CarPro Tar X - Tar & Bug Remover 500 ml Powered by natural citrus solvents! CarPro Tar X is a heavy duty cleanser! In addition to bug, tar and adhesive removal, it makes an excellent parts and equipment cleaner. CarPro Tar X features what they call "glow color tracer." When Tar X is applied generously, it glows on dark or black cars. The visibility makes it easy to remove all of Tar X when rinsing. Tar X washes off easily with water.