Key fob programming
[Fileark] has instructions for reprogramming keyless entry devices for your car. His demonstration video, which you can see after the break, shows how to make one key fob work for two different vehicles. In this case he's working on a couple of Chevrolet trucks but there are instructions for GM, Ford, Dodge, Toyota, and Nissan. [...]
original thread: only registered users with at least 25 hack challenge points can see links: click here in order to visit the hack challengeshttp://hackaday.com/2010/07/13/key-fob-programming/