Protects vital engine parts for up to 5 years/150,000 miles with Extended Life Formula. Includes the Prestone protection package that meets environment and scale protection standards for the cooling system. Concentrate formula. Must mix with water (distilled ideal) to the desired mix ratio of EG & water. Can be used for top-off, complete drain and refill or flush and refill of the cooling system. All GM vehicles 1995 and newer/GM approved (GMC, Chevrolet, Buick, Cadillac, Pontiac, Saturn, Oldsmobile, Hummer), most Ford vehicles 2011- 2018 (Ford, Lincoln, Mercury) and most Chrysler vehicles 2013 and newer (Ram, Dodge, Jeep, Chrys) Contains bitterant
