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Automotive Locksmith Key Programming Modern cars require some type of key programming. Based on the model and manufacturer the process could be as simple as using a spare key to programme the computer onboard, or as complex as OBD2 programming or EEPROM. The majority of US and Asian car makers use the same programming protocols as auto tool manufacturers to allow them to develop tools and hardware for automotive locksmiths to use. Transponder Chips Transponder chips are in many newer cars to stop theft of cars. These are tiny computer microchips which emit radio