The serpentine belt is also known as the accessory belt of the car which is commonly found when you open up the hood. These belts have identifiable ridges that can maintain the grip when you are turning the accessory pulley. Through the serpentine belt, the spinning motion of the crankshaft is transferred to each of the accessory pulleys. Take a complete look at the following slide to determine the snapped or failed serpentine belt of the car.