A diamond-shaped sign means: Before you start the test, please answer the question below regarding your insurance status. Without insurance you will not be able to drive in Ohio Do you currently have car insurance? Yes I have insurance. Great, you're all set! Click here if you still want to compare rates. No, I need insurance and I want to compare options. Question A diamond-shaped sign means: Answers Yield. Stop. Warning. Explanation Diamond-shaped signs are used to warn drivers of special conditions or hazards ahead. They are typically yellow or orange in color. This questions appears in the following tests: Wisconsin Motorcycle Practice Test 14