How do you change transmission fluid on a kia rio 2004?

To change the Transmission Fluid on a 2004 Kia Rio, first ensure the vehicle is on a level surface and securely lifted. Remove the transmission pan bolts and drain the old fluid into a container. Clean the pan and replace the filter if applicable, then reattach the pan with a new gasket. Finally, refill the transmission with new fluid through the dipstick tube, checking the level as you go.