TL*THE CONTACT OWNS A 2008 GMC SIERRA 1500. THE VEHICLE WAS PARKED WITH THE ENGINE RUNNING AND THE DOORS LOCKED. UPON TRYING TO ENTER THE VEHICLE USING A SEPARATE REMOTE KEY THE VEHICLE WOULD NOT UNLOCK. HE HAD TO ENTER THE VEHICLE THROUGH THE FRONT DRIVERS SIDE DOOR BY MANUALLY UNLOCKING THE DOOR. ONCE HE ENTERED THE VEHICLE HE SMELLED A SLIGHT MELTING ODOR. HE COMPARED THE ODOR TO THE SMELL OF BURNING WIRES. THE VEHICLE WAS NOT EXAMINED BY THE DEALER TO DETERMINE THE CAUSE OF FAILURE. THE MANUFACTURER WAS NOTIFIED AND STATED THAT HE HAD TO TAKE THE VEHICLE TO AN AUTHORIZED DEALER AND PAY TO HAVE THE FAILURE DIAGNOSED. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGES WERE 47,000.