You are able to program a 2012 Lincoln Mkt smart key by yourself if you have two working keys (or keys that start the vehicle) using the instructions we send to make the smart key work for your vehicle. The instructions are very easy to understand and can be performed in less than a minute. If you only have one or you lost all working smart keys for 2012 Lincoln Mkt the programming can only be done a local automotive locksmith or dealership. This smart key comes with a brand new battery installed and is tested for functionality before sending. This Smart key comes with 4 buttons and if you look on the back of the unit, you may see some of these numbers: M3N5WY8406 - 267F-5WY8406 - 315 Mhz . Use these numbers to confirm that your Smart key will match this product and that it will work for your vehicle.
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