I wish you would refrain from your demeaning comments. Are you abusive at home too?
Concerned parent, October 2015
REPLACING A BATTERY
The battery is not covered by the guarantee. Use an alkaline AA battery. The battery holder is located in the plinth panel below the oven door. Open the oven door fully.
Press the tag on the left hand side of the battery holder/cover and withdraw it just enough to get access to the battery. Fit the new battery with the end marked "+" on the same side of the battery holder as the red lead. Replace the battery holder by pushing it firmly into the hole in the plinth.