* update - caught, see post down below* 2nd time now my gas line has been chewed through. And the 3rd time the animal has struck. Damn the cold winter and smart animals. First time it got to the O2 sensor wire. Right now I'm leaking gas - as in a steady stream on the ground as I pull away. First time the animal used the noise-barrier foam from my hood to make insulation/bedding. Thankfully the dealer couldn't prove it was an animal and covered the fix. Anyway, it used branches to make bedding this time. It's not in there so I have not caught it. How do I prevent this in the first place? Some kind of spray that will last? Something I can put on the ground? Unfortunately no garage. There is no food source in or around the car, so I don't think it's being attracted by food... just warmth. I've seen those outdoor audio repellent devices for dogs activated by motion. I'm not sure this works for rodent-types... your thoughts?