Hi alltogether, i own a 307 SW. This car has got a line which indicates the amount of oil, which is in the car. This indikator in my car shows every amount of oil, but seldom the right one. My garage can´t fix the problem. Twice the electric parts of the car were changed. Does anyone knows, where the problem is and how it could be fixed? Greetings to all of you Ulf (Germany)