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Automotive Locksmith Key Programming Modern automobiles require some kind of key programming. Depending on the model and manufacturer the procedure could be as simple as using a spare key to program the onboard computer or as complicated as EEPROM or OBD2 programming. Most US and Asian auto manufacturers use the same programming protocols as auto tool makers, which means they can create tools or hardware for automotive locksmiths. Transponder Chips Most newer cars use transponder c