BUICK/CHEVROLET: WHILE DRIVING ON A STRAIGHT ROAD OR MAKING EITHER A LEFT OR RIGHT TURN, THERE WOULD HUMMING OR BUZZING NOISE COMING FROM RIGHT FRONT BRAKE ASSIST. MODELS 20132-13 BUICK LACROSS/REGAL EASSIST; CHEVROLET MAILBU ECO EASSIST. *PE UPDATED 1/8/14. *PE
