2017 MAZDA MODEL CX-3 radio

4–69
When Driving
i-ACTIVSENSE
Camera and Sensors
F o r w a r d s e n s i n g c a m e r a ( F S C )
The Forward Sensing Camera (FSC) determines the conditions ahead of the vehicle while
traveling at night and detects traf¿ c lanes. The following systems also use the Forward
Sensing Camera (FSC).
 


y High Beam Control system (HBC)



y Lane Departure Warning System (LDWS)



y Smart Brake Support (SBS)
The Forward Sensing Camera (FSC) is installed at the top of the windshield near the
rearview mirror.
Refer to Forward Sensing Camera (FSC) on page 4-111 .
Radar sensor (front)
The radar sensor (front) functions by detecting the radio waves reÀ ected off a vehicle ahead
sent from the radar sensor. The following systems also use the radar sensor (front).
 


y Mazda Radar Cruise Control (MRCC)



y Distance Recognition Support System (DRSS)



y Smart Brake Support (SBS)
The radar sensor (front) is mounted behind the radiator grille.
Refer to Radar Sensor (Front) on page 4-114 .
Laser sensor (front)
The laser sensor (front) emits a near-infrared laser beam and receives the beam reÀ ected
off the reÀ ective surface of a vehicle in front, and the detected beam is then used for
measurement. The following systems also use the laser sensor (front).
 


y Smart City Brake Support (SCBS)



y Smart Brake Support (SBS)
The laser sensor (front) is installed at the top of the windshield near the rearview mirror.
Refer to Laser Sensor (Front) on page 4-117 .
Radar sensors (rear)
The radar sensors (rear) function by detecting the radio waves reÀ ected off a vehicle
approaching from the rear or an obstruction sent from the radar sensors. The following
systems also use the radar sensors (rear).
 


y Blind Spot Monitoring (BSM) System



y Rear Cross Traf¿ c Alert (RCTA)
The radar sensors (rear) are installed inside the rear bumper, one each on the left and right
sides.
Refer to Radar Sensors (Rear) on page 4-120 .
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4–82
When Driving
i-ACTIVSENSE
 


y In the following cases, the activation of the Blind Spot Monitoring (BSM) warning lights
and the warning beep may not occur or they may be delayed.
 


y A vehicle makes a lane change from a driving lane two lanes over to an adjacent lane.



y Driving on steep slopes.



y Crossing the summit of a hill or mountain pass.



y The turning radius is small (making a sharp turn, turning at intersections).



y When there is a difference in the height between your driving lane and the adjacent lane.



y Directly after pressing the Blind Spot Monitoring (BSM) switch and the system
becomes operable.
 


y If the road width is extremely narrow, vehicles two lanes over may be detected.
The detection area of the radar sensors (rear) is set according to the road width of
expressways.
 


y The Blind Spot Monitoring (BSM) warning lights may turn on in reaction to stationary
objects on the road or the roadside such as guardrails, tunnels, sidewalls, and parked
vehicles.

Objects such as guardrails and concrete walls
running alongside the vehicle.Places where the width between guardrails or
walls on each side of the vehicle narrows.


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

y A Blind Spot Monitoring (BSM) warning light may À ash or the warning beep may be
activated several times when making a turn at a city intersection.
 


y Turn off the Blind Spot Monitoring (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.
 


y In the following cases, it may be dif¿ cult to view the illumination/À ashing of the Blind
Spot Monitoring (BSM) warning lights equipped on the door mirrors.
 


y Snow or ice is adhering to the door mirrors.



y The front door glass is fogged or covered in snow, frost or dirt. 



y The system switches to the Rear Cross Traf¿ c Alert function when the selector lever is
shifted to the reverse (R) position.
  Refer to Rear Cross Traf¿ c Alert (RCTA) on page 4-89 .
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4–91
When Driving
i-ACTIVSENSE
 


y Under the following conditions, the radar sensors (rear) cannot detect target objects or it
may be dif¿ cult to detect them.




y The vehicle speed when reversing is about 10 km/h (6.3 mph) or faster.



y The radar sensor (rear) 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.)

Your vehicle
 


y A vehicle is approaching directly from the rear of your vehicle.

Your vehicle
 


y The vehicle is parked on a slant.

Your vehicle
 


y Directly after pressing the Blind Spot Monitoring (BSM) switch and the system
becomes operable.
 


y In the following cases, it may be dif¿ cult to view the illumination/À ashing of the Blind
Spot Monitoring (BSM) warning lights equipped on the door mirrors.
 


y Snow or ice adheres to the door mirrors.



y The front door glass is fogged or covered in snow, frost or dirt. 



y Turn off the Rear Cross Traf¿ c Alert (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.

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4–114
When Driving
i-ACTIVSENSE
*Some models.
Radar Sensor (Front) *
Your vehicle is equipped with a radar sensor (front).
The following systems also use the radar sensor (front).
 


y Mazda Radar Cruise Control (MRCC)



y Distance Recognition Support System (DRSS)



y Smart Brake Support (SBS)
The radar sensor (front) functions by detecting the radio waves reÀ ected off a vehicle ahead
or an obstruction sent from the radar sensor.
The radar sensor (front) is mounted behind the front emblem.

Radar sensor (front)

If the Smart Brake Support/Smart City Brake Support (SBS/SCBS) Warning Light (amber)
is illuminated, the area around the radar sensor may be dirty. Refer to “Warning Guidance”
in the center display (Type B audio).
Refer to If a Warning Light Turns On or Flashes on page 7-27 .
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4–116
When Driving
i-ACTIVSENSE
N O T E
 


y Under the following conditions, the radar sensor (front) may not be able to detect
vehicles ahead or obstructions correctly and each system may not operate normally.
 


y The rear surface of a vehicle ahead does not reÀ ect radio waves effectively, such as
an unloaded trailer or an automobile with a loading platform covered by a soft top,
vehicles with a hard plastic tailgate, and round-shaped vehicles.
 


y Vehicles ahead with low vehicle height and thus less area for reÀ ecting radio waves.



y Visibility is reduced due to a vehicle ahead casting off water, snow, or sand from its
tires and onto your windshield.
 


y The luggage compartment is loaded with heavy objects or the rear passenger seats are
occupied.
 


y Ice, snow, or soiling is on the front surface of the front emblem.



y During inclement weather such as rain, snow, or sand storms.



y When driving near facilities or objects emitting strong radio waves. 



y Under the following conditions, the radar sensor (front) may not be able to detect
vehicles ahead or obstructions.
 


y The beginning and end of a curve.



y Roads with continuous curves.



y Narrow lane roads due to road construction or lane closures.



y The vehicle ahead enters the radar sensor's blind spot.



y The vehicle ahead is running abnormally due to accident or vehicle damage.



y Roads with repeated up and down slopes



y Driving on poor roads or unpaved roads.



y The distance between your vehicle and the vehicle ahead is extremely short.



y A vehicle suddenly comes close such as by cutting into the lane. 



y To prevent incorrect operation of the system, use tires of the same speci¿ ed size,
manufacturer, brand, and tread pattern on all four wheels. In addition, do not use tires
with signi¿ cantly different wear patterns or tire pressures on the same vehicle (Including
the temporary spare tire).
 


y If the battery power is weak, the system may not operate correctly.



y If the vehicle is driven on a road with little traf¿ c and few vehicles ahead or obstructions
for the radar sensor (front) to detect, the sensor detects that the radar sensor (front) is
dirty and the Smart Brake Support/Smart City Brake Support (SBS/SCBS) Warning Light
(amber) may be temporarily turned on. However, it does not indicate a malfunction.

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4–120
When Driving
i-ACTIVSENSE
*Some models.
Radar Sensors (Rear) *
Your vehicle is equipped with radar sensors (rear). The following systems also use the radar
sensors (rear).
 


y Blind Spot Monitoring system (BSM)



y Rear Cross Traf¿ c Alert (RCTA)
The radar sensors (rear) function by detecting the radio waves reÀ ected off a vehicle
approaching from the rear or an obstruction sent from the radar sensor.

Radar sensors (rear)

The radar sensors (rear) are installed inside the rear bumper, one each on the left and right
sides.
Always keep the surface of the rear bumper near the radar sensors (rear) clean so that the
radar sensors (rear) operate normally. Also, do not apply items such as stickers.
Refer to Exterior Care on page 6-59 .
CAUTION
If the rear bumper receives a severe impact, the system may no longer operate normally.
Stop the system immediately and have the vehicle inspected at an Authorized Mazda
Dealer.

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4–121
When Driving
i-ACTIVSENSE
N O T E
 


y The detection ability of the radar sensors (rear) has limitations. In the following cases,
the detection ability may lower and the system may not operate normally.
 


y The rear bumper near the radar sensors (rear) has become deformed.



y Snow, ice or mud adheres to the radar sensors (rear) on the rear bumper.



y Under bad weather conditions such as rain, snow and fog. 



y Under the following conditions, the radar sensors (rear) cannot detect target objects or it
may be dif¿ cult to detect them.




y Stationary objects on a road or a road side such as small, two-wheeled vehicles,
bicycles, pedestrians, animals, and shopping carts.
 


y Vehicle shapes which do not reÀ ect radar waves well such as empty trailers with a low
vehicle height and sports cars.
 


y Vehicles are shipped with the direction of the radar sensors (rear) adjusted for each
vehicle to a loaded vehicle condition so that the radar sensors (rear) detect approaching
vehicles correctly. If the direction of the radar sensors (rear) has deviated for some
reason, have the vehicle inspected at an Authorized Mazda Dealer.
 


y For repairs or replacement of the radar sensors (rear), or bumper repairs, paintwork,
and replacement near the radar sensors, consult an Authorized Mazda Dealer.
 


y Turn off the 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.
 


y The radar sensors are regulated by the relevant radio wave laws of the country in which
the vehicle is driven. If the vehicle is driven abroad, authorization from the country in
which the vehicle is driven may be required.

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5–14
Interior Features
Audio System
A n t e n n a

Antenna

Operating Tips for Audio
System
WARNING
Always adjust the audio while the
vehicle is stopped:
Do not adjust the audio control
switches while driving the vehicle.
Adjusting the audio while driving
the vehicle is dangerous as it could
distract your attention from the vehicle
operation which could lead to a
serious accident.
Even if the audio control switches are
equipped on the steering wheel, learn
to use the switches without looking
down at them so that you can keep
your maximum attention on the road
while driving the vehicle.

CAUTION
For the purposes of safe driving,
adjust the audio volume to a level that
allows you to hear sounds outside of
the vehicle including car horns and
particularly emergency vehicle sirens.

N O T E
 


y To prevent the battery from being
discharged, do not leave the audio
system on for a long period of time
when the engine is not running.
 


y If a cellular phone or CB radio is used
in or near the vehicle, it could cause
noise to occur from the audio system,
however, this does not indicate that the
system has been damaged.

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