Kia has their own Transmission Fluid that is recommended for their cars. You can get transmission fluid for the Optima at any Kia dealer.
transmissiom fluid for 2001 kia optima 4 cylinder
Sp ii sp iii
find another 2009 kia optima and park it in the same garage overnight.
Dipstick tube
The 2005 Kia Optima typically uses Hyundai/Kia ATF SP-II or SP-III automatic transmission fluid. It's important to check the owner’s manual or consult with a dealership to ensure you're using the correct fluid type for your specific model, as using the wrong fluid can affect transmission performance. Always make sure to use fluids that meet the manufacturer's specifications.
I own a 2002 Kia Optima SE V6 4 speed automatic transmission, and my owners manual says that you fill the Tansaxle with 8 qts of transmission fluid ATF III, open for discussion.
You'll need a funnel but you pour it into the tube that holds the fluid check stick
The 2012 Kia Optima has a 6-speed manual.
The 2006 Kia Optima has a 5-speed manual.
The 2010 Kia Optima has a 5-speed manual.
The 2009 Kia Optima has a 5-speed manual.
The 2011 Kia Optima has a 6-speed manual.