Mazda 3 2020 Owner's Manual page 434

When Driving
Parking Sensor System
Distance Detection
area
Close distance
*
1 The rate at which the intermittent sound beeps increases as the vehicle approaches the obstruction.
NOTE
If an obstruction in the same area excluding the close area is detected

continuously for 6 seconds or longer, only the warning beeps stop activating.
(Detection is indicated) If the detection area changes to the close side, the
warning beeps resumes. (If the detection area changes to the far side, the warning
beeps remain off)
The sound volume (each of front and rear) can be changed.

Refer to the Settings section in the Mazda Connect Owner's Manual.
▼ When Warning Indicator/Beep is Activated
The system notifies the driver of an abnormality by activating the beep sound and
the indicator light.
Indicator/Beep
A message indicating a sys-
tem malfunction or sensor
malfunction is displayed.
A message indicating that the
sensor is dirty is displayed.
A certain obstruction detec-
tion indication is continuous-
ly displayed.
4-276
Distance between vehicle and obstruction
Front corner ultrasonic sensor/Rear corner,
Rear side ultrasonic sensor
Within approx. 25 cm (9.8 in)
There may be a problem with the system. Have your vehicle inspected
by an expert repairer (we recommend an Authorised Mazda Repairer)
as soon as possible.
Remove any foreign matter from the sensor area. If the system does not
recover, have the vehicle inspected by an expert repairer (we recom-
mend an Authorised Mazda Repairer).
Foreign matter may have gotten on the sensor area corresponding to
the detection indicator. If the system does not recover, have the vehicle
inspected by an expert repairer (we recommend an Authorised Mazda
Repairer).
Continuous sound
How to check
*1
Beeper sound