I TOOK IN MY WIFE'S 2012 IMPALA INTO THE AUTO MECHANIC ABOUT A MONTH AGO BECAUSE HER DEFROSTER WAS NOT WORKING. THE MECHANIC SAID THAT THAT SOMETHING BURNED (I THINK IT WAS A BOX WITH SOME WIRES). HE REPLACED IT WITH A NEW PART AND IT WAS WORKING. LAST WEEK I NOTICED THAT HER REAR DEFROSTER IS NOT WORKING AGAIN. I PLAN ON TAKING IT IN AGAIN BUT IF THEY FIX THE SAME THING I WOULD ASSUME IT WOULD BE AN ONGOING CYCLE OF THIS PROBLEM. I DID DO SOME INTERNET RESEARCH AND NOTICED THAT OTHERS ARE HAVING THE SAME PROBLEM. I CONTACTED CHEVROLET COOPERATION AND THEY SAID THAT THERE IS NO RECALL ON THIS.