Prestone Extended Life, Gallon, 5/150 GM Dex Cool Antifreeze/Coolant, 50/50 Pre-Diluted Recommended & Formulated For Use In All GM Vehicles That Require A GM Dex Cool Approved Formula Coolant, As Well As All Other Cars & Light Duty Trucks With Aluminum Radiators, Patented Formula Has A Concentrated Blend Of Premium, Long Lasting Inhibitors For Extended Performance, Protects Against Temperature Extremes & The Ravages Of Rust & Corrosion For 5 Years Or 150,000 Miles, GM Approved