What is a requirement for riding a motorcycle in South Carolina concerning visibility?

Using headlights at all times while riding a motorcycle in South Carolina enhances visibility and safety for both the rider and other road users. This requirement is in line with practices aimed at reducing accidents by ensuring that motorcycles are more noticeable in various driving conditions, including daylight, twilight, and inclement weather. Illumination from headlights significantly increases the chances that other drivers will see motorcyclists, which is crucial for preventing collisions.

The other options provide different perspectives on safety but do not align with South Carolina's legal requirements. For instance, wearing dark clothing or reflective gear can offer some benefits, but they are not mandated by law in the same way that using headlights is. The idea that motorcycles are exempt from visibility requirements is inaccurate because all vehicles, including motorcycles, are subject to regulations designed to ensure they can be seen on the road. Thus, the necessity for headlights to be used at all times represents a foundational safety measure that effectively supports rider visibility.