i-ACTIVSENSE
Pre-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
Reverse driving
Collision damage reduction in medium/high speed range
Camera and Sensors
Forward Sensing Camera (FSC)
The Forward Sensing Camera (FSC) detects lane indications and recognises headlights, tail lights and city lights during nighttime driving. In addition, it also detects the vehicle ahead, pedestrians, or obstructions. The following systems also use the Forward Sensing Camera (FSC).
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High Beam Control System (HBC)
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Adaptive LED Headlights (ALH)
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Driver Attention Alert (DAA)
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Lane-keep Assist System (LAS) & Lane Departure Warning System (LDWS)
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Traffic Sign Recognition System (TSR)
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Advanced Smart City Brake Support (Advanced SCBS)
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Smart City Brake Support [Forward] (SCBS F)
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Smart Brake Support (SBS)
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Mazda Radar Cruise Control with Stop & Go function (MRCC with Stop & Go function)
The Forward Sensing Camera (FSC) is installed at the top of the windscreen near the rearview mirror.
Refer to Forward Sensing Camera (FSC) (Search).
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).
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Mazda Radar Cruise Control with Stop & Go function (MRCC with Stop & Go function)
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Mazda Radar Cruise Control (MRCC)
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Distance Recognition Support System (DRSS)
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Smart Brake Support (SBS)
The radar sensor (front) is mounted behind the radiator grille.
Refer to Radar Sensor (Front) (Search).
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).
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Blind Spot Monitoring (BSM)
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Rear 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) (Search).
Ultrasonic sensors (rear)
The ultrasonic sensors (rear) function by detecting the ultrasonic waves reflected off obstructions at the rear sent from the ultrasonic sensors. The following systems also use the ultrasonic sensors (rear).
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Smart City Brake Support [Reverse] (SCBS R)
The ultrasonic sensors (rear) are mounted in the rear bumper.
Refer to Ultrasonic Sensors (Rear) (Search).
Adaptive Front Lighting System (AFS) (Some Models)
The adaptive front lighting system (AFS) automatically adjusts the headlight beams to the left or right in conjunction with the operation of the steering wheel after the headlights have been turned on.
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Headlights do not blind drivers approaching in the opposite direction no matter what side of the road you must drive your vehicle (left-hand or right-hand traffic). Therefore, it is not necessary to adjust the optical axis of the headlights when switching temporarily to driving on the opposite side of the road (left-hand or right-hand traffic).
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The Adaptive Front Lighting System (AFS) function can be switched to operable/inoperable using the personalisation function.
Refer to Personalisation Features (Search).
High Beam Control System (HBC) (Some Models)
The HBC determines the conditions in front of the vehicle using the Forward Sensing Camera (FSC) while driving in darkness to automatically switch the headlights between high and low beams.
Refer to Warning/Indicator Lights (Search).
While driving the vehicle at a speed of about 30 km/h (19 mph) or more, the headlights are switched to high beams when there are no vehicles ahead or approaching in the opposite direction.
The system switches the headlights to low beams when one of the following occurs:
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The system detects a vehicle or the headlights/lights of a vehicle approaching in the opposite direction.
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The vehicle is driven on roads lined with streetlamps or on roads in well-lit cities and towns.
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The vehicle is driven at less than about 20 km/h (12 mph).

The warning light turns on when the system has a malfunction.
Refer to Warning Indication/Warning Lights (Search).
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Do not adjust the vehicle height, modify the headlight units, or remove the camera, otherwise the system will not operate normally.
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Do not rely excessively on the HBC and drive the vehicle while paying sufficient attention to safety. Switch the headlights between the high beams and low beams manually if necessary.
The timing in which the system switches the headlights changes under the following conditions. If the system does not switch the headlights appropriately, manually switch between high and low beams according to the visibility as well as road and traffic conditions.
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When there are sources of light in the area such as street lamps, illuminated signboards, and traffic signals.
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When there are reflective objects in the surrounding area such as reflective plates and signs.
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When visibility is reduced under rain, snow and foggy conditions.
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When driving on roads with sharp turn or hilly terrain.
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When the headlights/rear lamps of vehicles in front of you or in the opposite lane are dim or not illuminated.
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When there is insufficient darkness such as at dawn or dusk.
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When the luggage compartment is loaded with heavy objects or the rear passenger seats are occupied.
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When visibility is reduced due to a vehicle in front of you spraying water from its tyres onto your windscreen.
To Operate the System
The system switches the headlights to the high beams after the ignition is switched ON and the headlight switch is in the position. The ALH indicator light (green) in the instrument cluster turns on simultaneously.

The ALH determine that it is nighttime based on the brightness of the surrounding area.
The system cancels operation when the headlight switch is turned to a position other than , the headlights are manually switched to low beams, or the high beams are flashed on and off.
The system can be changed so that the ALH do not operate.
Refer to Personalisation Features (Search).
Blind Spot Monitoring (BSM) (Some Models)
The BSM is designed to assist the driver in checking the area to the rear of the vehicle on both sides during lane changes by notifying the driver of the presence of vehicles approaching from the rear in an adjacent lane.
The BSM detects vehicles approaching from the rear while travelling in the forward direction at a speed of 30 km/h (19 mph) or faster and notifies the driver by turning on the BSM warning indicator light and displaying the vehicle detection screen (vehicles with multi-information display and active driving display).
If the direction indicator lever is operated to signal a turn in the direction in which the BSM warning indicator light is illuminated while the approaching vehicle is detected, the BSM notifies the driver of possible danger by turning on the BSM warning indicator light, and by activating the warning sound and the warning screen indicator display (vehicles with multi-information display and active driving display).
The detection area on this system covers the driving lanes on both sides of the vehicle and from the rear part of the front doors to about 50 m (164 ft) behind the vehicle.

Always check the surrounding area visually before making an actual lane change:
The system is only designed to assist you in checking for vehicles at your rear when making a lane change. Due to certain limitations with the operation of this system, the BSM warning indicator light, the warning sound and the warning screen indicator display may not activate or they might be delayed even though a vehicle is in an adjacent driving lane. Always make it your responsibility as a driver to check the rear.
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The BSM will operate when all of the following conditions are met:
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The ignition is switched ON.
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The BSM OFF indicator light in the instrument cluster is turned off.
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The vehicle speed is about 30 km/h (19 mph) or faster.
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The BSM will not operate under the following circumstances.
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The vehicle speed falls below about 25 km/h (15 mph) even though the BSM OFF switch indicator light is turned off.
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The shift lever (manual transaxle)/selector lever (automatic transaxle) is shifted to reverse (R) and the vehicle is reversing.
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The turning radius is small (making a sharp turn, turning at intersections).
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In the following cases, the BSM OFF indicator light turns on and operation of the system is stopped. If the BSM OFF indicator light remains illuminated, have the vehicle inspected at an Authorised Mazda Repairer as soon as possible.
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Some problem with the system including the BSM warning indicator lights is detected.
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A large deviation in the installation position of a radar sensor (rear) on the vehicle has occurred.
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There is a large accumulation of snow or ice on the rear bumper near a radar sensor (rear). Remove any snow, ice or mud on the rear bumper.
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Driving on snow-covered roads for long periods.
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The temperature near the radar sensors (rear) becomes extremely hot due to driving for long periods on slopes during the summer.
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The battery voltage has decreased.
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Under the following conditions, the radar sensors (rear) cannot detect target objects or it may be difficult to detect them.
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A vehicle is in the detection area at the rear in an adjacent driving lane but it does not approach. The BSM determines the condition based on radar detection data.
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A vehicle is travelling alongside your vehicle at nearly the same speed for an extended period of time.
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Vehicles approaching in the opposite direction.
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A vehicle in an adjacent driving lane is attempting to pass your vehicle.
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A vehicle is in an adjacent lane on a road with extremely wide driving lanes. The detection area of the radar sensors (rear) is set at the road width of expressways.
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In the following case, the flashing of the BSM warning indicator light, and the activation of the warning sound and the warning screen indicator display may not occur or they may be delayed.
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A vehicle makes a lane change from a driving lane two lanes over to an adjacent lane.
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Driving on steep slopes.
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Crossing the summit of a hill or mountain pass.
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When there is a difference in the height between your driving lane and the adjacent lane.
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Directly after the BSM system becomes operable by changing the setting.
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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.
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The BSM warning indicator light may turn on and the vehicle detection screen may be displayed in the display in reaction to stationary objects (guardrails, tunnels, sidewalls, and parked vehicles) on the road or the roadside.
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A BSM warning indicator light may flash or the warning beep and the warning screen indicator display may be activated several times when making a turn at a city intersection.
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Turn 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.
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In the following cases, it may be difficult to view the illumination/flashing of the BSM warning indicator lights equipped on the door mirrors.
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Snow or ice is adhering to the door mirrors.
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The front door glass is fogged or covered in snow, frost or dirt.
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The system switches to the Rear Cross Traffic Alert function when the shift lever (manual transaxle) or the selector lever (automatic transaxle) is shifted to the reverse (R) position.
Refer to Rear Cross Traffic Alert (RCTA) (Search).
Blind Spot Monitoring (BSM) Warning Indicator Lights/Blind Spot Monitoring (BSM) Warning Beep
The BSM or Rear Cross Traffic Alert (RCTA) 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 (vehicles with multi-information display and active driving display) (BSM) 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.
Forward driving (BSM operation)
The BSM detects vehicles approaching from the rear and turns on the BSM warning indicator lights equipped on the door mirrors according to the conditions. Additionally, while a BSM warning indicator light is illuminated, if the direction indicator lever is operated to signal a turn in the direction in which the BSM warning indicator light is illuminated, the BSM warning indicator light flashes.
Reverse driving (Rear Cross Traffic Alert (RCTA) system operation)
The Rear Cross Traffic Alert (RCTA) system detects vehicles approaching from the left and right of your vehicle and flashes the BSM warning indicator lights.
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 (Search).
Display indicator (Vehicles with multi-information display and active driving display)
The detected approaching vehicle and warning are displayed in the multi-information display and active driving display when the vehicle is moving forward (BSM operational).

The detected direction is displayed with a detection indicator (white) when an approaching vehicle is detected. In addition, if the direction indicator lever is operated to signal a lane change while the vehicle is detected, the display changes the colour (amber) of the warning indicator.
BSM warning beep
The BSM warning beep is activated simultaneously with the flashing of a BSM warning indicator light.
Driver Attention Alert (DAA) (Some Models)
The DAA is a system which detects driver fatigue and decreased attentiveness, and encourages the driver to take a rest.
When the vehicle is driven inside traffic lane lines at about 65 to 140 km/h (41 to 86 mph), the DAA estimates the amount of accumulated fatigue and decreased attentiveness of the driver based on the information from the Forward Sensing Camera (FSC) and other vehicle information, and encourages the driver to take a rest using an indication on the multi-information display and a warning sound.
Use the DAA on expressways or highways.
Refer to Forward Sensing Camera (FSC) (Search).

Do not rely completely on DAA and always drive carefully:
The DAA detects driver fatigue and decreased attentiveness and encourages the driver to take a rest, however, it is not designed to prevent the vehicle from straying. If you rely too much on the DAA it could lead to an accident. Drive carefully and operate the steering wheel appropriately.
In addition, the system may not be able to detect driver fatigue and decreased attentiveness correctly depending on the traffic and driving conditions. The driver must take sufficient rest in consideration of safer driving.
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The DAA operates when all of the following conditions are met.
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The vehicle speed is about 65 to 140 km/h (41 to 86 mph).
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The system detects white (yellow) lane lines.
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The system has completed learning of the driver’s driving data.
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The DAA does not operate under the following conditions.
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The vehicle speed is less than about 65 km/h (41 mph).
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The vehicle speed exceeds about 140 km/h (86 mph)
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The vehicle is making a sharp turn.
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The vehicle is changing lanes.
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The DAA may not operate normally under the following conditions.
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White (yellow) lane lines are less visible because of dirt or fading/patchiness.
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The vehicle is jolted or swayed continuously by strong winds or rough roads.
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The vehicle is driven aggressively.
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When making frequent lane changes.
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The DAA detects driver fatigue and decreased attentiveness based on the driving data when the vehicle is driven at about 65 to 140 km/h (41 to 86 mph) for about 20 minutes. The driving data will be reset under the following conditions.
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The vehicle is stopped for 15 minutes or longer.
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The vehicle is driven at less than about 65 km/h (41 mph) for about 30 minutes.
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The ignition is switched off.
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After the DAA has displayed the first message encouraging rest, it does not display the next one until 45 minutes have passed.
Driver Attention Alert (DAA) Display
When the system detects driver fatigue or decreased attentiveness, it activates the warning sound and displays an alert in the multi-information display.

Close Proximity Warning
If your vehicle rapidly closes in on the vehicle ahead because the vehicle ahead applies the brakes suddenly while you are travelling in headway control, the warning sound activates and the brake warning is indicated in the display. Always verify the safety of the surrounding area and depress the brake pedal while keeping a safer distance from the vehicle ahead. Additionally, keep a safer distance from the vehicles behind you.

In the following cases, the warnings and brakes may not operate even if your vehicle starts closing in on the vehicle ahead.
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You are driving your vehicle at the same speed as the vehicle ahead.
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Directly after the MRCC system has been set.
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Directly after the accelerator pedal is released.
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Another vehicle cuts into the driving lane.
Adjustable Speed Limiter (ASL) (Some Models)
The ASL is a function to prevent the vehicle from being driven at a vehicle speed faster than a set speed. The vehicle speed is controlled to kept it below the set speed even if the accelerator pedal is depressed.
The ASL can be set between 30 km/h (20 mph) and 200 km/h (125 mph). The vehicle speed may exceed the set speed when the vehicle is driven on a down slope, however, the system notifies the driver by flashing the display and operating a warning sound.
Always turn off the system when changing drivers:
If the driver is changed and the new driver is unaware of the ASL function, the vehicle may not accelerate when the driver depresses the accelerator pedal, leading to an accident.
The system consists of the ASL display and the speed limiter switch on the steering wheel.
