What Causes the Volkswagen Reverse Radar Button to Keep Flashing?

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Reverse radar continuously beeping, apart from being a normal response, may also be caused by the following reasons: 1. Foreign objects stuck on the reverse radar probe, causing signal blockage; Solution: Check if there is anything blocking the radar holes at the rear of the vehicle. 2. Leaking or seeping of the rear wiper water pipe into the reverse radar system; Solution: Seal the leak (or replace the pipe), then drain any accumulated water in the radar system. 3. Error in the radar ultrasonic signal, causing false alarms; Solution: Restart the engine, drive the vehicle to an open area and attempt reversing again to observe the effect. 4. Short circuit in the reverse radar wiring or failure in the radar module; Solution: Take the vehicle to a 4S shop or repair shop for inspection, check the wiring or replace the radar module.