Mazda MX-5 Owner's Manual page 243

Radar sensors (rear)
The radar sensors (rear) function by detecting the radio waves re 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).
Blind Spot Monitoring (BSM) System
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 4-132 .
When Driving
i-ACTIVSENSE
4–101