From simple car customization ideas from antenna toppers to car accessories, to more complex customization such as tire accents and custom paint jobs, share your ideas on ways that your customers can make their car their own. Promote your own services and products along the way, too, and have fun with it! From simple car customization ideas from antenna toppers to car accessories, to more complex customization such as tire accents and custom paint jobs, share your ideas on ways that your customers can make their car their own. Promote your own services and products along the way, too, and have fun with it!