GM Authority is taking a closer look at how an engine block heater works, while outlining how it can improve cold-weather ...

When winter temperatures plunge, many diesel truck owners make starting their vehicles easier with a block heater. But when, exactly, should you use it?

With winter officially here, now is a good time to consider your options for an electric engine heater — more commonly known as a block heater. This one feature is responsible for more than its share ...