What additional capability do the Shampoo Services provide regarding salt?

The Shampoo Services are specifically designed to address the removal of salt from the vehicle's surface. The focus is on ensuring that salt, which can accumulate on cars during winter and cause rust or corrosion, is effectively washed away. This service employs special formulations and techniques aimed at breaking down and removing salt residues, providing a thorough cleaning that goes beyond standard washing.

Guaranteeing the removal of salt is crucial, as it emphasizes the importance of protecting vehicles from the damaging effects of salt, thus ensuring a more comprehensive cleaning experience. This not only contributes to the vehicle's aesthetics but also helps maintain its structural integrity over time.

The other options may touch on related topics concerning salt, but they do not accurately capture the primary purpose of the Shampoo Services, which is focused on removal rather than prevention, visibility enhancement, or stain treatment.