Mazda 3 - Page 253

4 – 109
When Driving
i-ACTIVSENSE
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).
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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) on page 4-205 .
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).
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Blind Spot Monitoring (BSM)
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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 4-208 .
Ultrasonic sensors (rear)
The ultrasonic sensors (rear) function by detecting the ultrasonic waves reÀ ected 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) on page 4-210 .
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