If you’re driving in the rain, it’s important to keep your car clean and dry. But if you’re also trying to avoid flies, there are a few things you can do. One is to keep your windows clean and clear of any debris. This will help prevent the flies from landing on your car and getting inside. Another way to avoid flies is to use a repellent on your windshield. This will help the flies stay away from your car and its occupants.