THERE WERE NO WARNINGS OR EVENTS LEADING UP TO THE INCIDENT. NO WARNING LIGHTS, NO NOISES. WE HAD BEEN DRIVING EARLIER, BUT ONLY ABOUT 5 MILES AND THEN WE ATE DINNER, SO THE CAR RESTED. WE CAME HOME AND MY SON WAS ABOUT TO TAKE HIS YOUNG DAUGHTER HOME. MY SON WAS IN DRIVERS SEAT, I WAS PUTTING GRANDDAUGHTER IN BACK SEAT CHILD SAFETY SEAT . THEN I LEANED INTO THE PASSENGER SIDE FRONT CAB TO GRAB A COKE FROM THE CUPHOLDER. MY SON TURNED ON THE TRUCK, FORD F150 PICKUP, AND WE HEARD A BOOM. IT WAS SO LOUD THE NEIGHBORS ALL CAME OUT.-IT SOUNDED LIKE A BOMB! I WAS LACERATED ON THE HAND. MY SON WAS IN PAIN, MY GRANDDAUGHTER WAS SCREAMING, AND I WENT TO REAR CAB FROM OUTSIDE, UNSTRAPPED HER AND CARRIED HER OUT ONTO THE SIDEWALK FAR AWAY, FEARING FIRE OR EXPLOSION. MY SON WAS LACERATED ON HIS CHEST, STOMACH AND WAS DEAF IN LEFT EAR FOR MORE THAN 2 HRS. THE INSIDE LIGHTS WENT ON, AND THE CAR WAS RUNNING UNTIL WE WERE BRAVE ENOUGH TO TAKE OUT THE KEYS ABOUT 10 MINS. WE HAD TO WASH DUST OFF OF OURSELVES, THE SMOKE FILLED THE CAB. WE CALLED POLICE AND MADE REPORT AND CALLED INS. CARRIER AND MADE REPORT. TODAY WE HAD IT TOWED TO FORD DEALER. I KNOW THIS IS A FORD F150 DEFECT. IF MY SON HAD BEEN DRIVING, HE WOULD HAVE HAD A TERRIBLE ACCIDENT WITH MY 4 YR OLD GRANDDAUGHTER IN THE TRUCK. I AM GOING TO FORCE FORD TO FIX THIS AND WE ARE ALL HEARING HUMMING IN OUR EARS. THE ADJUSTER CAME OUT, GAVE US AN ESTIMATE, WE HAD THE TRUCK TOWED TO FORD DEALER. I CALLED FORD CUSTOMER SERVICE,, THEY TO