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Automotive Locksmith Key Programming Modern cars require some type of key programming. Depending on the model and manufacturer the process could be as simple as using a spare key to program the onboard computer, or as complicated as OBD2 programming or EEPROM. The majority of US and Asian automakers share their programming protocol with auto tool makers, which means they can create hardware or software for automotive locksmiths. Transponder Chips Transponder chips are in many newer cars to guard against theft of vehicles. T