The video shows a man sitting in the back seat of a car. He is wearing a blue shirt and gray pants. The man is demonstrating how to adjust the seat of the car. He first shows how to adjust the seat height by pulling a lever on the side of the seat. Then, he shows how to adjust the backrest angle by pulling another lever on the top of the seat. Finally, he demonstrates how to adjust the lumbar support by pressing a button on the side of the seat.