MY WIFE WHO WAS 7 MONTHS PREGNANT WAS DRIVING THE VEHICLE AND THE STEERING LOCKED WHILE DRIVING ON THE HIGHWAY AT 55MPH.THANK GOD NO ONE WAS HURT, ALSO LOCKED AT LOW SPEED WHILE TURNING.WHENT TO 2 DIFFERENT CHEVY DEALERS WHO SAID THEY COULDNT FIND A PROBLEM. CONTACTED CHEVY USA WHO ADVISED ME THERE WAS THIS TYPE OF PROBLEM AND ISSUED A GM CASE# 8-1929724465. DEALER GRAND PRIZE CHEVROLET 11701 SW 152 STREET MIAMI FLORIDA IS NOW TRYING TO CHARGE ME FOR THE SOFTWARE REPAIR THAT GM SAID WOULD RESOLVE THIS HAZARDOUS DEFECT IN THEIR VEHICLE. STILL TRYING TO RESOLVE......