How do you change the transmission fluid on an automatic 2002 Isuzu Rodeo?

Two plugs that a 3/8 ratchet fit into on trans lower for drain upper for fill, after draining fill until fluid flows out upper plug, run the engine and cycle gears and do it again. finally check level by pumping in more fluid till it runs out again and you are done. either go yo pennzoil and have them do it. or get a trany filter kit and drop the trany pan