How to Make Your Car Last Forever: Avoid Expensive Repairs, Improve Fuel Economy, Understand Your Warranty, Save Money

Draw coolant out until it fills the plastic reservoir and read the indicator. It will show the freezing point of
your coolant mixture. This point must be below the lowest temperatures experienced in your area. If the
strength is too weak, add pure antifreeze coolant; if it’s too strong, add distilled water. Then retest.