Mazda 3 Owner's Manual page 313

The system is cancelled under the following conditions:
The parking sensor switch is pressed while the parking sensor is in operation.
The vehicle speed is 10 km/h (6 mph) or more.
Without front sensor and front corner sensor
When the ignition is switched ON and the shift lever is shifted to the reverse (R), the beep
sound activates and the system is enabled for use.
The sensors detect obstructions under the following conditions:
Sensor
Rear Sensor
Rear Corner Sensor
Obstruction Detection Indication (with Front Sensor and Front Corner
Sensor)
The position of a sensor which has detected an obstruction is indicated. The gauge
illuminates in different areas depending on the distance to an obstruction detected by the
sensor.
As the vehicle approaches closer to an obstruction, the zone in the gauge closer to the
vehicle illuminates.
Without rear view monitor
Right corner
sensor gauge
Front
sensor
gauge
Left corner
sensor gauge
The shift lever is in reverse (R).
The shift lever is in reverse (R), and the vehicle speed is about 10 km/h (6 mph) or
less.
Right corner
sensor gauge
Rear
sensor
gauge
Left corner
sensor gauge
Parking Sensor System
Condition
With rear view monitor
Front sensor gauge
Left corner
sensor gauge
Left corner
sensor gauge
Rear sensor gauge
When Driving
Right corner
sensor gauge
Right corner
sensor gauge
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