ouch… I drive my car alot now so i dont think they get time to get their loans approved before they are evicted in any number of unpleasant ways. There are a few ways I have read about though, from collector car magazines where the people are really intense about keeping mice away. one person described large plastic bubbles that can go over the car, which sounds a bit extreme to me. a more reasonable and interesting method that someone mentioned was to leave a few paper towels around the car, in the areas most sensitive to mouse damage (under seats, under the hood, on the dash or seating surfaces, etc.). This serves a dual purpose; you can periodically check the towels to see if they are disturbed or missing, as a mouse will very likely grab the easiest building material possible, and there is little easier than paper towel. Then, at least you know you have new tenants and it is time to get the papers moving for an eviction. The paper towels also give the mice something to build with that isn’t your car, giving you more time to detect them and possibly providing them with enough ‘stuff’ so that they don’t decide to get into the auto dismantling business. Another approach would be mouse traps, but a word of advice if you use humane traps, do not release the mice anywhere near your house or car, they are good at finding the nearest potential home. best approach is to drop them off at your least favorite neighbor’s house.