What kind of antifreeze for 2002 Mazda Protege?

For a 2002 Mazda Protegé, it is recommended to use a 50/50 mix of ethylene glycol-based antifreeze and distilled water. Mazda typically suggests using their own brand of coolant or a compatible long-life coolant that meets the specifications of ASTM D3306. Always check the owner's manual or consult with a professional to ensure compatibility and proper maintenance.