In the video, a person is seen sitting in the back seat of a car, and they are demonstrating how to use the seat belt. The person is wearing a black seat belt, and they are showing how to properly insert the latch plate into the buckle. They are also showing how to properly adjust the shoulder strap to ensure a comfortable and secure fit. The person's movements are deliberate and clear, making it easy for viewers to follow along and understand the process. The car's interior is visible in the background, and the person's actions are the main focus of the video.