Developed for use in GM, Ford, Chrysler, and most foreign cars and light trucks. See owner's manual. Helps stop or reduce fluid loss caused by leaky seals. Formulated with high quality oil and fortified with additives to revitalize dried, shrunken and hardened seals. Use as preventative maintenance to help avoid future leaks. Keeps power steering systems running smoothly. Mixes with all approved power steering fluids. NOTE: A second treatment may be needed if leak persists after initial use. If leak persists after second treatment, a mechanical problem may exist and you should see your service dealer. Convenient 32 oz. size. Loss of power steering due to fluid loss usually means that the power steering reservoir has lost a significant amount of fluid. The typical reservoir holds approximately 32 oz. A 12 oz. refill may not bring your system to the proper level.