At the heart of every system in your car is some type of module. These various modules are all connected via a Controlled Area Network (CAN) that is extremely complex. Although modern cars are able to perform with more efficiency and accuracy they are becoming increasingly complicated. In fact, today’s automobile is much like a computer that you drive around. This means that the simplest action that you undertake — breaking, for example, or using your turn signal — is no longer only a mechanical function but actually is the result of highly complicated technology at work beneath the surface.