When operating a truck requiring a CDL: Do you currently have car insurance? Insurance is mandatory to drive in Ohio Yes I have insurance. But please show me your best quotes. No, please help me find the best insurance. Question When operating a truck requiring a CDL: Answers You do not need to wear a seat belt. You are required to wear a seat belt, but only if driving a tank trailer. You must always wear a seat belt. Explanation A driver's seat should always be equipped with a seat belt. You must wear a seat belt at all times while operating a CMV.