Mirrors should: 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 Mirrors should: Answers Not be used, except when backing. Be used only when entering a highway. Be used regularly. Explanation It is important to check your mirrors regularly when driving, both to be aware of other traffic and to observe problems that may arise on your own vehicle. This questions appears in the following tests: Virginia Class A Knowledge Test