2009 PONTIAC G6,, LOST CONTROL WHEN THE LEFT REAR WHEEL SEPARATED FROM THE VEHICLE. UNIT 1 WENT OFF THE RIGHT SIDE OF THE ROADWAY AND STRUCK A GUARDRAIL. *BF ACCORDING TO THE POLICE REPORT, THE LUG BOLT STUDS HAD SHEARED OFF. ( OHIO TRAFFIC CRASH REPORT # 10-0679-91)*JB UPDATED 01/14/11 *BF