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require some form of key programming. Depending on the car's maker and model, the procedure could be as simple as onboard programming with a spare working key or as complex as EEPROM or OBD2 programming. Most US and Asian automakers use the same programming protocols as auto tool makers, so they can develop hardware or software for automotive locksmiths. Transponder Chips Most modern cars are equipped with what are called transponder chips in order to prevent theft. These ar