Volkswagen is one of the most sought-after cars by the millennials due to its performance and advanced features. There are certain warning lights located on the dashboard of VW that warn you whenever there is something wrong with your car. If you see the illumination of the coolant warning light on the dashboard, then you should immediately take notice because it signifies issues with the flow of the coolant. Have a look at the slide to know the reasons behind the flashing of the coolant light on the dashboard of your VW Jetta.