THE CAR WAS INSIDE AN ATTACHED GARAGE WITH CHILDREN BUCKLED INTO THEIR CARSEATS. MY HUSBAND WAS IN THE DRIVER SEAT. I WAS STANDING OUTSIDE THE CAR WAVING BYE TO THE KIDS. WHEN MY HUSBAND STARTED THE CAR, WE HEARD AN ODD SOUND, THEN SAW SMOKE AND FLAME COMING FROM BETWEEN THE CARSEATS. WE GOT THE KIDS OUT, AND I CALLED 911 WHILE MY HUSBAND POPPED THE TRUNK AND PUT THE GARDEN HOSE ON THE FLAMES. THE HYBRID BATTERY WAS ON FIRE. WHEN FIREFIGHTERS ARRIVED, THEY SPRAYED FIRE RETARDANT FOAM ON THE CAR AND PUSHED IT OUT OF THE GARAGE. THE FIRE BURNED THROUGH THE BACK SEAT ON THE PASSENGER SIDE. THE CARSEAT MY SON HAD BEEN SITTING IN WAS BURNED THROUGH AS WELL.