Mazda 6 for sale. Car is driving very well. Air conditioning system serviced 3 months ago. Brake pads changed 4 months ago in the same time with full service. Passager side mirror is not working. Sometimes some lights are on in dashboard. I don't know the reason. I was to my mecanic and he said can be a dpf problem another one tell me is a senzor problem another one tell me is electric problem. Car is not smoking and engine song's very good. Still I am driving the car . But I bought a new Kia. Sold for spare.