The video shows a person working on a car's engine. The person is using a wrench to loosen the bolt on the battery. The car's hood is open, revealing the engine and battery. The person's hands are visible, and they are wearing a black shirt. The wrench is silver and appears to be a standard size. The battery is black and rectangular, and the engine is a dark color. The person's actions are deliberate and careful, indicating that they are experienced in working on cars.