This seems similar but probably not $200: http://www.technologyreview.com/Infotech/19699/?a=f http://www.technologyreview.com/Infotech/19699/?a=f I think the t

This seems similar but probably not $200: http://www.technologyreview.com/Infotech/19699/?a=f http://www.technologyreview.com/Infotech/19699/?a=f I think the technique in the article could control the car from any location via cell modem.