[Apro4x4]

Is there a way to make the DVD player work while driving?

 

[GreatAmerican]

^^^^^
Yes. You'll need to purchase a lockpick.

 

[itzrick]

The lockpick will also unlock some other features and let you hook up a camera for only a few bucks more. Here's a link that tells about it.
MYGIG LOCKPICK
TVandNAV2Go makes something about the same cheaper.