FORD, LINCOLN & MERCURY

      To originate new master key.

         This requires that vehicle to be connected to a special dealer diagnostic 

         equipment.

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ADD A DUPLICATE KEY ( requires two existing keys)

        1- Insert an existing key and turn the ignition cylinder to ON (RUN) and

         then back to OFF.

        2- Within five seconds remove the existing key, insert another existing

        key and turn it to the ON position and then back to OFF.

        3- Within ten seconds insert the new key and turn it to the ON position .

        Leave it ON  for one second and then back to OFF.

        4- The security light will light up for three seconds to indicate that the

         new key has been successfully programmed.