Ensure that the oven cavity is completely cool, then disconnect power to the in-wall oven or range.
Locate the light cover, which is located on the right side of the oven cavity's rear wall.
Grasp the light cover by its edges, then turn the cover counterclockwise until it is released from the wall.
Take the light cover out of the oven cavity and set it aside while you replace the bulb.
- To replace the light cover, screw it back onto the wall by turning it clockwise.