Most have a pug on the side of the case (not tranfer case) where all the cluches are (in stick models) same place only where gears are if u dont have a clue as to what im talkin about then talk to ur...
The service manual says to add fluid through the dipstick channel. If you open the hood and stand in front of the car you should be able to see the dipstick handle for the automatic transmission on...