Before starting down a hill: 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 Before starting down a hill: Answers Your vehicle's speed should be increased. Your vehicle's speed should be decreased. The emergency brake should be applied. Explanation To counteract the force of gravity, you should always slow down and shift into a lower gear before starting down a hill.