You have a 4th generation Nissan Maxima
I reset my airbag using the directions on this website. Go to theTech pages tab at the top, then to Nissan Technical and look for the articles there. I used both of them.
You can see the shop manual at
http://www.nicoclub.com/FSM and workto your car. I would also advise to buy Chiltons and research all work beforeperforming it so you have fewer surprises. You can save moneyif you prepare correctly.