WHILE DRIVING TO WORK EARLY JANUARY 18,2016 MY CHECK ENGINE LIGHT AND STABILITY CONTROL LIGHT CAME ON, NOT A MINUTE LATER MY STEERING WENT OUT AND I HIT A ROAD SIGN. I HAD TURNED OFF THE TRACTION CONTROL BEFORE LEAVING MY HOUSE AS INSTRUCTED BY MY SERVICE ADVISOR AT THE CHEVY DEALERSHIP. I BELIEVE GM IS RESPONSIBLE FOR THE DAMAGE TO MY VEHICLE. TOOK MY 2011 TRAVERSE TO THE DEALERSHIP THAT SAME DAY. LIGHTS STILL ON, AND BY THE TIME I GOT IT THERE THE VEHICLE WAS SHAKING TERRIBLY, THEY DIAGNOSE IT AS THROTTLE BODY CODES PO221-PO121 & PO300. THEY FIXED THAT PROBLEM, BUT TOOK NO RESPONSIBILITY GM TO TAKE RESPONSIBILITY FOR THIS PROBLEM. I WANTED A SAFE VEHICLE FOR MYSELF AND MY FAMILY, NOW I AM NOT SURE IF IT IS SAFE EVEN WITH THE REPAIRS THAT WERE DONE.