Is it more affordable to have a portable DVD player in your car or have the dealer install one?


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  • ConsumerGuide. "Car DVD Player Buying Guide." Aug. 14, 2007. (Jan. 27, 2009) https://products.howstuffworks.com/car-dvd-players-buying-guide.htm
  • Katzmaier, David. "Best portable DVD players." CNET Reviews. Dec. 3, 2008. (Jan. 27, 2009) http://reviews.cnet.com/best-portable-dvd-players/?tag=pm
  • U.S. News Rankings and Reviews. "Mercedes Develops Split-Screen Nav System." Dec. 11, 2008. (Jan. 27, 2009) http://usnews.rankingsandreviews.com/cars-trucks/daily-news/081211-Mercedes-Develops-Split-Screen-Nav-System-/