Add Yahoo as a preferred source to see more of our stories on Google. Consumer Reports has no financial relationship with advertisers on this site. The coolant light glowing blue when you start your ...

Whether it's when you start your car, during the commute to work, or anywhere in between, it can be alarming to be greeted by an unexpected dashboard light. The array of warning lights on your vehicle ...

As engines get very hot, coolant helps distribute heat to help prevent overheating and engine damage. It also adds antifreeze protection and acts as a lubricant for some of the engine’s components. If ...