2022 TOYOTA BZ4X warning light

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5-4. Using the driving support systems
Driving
• When a detectable object is too close
to the vehicle • When there is insufficient space to perform evasive steering maneuvers
or an obstruction exists in the evasion direction• When there is an oncoming vehicle
 The pre-collision system can be
enabled/disabled through a cus-
tomize setting. ( P.568)
The system is enabled each time the
power switch is turned to ON.
 When the system is disabled, the
PCS warning light will illuminate
and a message will be displayed
on the multi-information display.
“Pre-Collision System OFF”
 The pre-collision setting can be
changed on the customize set-
tings. ( P.568)
 When the pre-collision warning
timing is changed, the emer-
gency steering assist (excluding
the active steering function) tim-
ing will also be changed. When
“Later” is selected, the emer-
gency steering assist (excluding
the active steering function) will
not operate in most cases.
 Vehicles with a driver monitor
camera: When the system deter-
mines that the driver is not facing
forward, the pre-collision warning
and emergency steering assist
will operate at the “Earlier” tim-
ing, regardless of the user set-
ting.
 When the dynamic radar cruise
control is operating, the pre-colli-
sion warning will operate at the
“Earlier” timing, regardless of the
user setting.
Changing the pre-collision
setting

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5-4. Using the driving support systems
Driving
The LDA system warns the driver if
the vehicle may deviate from the
current lane or course*, and also
can slightly operate the steering
wheel to help avoid deviation from
the lane or course*.
The front camera is used to detect
lane lines or a course*.
*: Boundary between the asphalt and
grass, soil, etc., or structures, such
as a curb, guardrail, etc.
■Lane departure alert function
When the system determines that
the vehicle might depart from its
lane or course*, a warning is dis-
played on a display, and either a
warning buzzer will sound or the
steering wheel will vibrate to alert
the driver.
Check the area around your vehicle
and carefully operate the steering
wheel to move the vehicle back to the
center of the lane or course*.
If the system determines that the vehi-
cle may collide with a vehicle in an
adjacent lane, the lane departure alert
will operate even if the turn signals are
operating.
*: Boundary between the asphalt and
grass, soil, etc., or structures, such
as a curb, guardrail, etc.
■Lane departure prevention
function
If the system determines that the
vehicle is likely to depart from its
lane or course*, it provides assis-
tance through steering wheel oper-
ations to help avoid deviation from
the lane or course.
If the system determines that the steer-
ing wheel has not been operated for a
certain amount of time or the steering
wheel is not being firmly gripped, a
warning message may be displayed
and a warning buzzer may sound to
alert the driver.
If the system determines that the vehi-
cle may collide with a vehicle in an
adjacent lane, the lane departure pre-
vention function will operate even if the
turn signals are operating.
*: Boundary between the asphalt and
grass, soil, etc., or structures, such
as a curb, guardrail, etc.
LDA (Lane Departure
Alert)
Basic functions

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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
Operation of this system is sepa-
rated 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 oper-
ate in control state “deceleration
stop phase” and “stop hold phase”
and decelerate and stop the vehi-
cle. It will then operate continuously
in “stop hold phase”.
■Operating conditions
This system operates when all of the fol- lowing conditions are met:
●When the LTA is on
●When the vehicle speed is approxi-
mately 50 km/h (30 mph) or more
■Operation cancelation conditions
In the following situations, system oper- ation will be canceled:
●When LTA control has been canceled
(the LTA switch has been pressed, etc.)
●When the dynamic radar cruise con-trol 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 sig- nal lever is operated)
●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
WARNING
●Although the emergency driving stop system is designed to deceler-
ate the vehicle within its lane to help avoid or help reduce the impact of a collision if the system
determines that it is difficult for the driver to continue driving, its effec-tiveness may change according to
various conditions. Therefore, it may not always be able to achieve the same level of performance.
Also, if the operating conditions are not met, this function will not oper-ate.
●After the emergency driving stop system operates, if driving
becomes possible again, immedi- ately begin driving again or, if nec-essary, park the vehicle on the
shoulder of the road and set a warning reflector and flare to warn other drivers of your stopped vehi-
cle.
●After this system operates, passen-
gers 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 shoul-der of the road or behind a guard-
rail.
●T h i s s y s t e m d e t e c t s t h e c o n d i t i o n o f
the driver through the operation of the steering wheel. This system may operate if the driver is aware
but intentionally and continuously does not operate 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.
●Vehicles with a driver monitor cam-era: Situations in which the driver
monitor may not operate properly:  P. 2 8 1
Summary of the system

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5-4. Using the driving support systems
Driving
functions of the system cannot oper-
ate: P. 2 8 1
■LTA control when operation is can- celed
When emergency driving stop system
operation is canceled, LTA control may also be canceled.
If driving operations are not
detected after the hands off steer-
ing wheel warning operates, a
buzzer will sound intermittently 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
performed within a certain amount
of time, the system will enter warn-
ing phase 2.
Vehicles with a driver monitor cam-
era: Depending on the type of
detection of the driver’s unrespon-
siveness, the system may skip
warning phase 1 and start the con-
trol of warning phase 2.
After entering warning phase 2, a
buzzer will sound in short intervals
and a message will be displayed to
warn the driver, and the vehicle will
slowly decelerate. If driving opera-
tions, such as holding the steering
wheel, are not performed within a
certain amount of time, the system
will determine that the driver is not
responsive and enter the decelera-
tion stop phase.
The audio system will be muted until
the driver becomes responsive.
When the vehicle is decelerating, the
brake lights may illuminate, depending
on the road conditions, etc.
After the vehicle has decelerated a cer-
tain amount, the emergency flashers
(hazard lights) will flash.
After the driver is judged as being
not responsive, a buzzer will sound
continuously and a message will be
displayed to warn the driver, and
the vehicle will slowly decelerate
and stop. While the vehicle is
decelerating, the emergency flash-
ers (hazard lights) will flash to warn
other drivers of the emergency.
After the vehicle is stopped, the
parking brake will be applied auto-
matically. After entering the stop
and hold phase, the buzzer will
continue sounding continuously, the
emergency flashers (hazard lights)
will flash to warn other drivers of
the emergency, and the doors will
unlock.
Warning phase 1
Warning phase 2
Deceleration stop phase
Stop hold phase

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5-4. Using the driving support systems
*: If equipped
Meter control switches
Turning the Blind Spot Monitor on/off.
Outside rear view mirror indica-
tors
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 flashes.
Driving assist information indica-
tor
Illuminates when the Blind Spot Monitor
is turned off. At this time, “Blind Spot
Monitor OFF” will be displayed on the
multi-information display.
■Outside rear view mirror indicator
visibility
In strong sunlight, the outside rear view mirror indicator may be difficult to see.
■Customization
Some functions can be customized. ( P.570)
■Certification
 P. 6 4 3
BSM (Blind Spot Moni-
tor)*
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 confirming
safety when changing lanes.
WARNING
■Cautions regarding the use of
the system
●The driver is solely responsible for safe driving. Always drive safely,
taking care to observe your sur- roundings.
●The Blind Spot Monitor is a supple-mentary function which alerts the driver that a vehicle is in a blind
spot of the outside rear view mirrors or is approaching rapidly from
behind into a blind spot. Do not overly rely on the Blind Spot Moni-tor. As the function cannot judge if it
is safe to change lanes, over reli- ance could lead to an accident resulting in death or serious injury.
As the system may not function cor- rectly under certain conditions, the
driver’s own visual confirmation of safety is necessary.
System components

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5-4. Using the driving support systems
Driving
The blind spot monitor can be
enabled/disabled on of the
multi-information display. ( P.176)
When the Blind Spot Monitor is off, the
driving assist information indicator
( P.169) will illuminate. At this time,
“Blind Spot Monitor OFF” will be dis-
played on the multi-information display.
Each time the power switch is turned to
ON, the Blind Spot Monitor is enabled.
WARNING
■To ensure the system can oper- ate properly
Blind Spot Monitor sensors are installed behind the left and right sides of the rear bumper respectively.
Observe the following to ensure the Blind Spot Monitor can operate cor-rectly.
●Keep the sensors and the sur-rounding areas on the rear bumper
clean at all times.
If a sensor or its surrounding area on
the rear bumper is dirty or covered
w i t h s n o w, t h e B l i n d S p o t M o n i t o r m a y
not operate and a warning message
( P.524) 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.327) satisfied for approximately
10 minutes. If the warning message
does not disappear, have the vehicle
inspected by any authorized Toyota
retailer or Toyota authorized repairer,
or any reliable repairer.
●Do not attach accessories, stickers
(including transparent stickers), alu- minum tape, etc., to a sensor or its surrounding area on the rear
bumper.
●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 mal-function and vehicles may not be
detected correctly. In the following situations, have your vehicle inspected by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer.
• 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.
●Do not modify the sensor or sur-rounding area on the rear bumper.
●If a sensor or the rear bumper needs to be removed/installed or replaced, contact any authorized
Toyota retailer or Toyota authorized repairer, or any reliable repairer.
●Do not paint the rear bumper any color other than an official Toyota color.
Turning the Blind Spot Moni-
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5-4. Using the driving support systems
Driving
Multi-information display
Turning the Safe Exit Assist on/off
When the system determines that the
possibility of a collision with a door is
high, the target door is displayed on the
multi-information display. Also, if the
door is opened when the outside rear
view mirror indicator is illuminated, a
buzzer will sound as a warning.
Outside rear view mirror indica-
tors
When a vehicle or bicycle which may
collide with a door (other than the back
door) when opened is detected, the
outside rear view mirror indicator on the
detected side will illuminate. If the door
on the detected side is open, the out-
side rear view mirror indicator will blink.
■Outside rear view mirror indicator
visibility
In strong sunlight, the outside rear view mirror indicator may be difficult to see.
■Buzzer
If the volume setting of the audio system is high or the surrounding area is loud, it may be difficult to hear the buzzer.
■Customization
Some functions can be customized. ( P.571)
System componentsWARNING
■To ensure the system can oper- ate properly
Safe Exit Assist sensors are installed behind the left and right sides of the rear bumper respectively. Observe
the following to ensure the Safe Exit Assist can operate correctly.
●Keep the sensors and the sur-rounding areas on the rear bumper clean at all times.
If a sensor or its surrounding area on the rear bumper is dirty or cov-ered with snow, the Safe Exit Assist
may not operate and a warning message will be displayed. In this situation, clear off the dirt or snow
and drive the vehicle with the oper- ation conditions of the SEA function satisfied for approximately 10 min-
utes. If the warning message does not disappear, have the vehicle inspected by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer.
●Do not attach accessories, stickers (including transparent stickers), alu-minum tape, etc., to a sensor or its
surrounding area on the rear bumper.