Listen, TINY, what you need is DVD Audio Extractor:
http://www.dvdae.com/dvdae/
Does your player support WAV and/or FLAC files? If not, do you have a CD player in your car? I ask because the audio on a regular DVD is already lossy, so why would you wanna compress
that into mp3s? Better extract shit as WAVs and make yourself some nice compact discs. Just sayin'.