When you leave your vehicle, you 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 When you leave your vehicle, you should: Answers Apply the parking brake. Apply the regular brake. Leave the keys in the ignition. Explanation The parking brake should be applied when leaving your vehicle. This questions appears in the following tests: Massachusetts Class A Knowledge Test Minnesota Class A Knowledge Test Mississippi Class B Knowledge Test Tennessee Class A Knowledge Test West Virginia Class B Knowledge Test