What all is needed for a sealed transaxle fluid swap?

[TheReal_DW]

My first time doing the transmission fluid change by myself on my 2013 Kia Sportage FWD 2.0L T-GDI. its got 127.5K miles
Service History:
Kia Dealer flushed at 72k
Meineke drain/filled at 98.5k
(Currently 29k since last service)

I bought 5qt of Mobil 1 SP4 from the dealer yesterday as well as a few new crush washers for future changes. Do I need anything else besides a ratchet, screwdriver, and some car ramps? how do i know how much fluid to add back?

 

[Leo99]

Loosen the fill plug before you drain the fluid. I measure what comes out in an old juice container and add the same back in. You'll need a strategy to get the new fluid in. I assemble a funnel and a house. Professionals probably use a fluid pump.

 

[slacktide_bitog]

I found this video, which does both the oil and ATF:

 

[dubber09]

Technically, you should be able to fill thru level check eye, to check level you do need to get access to it. Fill plug is on top of transmission. I disconnect ATF cooler line above transmission to allow air to escape when filling fresh ATF, to prevent fluid from backing up and making fill a very slow process.