WHILE ENGAGING TO A COMPLETE STOP, BRAKE ENGAGED- AT THE RATE OF 5 MPH, THE CAR SUDDENLY SURGED FORWARD BECOMING AIRBORNE THROUGH A STORE WINDOW, LANDING HALFWAY INTO THE STORE AND THE REAR OF THE CAR HANGING IN THE AIR OUTSIDE OF THE STORE. THERE WAS NO INDICATION OF FOREWARNING, SUCH AS A JOLT OR A FEELING OF ACCELERATIONS TO THE OCCUPANTS.*AK