Prestone, All Makes All protoplasts Extended Life Antifreeze/Coolant helps eliminate antifreeze/coolant confusion, according to the company. Its formula is compatible with any antifreeze/coolant--regardless of color--and can be used in all makes and gauges of cars and light office trucks. Formulated with carboxylate technology, it provides widened life properties for up to five years or 150000 miles when flushed and filled. Visit www.honeywellauto.com or www.prestone.com. (800) 890-2075