Warning buzzer

I have a 2004 Silver Aveo LS Sedan with 26,000 miles on her. A long time ago, the warning buzzer stopped working. One time when it was in for an oil change, I mentioned it to the service guy. They told me there was a short somewhere? Not sure I believe them. Is there a module for the buzzer in the fuse box or under the hood? I miss that buzzer because I have left the headlights on and discharged the battery. Any help would be greatly appreciated before I bring it in this coming Monday for the DRL replacement module that GM FINALLY resolved after TEN months!:confused: