2022 TOYOTA BZ4X Owners Manual (in English)

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5-4. Using the driving support systems
Driving
IndicatorLane displaySteering iconSituation
Orange Illumi- nated
Not illumi-
nated
Not illumi-
natedSystem disabled
Not illumi-
natedGray
Not illumi-
nated
Lane lines are not detected by the sys-
tem
Not illumi-
natedWhite
Not illumi-
natedLane lines are detected by the system
Orange Flash- ingOrange Flash-ing
Not illumi-
nated
Lane departure alert function is operat-
ing for the side which the lane display is
flashing
GreenOrangeGreen
Lane departure prevention function is
operating for the side which the lane dis-
play is illuminated
Orange Flash- ingOrange Flash-ingGreen
Lane departure alert function/lane
departure prevention function is operat-
ing for the side which the lane display is
flashing

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5-4. Using the driving support systems
When the front camera detects a
sign or information of a sign is
available from the navigation
system (if equipped), 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.
■Operating conditions of sign dis- play
Signs will be displayed when the follow-
ing conditions are met:
●The system has detected a sign
In the following situations, a displayed sign may stop being displayed:
●When a new sign has not been detected for a certain distance
●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 sys- tem 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 incor- rectly
●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 com-patible 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
RSA (Road Sign Assist)
The RSA system detects spe-
cific road signs using the front
camera and/or navigation sys-
tem (if equipped) (when speed
limit information is available)
and warns the driver via dis-
plays and buzzers.
WARNING
■For safe use
●Driving safely is solely the responsi- bility of the driver. Pay careful atten-tion to the surrounding conditions in
order to ensure safe driving.
●Do not rely solely upon the RSA.
The RSA assists the driver by pro- viding 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: P. 2 7 5
■Situations in which the system
may not operate properly
Situations in which the sensors may not operate properly: P. 2 7 9
Display Function

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5-4. Using the driving support systems
Driving
●When driving around a roundabout
●When a sign intended for trucks, etc. is detected
●When the vehicle is driven in a coun-try with a different direction of traffic
●Vehicles with navigation system: When the navigation system map data
is out of date
●Vehicles with navigation system:
When the navigation system cannot be used
In this case, the speed limit signs dis-
played on the multi-information display
and navigation system display may dif-
fer.
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
display, the sign display will be
emphasized and a buzzer will
sound.
 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 sys-
tem, the no-entry sign displayed
on the multi-information display
will flash and a buzzer will
sound. (Vehicles with a naviga-
tion system)
■Operating conditions of the notifi- cation functions
●Excess speed notification function
This function will operate when the fol-
lowing condition is met:
• A speed limit road sign is recognized
by the system.
●No entry notification function
This function will operate when all of the
following conditions are met:
• More than one no entry road signs are recognized by the system simultane-ously.
• The vehicle is passing between no entry road signs recognized by the system.
• The vehicle is equipped with an on- board navigation system.
 The following types of road signs
can be displayed.
However, non-standard or recently
introduced traffic signs may not be dis-
played.
 Speed limit road signs*
*: No speed limit information is dis-
played when neither speed limit road
sign nor speed limit related informa-
tion is available.
Notification function
Types of road signs sup-
ported
Speed limit begins/Maxi-
mum speed zone begins
Speed limit ends/Maximum
speed zone ends

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5-4. Using the driving support systems
Speed limit related information*1,
2
*1: Displayed when a sign is detected
but speed limit information for the
road is not available from the naviga-
tion system. (vehicles with naviga-
tion system)
*2: No speed limit information is dis-
played when neither speed limit road
sign nor speed limit related informa-
tion is available.
 No overtaking road signs
 Other road signs
*: For vehicles with navigation system
Speed limit with supplemental
mark*1
Motorway
Motorway exit
Expressway
Expressway exit
Urban area beginning
Urban area ending
Residential area beginning
Residential area ending
Residential area beginning
Residential area ending
No overtaking begins
No overtaking ends
No-entry*
End of prohibition
Stop
Warning
Wet
Rain

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5-4. Using the driving support systems
Driving
*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 dis-
played overlapping.
The following settings of the RSA
can be changed through customize
settings. ( P. 5 6 9 )
Ice
Supplemental mark
exists*2
Exit ramp on right*3
Exit ramp on left*3
Time
Duplicate display example
Changing RSA settings
Dynamic radar cruise
control
This dynamic radar cruise con-
trol detects the presence of
vehicles ahead, determines the
current vehicle-to -vehicle dis-
tance, and operates to main-
tain a suitable distance from
the vehicle ahead. The desired
vehicle-to-vehicle distance can
be set by operating the vehi-
cle-to-vehicle distance switch.
Use the dynamic radar cruise
control only on highways and
expressways.
WARNING
■For safe use
●Driving safely is solely the responsi- bility of the driver. Do not overly rely
on this system, and pay careful attention to the surrounding condi-tions in order to ensure safe driving.
●The dynamic radar cruise control provides driving assistance to
reduce the driver’s burden. How- ever, there are limitations to the assistance provided. Read the fol-
lowing items carefully. Do not overly rely on this system and always drive carefully.
Conditions under which the system may not operate correctly: P.313
●Set the speed appropriately accord- ing to the speed limit, traffic flow,
road conditions, weather condi- tions, etc. The driver is responsible for confirming the set speed.

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WARNING
●Even if the system is operating cor- rectly, 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-reli-ance on this system to drive the
vehicle safely may lead to an acci- dent 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 acci- dent 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, even when the vehicle stops.
●Details of support provided for the driver’s judgement The dynamic radar cruise control determines
whether the distance between the driver’s own vehicle and a desig-nated preceding vehicle is within a
set range. It is not capable of mak- ing any other type of judgement. Therefore, it is absolutely neces-
sary 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 dan- ger, 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.
●Roads where there are pedestrians, cyclists, etc.
●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: P.279
●Situations in which the lane may not be detected: P. 2 8 1

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5-4. Using the driving support systems
Driving
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.
Deceleration and follow-up cruising
When a preceding vehicle driving slower than the set vehicle sp eed is
detected
When a vehicle is detected driving ahead of your vehicle, the v ehicle automatically
decelerates and if a greater reduction in vehicle speed is nece ssary, the brakes are
applied (the stop lights will come on at this time). The vehicl e is controlled to main-
tain the vehicle-to-vehicle distance set by the driver, in acco rdance 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.
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.
Starting off: If a preceding vehicle stops, the vehicle will al so stop (con-
trolled stop). After the preceding vehicle starts off, pressing the “RES”
switch or depressing the accelerator pedal will resume follow-u p cruising
(start off operation). If a start off operation is not performe d, the con-
Basic functions

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5-4. Using the driving support systems
trolled stop will continue.
■Meter display
Multi-information display
Set vehicle speed
Indicators
■Switches
Driving assist switch
Driving assist mode select
switch
Cancel switch
Vehicle-to-vehicle distance
switch
“-” switch
“+” switch/“RES” switch
1 Press the driving assist mode
select switch to select dynamic
radar cruise control.
The dynamic radar cruise control indi- cator will illuminate.
2 Using the accelerator pedal,
accelerate or decelerate to the
desired vehicle speed (approxi-
mately 30 km/h [20 mph] or
more), and press the driving
assist switch to set the set vehi-
cle speed.
The set vehicle speed will be displayed on the multi-information display.
The vehicle speed at the moment the switch is released will be the set vehicle speed.
System components Setting the vehicle speed