VEHICLE WOULD ACCERERATE WITHOUT WARNING WHILE BRAKES APPLIED TO SLOW DOWN OR STOP. DRIVER HIT ANOTHER CAR IN THE REAR AND CAUSED $6100 IN DAMAGE. NO ONE WAS INJURED. CAR TOWED FOR DAMAGE REPAIR AND SUBSEQUENTLY TOWED FROM COLLISION SHOP TO DEALER. DEALER COULD FIND NO PROBLEM. THIS PROBLEM OCCURED 4 TIMES SINCE CAR WAS PURCHASED IN 4-03. *AK