The very first time I used the heater there was loud noise and smell. Took it to Milan, the dealership. Was told it was my fault. Told by an employee that he was the owner and it was still my fault. Told they have them brought in all the time with stuff in the heater from animals. Told them no animals get in my car or heater. Dogs in yard, no other critters. They kept arguing. I called Nissan Corp. Told them what they said, how they lied. Nissan told then to fix it at no cost to me. I told them to save the debris. It was acorns, none within miles of me and insulation from upholstery, I had none missing. They were not happy. The biggest was the money dwindle that I found. Told me they would pay off the 3 month old Versa at no cost to me. Did not pay attention. I ended up paying off both vehicles. They lied, nothing new.