2 OCCURRENCES OF SUDDEN ACCELERATION. FIRST REPORTED TO GM DEALER 2/13/92. DEALER STATED DEFECTIVE ECM AND REPLACED ECM. NO PROBLEMS TILL RECENTLY. WHEN SHIFTING FROM PARK TO REVERSE CAR ACCELERATED WITH FULL RPM. CAR CRASHED INTO ROW OF TRESS, TOTALLED VEHICLE AND INJURING DRIVER. WOULD NOW LIKE TO KNOW RECOURSE WITH GM.*AK