In F1 2013, changing the language often changes the and Subtitles . However, the Commentary (Audio) may remain in English depending on which region you bought the game from. Some budget versions (especially in Eastern Europe) only include English audio to save disk space, even if they offer multiple text languages.
If Steam Properties failed, it means the game is hard-locked to a specific locale via a configuration file. You will need to edit a text file manually. f1 2013 change language