REAR SPEAKER IGNITED WHILE DRIVING. THE CAR FILLED ENTIRELY WITH BLACK, ACRID SMOKE BY THE TIME I PULLED OVER. WAS HOLDING MY BREATH WHILE BRINGING CAR TO A STOP. CAR WENT UP IN FLAMES AND IS A TOTAL LOSS. JACKSONVILLE FIRE DEPARTMENT EXTINGUISHED BLAZE, FILED CCR#29200. HAD CAR TOWED TO KEY AUDI DEALERSHIP IN JACKSONVILLE, FL FROM SCENE OF INCIDENT. WROTE AUDI OF AMERICA 3 TIMES, AND NUMEROUS PHONE CALLS. THEY REFUSED TO SEND A REPRESENTATIVE TO THE DEALERSHIP TO INVESTIGATE. *AK