TOYOTA BZ4X 2022 Owners Manual (in English)

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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

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5-4. Using the driving support systems
Driving
■Adjusting the set vehicle
speed using the switches
To change the set vehicle speed,
press the “+” or “-” switch until the
desired speed is displayed.
1 Increase set vehicle speed
2 Decrease set vehicle speed
Short press adjustment: Press the
switch
Long press adjustment: 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: By 1 km/h (0.6
mph) or 1 mph (1.6 km/h) each time the
switch is pressed
Long press adjustment: 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 Press the “+” switch.
1 Press the cancel switch or driv-
ing assist switch to cancel con-
trol.
Control will also be canceled if the brake pedal is depressed. (If the vehi-
cle has been stopped by system con- trol, depressing the brake pedal will not cancel control.)
2 Press the “RES” switch to
resume control.
Each time the switch is pressed,
the vehicle-to-vehicle distance set-
ting will change as follows:
If a preceding vehicle is detected, the
preceding vehicle mark will be dis-
played.
Adjusting the set vehicle
speed
Canceling/resuming control
Changing the vehicle-to-
vehicle distance

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5-4. Using the driving support systems
The actual vehicle-to-vehicle distance
varies in accordance with the vehicle
speed. Also, when the vehicle is
stopped by system control, it will be
stopped at a certain distance from the
preceding vehicle, depending on the
situation, regardless of the setting.
■Operating conditions
●D shift position is selected.
●The desired set speed can be set when the vehicle speed is approxi-
mately 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].)
■Accelerating after setting the vehi-cle speed
As with normal driving, acceleration can
be performed by depressing the acceler-
ator pedal. After accelerating, the vehi- cle will return to the set vehicle speed. However, while in vehicle-to-vehicle dis-
tance 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
●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 con- trol, follow-up cruising will resume.
■Automatic cancelation 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 sys-tem 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
The parking brake may be actived auto-
matically.
The shift position may automatically change to P. ( P.250)
●Situations in which some or all of the functions of the system cannot oper-
ate: P. 2 8 1
Illustra-
tion
Number
Ve hi cl e -
to-vehi-
cle dis-
tance
Approximate Dis-
tance (Vehicle
Speed: 100 km/h
[60mph])
1Extra
long
Approximately 60
m (200 ft.)
2LongApproximately 45
m (145 ft.)
3MediumApproximately 30
m (100 ft.)
4ShortApproximately 25
m (85 ft.)

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5-4. Using the driving support systems
Driving
■Dynamic radar cruise control sys-
tem warning messages and buzz- ers
For safe use: P. 2 7 5
■Preceding vehicles that the sensor
may not detect correctly
In the following situations, depending on the conditions, if the system cannot pro-
vide sufficient deceleration or accelera- tion is necessary, operate the brake pedal or accelerator pedal.
As the sensor may not be able to cor- rectly detect these types of vehicles, the approach warning ( P.313) 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 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 neces-
sary.
As the sensor may not be able to cor- rectly detect a vehicle, the system may
not operate properly.
●When a preceding vehicle brakes sud-
denly
●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 suf-
ficient 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
appropriate vehicle-to-vehicle dis-
tance.
■Warnings may not occur when
In the following situations, the
warning may not operate even
though the vehicle-to-vehicle dis-
tance 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
 When the accelerator pedal is
depressed
When a curve is detected, the vehi-
cle speed will begin being reduced.
When the curve ends, the vehicle
speed reduction will end.
Depending on the situation, the vehicle
speed will then return to the set vehicle
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 canceled.
Approach warning
Curve speed reduction func-
tion

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5-4. 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
If a detected vehicle in the passing
lane is traveling slower than your
vehicle, overtaking will be sup-
pressed.
The overtaking prevention function will
not operate if the passing lane is con-
gested or vehicles are traveling at low
speeds.
This function is not available for vehi-
cles without a DCM.
If your vehicle is being driven at
approximately 80 km/h (50 mph) or
more and a lane change to the
passing lane is performed, when
the turn signal lever is operated and
the lane is changed, the vehicle will
accelerate up to the set speed to
assist in overtaking.
For vehicles with a DCM: The system’s
recognition of which lane is the passing
lane is determined by location informa-
tion and the driving condition of sur-
rounding vehicles. The support for lane
change function and overtaking preven-
tion function may not operate if it is diffi-
cult to obtain location information or
there are few surrounding vehicles.
For vehicles without a DCM: The sys-
tem’s recognition of which lane is the
passing lane may be based solely on
the location of the steering wheel in the
vehicle (left-hand drive/right-hand
drive). If the vehicle is driven in a loca-
tion where the passing lane is on the
opposite side of that where the vehicle
was originally sold, the vehicle may
accelerate when the turn signal lever is
operated away from the passing lane.
(e.g. The vehicle was manufactured for
a right-hand traffic location, but is being
driven in a left-hand traffic location. The
vehicle may accelerate when the turn
signal lever is operated to the right.)
If your vehicle is being driven at approx-
imately 80 km/h (50 mph) or more and
the lane is changed to that with a vehi-
cle traveling slower than your vehicle,
when the turn signal lever is operated
the vehicle will gradually decelerate to
assist in changing lanes.
When RSA function is enabled and
the dynamic radar cruise control
Overtaking prevention func-
tion
Support for lane change
Dynamic Radar Cruise Con-
trol with Road Sign Assist

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5-4. Using the driving support systems
Driving
system is operating, if a speed limit
sign is detected, the detected
speed limit will be displayed with an
up/down arrow. The set speed can
be increased/reduced to the
detected speed limit by pressing
and holding the “+” switch or “-”
switch.
Press and hold the “+” switch.
Press and hold the “-” switch.
■The dynamic radar cruise control with road sign assist may not oper-
ate properly when
As the dynamic radar cruise control with road sign assist may not operate prop-
erly in situations where the RSA may not operate or cannot detect signs correctly ( P.304), when using this function,
make sure to confirm the actual speed limit.
In the following situations, the set speed
may not change to the detected speed limit by pressing and holding the “+” switch or “-” switch:
●When speed limit information is not available
●When the detected speed limit is the same as the set speed
●When the detected speed limit is out-side of the speed range which the
dynamic radar cruise control system can operate
The settings of Dynamic radar
cruise control can be changed
through customize settings.
( P.568)
When the set speed is lower
than the detected speed
limit
When the set speed is
higher than the detected
speed limit
Changing Dynamic radar
cruise control settings

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5-4. Using the driving support systems
■Meter display
Set vehicle speed
Cruise control indicator
■Switches
Driving 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.
Cruise control
The vehicle can be driven at a
set speed even if the accelera-
tor pedal is not depressed.
Use the cruise control only on
highways and expressways.
WARNING
■For safe use
●Driving safely is solely the responsi-
bility of the driver. Therefore, do not overly rely on this system. The driver is solely responsible for pay-
ing attention to the vehicle’s sur- roundings and driving safely.
●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.
■Situations in which cruise con-trol should not be used
Do not use the cruise control in the
following situations. As the system will not be able to provide appropriate control, using it may lead to an acci-
dent resulting in death or serious injury.
●On roads with sharp bends
●On winding roads
●On slippery roads, such as those covered with rain, ice or snow
●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.275
System components
Setting the vehicle speed

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5-4. Using the driving support systems
Driving
The cruise control indicator will illumi-
nate.
2 Using the accelerator pedal,
accelerate to the desired vehicle
speed (approximately 30 km/h
[20 mph] 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.
■Adjusting the set vehicle
speed using the switches
To change the set vehicle speed,
press the “+” or “-” switch until the
desired speed is displayed.
1 Increase set vehicle speed
2 Decrease set vehicle speed
The set vehicle speed will increase
or decrease as follows:
Short press adjustment: By 1 km/h (0.6
mph) or 1 mph (1.6 km/h) each time the
switch is pressed
Long press adjustment: Increases con-
tinuously while the switch is pressed
and held
■Increasing the set vehicle
speed using the accelerator
pedal
1 Depress the accelerator pedal
to accelerate the vehicle to the
desired vehicle speed.
2 Press the “+” switch.
Adjusting the set vehicle
speed
Canceling/resuming control

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5-4. Using the driving support systems
1Press the cancel switch or driv-
ing assist switch to cancel con-
trol.
Control will also be canceled if the brake pedal is depressed.
2 Press the “RES” switch to
resume control.
■Automatic cancelation of the cruise
control
In the following situations, the cruise control will be canceled automatically:
●When the vehicle speed drops approximately 16 km/h (10 mph) or
more below the set vehicle speed
●When the vehicle speed drops below
approximately 30 km/h (20 mph)
●When the brake control or output
restriction control of a driving support system operates (For example: PCS, drive-start control)
●When the parking brake has been operated
●Situations in which some or all of the functions of the system cannot oper-
ate: P. 2 8 1
*: If equipped
■Meter display
Set vehicle speed
Speed limiter indicator
Speed limiter*
A desired maximum speed can
be set using the speed limiter
switch. The speed limiter pre-
vents the vehicle speed from
exceeding the set speed.
WARNING
■Situations in which speed limiter should not be used
●Situations in which the sensors may
not operate properly: P.279
●When it is necessary to disable the
system: P.275
System Components