In this audio titled "31.Car_Door", you will hear the distinct sound associated with a car door. It begins with the approach towards an automobile, the soft crunch of gravel underfoot hinting at the setting. Then comes the clear, metallic noise of a car door handle being engaged, followed by the somewhat heavier sound of the door itself swinging open. There's a short moment of silence before the door is shut again, the resulting thud echoing slightly in the surrounding quiet. The sound is indicative of the door's solid construction, insinuating a sense of security. This audio encapsulates the routine yet distinct experience of opening and closing a car door, a familiar sequence for any auto user.