If you find yourself with bird poop on your car, there are a few things you can do to clean it up. The first step is to get a bucket and some water. Fill the bucket halfway with water and place it near the car. Wet the bird poop with the water and use a cloth or your hands to scrub it off of the car. Be sure to work around any edges or corners that may be difficult to reach. Once the bird poop is cleaned off, pour a little bit of vinegar into the bucket and let it soak for a few minutes. Wipe down the car with a dry cloth after soaking in vinegar. ..