If you are planning on doing the regular maintenance on the car yourself, then you should invest in a Helms service manual. That will not only get you through the easy stuff like oil changes, but other services you can do and save a bunch of money.
www.helminc.com
As far as the oil change, you'll seriously get a plethera of how-to's if you do a simple search on a search engine. But specific stuff about the Accord...
It's best to replace the crush washer on the drain bolt to get a good seal, always tighten the bolt to the correct torque spec. As far as V6 change volume, I'm not sure on an exact number. On my I4 I end up putting about 4 quarts or so in.