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Car Key Cut and Programed Many customers visit their local locksmith shop to get their new car key cut and programmed. The key is also programmed for their vehicle. This is done using a specific key duplicator machine on site. Traditional mechanical keys do not require programming. Most modern cars have keyfobs that are difficult to duplicate and program. Cost A lot of the latest models of cars have keys that have transponder chips that require programming in order to work. It is possible to copy these keys and program them yourself, but it is recommended to use