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The 2017 Buick Encore utilizes Dex-Cool antifreeze/coolant, which is a commonly used coolant product that can be found in most auto parts stores. You have the option to purchase it in a mixed bottle or mix the full-strength version yourself with distilled water at a 50/50 ratio. Buick advises having the coolant system flushed and refilled every 5 years or 150,000 miles, whichever comes first. Following the initial service, it is recommended to flush the coolant every two years regardless of mileage. In between services, it is important to regularly check the coolant level, which is a crucial task that should be carried out frequently. A handy way to remember this is to check all fluids each time you refuel your gas tank.
The coolant used in the 2017 Buick Encore is a 50/50 mix of Dex-Cool.