In the video, a man is seen sitting in the back seat of a car. He is wearing a red shirt and yellow pants. The man is talking to the camera while making various hand gestures. He then proceeds to demonstrate how to properly adjust the headrest of the car seat. He moves the headrest up and down, showing how it can be adjusted to the desired height. The man continues to talk and make gestures throughout the video, providing a clear demonstration of how to adjust the headrest in a car.