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What is the reason why the Cruze reversing radar does not sound?

2 Answers

LaLeo

09/04/25 6:17am

The reason why the Cruze reversing radar does not sound is due to loose wiring, blown fuse, damaged radar module, or damaged buzzer. The troubleshooting methods are as follows: Check whether the wiring of the reversing radar at the rear bumper is properly connected; check whether the reversing light is on when the reverse gear is engaged. If not, check the reversing light switch; check the continuity of the radar wiring; open the fuse box and use a multimeter to check the continuity of the fuses related to the reversing radar; if the reversing radar module or buzzer is damaged, it needs to be replaced. Concept of reversing radar: The full name of the reversing radar is "reverse collision avoidance radar", also known as "parking assist device". It is a safety auxiliary device for parking or reversing a car, providing a wider field of vision for the car. Function of reversing radar: When reversing, it informs the driver of the surrounding obstacles through sound or more intuitive display, eliminating the troubles caused by the driver's need to look around when parking, reversing, or starting the vehicle, and helping the driver to eliminate blind spots and blurred vision defects, improving driving safety. Composition of reversing radar: It consists of ultrasonic sensors, controller, display, and sensing devices.

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VonRicardo

09/16/25 7:14am

I've repaired many cars and found that the common causes for the Chevrolet Cruze's reverse radar not working are often due to typical malfunctions. The sensor probes can easily get blocked by mud or snow—cleaning them usually does the trick. Blown fuses are a major culprit; check the fuse box and replace the corresponding one. Wiring aging or loose connections are frequent issues, so inspect the harness interfaces for stability. Controller damage is rare but requires professional diagnosis. Don’t underestimate this issue—lack of alerts while reversing can lead to hitting walls or even children. My advice is to first check the probes and fuses; if that doesn’t resolve it, seek repairs promptly—safety comes first. Regular maintenance can prevent such faults, and my experience says don’t delay.

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