hi, new to this form,but here we go,i have a 2005 audi a3 2.0tfsi sportback. the problem i have is when the car is cold first thing in the morning etc,the electric fan come on when i start it.????? strange been looking on the web about this problem and there is a few on this issue. so i have decided to investigate after this problem has been going on for about 4 months it is my wifes car so i just left it. so i am thinking is it the radiator switch if it has one on this model or the temparature sensor, can anyone help me i return home in a weeks time from working away to tackle the job.