Ford Focus Replacement Key Cost UK If you've lost your Ford Transit Key Replacement Near Me Focus replacement key, there are many different ways to get it repaired. A non-button key can be purchased to replace the lost ford lost keys Focus replacement key. This will work as your spare, but you'll have to insert it in the ignition quickly every time you need to unlock your car. Both keys cost approximately PS150. Replace an transponder-key If you're trying to replace a transponder-key on a brand new Ford Focus, you have a couple of options. You can either buy an entirely new transponder key or purchase one that is programmed. Transponder keys for Ford Focus have keyless entry. A professional locksmith for automotive and a specific programming machine are required to replace a transponder key. The key code for the Ford Focus is unique to each car, and you cannot program a vehicle with the same key fob as another. To get the code for your Ford Focus, you must visit the Ford dealership or an automotive locksmith.