In the video, a man is using a vacuum cleaner to clean the inside of a car. He starts by vacuuming the floor of the car, moving the vacuum cleaner back and forth to ensure that all the dirt and debris are removed. The man then proceeds to clean the seats of the car, making sure to get into the crevices and corners. He uses the hose of the vacuum cleaner to reach the areas that are difficult to access. Throughout the video, the man is focused on his task, making sure that the car is thoroughly cleaned.