Ford Mondeo all key lost is troublesome for locksmith. I have a client who lost all his keys today. I worked out problem finally.
Main procedure:
1. Find key code
2. Cut key blank
3. Generate remote key
4. Add remote
More Detailed solutions in my blog: http://blog.obd2express.co.uk/2015/10/08/how-to-ford-modeo-remote-all-key-lost-diy/