Assuming you would like tips on how to keep birds from pooping on your car:
One way to try to keep birds from pooping on your car is to keep your car clean. If birds see a clean car they may be less likely to poop on it. Another way to keep birds from pooping on your car is to keep your windows up. If birds see that your windows are up they may be less likely to fly over to your car and poop on it. You could also try parking your car in a garage or under a tree so that birds are less likely to fly over to your car and poop on it.
If you have a bird problem and you have tried these tips and nothing has worked you may want to try a bird repellent. There are many different types of bird repellents on the market so you will need to do some research to find the repellent that is right for you. Some bird repellents are visual others are auditory and others are olfactory. Some bird repellents are made to keep birds away from your car while others are made to keep birds away from your home.
If you have tried everything and you are still having a problem with birds pooping on your car you may want to consult with a professional. There are many companies that specialize in bird control. These companies can help you to find the best solution for your problem.