I WAS DRIVING HOME ON RESIDENTIAL STREETS WHEN THICK SMOKE STARTED BILLOWING OUT OF MY AIR CONDITIONING VENTS AND THE FRONT PASSENGER WHEEL WELL. SINCE IT IS OUT OF WARRANTY AND I DIDN'T WANT TO RISK DRIVING IT TO THE NEAREST MAZDA DEALER IS 6.5 MILES AWAY, I TOOK IT TO A MECHANIC WITHIN WALKING DISTANCE. HE DIAGNOSED THAT THE AIR COMPRESSOR SEIZED AND BEGAN MELTING TWO DRIVE BELTS. HE HAD TO REPLACE THE COMPRESSOR, 2 BELTS, REFRIGERANT, FUSE AND DRYER S (?) FOR A TOTAL ABOUT $850. NOW I AM READING OTHERS' COMPLAINTS AND SEE THAT SOMEONE WAS REIMBURSED BY MAZDA FOR THIS, AND THAT THERE ARE NUMEROUS OTHER MAZDA 3 OWNERS WHO HAVE EXPERIENCED THE SAME THING. I'M VERY CONCERNED ABOUT WHAT MAY HAVE HAPPENED IF I'D BEEN ON THE HIGHWAY. ALSO, THE SMOKE SMELLED QUITE ACRID; WAS LIKELY BREATHING IN TOXIC SUBSTANCES. IT SEEMS LIKE MAZDA SHOULD BE RECALLING THIS. I AM CONTACTING THEM TO REQUEST THAT THEY REIMBURSE MY COSTS, EVEN THOUGH I WAS UNABLE TO HAVE IT REPAIRED AT A DEALER. *TR