2015 LINCOLN MKZ Fuelpropulsion System Problems

IT STARTED MONTHS AGO WITH A STRANGE HUMMING NOISE COMING FROM THE BACK OF THE CAR ON THE RIGHT SIDE ,WHERE THE GAS TANK IS. IT WOULD COME AND GO VERY COUPLE OF WEEKS. MY MECHANIC CHECKED IT OUT AND FOUND NOTHING. ONE DAY, WITH THE HUMMING SOUND VERY LOUD , THE CAR LOST POWER WHILE DRIVING, ALMOST CRASHED. HAD IT TOWED BACK TO THE MECHANIC ,WHO I TRUST AND AGAIN COULD FIND NOTHING. I CALLED A LINCOLN DEALER AND THEY KNEW NOTHING OF A GAS PUMP RECALL. MY MECHANIC LOOKED UP ON EDMONDS AND NOTICED THEIR WAS A RECALL ON FUEL PUMPS FOR THE MKC BUT MY CAR MISSED THE INCLUSION DATE BY A MONTH. SO WE REPLACED THE PUMP.$700. SEEMED TO WORK UNTIL 2 DAYS AGO WHEN I TRIED TO START THE CAR BUT COULDN'T DEPRESS THE BRAKE PEDAL BECAUSE IT WAS DOWN TO THE FLOOR AND THE...

WHILE CAR IS IN MOTION THE AIRBAG WARNING LIGHT SUDDENLY GOES ON AT THE SAME TIME THE AIR CONDITIONING GOES OFF AND WILL NOT GO BACK ON. SIMULTANEOUSLY THE RADIO AND POWER WINDOW AND POWER SEATS AND POWER MIRROR STOP WORKING. TO DATE THIS HAS HAPPEN APPROXIMATELY EIGHT TIMES.