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Need some help I had one working key when bought this 2011 Taurus and was not sure if it was part of master set so I wanted to make a new set master keys bought 2 rotunda keys for stealership and used forscan with extended license to erase the 2 master keys programed in the car had the 2 new keys cut and tried with forscan to add the new master keys and it does not take them . Sometimes it says 1 know key mostly 0 known keys at loss now I have 3 keys and none work!! Any suggestions or ideas appreciated!!