Mazda CX-30 2020 Owner's Manual page 401

A message may be displayed even when the ambient temperature is extremely

cold, or mud, ice, or snow adheres to the sensor area. Remove any foreign matter
from the sensor area.
When installing a trailer hitch, consult an expert repairer (we recommend an

Authorised Mazda Repairer).
If a Mazda genuine trailer hitch is used, the rear side of the parking sensor system

is automatically turned off.
▼ Sensor Detection Range
The sensors detect obstructions within the following range.
1. Front ultrasonic sensor detection range
2. Rear corner/Rear side ultrasonic sensor detection range
3. Rear ultrasonic sensor detection range
4. Front corner ultrasonic sensor detection range
A: About 55.0 cm (About 21.6 in)
B: About 150 cm (About 59.0 in)
C: About 100 cm (About 39.3 in)
Viewing distance display
Parking Sensor System
When Driving
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