Mazda 2015 5 Owner's Manual page 164

Driving Your Mazda
Starting and Driving
qParking Sensor Warning Beep
Obstruction detection sound
The beeper sounds as follows while the system is operating.
Rear Sensor
Distance between vehicle and obstruction
Rear Sensor
Approx. 150 60 cm (59.0 24.0 in)
Approx. 60 45 cm (23 18 in)
Approx. 45 35 cm (17 14 in)
Within approx. 35 cm (14 in)
*1 The speed of the intermittent sound increases as the vehicle approaches the obstruction.
5-38
Beeper sound
Slow intermittent sound
Medium intermittent sound
Fast intermittent sound
Continuous sound
*1