I am looking for a How-to on spark plugs. I am kind of a "noob" to working on my own car. I normally would take it the dealer for work but I am flat broke and cant afford to pay them 200+ dollars to do this. My G6 is the 3.5 GT coupe. I am looking for directions on how to do the work, and the correct spark plugs/ where to buy them at. Local parts stores include, Autozone, O'Reillys, Advanced, Napa, and of course the GM dealer. Thanks in advance guys.