I own a passat with the 30V V6. This winter I've had my coolant level warning light come on numerous times in the morning due to a low coolant level. When up to operating temp. my level is just below the MIN line. I changed my oil last saturday, and for the life of me, could not find a leak. I didn't notice any water in my oil when I drained it, so I don't suspect anything as serious as head gaskets. Are there any areas that the V6's are none for developing coolant leaks? I've noticed an oily film on the black coolant tube that runs into the back of the passanger side cyl. head, but I think its just oil from something above it, as it doesn't appear to be crystalized like a coolant leak usually is. I plan on taking it to the dealer for repair as it should be under warranty yet, but was just wondering. They tryed telling me they couldn't find anything last time, but my coolant level is definately low now, so its gotta be going somewhere.