Lexus NX (2022 year). Manual in english — page 25
■
Detection range
The detection area of the system differs from the detection area of the RCD function.
Therefore, even if the RCD function detects a pedestrian and provides an alert,
the PKSB (Parking Support Brake) may not start operating.
■
Situations in which the system may not operate properly
■
Situations in which the system may operate unexpectedly
When a vehicle is detected behind the vehicle
When a pedestrian is detected behind the vehicle while backing up, the brake
pedal is not depressed or is depressed late.
Pedestrians Rear of the Vehicle display
Displays a message to urge the driver to take evasive action when a pedestrian
is detected in the detection area behind the vehicle. (A message will also be
displayed on the center display.)
A
Pedestrian detection icon
B
Brake reminder
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Road Sign Assist
RSA (Road Sign Assist)
The RSA system detects specific road signs using the front camera and/or naviga-
tion system
(when speed limit information is available) and warns the driver via
displays and buzzers.
The RSA system detects specific road signs using the front camera and warns the
driver via displays and buzzers.
WARNING
■
For safe use
Do not rely solely upon the RSA. The RSA assists the driver by providing road sign
information, but it is not a replacement for the driver’s own vision and awareness. Driving
safely is solely the responsibility of the driver. Pay careful attention to the surrounding
conditions in order to ensure safe driving.
■
Situations in which the RSA should not be used
●
When it is necessary to disable the system:
■
Situations in which the system may not operate properly
●
Situations in which the sensors may not operate properly:
Displays on the display
When the front camera detects a sign or information of a sign is available from the
navigation system
, the sign will be displayed on the display.
When the front camera detects a sign, the sign will be displayed on the display.
●
Multiple signs can be displayed.
Depending on the specifications of the vehicle, the number of displayed signs may be
limited.
INFORMATION
■
Display function operating conditions
Signs will be displayed when the following conditions are met:
●
The system has detected a sign
In the following situations, a displayed sign may stop being displayed:
* :
If equipped
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When a new sign has not been detected for a certain distance
●
When the system determines that a sign is no longer valid
●
When the system determines that the road being driven on has changed, such as after
a left or right turn
■
Situations in which the display function may not operate properly
In the following situations, the RSA system may not operate properly and may not detect
signs or may display the incorrect sign. However, this does not indicate a malfunction.
●
When a sign is dirty, faded, tilted or bent
●
When the contrast of an electronic sign is low
●
When all or part of a sign is hidden by a tree, utility pole, etc.
●
When a sign is detected by the front camera for a short amount of time
●
When the driving state (turning, changing lanes, etc.) is judged incorrectly
●
When a sign is immediately after a freeway junction or in an adjacent lane just before
merging
●
When stickers are attached to the rear of a preceding vehicle
●
When a sign similar to a system compatible sign is detected as a system compatible
sign
●
When a speed limit sign for a frontage road is within detection range of the front
camera
●
When driving around a roundabout
●
When a sign intended for trucks, etc. is detected
●
When the vehicle is driven in a country with a different direction of traffic
●
When the navigation system map data is out of date
●
When the navigation system cannot be used
In this case, the speed limit signs displayed on the multi-information display and
navigation system display may differ.
■
Customize settings
The settings of the RSA system can be changed through customize settings.
Notification function
In the following situations, the RSA system will output a warning to notify the driver.
●
If the vehicle speed exceeds the speed warning threshold of the speed limit sign
displayed on the multi-information display, the sign display will be emphasized
and a buzzer will sound.
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●
When the RSA system detects a no-entry sign and determines that the vehicle
has entered the no-entry area based on the map information of the navigation
system, the no-entry sign displayed on the multi-information display will flash
and a buzzer will sound. (Vehicles with a navigation system)
Types of road signs supported
●
The following types of road signs can be displayed.
However, non-standard or recently introduced traffic signs may not be displayed.
▶
Speed limit road signs
Speed limit begins/Maximum speed zone begins
Speed limit ends/Maximum speed zone ends
(1)
is displayed when neither speed limit road signs nor speed limit related
information is available.
▶
Speed limit related information
Motorway
Motorway exit
Expressway
Expressway exit
Urban area beginning
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Urban area ending
Residential area beginning
Residential area ending
Residential area beginning
Residential area ending
(1)
Displayed when a sign is detected but speed limit information for the road is not
available from the navigation system.
(2)
is displayed when neither speed limit road signs nor speed limit related
information is available.
▶
No overtaking road signs
No overtaking begins
No overtaking ends
▶
Other road signs
No-entry
End of prohibition
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Stop
Warning
(1)
For vehicles with a navigation system
▶
Speed limit with supplemental mark
Wet
Rain
Ice
Supplemental mark exists
Exit ramp on right
Exit ramp on left
Time
(1)
Displayed simultaneously with a speed limit sign.
(2)
Content not recognized.
(3)
If the turn signal indicators are not operated when changing lanes, this mark will not
be displayed.
●
Depending on the specifications of the vehicle, signs may be displayed overlap-
ping.
Duplicate display example
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Changing RSA settings
The following settings of the RSA can be changed through customize settings.
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Dynamic radar cruise control
Dynamic radar cruise control
This dynamic radar cruise control uses radar to detect the presence of vehicles
ahead, determines the current vehicle-to-vehicle distance, and operates to main-
tain a suitable distance from the vehicle ahead. The desired vehicle-to-vehicle
distance can be set by operating the vehicle-to-vehicle distance switch.
Use the dynamic radar cruise control only on highways and expressways.
WARNING
■
For safe use
●
Driving safely is solely the responsibility of the driver. Do not overly rely on this system,
and pay careful attention to the surrounding conditions in order to ensure safe driving.
●
The dynamic radar cruise control provides driving assistance to reduce the driver’s
burden. However, there are limitations to the assistance provided.
Read the following items carefully. Do not overly rely on this system and always drive
carefully.
•
Conditions under which the system may not operate correctly:
●
Set the speed appropriately according to the speed limit, traffic flow, road conditions,
weather conditions, etc. The driver is responsible for confirming the set speed.
●
Even if the system is operating correctly, the condition of a preceding vehicle as
recognized by the driver and detected by the system may differ. Therefore, it is
necessary for the driver to pay attention, assess risks, and ensure safety. Over-reliance
on this system to drive the vehicle safely may lead to an accident resulting in death or
serious injury.
■
Precautions for the driving assist systems
Observe the following precautions, as there are limitations to the assistance provided by
the system. Over-reliance on this system may lead to an accident resulting in death or
serious injury.
●
Details of support provided for the driver’s vision
The dynamic radar cruise control is only intended to help the driver in determining
the distance between the driver’s own vehicle and a designated preceding vehicle. It is
not a system which allows for careless or inattentive driving, and is not a system which
assists in poor visibility conditions.
The driver must pay attention to their surroundings.
●
Details of support provided for the driver’s judgement
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WARNING
The dynamic radar cruise control determines whether the distance between the
driver’s own vehicle and a designated preceding vehicle is within a set range. It is not
capable of making any other type of judgement. Therefore, it is absolutely necessary
for the driver to remain vigilant and to determine whether or not there is a possibility of
danger.
●
Details of support provided for the driver’s operation
The dynamic radar cruise control does not include functions which will prevent or
avoid collisions with vehicles ahead of your vehicle. Therefore, if there is ever any
possibility of danger, the driver must take immediate and direct control of the vehicle
and act appropriately in order to ensure safety.
■
Situations in which the dynamic radar cruise control should not be used
Do not use the dynamic radar cruise control in the following situations. As the system will
not be able to provide appropriate control, using it may lead to an accident resulting in
death or serious injury.
●
When driving on a highway or expressway entrance or exit
●
When the approach warning sounds frequently
●
Situations in which the sensors may not operate properly:
●
Situations in which the lane may not be detected:
Basic functions
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A
Constant speed cruising:
When there are no vehicles ahead
The vehicle drives at the speed set by the driver.
If the set vehicle speed is exceeded while driving down a hill, the set vehicle speed
display will blink and a buzzer will sound.
B
Deceleration and follow-up cruising
When a preceding vehicle driving slower than the set vehicle speed is detected
When a vehicle is detected driving ahead of your vehicle, the vehicle automatically
decelerates and if a greater reduction in vehicle speed is necessary, the brakes are
applied (the stop lights will come on at this time). The vehicle is controlled to maintain
the vehicle-to-vehicle distance set by the driver, in accordance with changes in the
speed of the preceding vehicle. If vehicle deceleration is not sufficient and the vehicle
approaches the vehicle ahead, the approach warning will sound.
C
Acceleration
When there are no longer any preceding vehicles driving slower than the set vehicle
speed
The vehicle accelerates until the set vehicle speed is reached and then resumes
constant speed cruising.
D
Starting off:
Vehicles without a head-up display: If a preceding vehicle stops, the vehicle will also
stop (controlled stop). After the preceding vehicle starts off, pressing the [+RES] switch
or depressing the accelerator pedal will resume follow-up cruising (start off operation).
If a start off operation is not performed, the controlled stop will continue.
Vehicles with a head-up display: If a preceding vehicle stops, the vehicle will also stop
(controlled stop). After the preceding vehicle starts off, pressing the [ + ] switch or
depressing the accelerator pedal will resume follow-up cruising (start off operation). If
a start off operation is not performed, the controlled stop will continue.
INFORMATION
■
Operating conditions
●
The shift lever is in D.
The shift position is in D.
●
The desired set speed can be set when the vehicle speed is approximately 30 km/h
(20 mph) or more.
(If the vehicle speed is set while driving at below approximately 30 km/h [20 mph],
the set speed will be set to approximately 30 km/h [20 mph].)
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Accelerating after setting the vehicle speed
As with normal driving, acceleration can be performed by depressing the accelerator
pedal. After accelerating, the vehicle will return to the set vehicle speed. However, while
in vehicle-to-vehicle distance control mode, the vehicle speed may decrease to below
the set vehicle speed in order to maintain the distance from the preceding vehicle.
■
When the vehicle is stopped by system control during follow-up cruising
●
Vehicles without a head-up display: When the [+RES] switch is pressed while the
vehicle is stopped by system control, if the preceding vehicle starts off within approxi-
mately 3 seconds, follow-up cruising will resume.
Vehicles with a head-up display: When the [RES] switch is pressed while the vehicle
is stopped by system control, if the preceding vehicle starts off within approximately 3
seconds, follow-up cruising will resume.
●
If the preceding vehicle starts off within approximately 3 seconds of the vehicle being
stopped by system control, follow-up cruising will resume.
■
Automatic cancellation of vehicle-to-vehicle distance control mode
In the following situations, vehicle-to-vehicle distance control mode will be canceled
automatically:
●
When the brake control or output restriction control of a driving support system
operates (For example: Pre-Collision System, drive-start control)
●
When the parking brake has been operated
●
When the vehicle is stopped by system control on a steep incline
●
When any of the following are detected while the vehicle is stopped by system control:
•
The driver’s seat belt is unfastened
•
The driver’s door is opened
•
Approximately 3 minutes have elapsed since the vehicle was stopped
●
Situations in which some or all of the functions of the system cannot operate:
■
Dynamic radar cruise control system warning messages and buzzers
For safe use:
■
Preceding vehicles that the sensor may not detect correctly
In the following situations, depending on the conditions, if the system cannot provide suffi-
cient deceleration or acceleration is necessary, operate the brake pedal or accelerator
pedal.
As the sensor may not be able to correctly detect these types of vehicles, the approach
warning
may not operate.
●
When a vehicle cuts in front of your vehicle or changes lanes away from your vehicle
extremely slowly or quickly
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●
When changing lanes
●
When a preceding vehicle is driving at a low speed
●
When a vehicle is stopped in the same lane as the vehicle
●
When a motorcycle is traveling in the same lane as the vehicle
■
Conditions under which the system may not operate correctly
In the following situations, operate the brake pedal (or accelerator pedal, depending on
the situation) as necessary.
As the sensor may not be able to correctly detect a vehicle, the system may not operate
properly.
●
When a preceding vehicle brakes suddenly
●
When changing lanes at low speeds, such as in a traffic jam
System components
■
Meter display
A
Multi-information display
B
Set vehicle speed
C
Indicators
■
Switches
▶
Vehicles without a head-up display
A
Driving assist mode select switch
B
Driving assist switch
C
[+RES] switch
D
[ - ] switch
E
Cancel switch
F
Vehicle-to-vehicle distance switch
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▶
Vehicles with a head-up display
A
The function of each switch differs depend-
ing on the conditions and settings.
When a switch is touched, the function of each
switch is displayed on the head-up display. If
the head-up display is off, the functions will be
displayed on the multi-information display.
B
Driving assist mode select switch
C
Driving assist switch
D
[RES] switch
E
[ + ]switch
F
[ - ]switch
G
Vehicle-to-vehicle distance switch
H
Cancel switch
Using the dynamic radar cruise control
Setting the vehicle speed
1
Press the driving assist mode select switch to
select dynamic radar cruise control.
The dynamic radar cruise control indicator will il-
luminate.
▶
Vehicles without a head-up
display
▶
Vehicles with a head-up dis-
play
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2
Using the accelerator pedal, accelerate or
decelerate to the desired vehicle speed (ap-
proximately 30 km/h [20 mph] or more),
and press the driving assist switch to set the
set vehicle speed.
The set vehicle speed will be displayed on the
multi-information display.
The vehicle speed at the moment the switch is re-
leased will be the set vehicle speed.
Adjusting the set vehicle speed
■
Adjusting the set vehicle speed using the switches
●
Vehicles without a head-up display: To change the set vehicle speed, press the
[+RES]or [ - ] switch until the desired speed is displayed.Vehicles with a head-up
display: To change the set vehicle speed, press the[ + ] or [ - ] switch until the
desired speed is displayed.
▶
Vehicles without a head-up display:
▶
Vehicles without a head-up
display
▶
Vehicles with a head display
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▶
Vehicles with a head-up display:
1
Increase set vehicle speed
2
Decrease set vehicle speed
Short press adjustment (IN DISPUTE): Press the switch
Press and hold adjustment (IN DISPUTE): Press and hold the switch until the desired
set vehicle speed is reached.
The set vehicle speed will increase or decrease as follows:
Short press adjustment (IN DISPUTE): By 1 km/h (0.6 mph) or 1 mph (1.6
km/h) each time the switch is pressed
Press and hold adjustment (IN DISPUTE): Increases or decreases in 5 km/h
(3.1 mph) or 5 mph (8 km/h) increments continuously while the switch is
pressed and held
The set vehicle speed adjustment increment can be changed through a customize
setting.
■
Increasing the set vehicle speed using the accelerator pedal
1
Depress the accelerator pedal to accelerate the vehicle to the desired vehicle
speed.
2
Vehicles without a head-up display: Press the [+RES] switch.Vehicles with a
head-up display: Press the[ + ] switch.
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Canceling/resuming control
1
Press the cancel switch or driving assist
switch to cancel control.
Control will also be canceled if the brake pedal is
depressed.
(If the vehicle has been stopped by system con-
trol, depressing the brake pedal will not cancel
control.)
2
Vehicles without a head-up display: Press the [+RES] switch to resume con-
trol.Vehicles with a head-up display: Press the [RES] switch to resume control.
Changing the vehicle-to-vehicle distance
●
Each time the switch is pressed, the vehicle-to-
vehicle distance setting will change as follows:
If a preceding vehicle is detected, the preceding
vehicle mark will be displayed.
Illustra-
tion
Number
Vehicle-to-
vehicle dis-
tance
Approximate Distance
(Vehicle Speed: 100
km/h [60 mph])
1
Long
Approximately 60 m
(200 ft)
2
Medium
(Long)
Approximately 45 m
(145 ft)
3
Medium
(Short)
Approximately 30 m
(100 ft)
4
Short
Approximately 25 m (85
ft)
▶
Vehicles without a head-up
display
▶
Vehicles with a head-up dis-
play
▶
Vehicles without a head-up
display
▶
Vehicles with a head-up dis-
play
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