I WAS LEAVING A STORE PARKING LOT AND BEGAN A LEFT TURN WHEN THE STEERING WHEEL WAS WRENCHED OUT OF MY HANDS AS IT SPUN AROUND CAUSING MY TRUCK TO VEER SHARPLY TO THE LEFT AND TO HIT ANOTHER STATIONARY VEHICLE. GMC SERVICE DEPARTMENT SAID THE STEERING WAS BROKEN AND PROCEEDED TO REPLACE THE STEERING MODULE. I RETAINED THE OLD MODULE AS EVIDENCE THE TIE ROD BECAME DISCONNECTED CAUSING THE ACCIDENT. NO ONE WAS SERIOUSLY INJURED ALTHOUGH I HAS THE SKIN ON MY HAND AND FOREARM RUBBED OFF BY THE STEERING WHEEL.