WE BOUGHT OUR 2009 TRAVERSE LTZ WITH TOWING PACKAGE BRAND NEW IN JULY 2009. FROM DAY ONE IT HAS ROLLED BACKWARDS WHEN IN DRIVE WHILE STOPPED AT A LIGHT, A STOP SIGN, OR PAUSING FOR TRAFFIC. ONCE, WE ROLLED BACKWARDS INTO THE CAR BEHIND US EVEN THOUGH MY FOOT WAS ON THE BRAKE. WHEN I SPOKE TO SERVICE REP AT THE DEALERSHIP, HE SAID IT WAS FINE, THAT'S WHAT THEY DID. OBVIOUSLY IT WAS A PROBLEM BECAUSE WITHIN A FEW YEARS, CHEVY MADE A BIG DEAL ABOUT THE NEW SYSTEM THAT STOPPED TRUCKS FROM ROLLING BACKWARDS WHEN STOPPED ON A HILL.