Why is none of the reversing radars beeping?

2 Answers
SanAdeline
07/29/25 12:03pm
The reasons why none of the reversing radars beep are: 1. The circuit of the reversing radar is faulty; 2. The system is faulty; 3. The buzzer in the instrument panel is malfunctioning; 4. The circuit between the controller and the combination meter is open. The reversing radar consists of a host, a display, probes, and a buzzer. The probes are installed on the front and rear bumpers of the vehicle to better observe the parking distance. The full name of the reversing radar is the reversing anti-collision radar, also known as the parking assistance device. It is a safety assistance device when the car is parking or reversing. It can inform the driver of the surrounding obstacles through sound or a more intuitive display, relieving the driver's troubles caused by looking around when parking, reversing, and starting the vehicle. It also helps the driver eliminate blind spots and blurred vision defects, improving driving safety.
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VanEva
08/13/25 9:51pm
It's really frustrating when the reversing radar makes no sound at all. I've experienced this myself—backing up in a crowded parking lot with no audible alerts from the radar was nerve-wracking. After checking, I found the issue was a blown fuse, likely due to an electrical overload. The car's fuse box is usually located near the glove compartment, and you'll need to manually open it to inspect. Additionally, sensors covered in mud or dust can block signals, so gently wipe the detection points on the rear bumper with a soft cloth. If the radar function was accidentally turned off in the settings, try restarting the vehicle and checking the menu. Lastly, wiring issues—such as loose or corroded trunk wire connections—can disrupt communication. Regular maintenance helps prevent this. I recommend checking these points first to avoid accidents.
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