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Hello everyone, I'm new to the forum and Polo ownership, well actually its my daughters car, the problem is that if the car is left parked for a week the battery goes flat enough to not start, I've checked the current draw at the battery which is too high, 0.1 amps, and narrowed it down to the circuit protected by fuse 30 which is for the "Onboard supply control unit". Now I've read another thread on the internet that suggested a car with exactly the same symptom and the author wrote that the cause was that the control unit had been programmed for rain sensitive wipers and that he had cured it! I can't see that he mentioned exactly what cured it, my assumption is that the car was plugged into VCDS and reprogrammed or the unit was swapped for a different one. Does this sound plausible and if so how do I go about finding out if my daughters car has the same problem without VCDS? If not can anyone shed anymore light on the subject ? Sorry forgot to mention its a 2003 1.2 petrol with 125000 miles under its belt! Thanks in advance Doug.