2021 MAZDA MODEL CX-30 Rear

In the following cases, it may bedifficult to view the illumination/
flashing of the Blind Spot Monitoring
(BSM) warning indicator lights
equipped on the door mirrors.
Snow or ice adheres to the door
mirrors.
The front door glass is fogged or
covered in snow, frost or dirt.
Turn off the RCTA system while
pulling a trailer or while an accessory
such as a bicycle carrier is installed to
the rear of the vehicle. Otherwise,
the radio waves emitted by the radar
will be blocked causing the system to
not operate normally.
The rear side radar sensor of the
RCTA may be regulated under the
radio wave related laws of the
country where the vehicle is driven. If
this system is used abroad, it may be
necessary to turn off the system.
Refer to Rear Side Radar Sensor on
page 4-205.
▼ Canceling Operation of Rear Cross
Tra ffi c
Alert (RCTA)
The RCTA can be set to inoperable.
(If only the RCTA is turned off)
Refer to the Settings section in the
Mazda Connect Owner's Manual.
(If the RCTA is turned off by
operating the i-ACTIVSENSE OFF
switch)
Refer to i-ACTIVSENSE OFF Switch
on page 4-89.
NOTE
If the ignition is switched OFF while
you have canceled the system using the
i-ACTIVSENSE OFF switch, the system
is automatically enabled the next time
the ignition is switched ON. However,
if the system is canceled using the
personalization features, the system is
not automatically enabled.
When Driving
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The vehicle is driven on roads with
lane lines other than white (yellow)
lines, such as an expressway.

Do not get out of the vehicle while
the stop hold control is operating.
(Automatic transmission vehicle)
Getting out of the vehicle while the
stop hold control is operating is
dangerous as the vehicle may move
unexpectedly and result in an accident.
Before getting out of the vehicle,
switch the TJA off, apply the parking
brake, and then shift the selector lever
to the P position.

CAUTION
Turn the system off when the vehicle is
running on a chassis roller.
Heed the following cautions so that
the TJA can operate normally.
 Turn the system off when the vehicle
is running on a chassis roller.
 Do not modify the vehicle's
suspensions.
 Always use wheels of the specified
size for the front and rear wheels.
Consult an Authorized Mazda Dealer
for tire replacement.

NOTE
The headway control does not detect
the following as physical objects.
Vehicles approaching in the
opposite direction
Pe d e s t r i a n sStationary objects (stopped
vehicles, obstructions)
If a vehicle ahead is traveling at an
extremely low speed, the system may
not detect it correctly.
If there is a structure on the road or
an object (such as a monorail) at a
low height off the ground in front of
the vehicle, the system may operate.
Therefore, do not use the TJA.
Do not use the TJA under conditions
in which close proximity warnings
are frequently activated.
If it is necessary to accelerate for a
lane change or the vehicle ahead
brakes suddenly causing you to close
in on the vehicle rapidly, accelerate
using the accelerator pedal or
decelerate using the brake pedal
depending on the conditions.
While the TJA is in use, any intended
engine braking does not occur even
if you shift the shift lever (manual
transmission) or the selector lever
(automatic transmission). If
deceleration is required, lower the
vehicle speed setting or depress the
brake pedal.
While braking by the TJA control is
operating , you might hear an
operation sound, however, this does
not indicate a problem.
The brake lights turn on while
braking by the TJA control is
operating , however, they may not
turn on while the vehicle is on a
down slope at the set vehicle speed
or traveling at a constant speed and
following a vehicle ahead.
Under the following conditions, the
TJA may not be able to detect white
(yellow) lines or vehicles ahead
correctly and the TJA may not
operate normally.
The forward sensing camera (FSC)
cannot recognize the area in front
of the vehicle due to soiling or fog.
When Driving
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The white (yellow) lane lines are
less visible because of dirt or paintflaking.
White (yellow) lane lines or
vehicles ahead are less visible
because of bad weather (rain, fog,
or snow).
The vehicle is driven on a
temporary lane or section with a
closed lane resulting from
construction where there might be
multiple white (yellow) lane lines,
or they are interrupted.
The camera picks up an obscure
line, such as a temporary line being
used for construction, or because
of shade, unmelted snow, or
grooves filled with water.
The road surface is wet and shiny
after rain, or there are puddles on
the road.
Heavy luggage is loaded in the
luggage compartment or on the
rear seat causing the vehicle to tilt.
A vehicle in front of your vehicle is
running near a white (yellow) lane
line making it less visible.
The windshield is dirty or foggy.The vehicle is driven through an
intersection, a junction, or a fork in
the road.
While white (yellow) lane lines
cannot be detected due to road or
weather conditions.
The surrounding brightness
suddenly changes such as when
entering or exiting a tunnel.
The illumination of the headlights
is weakened because of dirt or the
optical axis is deviated at night.
Back-light is reflected off the road
surface or the road surface is wet
and shiny after rain.
The shade of a guardrail parallel to
a white (yellow) lane line is cast on
the road.
The width of a lane is excessively
narrow or wide.
The road is excessively uneven.The vehicle is shaken after hitting a
road bump.
There are various road markings or
division lines (lane markings) of
various shapes near an
intersection.
The area in front of the camera is
soiled or an object that obstructs
the field of view is installed.
Exhaust gas from the vehicle in
front, sand, snow, and water vapor
rising from manholes and grating ,
and water splashed into the air.
The surroundings are dark such as
during the early evening or early
morning.
A vehicle ahead with a certain
taillight shape.
A vehicle ahead veers off course
from your vehicle's line of travel.
A vehicle ahead is driving
erratically.
The vehicle is driven on roads with
tight curves.

Headway control function
If a vehicle ahead is detected while
traveling at a constant speed, the
vehicle-ahead indication is displayed
and headway control is performed.

Steering assist function
When lane lines are detected, the
function assists the driver in keeping
the vehicle within the lane lines. If lane
lines are not detected, the function
provides the driver driving assistance in
keeping the vehicle along the motion
path with the vehicle ahead.
When Driving
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Lane-keep Assist System(LAS)
*
▼Lane-keep Assist System (LAS)
The LAS provides steering assistance to
help the driver stay within the vehicle
lane if the vehicle might be deviating.
The forward sensing camera (FSC)
detects the white lines (yellow lines) of
the vehicle lane in which the vehicle is
traveling and if the system determines
that the vehicle may deviate from its
lane, it operates the electric power
steering to assist the driver’s steering
operation. The system also alerts the
driver by displaying an alert on the
multi-information display and the
active driving display. Use the system
when you drive the vehicle on roads
with white (yellow) lines such as
expressways and highways.
1. Forward sensing camera (FSC)
WARNING
Do not rely completely on the LAS:

The LAS is not an automated driving
system. In addition, the system is not
designed to compensate for a
driver’s lack of caution, and
over-reliance on the system could
lead to an accident.
The functions of the LAS have
limitations. Always stay on course
using the steering wheel and drive
with care.
 Do not use the LAS under the
following circumstances, otherwise it
may result in an accident.
 The vehicle is driven on slippery
roads such as icy or snow-covered
roads, and unpaved roads.
 Tires of a
different
specified size
are used, such as a temporary
spare tire.
 Tires with
insufficient tread are
used.
 The tire pressures are not adjusted
to the
specified pressure.
 The vehicle is being used to tow a
camper or boat trailer.
 Tire chains are used.
 The vehicle is driven on roads with
lane lines other than white (yellow)
lines, such as an expressway.
CAUTION
Heed the following cautions so that
the LAS can operate normally.
Do not modify the vehicle's
suspensions.
 Always use tires of the specified type
and size for the front and rear
wheels. Consult an Authorized
Mazda Dealer for tire replacement.
When Driving
i-ACTIVSENSE
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NOTE
The system may not operate normally
under the following conditions.
The white (yellow) lane lines are less
visible because of dirt or paintflaking.
White (yellow) lane lines are less
visible because of bad weather (rain,
fog, or snow).
The vehicle is driven on a temporary
lane or section with a closed lane
resulting from construction where
there might be multiple white
(yellow) lane lines, or they are
interrupted.
The camera picks up an obscure line,
such as a temporary line being used
for construction, or because of
shade, unmelted snow, or groovesfilled with water.
The surrounding brightness suddenly
changes such as when entering or
exiting a tunnel.
Back-light is reflected off the road
surface.
The road surface is wet and shiny
after rain, or there are puddles on
the road.
The width of a lane is excessively
narrow.
The vehicle is driven on roads with
tight curves.
Heavy luggage is loaded in the
luggage compartment or on the rear
seat causing the vehicle to tilt.
The vehicle is driven through a fork in
the road or a junction.
The shade of a guardrail parallel to a
white (yellow) lane line is cast on the
road.
The illumination of the headlights is
weakened because of dirt or the
optical axis is deviated at night.
The road is excessively uneven.The vehicle is shaken after hitting a
road bump.
A vehicle in front of your vehicle is
running near a white (yellow) lane
line making it less visible.
The windshield is dirty or foggy.Strong light is directed from the front
of the vehicle (such as sunlight, or
headlights (high-beam) of
on-coming vehicles).
▼System Operation
When the ignition is switched ON, the
i-ACTIVSENSE status symbol (warning/
risk avoidance support system) (white)
turns on and the system goes on
standby.
NOTE
If the i-ACTIVSENSE status symbol
(warning/risk avoidance support
system) (white) does not turn on, the
system is canceled using the
i-ACTIVSENSE OFF switch or the
personalization feature.
Operation conditions
When all of the following conditions
are met, the i-ACTIVSENSE status
symbol (warning/risk avoidance
support system) on the
multi-information display changes
from white to green and the system
becomes operational.
The vehicle speed is about 64 km/h
(40 mph) or faster.
The system detects white (yellow)
lane lines.
When Driving
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Active driving display
1. “BRAKE!” message is displayed
NOTE
The collision warning sound is
activated intermittently while the SBS
brake or brake assist (SBS brake
assist) is operating.
The operation distance and volume
of the collision warning can be
changed.
Refer to the Settings section in the
Mazda Connect Owner's Manual.
▼Stopping the Smart Brake Support
(SBS) System Operation
The SBS can be changed to inoperable.
Refer to the Settings section in the
Mazda Connect Owner's Manual.
When the SBS is canceled, the SBS OFF
indicator light turns on.
NOTE
When the ignition is switched OFF
while the SBS is canceled, the SBS is
automatically enabled the next time
the ignition is switched ON.
Smart Brake Support
[Rear] (SBS-R)
*
▼Smart Brake Support [Rear]
(SBS-R)
The SBS-R is a system which is
designed to reduce damage in the
event of a collision by operating the
brake control (SBS brake) when the
system’s sensors detect an obstruction
at the rear of the vehicle while driving
at a speed of about 2 to 8 km/h (2 to
4 mph) and the system determines that
a collision is unavoidable.
WARNING
Do not rely completely on the SBS-R
system:

The
SBS-R system is only designed to
reduce damage in the event of a
collision. Over reliance on the system
leading to the accelerator pedal or
brake pedal being mistakenly
operated could result in an accident.
 To assure the correct operation of
the SBS-R, heed the following
cautions.
When Driving
i-ACTIVSENSE
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Do not apply a sticker to a rear
ultrasonic sensor and rear camera.
Otherwise, the rear ultrasonic
sensor and rear camera may not be
able to detect vehicles or
obstructions which could result in
an accident.
 Do not disassemble a rear
ultrasonic sensor and rear camera.
 If cracks or damage caused by
flying gravel or debris is visible
around a rear ultrasonic sensor and
rear camera, stop using the SBS-R
system immediately and have your
vehicle inspected by an Authorized
Mazda Dealer. If the vehicle
continues to be driven with cracks
or scratch marks left around an
ultrasonic sensor, the system may
operate unnecessarily and cause
an unexpected accident.
Refer to Stopping the Smart Brake
Support [Rear] (SBS-R) System
Operation on page 4-160.
 Consult an Authorized Mazda
Dealer for rear bumper removal.
Do not modify the suspension:
If the vehicle height or inclination is
changed, the SBS-R system may not
operate correctly because it cannot
detect obstructions correctly.
Do not apply a strong force to a rear
ultrasonic sensor and rear camera:
When washing the vehicle, do not
spray highly pressurized water against a
rear ultrasonic sensor and rear camera,
or rub it strongly. In addition, do not
hit the rear bumper forcefully when
loading and unloading cargo.
Otherwise, the sensors may not detect
obstructions correctly which could
cause the SBS-R system to not operate
normally, or it could operate
unnecessarily.CAUTION
 When driving
off-road in areas where
there is grass or foliage, it is
recommended that the SBS-R system
be turned off.
 Always use tires of the specified size
and the same manufacturer, brand,
and tread pattern on all 4 wheels. In
addition, do not use tires with
significantly
different wear patterns
on the same vehicle. Otherwise, the SBS-R system may not operate
normally.
 If ice or snow is stuck on the rear
ultrasonic sensor and rear camera
they may not be able to detect
obstructions correctly depending on
the conditions. In such cases, the
system may not be able to perform
controls correctly. Always drive
carefully and pay attention to the
rear of the vehicle.
NOTE
The vehicle posture changes
depending on the accelerator pedal,
brake pedal and steering wheel
operations, which could make it
difficult for the system to recognize
an obstruction, or it could facilitate
unnecessary detection. In such cases,
the SBS-R may or may not operate.
The SBS-R system will operate under
the following conditions.
The engine is running for 3 seconds
or more.
The shift lever (manual
transmission vehicle) or the
selector lever (automatic
transmission vehicle) is in the R
(reverse) position.
i-ACTIVSENSE warning indication/
warning light is not displayed in the
multi-information display.
When Driving
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The vehicle speed is between
about 2 to 8 km/h (2 to 4 mph).
The SBS-R is not turned off.The DSC is not malfunctioning.In the following cases, the rear
ultrasonic sensor and rear camera
cannot detect obstructions and the
SBS-R may not operate.
The height of the obstruction is
low such as low walls or trucks
with low loading platforms.
The height of the obstruction is
high such as trucks with high
loading platforms.
The obstruction is small.The obstruction is thin such as a
signpost.
The surface of the obstruction is
not pointed vertically relative to
the vehicle.
The obstruction is soft such as a
hanging curtain or snow stuck to a
vehicle.
The obstruction is shaped
irregularly.
The obstruction is extremely close.In the following cases, the rear
ultrasonic sensor and rear camera
cannot detect obstructions correctly
and the SBS-R may not operate.
Something is stuck on the bumper
near a rear ultrasonic sensor.
The brake or accelerator pedal is
operated.
There is another obstruction near
one obstruction.
During inclement weather such as
rain, fog and snow.
High or low humidity.High or low temperaturesStrong winds.The path of travel is not
flat.Heavy luggage is loaded in the
luggage compartment or on the
rear seat.
Objects such as a wireless antenna,
fog light, or illuminated license
plate is installed near a rear
ultrasonic sensor.
The orientation of a rear ultrasonic
sensor has deviated for reasons
such as a collision.
The vehicle is affected by other
sound waves such as the horn,
engine noise, ultrasonic sensor of
another vehicle.
In the following cases, a rear
ultrasonic sensor and rear camera
may detect something as a target
obstruction which could cause the
SBS-R system to operate.
There is a steep slope or bump.There are wheel blocks or a
curbstone.
There are hanging curtains, gate
poles such as at toll gates and
railroad crossing.
When traveling near objects such
as foliage, barriers, vehicles, walls,
and fences along a road.
When driving off-road in areas
where there is grass and forage.
When passing through low gates,
narrow gates, car washing
machines, and tunnels.
A trailer is connected.An exterior accessory such as a
bicycle carrier is installed around a
rear ultrasonic sensor.
(Manual transmission)
If the vehicle is stopped by the SBS-R
operation and the clutch pedal is not
depressed, the engine stops.
When the system operates, the user
is notified by the multi-information
display.
The collision warning beep sounds
intermittently while the SBS-R brake
is operating.
When Driving
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