This assumes that you can and already do basic maintenance on your own, especially changing the oil.
I created this because while there are written instructions on changing Accord transmission fluid, I never found any pictures. In fact, the Haynes manual doesn't have these pictures!
Step 1: Locating the drain plug
Looking from the side, the plug is almost directly behind the passenger-side front wheel.
To remove the plug, you need a 3/8 drive socket wrench. *It does not take a socket, you must stick the 3/8 drive directly into the plug!*