Park the vehicle on level ground, with transmission fluid at 90 to 135 degrees F engine running, trans in park allow to idle for 3 minutes, there are two larger plugs at the bottom of the trans open the one toward the front driver's side of trans, that is the over flow/level plug fluid should just drip out if the level is OK.
Autozone have some popular workshop manuals for free on line once you register (for free) on their website http://bit.ly/autozone_repair_info or there is a company that independent auto repair shops "buy" their information from that offer a very reasonable service to do it yourselvers. You can get a one week subscription or year subscription very cheap. The information is year make and model specific repair procedures, service bulletins, component locations, wiring diagrams ect.... great quality information same as the professionals have ,much better than generic workshop manuals from parts stores, much cheaper than the factory manual try http://bit.ly/mitchell_repair_manuals_online
and get an online repair manual subscription.
Instructions should be in owner's handbook. Check here http://repairpal.com/automobile-owners-manuals-online or try this link you may be able to down load a free copy of the owner's manual for your vehicle http://www.autousermanual.com/