I have a 07 Freestyle SEL with just over 80k miles on it. I love the car and fortunately have not had any issues out of it. The only problem i have so far is the positive battery terminal corrodes really bad. I can clean it up and a few weeks later more corrosion is built up again so bad that you cant see the terminal on the battery. What is causing this and what do i do about it? I have already tried putting dielectric grease on the terminal but that hasnt helped any.