The improvements in automobile aftermarket accessories market in the last decade that have been nothing short of astounding.

Some of these players, for example, can do things literally unheard of just a few years ago. They can run a GPS navigation system, play music and display a television picture all at the same time.

They do this by splitting operating functions in order to display all three at once, which is why answering the question “What is a picture in picture car DVD player?” might be something worth exploring.