There are two main reasons of occurrence mice in the garage. First - they are attracted by the car. The second - the garage is often used for other purposes, and you keep food there. Getting rid of mice in the garage is possible if you follow two consecutive steps: big cleaning and using natural mice repellents. Repellents are used for the garage treatment – treat all cracks and shelves, and entrance - mice will not to live there by reason of the unpleasant odor. Rodent Defense for mice is considered one of the best of this repellents - Read more about it in the How to get rid of mice.