Lexus ES350 (2023 year). Manual in english — page 12
201
4-5. Using the driving support systems
4
Driving
1
Pressing the cancel switch cancels
the speed control.
The speed control is also canceled when
the brake pedal is depressed.
(When the vehicle has been stopped by
system control, depressing the brake pedal
does not cancel the setting.)
2
Pressing the “+RES” switch
resumes the cruise control and
returns vehicle speed to the set
speed.
When your vehicle is too close to a
vehicle ahead, and sufficient automatic
deceleration via the cruise control is
not possible, the display will flash and
the buzzer will sound to alert the
driver. An example of this would be if
another driver cuts in front of you while
you are following a vehicle. Depress
the brake pedal to ensure an appropri-
ate vehicle-to-vehicle distance.
■
Warnings may not occur when
In the following instances, warnings
may not occur even when the vehicle-
to-vehicle distance is small.
When the speed of the preceding
vehicle matches or exceeds your
vehicle speed
When the preceding vehicle is trav-
eling at an extremely slow speed
Immediately after the cruise control
speed was set
When depressing the accelerator
pedal
While driving in vehicle-to-vehicle dis-
tance control mode, this function will
reduce the vehicle speed, if it is deter-
mined to be necessary.
■
Function operation
When the steering wheel begins to be
turned, the vehicle speed will begin
being reduced. When the steering
wheel is returned to the center posi-
tion, the vehicle speed reduction will
end.
Depending on the situation, the vehicle
speed will then return to the vehicle-to-
Canceling and resuming the
speed control
Approach warning (vehicle-to-
vehicle distance control mode)
Curve speed reduction function
202
4-5. Using the driving support systems
vehicle distance control mode set
speed.
In situations where vehicle-to-vehicle
distance control needs to operate,
such as when a preceding vehicle cuts
in front of your vehicle, the curve
speed reduction function will be can-
celed.
■
Operation display
Displayed when the vehicle speed is
being reduced.
When the vehicle speed reduction ends,
the display will disappear.
■
Changing the settings of the curve
speed reduction function
The curve speed reduction function
can be enabled/disabled and the vehi-
cle speed reduction strength can be
adjusted on
(
information display.
The setting will change each time the “OK”
meter control switch is pressed.
When constant speed control mode is
selected, your vehicle will maintain a
set speed without controlling the vehi-
cle-to-vehicle distance. Select this
mode only when vehicle-to-vehicle
distance control mode does not func-
tion correctly due to a dirty radar, etc.
1
With the cruise control off, press
and hold the cruise control main
switch for 1.5 seconds or more.
Immediately after the switch is pressed, the
dynamic radar cruise control indicator will
come on. Afterwards, it switches to the
cruise control indicator.
Switching to constant speed control mode
is only possible when operating the switch
with the cruise control off.
2
Accelerate or decelerate, with
accelerator pedal operation, to the
desired vehicle speed (at or above
approximately 20 mph [30 km/h])
and press the “-SET” switch to set
the speed.
Cruise control “SET” indicator will come
on.
The vehicle speed at the moment the
switch is released becomes the set speed.
Adjusting the speed setting:
Canceling and resuming the speed setting:
Selecting constant speed con-
trol mode
203
4-5. Using the driving support systems
4
Driving
■
Dynamic radar cruise control with full-
speed range can be set when
●
The shift lever is in D.
●
The desired set speed can be set when
the vehicle speed is approximately 20
mph (30 km/h) or more. (However,
when the vehicle speed is set while driv-
ing at below approximately 20 mph [30
km/h], the set speed will be set to
approximately 20 mph [30 km/h].)
■
Accelerating after setting the vehicle
speed
The vehicle can accelerate by operating the
accelerator pedal. After accelerating, the
set speed resumes. However, during vehi-
cle-to-vehicle distance control mode, the
vehicle speed may decrease below the set
speed in order to maintain the distance to
the preceding vehicle.
■
When the vehicle stops while follow-up
cruising
●
Pressing the “+RES” switch while the
vehicle ahead stops will resume follow-
up cruising if the vehicle ahead starts off
within approximately 3 seconds after the
switch is pressed.
●
If the vehicle ahead starts off within 3 sec-
onds after your vehicle stops, follow-up
cruising will be resumed.
■
Automatic cancelation of vehicle-to-
vehicle distance control mode
Vehicle-to-vehicle distance control mode is
automatically canceled in the following situ-
ations.
●
VSC is activated.
●
TRAC is activated for a period of time.
●
When the VSC or TRAC system is
turned off.
●
The sensor cannot detect correctly
because it is covered in some way.
●
When the brake control or output
restriction control of a driving support
system operates. (For example: Pre-Col-
lision System, Drive-Start Control)
●
The parking brake is operated.
●
The vehicle is stopped by system control
on a steep incline.
●
The following are detected when the
vehicle has been stopped by system con-
trol:
• The driver is not wearing a seat belt.
• The driver’s door is opened.
• The vehicle has been stopped for about 3
minutes
If vehicle-to-vehicle distance control mode
is automatically canceled for any reasons
other than the above, there may be a mal-
function in the system. Contact your Lexus
dealer.
■
Automatic cancelation of constant
speed control mode
Constant speed control mode is automati-
cally canceled in the following situations:
●
Actual vehicle speed is more than
approximately 10 mph (16 km/h) below
the set vehicle speed.
●
Actual vehicle speed falls below approxi-
mately 20 mph (30 km/h).
●
VSC is activated.
●
TRAC is activated for a period of time.
●
When the VSC or TRAC system is
turned off.
●
When the brake control or output
restriction control of a driving support
system operates. (For example: Pre-Col-
lision System, Drive-Start Control)
●
The parking brake is operated.
If constant speed control mode is automati-
cally canceled for any reasons other than
the above, there may be a malfunction in
the system. Contact your Lexus dealer.
204
4-5. Using the driving support systems
■
Situations in which the curve speed
reduction function may not operate
In situations such as the following, the curve
speed reduction function may not operate:
●
When the vehicle is being driven around
a gentle curve.
●
When the accelerator pedal is being
depressed.
●
When the vehicle is being driven around
an extremely short curve.
■
Brake operation
A brake operation sound may be heard and
the brake pedal response may change, but
these are not malfunctions.
■
Warning messages and buzzers for
dynamic radar cruise control with full-
speed range
Warning messages and buzzers are used to
indicate a system malfunction or to inform
the driver of the need for caution while driv-
ing. If a warning message is shown on the
multi-information display, read the message
and follow the instructions. (
■
When the sensor may not be correctly
detecting the vehicle ahead
In the case of the following and depending
on the conditions, operate the brake pedal
when deceleration of the system is insuffi-
cient or operate the accelerator pedal
when acceleration is required.
As the sensor may not be able to correctly
detect these types of vehicles, the approach
warning (
●
Vehicles that cut in suddenly
●
Vehicles traveling at low speeds
●
Vehicles that are not moving in the same
lane
●
Vehicles with small rear ends (trailers
with no load on board, etc.)
●
Motorcycles traveling in the same lane
●
When water or snow thrown up by the
surrounding vehicles hinders the detect-
ing of the sensor
●
When your vehicle is pointing upwards
(caused by a heavy load in the luggage
compartment, etc.)
●
Preceding vehicle has an extremely high
ground clearance
■
Conditions under which the vehicle-to-
vehicle distance control mode may not
function correctly
In the case of the following conditions,
operate the brake pedal (or accelerator
pedal, depending on the situation) as nec-
essary.
As the sensor may not be able to correctly
detect vehicles ahead, the system may not
operate properly.
●
When the road curves or when the lanes
are narrow
●
When steering wheel operation or your
position in the lane is unstable
205
4-5. Using the driving support systems
4
Driving
●
When the vehicle ahead of you deceler-
ates suddenly
●
When driving on a road surrounded by a
structure, such as in a tunnel or on a
bridge
●
While the vehicle speed is decreasing to
the set speed after the vehicle acceler-
ates by depressing the accelerator pedal
■
Situations in which the curve speed
reduction function may not operate
properly
In situations such as the following, the curve
speed reduction function may not operate
properly:
●
When the vehicle is being driven around
a curve on an incline/decline
●
When the course of the vehicle differs
from the shape of the curve
●
When the vehicle speed is excessively
high when entering a curve
●
When the steering wheel is suddenly
operated
Meter control switches
Turn the Blind Spot Monitor on/off.
BSM (Blind Spot Monitor)
The Blind Spot Monitor is a system
that uses rear side radar sensors
installed on the inner side of the
rear bumper on the left and right
side to assist the driver in confirm-
ing safety when changing lanes.
WARNING
■
Cautions regarding the use of the
function
The driver is solely responsible for safe
driving. Always drive safely, taking care
to observe your surroundings.
The Blind Spot Monitor is a supplemen-
tary function which alerts the driver that a
vehicle is in a blind spot of the outside
rear view mirrors or is approaching rap-
idly from behind into a blind spot. Do not
overly rely on the Blind Spot Monitor. As
the function cannot judge if it is safe to
change lanes, over reliance could lead to
an accident resulting in death or serious
injury.
As the system may not function correctly
under certain conditions, the driver’s
own visual confirmation of safety is nec-
essary.
System components
A
206
4-5. Using the driving support systems
Outside rear view mirror indicators
When a vehicle is detected in a blind spot
of the outside rear view mirrors or
approaching rapidly from behind into a
blind spot, the outside rear view mirror
indicator on the detected side will illumi-
nate. If the turn signal lever is operated
toward the detected side, the outside rear
view mirror indicator will flash.
BSM indicator
When the Blind Spot Monitor is turned on,
the indicator comes on.
1
Press
or
of the meter con-
trol switches, select
.
2
Press
or
of the meter con-
trol switches, select “BSM”, and
then press “OK”.
■
Outside rear view mirror indicator visi-
bility
In strong sunlight, the outside rear view mir-
ror indicator may be difficult to see.
■
When “Blind Spot Monitor Unavailable”
is shown on the multi-information dis-
play
Ice, snow, mud, etc., may be attached to the
rear bumper around the sensors.
(
P.206) Remove the ice, snow, mud, etc.,
attached to the rear bumper around the
sensors to return the function to normal.
Additionally, the sensors may not operate
normally when driving in extremely hot or
cold environments.
■
Customization
Some functions can be customized. (Cus-
tomizable features:
Turning the Blind Spot Monitor
on/off
B
C
WARNING
■
To ensure the system can operate
properly
Blind Spot Monitor sensors are installed
behind the left and right sides of the rear
bumper respectively. Observe the fol-
lowing to ensure the Blind Spot Monitor
can function correctly.
●
Keep the sensors and the surrounding
areas on the rear bumper clean at all
times.
If a sensor or its surrounding area on
the rear bumper is dirty or covered
with snow, the Blind Spot Monitor may
not operate and a warning message
(
P.206) will be displayed. In this sit-
uation, clear off the dirt or snow and
drive the vehicle with the operation
conditions of the BSM function
(
P.208) satisfied for approximately
10 minutes. If the warning message
does not disappear, have the vehicle
inspected by your Lexus dealer.
●
Do not subject a sensor or its sur-
rounding area on the rear bumper to a
strong impact.
If a sensor is moved even slightly off
position, the system may malfunction
and vehicles may not be detected cor-
rectly.
In the following situations, have your
vehicle inspected by your Lexus
dealer.
• A sensor or its surrounding area is
subject to a strong impact.
• If the surrounding area of a sensor is
scratched or dented, or part of them
has become disconnected.
●
Do not disassemble the sensor.
207
4-5. Using the driving support systems
4
Driving
■
Vehicles that can be detected by the Blind Spot Monitor
The Blind Spot Monitor uses rear side radar sensors to detect the following vehi-
cles traveling in adjacent lanes and advises the driver of the presence of such vehi-
cles via the indicators on the outside rear view mirrors.
Vehicles that are traveling in areas that are not visible using the outside rear
view mirrors (the blind spots)
Vehicles that are approaching rapidly from behind in areas that are not visible
using the outside rear view mirrors (the blind spots)
■
Blind Spot Monitor detection areas
The areas that vehicles can be detected in are outlined below.
WARNING
●
Do not attach accessories, stickers
(including transparent stickers), alumi-
num tape, etc. to a sensor or its sur-
rounding area on the rear bumper.
●
Do not modify the sensor or surround-
ing area on the rear bumper.
●
If a sensor or the rear bumper needs to
be removed/installed or replaced,
contact your Lexus dealer.
●
Do not paint the rear bumper any
color other than an official Lexus color.
Blind Spot Monitor operation
A
B
208
4-5. Using the driving support systems
The range of each detection area is:
Approximately 1.6 ft. (0.5 m) to 11.5 ft. (3.5 m) from either side of the vehicle
*1
Approximately 3.3 ft. (1 m) forward of the rear bumper
Approximately 9.8 ft. (3 m) from the rear bumper
Approximately 9.8 ft. (3 m) to 197 ft. (60 m) from the rear bumper
*2
*1
: The area between the side of the vehicle and 1.6 ft. (0.5 m) from the side of the vehicle
cannot be detected.
*2
: The greater the difference in speed between your vehicle and the detected vehicle is,
the farther away the vehicle will be detected, causing the outside rear view mirror indi-
cator to illuminate or flash.
■
The Blind Spot Monitor is operational
when
The Blind Spot Monitor is operational when
all of the following conditions are met:
●
The Blind Spot Monitor is on.
●
The shift lever is in a position other than R.
●
The vehicle speed is greater than
approximately 10 mph (16 km/h).
■
The Blind Spot Monitor will detect a
vehicle when
The Blind Spot Monitor will detect a vehicle
present in the detection area in the follow-
ing situations:
●
A vehicle in an adjacent lane overtakes
your vehicle.
●
You overtake a vehicle in adjacent lane
slowly.
●
Another vehicle enters the detection
area when it changes lanes.
■
Conditions under which the system will
not detect a vehicle
The Blind Spot Monitor is not designed to
detect the following types of vehicles
and/or objects:
●
Small motorcycles, bicycles, pedestrians,
etc.
*
●
Vehicles traveling in the opposite direc-
tion
●
Guardrails, walls, signs, parked vehicles
and similar stationary objects
*
●
Following vehicles that are in the same
lane
*
●
Vehicles traveling 2 lanes away from
your vehicle
*
●
Vehicles which are being overtaken rap-
idly by your vehicle.
*
*
: Depending on the conditions, detection
of a vehicle and/or object may occur.
A
B
C
D
209
4-5. Using the driving support systems
4
Driving
■
Conditions under which the system may
not function correctly
●
The Blind Spot Monitor may not detect
vehicles correctly in the following situa-
tions:
• 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
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 the distance between your vehicle
and a following vehicle is short
• When there is a significant difference in
speed between your vehicle and the
vehicle that enters the detection area
• When the difference in speed between
your vehicle and another vehicle is
changing
• When a vehicle enters a detection area
traveling at about the same speed as your
vehicle
• As your vehicle starts from a stop, a vehi-
cle remains in the detection area
• When driving up and down consecutive
steep inclines, such as hills, dips in the
road, etc.
• When driving on roads with sharp bends,
consecutive curves, or uneven surfaces
• When vehicle lanes are wide, or when
driving on the edge of a lane, and the
vehicle in an adjacent lane is far away
from your vehicle
• When an accessory (such as a bicycle
carrier) or towing eyelet is installed to the
rear of the vehicle
• When there is a significant difference in
height between your vehicle and the
vehicle that enters the detection area
• Immediately after the Blind Spot Monitor
is turned on
●
Instances of the Blind Spot Monitor
unnecessarily detecting a vehicle and/or
object may increase in the following situ-
ations:
• When the sensor is misaligned due to a
strong impact to the sensor or its sur-
rounding area
• When the distance between your vehicle
and a guardrail, wall, etc. that enters the
detection area is short
• When driving up and down consecutive
steep inclines, such as hills, dips in the
road, etc.
• When vehicle lanes are narrow, or when
driving on the edge of a lane, and a vehi-
cle traveling in a lane other than the adja-
cent lanes enters the detection area
• When driving on roads with sharp bends,
consecutive curves, or uneven surfaces
• When the tires are slipping or spinning
• When the distance between your vehicle
and a following vehicle is short
• When an accessory (such as a bicycle
carrier) or towing eyelet is installed to the
rear of the vehicle
210
4-5. Using the driving support systems
Vehicles without Adaptive Variable
Suspension system
Except F SPORT models
F SPORT models
1
Normal mode
Provides an optimal balance of fuel econ-
omy, quietness, and dynamic performance.
Suitable for city driving.
Press the switch to change to normal mode
when not in normal mode.
2
Eco drive mode
Helps the driver accelerate in an eco-
friendly manner and improve fuel economy
through moderate throttle characteristics
and by controlling the operation of the air
conditioning system (heating/cooling).
When not in Eco drive mode, if the Driving
Mode Select switch is turned toward you,
the Eco drive mode indicator comes on.
3
Sport mode
Controls the transmission and engine to
provide quick, powerful acceleration. This
mode is 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 away from
you, the Sport mode indicator comes on.
Vehicles with Adaptive Variable
Suspension system
1
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 mode indicator comes on.
Press the switch to change the driving
mode to normal mode when not in 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 power train,
Driving Mode Select switch
The driving modes can be selected
to suit driving condition.
Selecting the driving mode
A
B
211
4-5. Using the driving support systems
4
Driving
chassis and air conditioning system func-
tions set to your preferred settings.
Custom mode settings can only be
changed on the drive mode customization
display of the Center Display. (
2
Eco drive mode
Helps the driver accelerate in an eco-
friendly manner and improve fuel economy
through moderate throttle characteristics
and by controlling the operation of the air
conditioning system (heating/cooling).
When not in Eco drive mode, if the Driving
Mode Select switch is turned toward you,
the Eco drive mode indicator comes on.
3
Sport mode
• Sport S mode
Controls the transmission and engine to
provide quick, powerful acceleration. 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 away from
you, the Sport S mode indicator comes on.
• Sport S+ mode
Helps to ensure steering performance and
driving stability by simultaneously con-
trolling the steering and suspension in
addition to the transmission and engine.
Suitable for sportier driving.
When in Sport S mode, if the Driving
Mode Select switch is turned away from
you, the Sport S+ mode indicator comes
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.
To improve air conditioning performance,
perform the following operations:
●
Turn off eco air conditioning mode
(
●
Adjust the fan speed (
●
Turn off Eco drive mode (
■
Automatic deactivation of sport mode
and custom mode (if equipped)
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
When the driving mode is changed, the
selected driving mode will be temporarily
displayed on the Center Display. (Except
for Normal mode)
For Custom mode, select “Settings” on the
display to customize the driving mode.
■
Customization (vehicles with Adaptive
Variable Suspension system)
Settings (e.g. custom mode) can be
changed.
(Customizable features:
212
4-5. Using the driving support systems
*
: If equipped
■
Intuitive parking assist
Ultrasonic sensors are used to detect
static objects in the detection area
when driving at a low speed or backing
up. (
■
RCTA (Rear Cross Traffic Alert)
function
Rear side radar sensors are used to
detect approaching vehicles in the
detection areas behind the vehicle
when backing up. (
■
RCD (Rear Camera Detection)
function (if equipped)
A rear camera sensor is used to detect
pedestrians in the detection area
behind the vehicle when backing up.
(
■
Adjusting the buzzer volume
The buzzer volume can be adjusted on
the multi-information display. The vol-
ume of buzzers for the intuitive parking
assist, RCTA function and RCD func-
tion will be adjusted simultaneously.
Use the meter control switches to
change settings. (
1
Press
or
to select
.
2
Press
or
to select “PKSA”
and then press “OK”.
3
Press
or
to select
and
then press “OK”.
Each time the switch is pressed, the vol-
ume level will change between 1, 2, and 3.
■
Muting a buzzer temporarily
A mute button will be displayed on the
multi-information display or Center
Display (vehicles with 12.3-inch Cen-
ter Display and Lexus parking assist
monitor) when an object or pedestrian
is detected. To mute the buzzer, press
“OK” or
.
The buzzers for the intuitive parking
assist, RCTA function and RCD func-
tion will be muted simultaneously.
Mute will be automatically canceled in
the following situations:
When the shift position is changed.
When there is a malfunction in a
sensor or the system is temporarily
unavailable.
When the function is disabled while
it is operating.
PKSA (Parking Support
Alert)
*
The Parking Support Alert 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, such as
a wall, or pedestrian is high, a warn-
ing operates to urge the driver to
take evasive action.
PKSA (Parking Support Alert)
system
Setting the buzzer volume
213
4-5. Using the driving support systems
4
Driving
When the engine switch is turned
off.
*
: If equipped
■
Types of sensors
Front corner sensors
Front center sensors
Rear corner sensors
Rear center sensors
■
Display
When the sensors detect an object,
such as a wall, a graphic is shown on
the multi-information display, head-up
display (if equipped) and Center Dis-
play depending on the position and dis-
tance to the object.
Intuitive parking assist
*
The distance from your vehicle to
objects, such as a wall, when paral-
lel parking or maneuvering into a
garage is measured by the sensors
and communicated via the multi-
information display, head-up dis-
play (if equipped), Center Display
and a buzzer. Always check the sur-
rounding area when using this sys-
tem.
System components
A
B
C
D
214
4-5. Using the driving support systems
Multi-information display and head-
up display
Front corner sensor detection
Front center sensor detection
Rear corner sensor detection
Rear center sensor detection
Center Display
A graphic is shown when the Lexus park-
ing assist monitor (if equipped) is dis-
played.
A simplified image is displayed on the
Center Display when an object is detected.
• When the shift lever is in R
• When the shift lever is in N, S or D (vehi-
cle moving forward)
When an object is detected, a graphic will
be displayed on the panoramic view moni-
tor (if equipped).
Use the meter control switches to
enable/disable the intuitive parking
assist. (
1
Press
or
to select
.
2
Press
or
to select “PKSA”
and then press “OK”.
3
Press
or
to select
and
then press “OK”.
When the intuitive parking assist func-
tion is disabled, the intuitive parking
assist OFF indicator (
nates on the multi-information display.
To re-enable the system, select
on
the multi-information display, select
A
B
C
D
Turning intuitive parking assist
on/off
215
4-5. Using the driving support systems
4
Driving
and turn it on. If the system is dis-
abled, it will remain off even if the
engine switch is turned to IGNITION
ON mode after the engine switch has
been turned off.
■
The system can be operated when
●
The engine switch is in IGNITION ON
mode.
●
Intuitive parking assist function is on.
●
The vehicle speed is less than about 6
mph (10 km/h).
●
A shift lever is shifted to a position other
than P.
■
Setting the buzzer volume
The buzzer volume can be adjusted on the
multi-information display. (
■
If “Parking Assist Unavailable Clean
Parking Assist Sensor” is displayed on
the multi-information display
A sensor may be covered with ice, snow,
dirt, etc. Remove the ice, snow, dirt, etc.,
from the sensor to return the system to nor-
mal.
Also, due to ice forming on a sensor at low
temperatures, a warning message may be
displayed or the sensor may not be able to
detect an object. Once the ice melts, the
system will return to normal.
WARNING
■
Cautions regarding the use of the
system
There is a limit to the degree of recogni-
tion accuracy and control performance
that this system can provide, do not
overly rely on this system. The driver is
always responsible for paying attention
to the vehicle’s surroundings and driving
safely.
■
To ensure the system can operate
properly
Observe the following precautions.
Failing to do so may result in the vehicle
being unable to be driven safely and pos-
sibly cause an accident.
●
Do not damage the sensors, and
always keep them clean.
●
Do not attach a sticker or install an
electronic component, such as a back-
lit license plate (especially fluorescent
type), fog lights, fender pole or wire-
less antenna near a radar sensor.
●
Do not subject the surrounding area of
the sensor to a strong impact. If sub-
jected to an impact, have the vehicle
inspected by your Lexus dealer. If the
front or rear bumper needs to be
removed/installed or replaced, con-
tact your Lexus dealer.
●
Do not modify, disassemble or paint
the sensors.
●
Do not attach a license plate cover.
●
Keep your tires properly inflated.
■
When to disable the function
In the following situations, disable the
function as it may operate even though
there is no possibility of a collision.
●
Failing to observe the warnings above.
●
A non-genuine Lexus suspension
(lowered suspension, etc.) is installed.
■
Notes when washing the vehicle
Do not apply intensive bursts of water or
steam to the sensor area. Doing so may
result in the sensor malfunctioning.
●
When using a high pressure washer to
wash the vehicle, do not spray the sen-
sors directly, as doing so may cause a
sensor to malfunction.
●
When using steam to clean the vehi-
cle, do not direct steam too close to
the sensors as doing so may cause a
sensor to malfunction.
216
4-5. Using the driving support systems
■
If “Parking Assist Unavailable” is dis-
played on the multi-information display
●
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.
●
Initialization may not have been per-
formed after a battery terminal was dis-
connected and reconnected. Initialize the
system. (
If this message continues to be displayed
even after initialization, have the vehicle
inspected by your Lexus dealer.
■
If a battery terminal has been discon-
nected 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.
■
Sensor detection information
●
The sensor’s detection areas are limited
to the areas around the vehicle’s front
and rear bumpers.
●
The following situations may occur
during use.
• Depending on the shape of the object
and other factors, the detection distance
may shorten, or detection may be impos-
sible.
• There will be a short delay between
object detection and display. Even at low
speeds, there is a possibility that the
object will come within the sensor’s
detection areas before the display is
shown and the warning beep sounds.
• It might be difficult to hear the buzzer due
to the volume of the audio system or air
flow noise of the air conditioning system.
• It may be difficult to hear the buzzer if
buzzers for other systems are sounding.
■
Objects which the system may not prop-
erly detect
The shape of the object may prevent the
sensor from detecting it. Pay particular
attention to the following objects:
●
Wires, fences, ropes, etc.
●
Cotton, snow and other materials that
absorb sound waves
●
Sharply-angled objects
●
Low objects
●
Tall objects with upper sections project-
ing outwards in the direction of your vehi-
cle
People may not be detected if they are
wearing certain types of clothing.
■
Situations in which the system may not
operate properly
Certain vehicle conditions and the sur-
rounding environment may affect the ability
of a sensor to correctly detect objects. Par-
ticular instances where this may occur are
listed below.
●
There is dirt, snow or ice on a sensor.
(Cleaning the sensors will resolve this
problem.)
●
A sensor is frozen. (Thawing the area will
resolve this problem.)
In especially cold weather, if a sensor is
frozen the sensor display may be dis-
played abnormally, or objects, such as a
wall, may not be detected.
●
When a sensor or the area around a sen-
sor is extremely hot or cold.
●
On an extremely bumpy road, on an
incline, on gravel, or on grass.
●
When vehicle horns, vehicle detectors,
motorcycle engines, air brakes of large
vehicles, the clearance sonar of other
vehicles or other devices which produce
ultrasonic waves are near the vehicle.
●
A sensor is coated with a sheet of spray
or heavy rain.
●
If objects draw too close to the sensor.
●
When a pedestrian is wearing clothing
that does not reflect ultrasonic waves (ex.
skirts with gathers or frills).
●
When objects that are not perpendicular
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