Question While operating a CMV: Answers You are not required to wear a safety belt. You are only required to wear a safety belt if your vehicle does not have airbags. You are required to wear a safety belt, but only if hauling more than 1,000 pounds of cargo. You are always required to wear a safety belt. Explanation A safety belt is your best defense in the event of a collision. You must always wear a safety belt while operating a CMV. Take a FREE Practice Test Now This questions appears in the following tests: Arkansas Knowledge Test Class A , North Carolina Knowledge Test Class B ,