Not a joke. Some appliances have what's known as "Sabbath mode", because of the Jewish restriction on doing work on the Sabbath. From Wikipedia: "When an oven i

Not a joke. Some appliances have what's known as "Sabbath mode", because of the Jewish restriction on doing work on the Sabbath. From Wikipedia: "When an oven is in Shabbat mode, the standard six- or twelve-hour automatic shutoff is overridden, and all lights and displays (for example, a light that might go on when the door is opened) are disabled." http://en.wikipedia.org/wiki/Sabbath_mode http://en.wikipedia.org/wiki/Sabbath_mode