Remove food wrappers and garbage!
Vacuum the carpets, consoles, and seats to guarantee that all debris is removed.
Clean the interior of the window with window cleaner to remove any stains on the window.
Get a couple of ant traps and distribute them everywhere in your automobile.
Spray insecticide on your tires to keep ants from crawling up your tires and into your car.
Set traps in your garage so ants are caught before they get to your car.
Stop eating in your car! Crumbs will attract ants.
Use natural repellents such as black pepper.