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 ...

Something I've realized over the past few years poking with a large variety of cars: Nobody has low coolant or low oil sensors! I drove an '88 Mazda RX-7 with both, and they were quite valuable! The ...

Answer:There's no switch in the radiator. The low coolant level sensor in the coolant expansion tank is intended to be the sole signal that activates the message at the Vehicle Information Center. The ...