have you changed fluid and filter in any other car? buy filter it comes with rubber gasket. git big drain pan. bag of rags. drop pan off transmission.. fluid will start coming out before all pan bolts are out if not leave 4 in the corners and pry with flathead. clean out pan with rags.scrape off old gasket material. wipe clean with rags. change filter.install pan. put gasket on pan using bolts push them threw rubber holds them in. don't over tighten and kill pan gasket.