where is the fill plug on 2009 kia rio standard transmission?
Here you go, here is all the info you need to do a complete drain and fill on your manual trans: http://www.kia-forums.com/2g-2006-2010-rio-rio5/84704-rio-manual-transmission-flush-guide.html
Fast answer: 19mm large black bolt next to clutch fluid line bolt.
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