I purchased bosch free standing range on the front it says Genuine Euuopean Convection trade mark self cleaning oven w/ warming tray I try setting the clock during the day it works fine but when I get up in the morning it shows military time I purchased this approx. 5 yrs ago from sears in Jersey City, NJ but it was going to Toms River NJ can't locate service manual what am I doing wrong I just located a # on the side of the warming draw HGS7282UC/01 FD86200116 I hope this is correct