What does Power Steering do?
Power Steering helps you to turn your vehicle while operating it at low speeds. The faster you are traveling in your vehicle the less amount of tire is in contact with the road. When you are operating at slower speeds the vehicle weight is pushing the tires to the ground with more tire touching the road creating more friction making it harder to steer your vehicle. It helps you steer the tires with the excessive weight of the vehicle on them.
There are two types of power steering; hydraulic and electric. With a hydraulic system it is suggested that you replace your fluid every 50,000 miles