Here's the steps I used-
1.Remove door panel and power window switch.
2.Tear off plastic sheet between panel and door.
3.Remove speaker, rears use 5.5mm socket.
4.Spray inside the door itself. Spray all over inside the door. Don't worry about drips, the more you can apply the better. I have an appox. 1/16in layer. Just don't get the window and lock mechanisms covered.
5.Spray outside the door, where the plastic sheet was. Keep the spray inside the area covered by the panel. You don't need to get real thick here. Just be careful where you spray and go around the door handle. The spray is thick enough you don't need to mask here.
6.On the door panel-remove the thick piece of fabric. Save this. Mask off the holes where the power widow buttons and door handle used to be, also the speaker grill. Spray the entire inside of the panel. After it dries, use hot glue to put the fabric back in.
7.That's it. Put it all back together.
You're going to take up the better part of the day doing this. It took me 5 hours. The reason it's so long is you have to let the coating dry before you put anything back together. Be sure to keep your windows down, if you can, for a day or two or you'll have a nice buzz when you drive from the fumes. If you get any spray on the paint, just use a clay bar to remove it. Paint thinner can remove any drips on the plastic. You should use approx. 15-18 cans for the whole vehicle. I'm on 9 and I just did the lift gate with the cargo area and floors to go...and maybe the roof. It really helps to have a door panel remover too.