What Causes Cracking on Car Hood Paint?

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The only solution is to completely remove the paint by grinding down to the metal surface and then repaint. Sand the cracked area of the paint film until a complete, smooth surface is exposed, then apply a fresh coat of paint. Regular waxing is an effective way to reduce the occurrence of cracking. When cracks are still in the "budding" stage, wax can polish away the invisible micro-cracks. Below is relevant information: Paint oxidation: If the oxidation is not severe, wax can be used to remove it. If the oxidation is very noticeable and severe, grinding and polishing can improve the condition. Paint cracking: Regular waxing is an effective way to reduce the occurrence of cracking. When cracks are still in the "budding" stage, wax can polish away the invisible micro-cracks.