Lighting and radio cut-off buzzer (Audi 100 C4)

The buzzer sounds if the car's headlights are still on or the radio is turned off when the door is open and the ignition key is removed.

This sound comes from a buzzer located behind the instrument cluster. Those who find this sound very annoying can get rid of it by removing the buzzer after removing the instrument cluster, or you can replace it with another one with a sound that is pleasant to you.

(The article is a reprint of material from AudiManual.ru)