Good evening! Thank you for the opportunity to describe my request here and ask for help. Our Alhambra is from 2009. 4×4 115ps PD. Recently when the temperatures went below 0 here, a biting smoke tank has developed in the interior. For the time being, I thought it was due to the regeneration of the cat. Meanwhile, by reading a lot of things, I suspect that the additional heater causes the problem. Therefore, my questions with request for help: Why does this wind up such a gesture? k in the car and what can you do about it? I also read that a solution can be to pull fuse slot 12 to switch off the part. Thank you and LG, Martin