Which plug is the fill? The one high up, or the one down near the middle? Both these plugs are on the passenger side. Changing the oil in my 06 soon

 

I would have to look but I think the one in the middle.

Also make sure you got a tool to take the fill plug out before you drain it. I ended up puttin 3 or 4 nuts on a bolt and welding it on. I think it is a 17mm allen head.