What are the reasons why the car's reverse radar does not beep?

[McElias]

The reasons why the car's reverse radar does not beep include wiring issues and reduced sensitivity. The specific explanations are as follows: Wiring issues: If the rear of the car is already close to an obvious obstacle, but the reverse radar does not respond at all, it may be due to loose wiring of the reverse radar. In this case, professional debugging is required. Reduced sensitivity: When the sensitivity of the reverse radar decreases, its response becomes slower. Sometimes, even though you can see an obstacle in the rearview mirror, the radar still does not beep unless the car gets very close. This may be due to the poor quality of the radar itself. Blind spots: The reverse radar also has blind spots. There is a blind spot on the far left and far right of the reverse radar. When this blind spot is about to come into contact with an obstacle, the reverse radar cannot detect it, so sometimes the radar does not beep.