Under what condition can someone back up without wearing a seat belt?

The correct answer is that someone can back up without wearing a seat belt when reversing only. This is grounded in the understanding that the rules regarding seat belt use can differ based on specific driving situations. When a vehicle is in reverse and moving only a short distance, the law may allow for an exception since the driver is likely to be more attentive and their field of view is more restricted.

This provision recognizes that the speed of travel and the awareness required in short-distance maneuvers like backing up can create different safety considerations than those present during normal driving conditions. It is essential for drivers to still prioritize safety, however, and whenever possible, wear a seat belt to help protect against unforeseen circumstances, even when the law provides an exception for reversing.

Other choices do not correctly reflect conditions under which one can legally skip wearing a seat belt while backing up. For example, backing up in a driveway or with a passenger present does not inherently provide any exemptions from wearing a seat belt. Additionally, maintaining a speed limit does not create conditions that would exempt the necessity of wearing a seat belt. Thus, the specific context of backing up only is what justifies this exception.