The radar sensors (rear) for the rear vehicle monitoring system are equipped inside the rear bumper, one each on the left and right sides.
Sedan

Hatchback

The surface area of the rear bumper near the radar sensors (rear) should always be clean so that the rear vehicle monitoring system operates correctly. Do not apply stickers or similar objects to the rear bumper.
Refer to Exterior Care on .
NOTE Consult an Authorized Mazda Dealer for radar sensors (rear) repairs and replacement, or repair, replacement or painting of the rear bumper near a radar sensors (rear).
Laser Sensor (Front)
Cruise ControlComponent Parts
Audio unit
Microphone (hands-free)
The microphone is used for speaking voice commands or when making a
Hands-free call.
Talk button, Pick-Up button and Hang-Up button (hands-free)
The basic functions of Bluetooth ® Hands-Free can be used for such things as
making calls or
hanging up ...
Rear Speaker Inspection
4SD
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Rear seat cushion.
b. Rear scuff plate.
c. Tire house trim.
d. C-pillar trim.
e. Rear package trim.
f. Rear speaker.
3. Verify the resistance between the rear speaker terminals.
If not withi ...
Check Valve Inspection [Skyactiv G 2.0]
Airflow Inspection
1. Remove the vacuum hose..
2. Blow air into the vacuum hose using your mouth from the vacuum pump side and
verify that the air flows to the intake manifold side, then blow air from the intake
manifold side and verify that the air does not flow to the vacuum pump side.
...