Checking the status of your meal is a good idea, especially if you want to use less energy. Oven lamps make this easy, by offering a view of what's going on inside your appliance. But when the bulb goes out, then you have a little problem on your hands. Opening the oven door is easy, but you allow a great amount of heat to leave resulting in energy loss.
So in this tutorial, to prevent anything from happening, you'll find out how to replace a Whirlpool oven lamp easily. Now, this may not be done the exact same way, but should be somewhat similar. Check your manual for more information if you need to. Good luck and enjoy!