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Automotive Locksmith Key Programming Most modern-day cars require some type of key programming. Based on the model and make, the process may be as simple as using an extra key to program the onboard computer, or as complicated as OBD2 programming or EEPROM. The majority of US and Asian automakers have a programming protocol that they share with auto tool makers, so they can create tools or hardware for automotive locksmiths. Transponder Chips Most modern cars ar