Answer Hello, 1. Unplug oven or turn off power at the main power supply. 2. Open the door. 3. Remove the vent cover mounting screws. (3 middle screws) 4. Slide the grille to the left, then pull straight out. 5. Remove the charcoal filter, if present. 6. Press and hold the center snap while lifting the tab on the left corner. Remove the cover. Remove the bulb by turning gently. 7. Replace bulb with a 40 watt appliance bulb. 8. Replace the bulb holder. 9. Replace the grille and 2 screws. Turn the power back on at the main power supply. Thanks! Read More... Answered by AppliancePartsPros.com | Tuesday, October 9, 2012