LTR ON BEHALF OF, WHO SUFFERED BURNS WHEN THEIR 2003 CHEVROLET TAHOE CAUGHT FIRE WHILE DRIVING; THEY DID NOT REC'D RESPONSE TO 3/23/10 LTR FWD TO NHTSA; REPLY ATTN KEITH NELSON/ROSEVILLE OFC; ES HAVE NO REC OF PREV CORRESPOND *TGW THE FAN MOTOR DID NOT SHUT OFF EVEN THOUGH THE ENGINE WAS TURNED OFF AND THE KEY WERE NOT IN THE IGNITION. *JB