Car in dash DVD player is a great accessory to install in your vehicle; it is good to have some videos and verses of your choice playing in car when travelling long distances. There are lots of features that these players come loaded with, you should make an informed decision when buying such a DVD player. One of the options that you have is to buy an AR in dash DVD player touch screen for the extra style and oomph in your car. Dash DVD players are available in a wide range of sizes and models. However, the most comfortable for an average sized car is a 7 inch screen so that people sitting at the back can clearly view the images playing on it.