In the video, a man is seen working on a car engine. He is using a ruler to measure the level of the coolant in the car's coolant reservoir. The man is wearing a white shirt and is standing in front of the car's open hood. The engine is filled with various components, including the battery, hoses, and other mechanical parts. The man carefully checks the level of the coolant, ensuring that it is at the correct level. The video provides a close-up view of the engine and the man's hands as he works on the car.