In the video, a person is seen sitting in the back seat of a vehicle. The person is holding a small black device with a yellow wire attached to it. The person is using the device to plug into the back of the seat in front of them. The person then proceeds to push a button on the device, which causes the seat to move forward. The person repeats this action several times, pushing the button and causing the seat to move forward each time. The person's actions are deliberate and controlled, indicating that they are familiar with the device and its function. The video does not provide any additional context or information about the device or the vehicle.