Occasional washing alone will not adequately remove some forms of contamination and polishing will be required. Polishes and waxes primarily serve the following purposes:
1. To remove minor surface imperfections caused by water spots and acid rain
2. To remove minor scratches by filling them and leveling the surface
3. To beautify the paint finish appearances with more depth and high-gloss
4. To protect the paint finish from the elements
A hand-applied polish or wax will offer outstanding performance and protection.