Recommended and formulated for use in all GM vehicles that require a GM Dex-Cool approved formula coolant, and other cars and light-duty trucks with aluminum radiators. Concentrated blend of premium, long-lasting inhibitors for extended performance protection against temperature extremes, rust, and corrosion for 5 years or 150,000 miles. Compatible with allextended life formulas at concentrations typically used in all vehicles, including Audi, BMW, Daewoo, Daimler Chrysler,Ford, GM, Honda, Mercedes, Mitsubishi, Suzuki, Toyota, Volvo, and VW.