ON THE DAY OF APRIL 22, 2015, WHILE DRIVING MY CAR(2007 MAZDA CX-7) OFF A FREEWAY RAMP, THE CAR BEGAN TO RATTLE AS IF IT WAS BEING PUSHED BY A WIND. I SMELLED SMOKE COMING FROM THE INSIDE COMPARTMENT OF THE CABIN AREA OF THE CAR. I ATTEMPTED TO APPLY THE BRAKES BUT THE CAR WON'T STOP! FLAMES WAS COMING FROM THE CAR AND THAT'S WHEN THE CAR FINALLY STOP. THERE WAS A CAR IN FRONT OF ME THAT I THOUGHT THAT I WAS GOING TO ALMOST CAUSE A MAJOR ACCIDENT ON THE OFF RAMP OF THE FREEWAY. THE MECHANIC CHECKED THE ENGINE AND STATED THAT THE ENGINE LOCKED UP WHICH CAUSED A LOW COMPRESSION TO THE ENGINE CAUSING THE VVT BELT TIMING TO DAMAGE THE VALVES IN THE ENGINE. I CHANGED THE OIL IN THE VEHICLE, AND HAVE THE VEHICLE SERVED ON A REGULAR BASIS, BUT NEVER HAD ANY PROBLEMS LIKE THAT. I DID RESEARCH ON THIS VEHICLE AND FOUND OUT THAT THIS IS AN ONGOING PROBLEM WITH OTHER OWNERS OF THIS VEHICLE ACROSS THE COUNTRY. THERE NEEDS TO BE A INVESTIGATION, REIMBURSEMENT, RETRIBUTION, AND RECALL ORDERS DISPERSED OUT TO OWNERS OF THE CX-7 MODEL FROM 2007 TO 2012 SO THAT MAZDA CAN REDEEM THEIR QUALITY OF SERVICE AND REPUTATION.