It may be worth verifying your game to ensure everything is ok.
You can force Steam to recheck the files and download any broken. modified, or out of date files, by telling Steam to verify the game files.
Run Steam > Right Click on F1 2012 > Select 'Properties' > Select 'Local Files' Tab > Select 'Verify Integrity of Game Cache
This will not effect your career save, but will leave you with a verified, standard fully patched game, and remove any mods installed