Here’s a very good tip from Appliance411:
as, garberator, microwave, oven, range, stove, refrigerator, automatic and clothes washers or washing machines

Oven Cleaning It is not usually a good idea to try self-cleaning an oven *immediately* prior to a big dinner. Cleaning a week or more in advance would allow service to be scheduled should a problem arise. They often do… and at the of worst times.