ENTERED CAR FROM PASSANGER/FRONT WITH FEET STILL ON THE GROUND. REACHED OVER AND STARTED CAR TO WARM IT UP. CAR LOOK OFF AT A VERY HIGH RATE OF SPEED DRAGGING ME THEN CRASHING INTO THE GARAGE. MY THREE YEAR OLD SON THAT WAS STANDING OUTSIDE OF THE CAR STATES THAT IT WENT BACKWARDS A TINY BIT AND THEN FORWARDS REALY FAST WHILE DRAGGING HIS SCREAMING MOM. THIS ALL HAPPENED WITH-IN A SECOND OR TWO.*AK