1) took out screw that held cover over bulbs
2) removed two burned out bulbs
3) put in new bulbs
4) screwed the lid back over the bulbs
5) at the same time, replaced the grease filter near those bulbs
The website made it extremely easy to find the correct parts within minutes. It also made a very good suggestion, to buy grease filters. We bought this house that is over ten years old and it appears that the previous owners cooked a lot with grease.