OWNER WAS DRIVING VEHICLE AND ATTEMPTED TO TURN ON A/C. WHEN A/C WOULD NOT WORK PROPERLY, SHE PULLED OFF ROADWAY AND STOPPED. SMOKE AND BURNING ODOR CAME OUT OF VENTS, WITH FIRE EVENTUALLY SHOWING FROM CLIMATE CONTROL PANEL. INTERIOR OF VEHICLE WAS FULLY INVOLVED IN FIRE WHEN FD ARRIVED. ENGINE COMPARTMENT NOT INVOLVED. RADIO OPERATING PROPERLY PRIOR TO INCIDENT. NO PRIOR ISSUES WITH VEHICLE. *TR