You need the battery to be able to start your car. That is it’s primary purpose along with providing power to the electronic components throughout the vehicle (stereo, lights, power windows/doors, electric power steering, etc.)
If your power steering goes out when you are driving, it is best to get to the side of the road to safety. Turn on your hazards and apply your brakes slowly to maintain control of the vehicle and guide it off of the road.…
