All ExamsOhio Driver LicenseBefore You Drive

Before You Drive — Ohio Driver License Practice Test

Before You DriveQuestion 1 of 30

48 questions in this topic · 30 drawn at random this round

What must a vehicle's service brake be able to do?

Ohio Driver Manual

All questions are based on the official Ohio Driver Manual (Digest of Ohio Motor Vehicle Laws). Study the relevant chapter to reinforce your knowledge.

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This Ohio Driver License Before You Drive practice set has 48 practice questions based on the official exam materials, each with an instant explanation. You need 75% on the real Ohio Driver License knowledge test to pass.

Topic overview

This chapter covers what to check before you ever put the car in gear: the equipment Ohio law requires (working lights, adequate tread and brakes, functioning turn signals, wipers, horn, mirrors) and how to inspect tires for safe pressure and tread depth. It also explains when headlights and turn signals must be used.

A second focus is setting yourself up correctly once you're in the seat — adjusting the seat and mirrors so you have full pedal control, a clear view, and mirrors angled to shrink blind spots rather than just show what's directly behind you. Expect questions on the reduced-blind-spot mirror technique, since it differs from the older habit of angling a mirror to see the side of your own car.

The chapter also stresses that air bags are a supplement to seat belts, not a replacement — safety belts must be worn correctly (across bony areas, not under the arm) regardless of whether the vehicle has air bags.

How is Ohio's mirror-adjustment technique different from what I might already do?

Instead of angling the side mirrors to show the edge of your own vehicle, Ohio's method has you lean toward the mirror until your own car's edge is barely visible, then adjust outward — this reduces blind spots and lets a vehicle move directly from the rear-view mirror into a side mirror's view without a gap.

Do I still need to wear a seat belt if my vehicle has air bags?

Yes — air bags are designed to work together with seat belts, not instead of them. Skipping the belt because a vehicle has air bags removes a layer of protection the manual specifically warns against.

What tire condition should I check before driving?

Check tread depth (a common method is the penny test — if you can see all of Lincoln's head, the tread is too worn) and inflate to the pressure listed on the door jamb, checked when tires are at the same temperature as the surrounding air.

Written from the official Ohio Driver Manual — Before You Drive ↗· Last checked: 2026-07-10· Reviewed by the PassPrep editorial team· How we verify →

Sample questions

Three questions from the Before You Drive bank with the correct answer and an explanation. The practice quiz above draws 30 questions at random from the same bank.

What does Ohio law say about driving a vehicle that is in an unsafe condition?
- It is prohibited to drive any vehicle in such unsafe condition as to endanger any person — Correct answer
- It is allowed if you drive slowly and carefully
- It is allowed for short distances only
- It is allowed during daytime hours
Explanation: Ohio law prohibits driving any vehicle on a highway that is in such unsafe condition as to endanger any person.
Handbook: Before You Drive — Vehicle Equipment Regulations
What does Ohio law say about protruding objects or broken sharp edges on a vehicle?
- No vehicle may have protruding objects, broken sharp edges, or parts dangerous to a person — Correct answer
- Sharp edges are allowed if covered with tape
- Protruding objects are allowed if marked with a flag
- Such parts are allowed on older vehicles only
Explanation: No vehicle may be equipped with or permitted to have protruding objects, broken sharp edges, or vehicle parts dangerous to a person coming in contact with them.
Handbook: Before You Drive — Vehicle Equipment Regulations
What is required of a vehicle's steering assembly?
- It must operate normally with no excessive play in the steering wheel — Correct answer
- Some looseness in the steering wheel is acceptable
- It only needs power steering installed
- It must turn fully without any resistance
Explanation: A vehicle's steering assembly must operate normally with no excessive play in the steering wheel.
Handbook: Before You Drive — Steering Assembly