The process of removing dirt, grime, and other contaminants from a vehicle's exterior surfaces. This includes washing the body, wheels, and windows, as well as detailing tasks like waxing, polishing, and tire dressing. The goal is to maintain the vehicle's appearance, protect its paint and finish from damage, and enhance its overall aesthetic appeal. Regular exterior cleaning helps prevent corrosion, preserves the vehicle's value, and ensures a clean and presentable appearance.