All makes all models; compatible for use in all cars & light duty trucks. Mix with any color antifreeze and will not change the current antifreeze color when used to top off. Features a phosphate-free & silicate free formula. Compatible for Japanese & European makes. Provides 150,000 miles or 5 years of maximum protection when a complete cooling system flush and fill is performed. Provides maximum cooling system protection against damaging rust and corrosion. No need to add water.