A reverse parking warning buzzer is a device that emits an increasingly rapid sound signal when you engage reverse gear and approach an obstacle. The purpose of this signal is to alert the driver to the presence of an obstacle behind the vehicle in order to avoid collisions during parking maneuvers. AUDI: 4B0 919 279, 4B0919279, 4D0 919 279, 4D0919279, 5J0 919 279, 5J0919279, 5Q0 919 279, 5Q0 919 279A, 5Q0919279, 5Q0919279A, 8E0 919 279, 8E0919279 PORSCHE: 4B0 919 279, 4B0919279, 4D0 919 279, 4D0919279, 5J0 919 279, 5J0919279, 5Q0 919 279, 5Q0 919 279A, 5Q0919279, 5Q0919279A, 8E0 919 279, 8E0919279 SEAT: 4B0 919 279, 4B0919279, 4D0 919 279, 4D0919279, 5J0 919 279, 5J0919279, 5Q0 919 279, 5Q0 919 279A, 5Q0919279, 5Q0919279A, 8E0 919 279, 8E0919279 SKODA: 4B0 919 279, 4B0919279, 4D0 919 279,.