Ohio Driver's Handbook, Section 2: Before You Drive

Required equipment, tires, when to use your lights, seat and mirror adjustment, and safety belts.

Key rules

1. Tires need at least 1/16 inch of tread (penny test); studded tires are legal from November 1 to April 15. handbook
2. The horn must be heard at 200 feet and brake lights seen at 500 feet; the windshield must pass 70% of light. handbook
3. Headlights from sunset to sunrise, in poor visibility and whenever wipers are on for rain or snow. handbook
4. Sit at least 10 inches from the wheel and set the head restraint at the back of your head. handbook
5. Driver and front-seat occupants must wear belts; with a driver under 18, everyone, and no more people than belts. handbook