display TOYOTA BZ4X 2023 Owners Manual

2855-4. Using the driving support systems
Owners Manual_USA_M42C01_en
5
Driving
The operating state of the lane departure alert function and st eering
assist operation of the lane departure prevention function are indi-
cated.
Displays and system operation
IndicatorLane dis- playSteering iconCondition
Not illumi- natedNot illumi- natedNot illumi-natedSystem disabled
WhiteGray
Not illumi-natedLane lines are not detected by the
system
WhiteWhite
Not illumi- natedLane lines are detec ted by the sys-
tem
Orange
FlashingOrange
Flashing
Not illumi-
natedLane departure alert function is
operating for the side which the lane
display is flashing
GreenGreenGreen
Lane departure prev ention function
is operating for th e side which the
lane display is illuminated
Orange
FlashingOrange
FlashingGreen
Lane departure alert function/lane
departure prevention function is
operating for the side which the lane
display is flashing

2865-4. Using the driving support systems
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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 dis-
played.
Depending on the specifications of
the vehicle, the number of dis-
played signs may be limited.
■Operating conditions of sign
display
Signs will be displayed when the fol-
lowing conditions are met:
●The system has detected a sign
In the following si tuations, a dis-
played sign may stop being dis-
played:
●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 prop-
erly
In the following situ ations, 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 d etected 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
RSA (Road Sign
Assist)
The RSA system detects
specific road signs using
the front camera and/or
navigation system (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
responsibility of the driver. Pay
careful attention to the sur-
rounding conditions in order to
ensure safe driving.
●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 atten-
tion to the surrounding condi-
tions 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 5 9
■Situations in which the sys-
tem may not operate properly
Situations in which the sensors
may not operate properly: P. 2 6 3
Display Function

2875-4. Using the driving support systems
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Driving
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 round-
about
●When a sign intended for trucks,
etc. is detected
●Vehicles with navigation system:
When the navigation system map
data is out of date
●Vehicles with navigation system:
When the navigation system can-
not be used
In this case, the speed limit signs
displayed on the multi-information
display and navigat ion system dis-
play may differ.
In the following situations, the
RSA system will output a warn-
ing to notify the driver.
 If the vehicle speed exceeds
the speed warning threshold
of the speed limit sign dis-
played on the display, the sign
display will be emphasized
and a buzzer will sound.
 When the RSA system
detects a do not enter sign
and determines that the vehi-
cle has entered a no-entry
area, the do not enter sign
displayed on the display will
flash and a buzzer will sound.
■Operating conditions of the
notification functions
●Excess speed notification function
This function will operate when the
following condition is met:
• A speed limit road sign is recog- nized 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
simultaneously.
• The vehicle is passing between no
entry road signs recognized by the
system.
 The following types of road
signs can be displayed.
However, non-standard or recently
introduced traffic signs may not be
displayed.
Notification function
Types of road signs sup-
ported
Speed limit
Do Not Enter
No U-turn
No Turn On Red

2885-4. Using the driving support systems
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Depending on the specifica-
tions of the vehicle, signs may
be displayed overlapping.
The following settings of the
RSA can be changed through
customize settings. ( P.573)
Stop
Yield
Warning
Duplicate display exam-
ple
Changing RSA settings
Dynamic radar cruise
control
This dynamic radar cruise
control detects the pres-
ence of vehicles ahead,
determines the current vehi-
cle-to-vehicle distance, and
operates to maintain a suit-
able distance from the vehi-
cle 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 high-
ways 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 con-
trol 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 sys-
tem may not opera te correctly:
 P. 2 9 4

2905-4. Using the driving support systems
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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 blin k and a buzzer will sound.
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 v ehicle auto-
matically decelerates and if a greater reduction in vehicle spe ed is neces-
sary, the brakes are applied (the stop lights will come on at t his time). The
vehicle is controlled to maintai n the vehicle-to-vehicle distance set by the
driver, in accordance with changes in the speed of the precedin g vehicle. If
vehicle deceleration is not sufficient and the vehicle approaches the vehicle
ahead, the approach wa rning will sound.
Acceleration
When there are no longer any preceding vehicles driving slower
than the set vehicle speed
The vehicle accelerates until th e set vehicle speed is reached and then
resumes constant speed cruising.
Starting off: If a preceding vehi cle stops, the vehicle will also stop
(controlled stop). After the preceding vehicle starts off, pressing
the “RES” switch or depressing the accelerator pedal will resum e
follow-up cruising (start off operation). If a start off operat ion is not
performed, the controlled stop will continue.
Basic functions

2915-4. Using the driving support systems
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Driving
■Meter display Multi-information display
Set vehicle speed
Indicators
■SwitchesDriving 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
indicator will illuminate.
2Using the accelerator pedal,
accelerate or decelerate to
the desired vehicle speed
(approximately 20 mph [30
km/h] or more), and press the
driving assist switch to set
the set vehicle speed.
The set vehicle speed will be dis-
played on the multi-information dis-
play.
The vehicle speed at the moment
the switch is released will be the set
vehicle speed.
System componentsSetting the vehicle speed

2935-4. Using the driving support systems
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5
Driving
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.
The actual vehicle-to-vehicle dis-
tance varies in accordance with the
vehicle speed. Also, when the vehi-
cle is stopped by system control, it
will be stopped at a certain distance
from the preceding vehicle,
depending on the situation, regard-
less of the setting.
■Operating conditions
●D shift position is selected.
●The desired set speed can be set
when the vehicle speed is approx-
imately 20 mph (30 km/h) or more.
(If the vehicle speed is set while
driving at below approximately 20
mph [30 km/h], th e set speed will
be set to approxi mately 20 mph
[30 km/h].)
■Accelerating after setting the
vehicle speed
As with normal driving, acceleration
can be performed by depressing the
accelerator pedal. After accelerat-
ing, 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 dis-
tance from the preceding vehicle.
■When the vehicle is stopped by
system control during follow-up
cruising
●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 cruis-
ing will resume.
●If the preceding vehicle starts off
within approximately 3 seconds of
the vehicle being stopped by sys-
tem control, follo w-up cruising will
resume.
■Automatic cancelation of vehi-
cle-to-vehicle d istance control
mode
In the following situ ations, vehicle-
to-vehicle distance control mode will
be canceled automatically:
●When the brake control or output
restriction control of a driving sup-
port system oper ates (For exam-
ple: Pre-Collision System, drive-
start control)
●When the parking brake has been
Changing the vehicle-to-
vehicle distance
Illustra-
tion
NumberVehicle- to-vehi-
cle dis- tanceApproximate
Distance (Vehi-
cle Speed: 60
mph [100 km/h])
1Extra longApproximately 200 ft. (60 m)
2LongApproximately 145 ft. (45 m)
3MediumApproximately 100 ft. (30 m)
4ShortApproximately 85 ft. (25 m)

2945-4. Using the driving support systems
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●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 unfas-
tened
• The driver’s door is opened
• Approximately 3 minutes have elapsed since the vehicle was
stopped
The parking brake may be actived
automatically.
The shift position may automatically
change to P. ( P.238)
●Situations in whic h some or all of
the functions of the system cannot
operate: P. 2 6 4
■Dynamic radar cruise control
system warning messages and
buzzers
For safe use: P.259
■Preceding vehicles that the sen-
sor may not detect correctly
In the following situations, depend-
ing on the conditions, if the system
cannot provide sufficient decelera-
tion or accelerati on is necessary,
operate the brake pedal or accelera-
tor pedal.
As the sensor may not be able to
correctly detect these types of vehi-
cles, the approach warning
(  P.294) may not operate.
●When a vehicle cuts in front of
your vehicle or changes lanes
away from your vehicle extremely
slowly or quickly
●When changing lanes
●When a preceding vehicle is driv-
ing at a low speed
●When a vehicle i s 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 cor-
rectly
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 sys-
tem may not operate properly.
●When a preceding vehicle brakes
suddenly
●When changing lanes at low
speeds, such as in a traffic jam
In situations where the vehicle
approaches a preceding vehicle
and the system cannot provide
sufficient deceleration, such as
if a vehicle cuts in front of the
vehicle, a warning display will
flash and a buzzer will sound to
alert the driver. Depress the
brake pedal to ensure appropri-
ate vehicle-to-vehicle distance.
■Warnings may not occur
when
In the following situations, the
warning may not operate even
though the vehicle-to-vehicle
distance is short.
 When the preceding vehicle is
traveling at the same speed
or faster than your vehicle
 When the preceding vehicle is
traveling at an extremely low
speed
 Immediately after the vehicle
speed has been set
Approach warning

2975-4. Using the driving support systems
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Driving
■Meter display Set vehicle speed
Cruise control indicator
■SwitchesDriving assist switch
Driving assist mode select
switch
Cancel switch “-” switch
“+” switch/“RES” switch
1 Press the driving assist mode
select switch to select cruise
control.
The cruise control indicator will illu-
minate.
2Using the accelerator pedal,
accelerate to the desired
vehicle speed (approxi-
mately 20 mph [30 km/h] or
more), and press the driving
assist switch to set the set
vehicle speed.
The vehicle speed at the moment
the switch is released will be the set
vehicle speed.
WARNING
●On steep downhills, or where
there are sudden changes
between sharp up and down
gradients Vehicle speed may
exceed the set speed when
driving down a steep hill.
●When it is necessary to disable
the system: P. 2 5 9
System components
Setting the vehicle speed

3005-4. Using the driving support systems
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Operation of this system is sep-
arated into 4 control states.
Through control state “warning
phase 1” and “warning phase 2”,
the system determines if the
driver is aware and responsive
while outputting a warning and
controlling the vehicle speed. If
the system determines the
driver is not responsive, it will
operate in control state “deceler-
ation stop phase” and “stop hold
phase” and decelerate and stop
the vehicle. It will then operate
continuously in “stop hold
phase”.
■Operating conditions
This system operates when all of
the following conditions are met:
●When the LTA is on
●When the vehicle speed is
approximately 30 mph (50 km/h)
or more
■Operation cancelation condi-
tions
In the following si tuations, system
operation will be canceled:
●When LTA control has been can-
celed (the LTA switch has been
pressed, etc.)
●When the dynamic radar cruise
control has been canceled
●When driver operations are
detected (the steering wheel is
held, the brake pedal, accelerator
pedal, parking brake, hazard light
switch, or turn signal lever is oper-
ated)
●When the driving assist switch is
pressed while in the stop and hold
phase
●When the power switch has been
turned from ON to OFF
●Situations in which some or all of
the functions of the system cannot
operate: P. 2 6 4
■LTA control when operation is
canceled
When emergency driving stop sys-
tem operation is canceled, LTA con-
trol may also be canceled.
If driving operations are not
detected after the hands off
steering wheel warning oper-
ates, a buzzer will sound inter-
mittently and a message will be
displayed to warn the driver, and
the system will judge if the driver
is responsive or not. If driving
operations, such as holding the
steering wheel, are not per-
WARNING
●After this system operates, pas-
sengers should attend to the
driver as necessary and take
appropriate hazard prevention
measures, such as moving to a
place where safety can be
ensured, such as the shoulder
of the road or b ehind a guard-
rail.
●This system detects the condi-
tion of the driver through the
operation of the steering wheel.
This system may operate if the
driver is aware but intentionally
and continuously does not oper-
ate the vehicle. Also, the system
may not operate if it cannot
determine that the driver is not
responsive, such as if they are
leaning on the steering wheel.
Summary of the system
Warning phase 1