What type antifreeze for 2000 Buick century?

For a 2000 Buick Century, it's recommended to use a low silicate, ethylene glycol-based antifreeze that meets the GM specification GM6091M. Typically, a 50/50 mix of antifreeze and distilled water is used for optimal performance and protection against corrosion. It's advisable to check the owner's manual for any specific requirements or recommendations regarding coolant types. Always ensure that the antifreeze is compatible with the existing coolant in the system.