The exact origin of this clip is not documented, and there is no known film, game or recording it was taken from. It circulates as a user-made soundboard upload, part of a wave of short spatial and 8D-style audio clips creators use to give tiny sound effects a sense of movement and depth. Its charm is simple: everyone recognises a car horn instantly, and the stereo treatment makes an otherwise ordinary beep feel like part of a scene. That is why it keeps showing up in quick meme edits and reaction videos where a split-second gag is all that is needed.