2019 MAZDA MODEL CX-30 radio

1. The walls at the entrance and
exits of tunnels, turnouts.

xA BSM warning indicator light may
flash or the warning beep may be
activated several times when making
a turn at a city intersection.
xTurn off the BSM while pulling a
trailer or while an accessory such as a
bicycle carrier is installed to the rear
of the vehicle. Otherwise, the radar’s
radio waves will be blocked causing
the system to not operate normally.
xIf a Mazda genuine trailer hitch is
used, the BSM is automatically
turned off.
xIn the following cases, it may be
difficult to view the illumination/
flashing of the BSM warning
indicator lights equipped on the
door mirrors.
xSnow or ice is adhering to the door
mirrors.
xThe front door glass is fogged or
covered in snow, frost or dirt.
xThe rear side radar sensor of the BSM
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 4-224.
xThe system switches to the Rear
Cross
Tra ffi c Alert (RCTA) function
when the shift lever (manual
transmission) or the selector lever
(automatic transmission) is shifted to
the reverse (R) position.
Refer to Rear Cross
Tra ffi c Alert
(RCTA) on page 4-126.
▼Blind Spot Monitoring (BSM)
Warning Indicator Lights/Display
Indicator/Blind Spot Monitoring
(BSM) Warning Beep
The BSM system notifies the driver of
the presence of vehicles in adjacent
lanes or at the rear of the vehicle using
the BSM warning indicator light, the
warning sound and the display
indicator while the systems are
operational.
BSM warning indicator lights
The BSM warning indicator lights are
equipped on the left and right door
mirrors. The warning indicator lights
turn on when a vehicle approaching
from the rear in an adjacent lane is
detected.
When the ignition is switched ON, the
warning indicator light turns on
momentarily and then turns off after a
few seconds.
Function for cancelling illumination
dimmer
If the BSM warning indicator lights turn
on when the position lights are turned
on, the brightness of the BSM warning
indicator lights is dimmed.
If the BSM warning indicator lights are
difficult to see due to glare from
surrounding brightness when travelling
on snow-covered roads or under foggy
conditions, press the dimmer
cancellation button to cancel the
dimmer and increase the brightness of
When Driving
i-ACTIVSENSE
4-109

xAn object that reflects the radio
waves of the radar such as a
parked vehicle, guardrail, or wall is
directly next to your vehicle.
xVehicles are stopped in the area
around your vehicle such as during
heavy traffic.
xA vehicle approaching from the
front or side of your vehicle slows
down.
xA vehicle approaching from the
front or left side of your vehicle
makes a right or left turn directly in
front of your vehicle.
xA vehicle or pedestrian moves in
the parking lot or on the sidewalk
in the area surrounding your
vehicle.
xAfter making a left or right turn, an
on-coming vehicle is present.
xWhen passing an on-coming
vehicle.
xA vehicle overtakes your vehicle
while it is stopped.
xYour vehicle is in an area where
strong radio waves or electrical
noise may occur such as near a
television tower or power plant.
xUnder the following conditions, the
front side radar sensor cannot detect
approaching vehicles or it might be
difficult to detect them, and the
system may not operate normally.
xThe front side radar sensor
detection area is obstructed by a
nearby wall or vehicle.
xDirectly after the system becomes
operable.
xRadio wave interference from a
radar sensor equipped on a nearby
vehicle.
xThe approaching vehicle has any of
the following shapes.
a) The size of the vehicle body is
extremely small.
b) The vehicle height is extremely
low or high.
c) A special type of vehicle with a
complex shape
xA vehicle suddenly enters the
detection area from the front or
side of your vehicle.
xA vehicle that has stopped
suddenly starts to move.
xMultiple objects move at the same
time.
xThe vehicle is driven in bad
weather conditions such as heavy
rain, fog , snow, or sand storms.
xThe vehicle is driven on a sharp
curve or on bumpy roads.
xAn object that reflects the radio
waves of the radar such as a
parked vehicle, guardrail, or wall is
directly next to your vehicle.
xA vehicle approaches while turning
(Such as roundabout)
xThe vehicle is driven at an
extremely slow speed.
xIn the following cases, the system
turns on the i-ACTIVSENSE warning
indication/warning light and
operation of the system is stopped. If
the i-ACTIVSENSE warning
indication/warning light remains on,
have the vehicle inspected by an
expert repairer (we recommend an
Authorised Mazda Repairer) as soon
as possible.
xSome problem with the system has
occurred.
xThe front side radar sensor
installation position is greatly
deviated.
xThere is a large accumulation of
snow or ice on the front bumper
near a front side radar sensor.
xThe temperature near the radar
sensors becomes extremely hot
due to driving for a long time on
slopes during the summer.
When Driving
i-ACTIVSENSE
4-125

xThe battery voltage has decreased.xThe front side radar sensor of the
FCTA 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 Front Side Radar Sensor
on page 4-222.
▼Cancelling Operation of Front
Cross Traffic Alert (FCTA)
The FCTA can be set to inoperable.
x(If only the FCTA is turned
off)
Refer to the Settings section in the
Mazda Connect Owner's Manual.
x(If the FCTA is turned off by
operating the i-ACTIVSENSE switch)
Refer to i-ACTIVSENSE Switch on
page 4-97.
NOTE
If the ignition is switched OFF while
you have cancelled the system using
the i-ACTIVSENSE switch, the system is
automatically enabled the next time
the ignition is switched ON. However,
if the system is cancelled using the
personalisation features, the system is
not automatically enabled.
Rear Cross Traffic Alert
(RCTA)
*
▼Rear Cross Traffic Alert (RCTA)
The RCTA system is designed to assist
the driver in checking the area to the
rear left and right sides of your vehicle
while your vehicle is reversing by
alerting the driver to the presence of
vehicles approaching the rear of your
vehicle.
The RCTA system detects vehicles
approaching from the rear left and
right sides of your vehicle and the rear
of your vehicle while your vehicle is
being reversed out of a parking space,
and notifies the driver of possible
danger using the Blind Spot Monitoring
(BSM) warning indicator lights and the
warning buzzer.
1. Your vehicle
2. Detection areas
When Driving
i-ACTIVSENSE
4-126*Some models.

WARNING
Always check the surrounding area
visually before actually putting the
vehicle in reverse:
The system is only designed to assist
you in checking for vehicles at the rear
when putting the vehicle in reverse.
Due to certain limitations with the
operation of this system, the Blind Spot
Monitoring (BSM) warning indicator
lights may not
flash or it might be
delayed even though a vehicle is
behind your vehicle. Always make it
your responsibility as a driver to check
the rear.
RCTA operation
1. The RCTA system operates when
the shift lever (manual
transmission) or the selector lever
(automatic transmission) is shifted
to the reverse (R) position.
2. If there is the possibility of a
collision with an approaching
vehicle, the Blind Spot Monitoring
(BSM) warning indicator lights
flashes and the warning beep is
activated simultaneously.
Rear view monitor (vehicles with
Rear view monitor)
The RCTA warning indication in the
rearview monitor also synchronizes
with the Blind Spot Monitoring
(BSM) warning indicator light on
the door mirrors.
360°view monitor (vehicles with
360°view monitor)
The RCTA warning indication in the
360°view monitor also
synchronizes with the Blind Spot
Monitoring (BSM) warning
indicator light on the door mirrors.
Function for cancelling illumination
dimmer
If the BSM warning indicator lights turn
on when the position lights are turned
on, the brightness of the BSM warning
indicator lights is dimmed.
If the BSM warning indicator lights are
difficult to see due to glare from
surrounding brightness when travelling
on snow-covered roads or under foggy
conditions, press the dimmer
cancellation button to cancel the
dimmer and increase the brightness of
BSM warning indicator lights when
they turn on.
Refer to Instrument Panel Illumination
on page 4-27.
NOTE
xThe system may operate under the
following conditions even if a vehicle
is not approaching.
xAn object that reflects the radio
waves of the radar such as a
parked vehicle, guardrail, or wall is
directly next to your vehicle.
xA vehicle approaching from the
rear left and right side of your
vehicle slows down.
xA vehicle approaching from the
rear left and right side of your
vehicle makes a right or left turn
directly in front of your vehicle.
When Driving
i-ACTIVSENSE
4-127

xA vehicle overtakes your vehicle
while it is stopped.
xYour vehicle is in an area where
strong radio waves or electrical
noise may occur such as near a
television tower or power plant.
xIn the following cases, the
i-ACTIVSENSE warning indication/
warning light turns on and operation
of the system is stopped. If the
i-ACTIVSENSE warning indication/
warning light remains illuminated,
have the vehicle inspected at an
expert repairer (we recommend an
Authorised Mazda Repairer) as soon
as possible.
xSome problem with the system
including the Blind Spot
Monitoring (BSM) warning
indicator lights has occurred.
xA large deviation in the installation
position of a rear side radar sensor
on the vehicle has occurred.
xThere is a large accumulation of
snow or ice on the rear bumper
near a rear side radar sensor.
xDriving on snow-covered roads for
long periods.
xThe temperature near the radar
sensors becomes extremely hot
due to driving for long periods on
slopes during the summer.
xThe battery voltage has decreased.xUnder the following conditions, the
rear side radar sensor cannot detect
approaching vehicles or it might be
difficult to detect them, and the
system may not operate normally.
xThe vehicle speed when reversing
is about 15 km/h (9 mph) or
faster.
xThe rear side radar sensor
detection area is obstructed by a
nearby wall or parked vehicle.
(Reverse the vehicle to a position
where the radar sensor detection
area is no longer obstructed.)
1. Your vehicle

xA vehicle is approaching directly
from the rear of your vehicle.
1. Your vehicle

xThe vehicle is parked at an angle.
1. Your vehicle

xDirectly after the RCTA system
becomes operable using the
personalisation feature.
xRadio wave interference from a
radar sensor equipped on a nearby
parked vehicle.
When Driving
i-ACTIVSENSE
4-128

xIn the following cases, it may be
difficult to view the illumination/
flashing of the Blind Spot Monitoring
(BSM) warning indicator lights
equipped on the door mirrors.
xSnow or ice adheres to the door
mirrors.
xThe front door glass is fogged or
covered in snow, frost or dirt.
xTurn 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.
xThe 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 4-224.
xIf a Mazda genuine trailer hitch is
used, the RCTA is automatically
turned off.
▼Cancelling Operation of Rear
Cross
Tra ffi c Alert (RCTA)
The RCTA can be set to inoperable.
x(If only the RCTA is turned off)
Refer to the Settings section in the
Mazda Connect Owner's Manual.
x(If the RCTA is turned off by
operating the i-ACTIVSENSE switch)
Refer to i-ACTIVSENSE Switch on
page 4-97.
NOTE
If the ignition is switched OFF while
you have cancelled the system using
the i-ACTIVSENSE switch, the system is
automatically enabled the next time
the ignition is switched ON. However,
if the system is cancelled using the
personalisation features, the system is
not automatically enabled.
When Driving
i-ACTIVSENSE
4-129

xThe rear side radar sensor
detection area is obstructed by a
nearby wall or parked vehicle.
(Reverse the vehicle to a position
where the radar sensor detection
area is no longer obstructed.)
1. Your vehicle

xA vehicle is approaching directly
from the rear of your vehicle.
1. Your vehicle

xThe vehicle is parked on a slant.
1. Your vehicle

xA vehicle is approaching from the
opposite direction on a steep
gradient.
1. Your vehicle

xDirectly after the SBS-RC system
becomes operable using the
personalisation feature.
xRadio wave interference from a
radar sensor equipped on a nearby
parked vehicle.
xTurn off the SBS-RC 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.
xIn the following cases, a rear radar
and rear camera may detect
something as a target obstruction
which could cause the SBS-RC
system to operate.
xHanging curtains, gate poles such
as at toll gates and railroad
crossing.
xWhen travelling near objects such
as foliage, barriers, vehicles, walls,
and fences along a road.
xWhen driving off-road in areas
where there is grass and forage.
xWhen passing through low gates,
narrow gates, car washing
machines, and tunnels.
xA trailer is connected.xA bright light source such as
sunlight hits the rear camera.
xThe surroundings are dark.
When Driving
i-ACTIVSENSE
4-183

xMultiple pedestrians are walking ,
or there are groups of people.
xA pedestrian is close to a separate
object.
xA pedestrian is crouching , lying , or
slouching.
xA pedestrian suddenly jumps into
the road right in front of the
vehicle.
xA pedestrian opens an umbrella, or
is carrying large baggage or
articles.
xA pedestrian is in a dark location
such as during the night, or blends
into the background by wearing
clothes matching the background
colour.
Front Radar Sensor*
▼Front Radar Sensor
Your vehicle is equipped with a front
radar sensor.
The following systems also use the
front radar sensor.
xDistance & Speed Alert (DSA)xMazda Radar Cruise Control
(MRCC)
xMazda Radar Cruise Control with
Stop & Go function (MRCC with
Stop & Go function)
xCruising & Traffic Support (CTS)xSmart Brake Support (SBS)
The front radar sensor functions by
detecting the radio waves reflected off
a vehicle ahead or an obstruction sent
from the radar sensor.
The front radar sensor is mounted
behind the front emblem.
1. Front radar sensor

If “Safety and Driver Support Systems
Temporarily Disabled. Front Radar
Obscured. Drive Safely” is displayed on
the multi-information display of the
instrument cluster, clean the area
around the front radar sensor.
CAUTION
Heed the following precautions to
assure correct operation of each
system.
When Driving
i-ACTIVSENSE
4-220*Some models.