How do you change automatic transmission fluid in 2006 Toyota matrix?

To change the automatic Transmission Fluid in a 2006 Toyota Matrix, first ensure the vehicle is on a level surface and the engine is warm. Remove the transmission fluid drain plug to let the old fluid drain completely into a pan. Once drained, replace the plug, refill the transmission through the dipstick tube with the recommended type of new fluid, and check the level with the engine running. Finally, ensure there are no leaks and dispose of the old fluid properly.