Pedant: If your "alternator" belt is broken, you are likely not going to have a dead battery - you probably won't be able to steer, and you're likely not going

Pedant: If your "alternator" belt is broken, you are likely not going to have a dead battery - you probably won't be able to steer, and you're likely not going to have a dead battery since you are not driving/using the car since it will also overheat very quickly.