What kind of coolant do you use in a non-Turbo 1998 S70 Volvo?

For a non-Turbo 1998 Volvo S70, it's recommended to use a 50/50 mix of Volvo-approved coolant and distilled water. The specific coolant type is usually a blue or green ethylene glycol-based coolant, often referred to as Volvo's own brand or an equivalent that meets the specifications. Always check the owner's manual for the most accurate recommendations and ensure the coolant meets the necessary standards for optimal performance and protection against corrosion.