THE SECOND PROBLEM WITH MY 2011 MALIBU IS A HUMMING NOISE COMING FROM THE FRONT END INCREASEING IN VOLUME FROM 45MPH TO ABOUT 70MPH AND AFTER 70 MPH THE VOLUME OF THE HUM DRAMATACLLY REDUCES TO NOTHING BY 75 TO 80 MPH IADERSSED TWICE WITH MY DEALER AND BOTH TIMES THEY COULD CONVEINTLY NOT HEAR THE PROBLEM AS IN THE PREVIOUSLY REPORTED TRANS PROBLEM GM. WAS NO HELP I GUESS THE THOUGHT OF GETTING ENJOYMENT OUT OF A NEW CAR IS SADLY A THING OF THE PAST I CAN'T WAIT FOR OCTOBER OF 2013 TO DUMP THIS JUNK PILE AND MOVE AWAY FROM GM. FOR THE FIRST TIME IN MY CAR BUYING HISTORY AND SWITCH TO FORD WHO I THIND IS BUILDING A BETTER CAR