I HAVE A 2012 KIA OPTIMA SX. I BROUGHT IT IN FOR THE ENGINE RECALL THE DEALER SAID IT PASSED NO NEED TO FIX. A MONTH LATER I WAS DRIVING HOME FROM WORK. ALL OF A SUDDEN CAR GAUGES WENT CRAZY AND ENGINE SEIZED. I SAW SMOKE AND POPPED THE HOOD. I THAN SAW A FIRE IGNITE INSIDE THE ENGINE. BY THE TIME THE FIRE DEPARTMENT ARRIVED THE WHOLE FRONT END OF CAR WAS BURNT UP. I SEE THIS IS AN ONGOING ISSUE WITH KIA VEHICLES STARTING ON FIRE FOR NO REASON.