THE VEHICLE WAS PARKED. AS THE IGNITION WAS ACTIVATED WITH FOOT ON BRAKE THE VEHICLE ACCELERATED AT A HIGH SPEED WHEN PUT INTO REVERSE. APPLYING THE BRAKES DID NOT STOP THE VEHICLE. THE VEHICLE HIT 2 OTHER VEHICLES AT SPEED CAUSING DMAGE TO BOTH AND INJURY TO THE DRIVER. I AHVE NOTE APPROXIMATELY 50 OTHER SIMILAR CAES REPORTED FOR 1995 GRAND CHEROKEES IN THE NHTSA COMPLAINT DATABASE.