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i-ACTIVSENSEí
i-ACTIVSENSE is a collective term covering a series of advanced safety and driver
support systems which make use of a Forward Sensing Camera (FSC) and radar sensors.
These systems are designed to assist the driver in safer driving by reducing the load on the
driver and helping to avert collisions or reduce their severity. However, because each
system has its limitations, always drive carefully and do not rely solely on the systems.
qActive Safety Technology
Active Safety Technology supports safer driving by helping the driver to recognize
potential hazards and avert accidents.
Driver awareness support systems
Nighttime visibility
Adaptive Front Lighting System (AFS) ................................................................. page 4-92
High Beam Control System (HBC) ........................................................................ page 4-93
Left/right side and rear side detection
Lane Departure Warning System (LDWS) ............................................................. page 4-96
Blind Spot Monitoring (BSM) System ................................................................. page 4-102
Inter-vehicle distance recognition
Distance Recognition Support System (DRSS) ................................................... page 4-108
Rear obstruction detection when leaving a parking space
Rear Cross Traffic Alert (RCTA) ......................................................................... page 4-111
Driver Support Systems
Inter-vehicle distance
Mazda Radar Cruise Control (MRCC) ................................................................. page 4-116
qPre-Crash Safety Technology
Pre-crash safety technology is designed to assist the driver in averting collisions or reduce
their severity in situations where they cannot be avoided.
Collision damage reduction in low vehicle speed range
Forward driving
Smart City Brake Support (SCBS) ....................................................................... page 4-126
Collision damage reduction in medium/high speed range
Smart Brake Support (SBS) ................................................................................. page 4-131
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íSome models.
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qCamera and Sensors
Forward Sensing Camera (FSC)
The Forward Sensing Camera (FSC) detects lane indications and recognizes headlights,
taillights and city lights during nighttime driving. The following systems also use the
Forward Sensing Camera (FSC).
lHigh Beam Control system (HBC)lLane Departure Warning System (LDWS)lSmart 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 4-134.
Radar sensor (front)
The radar sensor (front) functions by detecting the radio waves reflected off a vehicle
ahead sent from the radar sensor. The following systems also use the radar sensor (front).
lMazda Radar Cruise Control (MRCC)lDistance Recognition Support System (DRSS)lSmart Brake Support (SBS)
The radar sensor (front) is mounted behind the radiator grille.
Refer to Radar Sensor (Front) on page 4-137.
Laser sensor (front)
The laser sensor (front) emits a near-infrared laser beam and receives the beam reflected off
the reflective surface of a vehicle in front, and the detected beam is then used for
measurement. The following systems also use the laser sensor (front).
lSmart Brake Support (SBS)lSmart City Brake Support (SCBS)
The laser sensor (front) is installed at the top of the windshield near the rearview mirror.
Refer to Laser Sensor (Front) on page 4-140.
Radar sensors (rear)
The radar sensors (rear) function by detecting the radio waves reflected off a vehicle
approaching from the rear or an obstruction sent from the radar sensors. The following
systems also use the radar sensors (rear).
lBlind Spot Monitoring (BSM) SystemlRear Cross Traffic 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 4-142.
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NOTElIf your vehicle deviates from its traffic lane, the LDWS operates (warning sound and indicator
light). Steer the vehicle adequately to drive the vehicle to the center of the lane.
lWhen the turn signal lever is operated for a lane change, the LDWS warning is automatically
canceled. The LDWS warning becomes operable when the turn signal lever is returned and the
system detects the white or yellow lines.
lIf the steering wheel, accelerator pedal, or brake pedal is operated abruptly and the vehicle moves
close to a white or yellow line, the system determines that the driver is making a lane change and
the LDWS warning is automatically canceled.
lThe LDWS may not operate during the period immediately after the vehicle has deviated from its
lane and the LDWS has operated, or the vehicle deviates from its lane repeatedly within a short
period of time.
lThe LDWS does not operate if it does not detect the white or yellow lines of the traffic lane.lUnder the following conditions, the LDWS may not be able to detect white or yellow lines
correctly and the LDWS may not operate correctly.
lIf an object placed on the dashboard is reflected in the windshield and picked up by the
camera.
lHeavy luggage is loaded in the luggage compartment or on the rear seat and the vehicle is
inclined.
lThe tire pressures are not adjusted to the specified pressure.lWhen the vehicle is driven on the entry and exit to or from the rest area or tollgate of a
highway.
lThe white or yellow lines are less visible because of dirt or paint flaking.lThe vehicle ahead is running near a white or yellow line and the line is less visible.lA white or yellow line is less visible because of bad weather (rain, fog, or snow).lA misleading line is picked up on the road such as a temporary line for construction, or
because of shade, lingering snow, or grooves filled with water.
lThe surrounding brightness suddenly changes such as when entering or exiting a tunnel.lThe illumination of the headlights is weakened because of dirt or the optical axis is deviated.lThe windshield is dirty or foggy.lBack-light is reflecting from the road surface.lThe road surface is wet and shiny after rain, or there are puddles on the road.lThe shade of a guardrail parallel to a white or yellow line is on the road.lThe width of a lane is excessively narrow or wide.lThe road is excessively uneven.lThe vehicle is shaken after hitting a road bump.lThere are two or more adjacent white or yellow lines.lThere are various road markings or lane markings of various shapes near an intersection.
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NOTElThe LDWS does not operate until the
system detects a white or yellow line on
either the left or right.
lWhen the system detects a white or yellow
line on one side only, the system will
activate the warning only when the vehicle
deviates on the side where the white or
yellow line is being detected.
lThe distance and warning sensitivity
(likelihood of a warning) which the system
uses to determine the possibility of a lane
departure can be changed.
Refer to Personalization Features on page
9-10.
Auto cancel
In the following cases, the LDWS cancels
automatically.
lThe temperature inside the camera is
high or low.
lThe windshield around the camera is
foggy.
lThe windshield around the camera is
blocked by an obstruction, causing
poor forward visibility.
When the LDWS cancels automatically,
the instrument cluster displays as follows.
Vehicle with type A instrument cluster
The lane indication (border line) is
indicated in the display.
The LDWS is enabled automatically when
operation conditions are met, and the lane
indication is indicated in the display.
Vehicle with type B instrument cluster
The LDWS warning light in the
instrument cluster turns on.
The LDWS warning light turns off when
the LDWS is operable.
Auto cancel warning
When the following operations are
performed, the LDWS determines that the
driver intends to make a lane change and
the LDWS warning is canceled
automatically. The LDWS is enabled
automatically after the driver performs the
operation.
lThe steering wheel is operated
abruptly.
lThe brake pedal is depressed abruptly.lThe accelerator pedal is depressed
abruptly.
lThe turn signal lever is operated (after
the turn signal lever is returned, the
LDWS may not operate for about 3
seconds which is the period of time
required to make a lane correction).
NOTE
After about 60 seconds have elapsed with the
turn signal lever left operating, the LDWS
warning may operate if the vehicle is close to a
white or yellow line.
qCanceling the System
Press the LDWS switch to cancel the
LDWS. The LDWS OFF indication/
indicator light turns on.
The lane indication displayed in the type
A instrument cluster turns off.
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NOTElThe Mazda Radar Cruise Control (MRCC) system operates when all of the following conditions
are met.
lThe vehicle speed is about 30 km/h (19 mph) to 145 km/h (90 mph).lThe Mazda Radar Cruise Control (MRCC) system is turned on.lThe parking brake is not applied.lThe Smart Brake Support (SBS) is not malfunctioning.lThe Dynamic Stability Control (DSC) is operating normally.lThe selector lever is in the drive (D) position or manual (M) position (manual mode).lIn the following cases, the warnings may not activate even if your vehicle starts closing in on the
vehicle ahead.
lYou are driving at the same speed as the vehicle ahead.lDirectly after the Mazda Radar Cruise Control (MRCC) system has been set.lWhen the accelerator pedal is depressed or directly after the accelerator pedal is released.lAnother vehicle cuts into the driving lane.lThe following are not detected as physical objects.lVehicles approaching in the opposite directionlPedestrianslStationary objects (stopped vehicles, obstructions)lIf a vehicle ahead is traveling at an extremely low speed, the system may not detect it correctly.lDuring headway control travel, do not set the system on two-wheeled vehicles such as motorcycles
and bicycles.
lDo not use the Mazda Radar Cruise Control (MRCC) system under conditions in which the close
proximity warnings are frequently activated.
lDuring headway control travel, the system accelerates and decelerates your vehicle in
conjunction with the speed of the vehicle ahead. However, if it is necessary to accelerate for a lane
change or if 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.
lWhile the Mazda Radar Cruise Control (MRCC) system is in use, it does not cancel even if the
selector lever is operated and any intended engine braking will not occur. If deceleration is
required, lower the vehicle speed setting or depress the brake pedal.
lThe brake lights are illuminated while the Mazda Radar Cruise Control (MRCC) automatic
braking is operating.
lThe Mazda Radar Cruise Control (MRCC) warning light (amber) turns on when the system has a
malfunction.
Refer to Warning/Indicator Lights on page 4-20.
lThe headway control operation can be canceled and the system can be switched to only cruise
control.
Refer to Cruise Control Function on page 4-123.
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Changing the Set Vehicle Speed
Changing the set vehicle speed using
the SET switch
Press the SET
switch to accelerate.
Press the SET
switch to decelerate.
The set vehicle speed changes as follows
each time the SET switch is pressed.
Short press 1 km/h (1 mph)
Long press 10 km/h (5 mph)
NOTE
For example, the set vehicle speed is changed
by pressing the SET switch four times as
follows:
The vehicle speed accelerates or decelerates
by 4 km/h (4 mph).
To accelerate using the accelerator
pedal
Depress the accelerator pedal and press
and release the SET
or SETswitch at
the desired speed. If a switch cannot be
operated, the system returns to the set
speed when you release your foot from
the accelerator pedal.
CAUTION
The warnings and brake control do
not operate while the accelerator
pedal is depressed.NOTE
lWhen accelerating using the SETswitch
while in headway control, the set vehicle
speed can be adjusted but acceleration is
not possible. If there is no longer a vehicle
ahead, acceleration continues until
reaching the set vehicle speed. Check the
set vehicle speed by viewing the set vehicle
speed display in the display in the
instrument cluster.
lWhen depressing the accelerator pedal, the
inter-vehicle distance display in the display
in the instrument cluster changes to the
white-line display.
lThe minimum settable speed is 30 km/h (19
mph). If the set vehicle speed reaches 30
km/h (19 mph) using the switch operation,
constant speed travel is maintained at
about 30 km/h (19 mph) even if the SET
switch is pressed. The Mazda Radar Cruise
Control (MRCC) system is not canceled.
To Deactivate
The Mazda Radar Cruise Control
(MRCC) is canceled when the OFF
switch is pressed.
When the system is temporarily
canceled
In the following cases, the Mazda Radar
Cruise Control (MRCC) system is
temporarily canceled and the“MRCC
Cancelled”indication is displayed in the
display in the instrument cluster. The
Mazda Radar Cruise Control (MRCC)
indicator light (green) turns off
simultaneously.
lThe CANCEL switch is pressed.lThe brake pedal is depressed.lThe parking brake is applied.lThe selector lever is shifted to park (P),
neutral (N) or reverse (R).
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lIn the following cases, the“MRCC
Cancelled”indication is displayed and
the beep sounds one time.
lThe vehicle speed decreases to less
than 25 km (16 mph).
lThe DSC has operated.lThe TCS has operated for a certain
period of time.
lThe Smart City Brake Support
(SCBS) has operated.
lThe Smart Brake Support (SBS) has
operated.
lWhen traveling on a down slope for
a long period of time.
lThere is a problem with the system.
NOTE
lThe Mazda Radar Cruise Control (MRCC)
system may be canceled during rain, fog,
snow or other inclement weather
conditions, or the front surface of the
radiator grille is dirty.
lIf you have temporarily canceled the Mazda
Radar Cruise Control (MRCC), you can
return to your previously set speed by
pressing the RES switch and after all of the
operation conditions have been met.
lIf the OFF switch is pressed to cancel the
Mazda Radar Cruise Control (MRCC), the
system does not return to the previously set
speed even if the RES switch is pressed.
qCruise Control Function
While this function is operating, the
headway control operation is canceled and
only the cruise control function operates.
The vehicle speed can be set more than
about 25 km/h (16 mph).
Use the cruise control function on
expressways and other highways which
do not require a lot of repeated
acceleration and deceleration.
WARNING
Do not use the cruise control function
in the following locations:
Otherwise, it could lead to an
accident.
ØRoads with sharp curves and
where vehicle traffic is heavy and
there is insufficient space between
vehicles. (Driving under these
conditions using the cruise control
function is not possible)
ØSteep down slopes (Set speed may
be exceeded because sufficient
engine braking cannot be applied)
ØSlippery roads such as ice or
snow-bound roads (Tires could
spin causing you to lose vehicle
control)
Always drive carefully:
The warnings and brake control will
not operate after the headway
control function is canceled and the
system is switched to only the cruise
control function. Depress the brake
pedal to decelerate according to the
surrounding conditions while keeping
a safer distance from the vehicle
ahead and always driving carefully.
Switching to cruise control function
When the ON switch is pressed
continuously for about 2 seconds while
the Mazda Radar Cruise Control (MRCC)
system is turned on, the system is
switched to the cruise control function.
The Mazda Radar Cruise Control
(MRCC) indicator light (green) in the
instrument cluster turns off and a message
is displayed in the multi-information
display at the same time.
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qAutomatic Brake Operation Display
“Smart City Brake Support activated”is
displayed in the multi-information display
while the SCBS brakes or the brake assist
(SCBS brake assist) is operating.
NOTElThe collision warning beep sounds
intermittently while the SCBS brake or
brake assist (SCBS brake assist) is
operating.
lIf the vehicle is stopped by the SCBS
operation and the brake pedal is not
depressed, the warning beep sounds one
time after about 2 seconds and the SCBS
brake is automatically released.
qStopping the Smart City Brake
Support (SCBS) System Operation
The Smart City Brake Support (SCBS)
system can be temporarily deactivated.
Refer to Personalization Features on page
9-10.
When the Smart City Brake Support
(SCBS) system is turned off, the Smart
City Brake Support (SCBS) OFF indicator
light turns on.
When the engine is restarted, the system
becomes operational.
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