Why is the Buick Regal's reversing radar not beeping?

1 Answers
StPaislee
07/29/25 7:53pm
If the reversing radar does not beep or provide relevant prompts when the vehicle is approaching an obstacle behind, it indicates a possible system malfunction that requires inspection. Reversing Radar: The full name of the reversing radar is "Reverse Anti-Collision Radar," also known as a "Parking Assistance Device." It mainly consists of ultrasonic sensors, a controller, and a display (or buzzer). Reversing Radar Operation: When the gear lever is shifted into reverse, the reversing radar automatically activates. If the radar detects an obstacle too close behind, the buzzer or display device of the reversing radar will issue a warning to alert the driver to control the rear distance.
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