Prevents corrosion to extend the life of power steering systems. Simply pour and go. Almost all cars on the road have power assisted steering (PAS) systems and fluid to assist the steering movements of the wheels. If there isn't enough fluid in the system, steering will become difficult and noisy, and you could experience damage to parts such as the pump, rack and pinion. Prestone power steering fluid can be used in all vehicles that have power steering. • Prevents corrosion to extend the life of your power steering system • Reduces wear and noise without damaging seals and gaskets • Guaranteed for use in all vehicles