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How to Replace the Coolant in the Toyota Prius C Aqua

Model: Toyota Prius C Aqua MK 1 - Years 2011-2021
Part: Antifreeze coolant

In today's video, you will see the main instructions for replacing the engine coolant in the Toyota Prius C Aqua. First, lift the vehicle and start unscrewing the drain valve of the cooling system, located on the lower radiator hose; let the coolant drain into a container for about ten minutes. At this point, open the hood and unscrew the filler cap, pouring in the new antifreeze (the correct type for your radiator); fill it up to the maximum level, indicated by a mark on the reservoir!

Updated on 20 May 2026 by ScegliAuto

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