• The system determines that the collision
has become avoidable with normal brake
operation.
• The static object is no longer approxi-
mately 6 to 13 ft. (2 to 4 m) away from the
vehicle or in the traveling direction of the
vehicle.
●
Brake control
• The Parking Support Brake is disabled.
• Approximately 2 seconds have elapsed
since the vehicle was stopped by brake
control.
• The brake pedal is depressed after the
vehicle is stopped by brake control.
• The static object is no longer approxi-
mately 6 to 13 ft. (2 to 4 m) away from the
vehicle or in the traveling direction of the
vehicle.
■
Detection range of the Parking Support
Brake function (static objects)
The detection range of the Parking Support
Brake function (static objects) differs from
the detection range of the intuitive parking
assist. (
P.226) Therefore, even if the
intuitive parking assist detects an object and
provides a warning, the Parking Support
Brake function (static objects) may not start
operating.
■
Situations in which the Parking Support
Brake function (static objects) may not
operate
When the shift lever is in N.
■
Situations in which the system may not
operate properly
■
Situations in which the system may
operate even if there is no possibility of a
collision
249
4-5. Using the driving support systems
4
Driving
*
: If equipped
This function will operate in situations such as the following if a vehicle is detected
in the traveling direction of the vehicle.
■
When reversing, a vehicle is approaching and the brake pedal is not
depressed, or is depressed late
■
The Parking Support Brake function
(rear-crossing vehicles) will operate
when
The function will operate when the PKSB
OFF indicator is not illuminated or flashing
(
P.73, 74) and all of the following condi-
tions are met:
●
Hybrid system output restriction control
• The Parking Support Brake is enabled.
• The vehicle speed is approximately 9
mph (15 km/h) or less.
• Vehicles are approaching from the right
or left at the rear of the vehicle at a travel-
ing speed of approximately 5 mph (8
Parking Support Brake function (rear-crossing vehicles)
*
If a rear radar sensor detects a vehicle approaching from the right or left at
the rear of the vehicle and the system determines that the possibility of a colli-
sion is high, this function will perform brake control to reduce the likelihood of
an impact with the approaching vehicle.
Examples of function operation
Types of sensors
WARNING
■
To ensure the system can operate
properly
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