Ohio: Signals & vehicle controls — Part 1 Practice Test
Questions in this part include: “Under Ohio law, no person shall drive a vehicle on any highway that is in such unsafe condition as to do what?” · “From what distance must the two red stop lights (brake lights) be visible when the brakes are applied?”
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Questions are original and based on the official manual "Ohio Driver Manual" (HSY 7607 10/25 (October 2025)), Ohio Bureau of Motor Vehicles.
All 18 questions in this practice test
Take the test above first, then use this list to study. Tap “Show answer” to see the correct answer and explanation.
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Under Ohio law, no person shall drive a vehicle on any highway that is in such unsafe condition as to do what?
- Reduce fuel economy
- Cause excessive noise
- Endanger any person
- Fail a yearly inspection
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Correct answer: Endanger any person
The law quoted in the manual bars driving a vehicle in such unsafe condition as to endanger any person.
Source: Ohio Driver Manual (HSY 7607 10/25 (October 2025)), page 4
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Which of the following may a vehicle NOT be equipped with or permitted to have?
- Two red reflectors on the rear
- Protruding objects or broken sharp edges
- A horn audible from 200 feet
- A parking brake that holds on a grade
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Correct answer: Protruding objects or broken sharp edges
The manual says no vehicle is to have protruding objects, broken sharp edges, or parts dangerous to a person coming in contact with them.
Source: Ohio Driver Manual (HSY 7607 10/25 (October 2025)), page 4
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What should the steering assembly of an average motor vehicle do?
- Lock in place whenever the engine is turned off
- Turn the wheels with some play for driver comfort
- Return automatically to center at every speed
- Operate normally with no excessive play
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Correct answer: Operate normally with no excessive play
The manual lists a steering assembly that operates normally with no excessive play in the wheel.
Source: Ohio Driver Manual (HSY 7607 10/25 (October 2025)), page 4
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According to the vehicle equipment list, what is the minimum tire tread depth?
- 1/16 inch
- 1/4 inch
- 1/8 inch
- 1/32 inch
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Correct answer: 1/16 inch
The manual lists tires with a minimum of 1/16-inch tread depth.
Source: Ohio Driver Manual (HSY 7607 10/25 (October 2025)), page 4
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What must the service brake be adequate to do?
- Hold the vehicle still on a steep grade
- Slow, stop, and control the vehicle
- Lock the rear wheels only in an emergency
- Warn the driver when the pads are worn
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Correct answer: Slow, stop, and control the vehicle
The manual says the service brake must be adequate to slow, stop, and control the vehicle.
Source: Ohio Driver Manual (HSY 7607 10/25 (October 2025)), page 4
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What must the parking brake be adequate to do?
- Stop the vehicle from highway speed
- Slow the vehicle on wet pavement
- Keep the wheels turned toward the curb
- Hold the vehicle on a grade
Show answer
Correct answer: Hold the vehicle on a grade
The manual says the parking brake must be adequate to hold the vehicle on a grade.
Source: Ohio Driver Manual (HSY 7607 10/25 (October 2025)), page 4
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How many headlights should a vehicle have in working order?
- Two, one on each side
- One, centered on the front
- Two, both on the driver side
- Four, two on each side
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Correct answer: Two, one on each side
The manual lists two headlights, one on each side, in working order.
Source: Ohio Driver Manual (HSY 7607 10/25 (October 2025)), page 4
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From what distance must the two red reflectors on the rear of the vehicle be visible?
- 50 feet
- 200 feet
- 300 feet
- 500 feet
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Correct answer: 300 feet
The manual says the two red rear reflectors must be visible from 300 feet.
Source: Ohio Driver Manual (HSY 7607 10/25 (October 2025)), page 4
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From what distance must the taillight that emits red light be visible?
- 100 feet
- 500 feet
- 300 feet
- 1,000 feet
Show answer
Correct answer: 500 feet
The manual says the taillight must be visible from 500 feet.
Source: Ohio Driver Manual (HSY 7607 10/25 (October 2025)), page 4
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From what distance must the two red stop lights (brake lights) be visible when the brakes are applied?
- 50 feet
- 200 feet
- 300 feet
- 500 feet
Show answer
Correct answer: 500 feet
The manual says the stop lights must be visible from 500 feet when the brakes are applied.
Source: Ohio Driver Manual (HSY 7607 10/25 (October 2025)), page 4
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From what distance must the white light that illuminates the rear license plate be visible?
- 50 feet
- 100 feet
- 200 feet
- 500 feet
Show answer
Correct answer: 50 feet
The manual says the white license plate light must be visible from 50 feet.
Source: Ohio Driver Manual (HSY 7607 10/25 (October 2025)), page 4
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How many turn signals should a vehicle have, and from what distance must they be visible?
- One at the front and one at the rear, visible from 300 feet
- Two at the front and two at the rear, visible from 500 feet
- Two at the front and two at the rear, visible from 300 feet
- Two at the rear only, visible from 200 feet
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Correct answer: Two at the front and two at the rear, visible from 300 feet
The manual lists turn signals in working order, visible from 300 feet, two at the front and two at the rear.
Source: Ohio Driver Manual (HSY 7607 10/25 (October 2025)), page 4
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What must the windshield wipers be able to do?
- Clean the rear window and the side mirrors
- Clear precipitation from the windshield
- Operate at three different speeds
- Wash dirt from the headlights as well
Show answer
Correct answer: Clear precipitation from the windshield
The manual says windshield wipers must be in good working condition, able to clear precipitation from the windshield.
Source: Ohio Driver Manual (HSY 7607 10/25 (October 2025)), page 4
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What must the rear-view mirror provide?
- A clear view of both sides of the vehicle
- A tinted view that reduces headlight glare
- A full view of the trunk area behind you
- An unobstructed view to the rear of the vehicle
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Correct answer: An unobstructed view to the rear of the vehicle
The manual says the rear-view mirror must provide an unobstructed view to the rear.
Source: Ohio Driver Manual (HSY 7607 10/25 (October 2025)), page 4
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From what distance must the horn be audible?
- 200 feet
- 50 feet
- 100 feet
- 500 feet
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Correct answer: 200 feet
The manual says the horn must be audible from 200 feet and identifiable as a motor vehicle horn.
Source: Ohio Driver Manual (HSY 7607 10/25 (October 2025)), page 4
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What is the required condition of a vehicle’s exhaust system?
- Quiet enough that it cannot be heard at 50 feet
- Replaced every year
- In good working order and constant operation
- Fitted with a visible tailpipe extension
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Correct answer: In good working order and constant operation
The manual lists an exhaust system in good working order and constant operation.
Source: Ohio Driver Manual (HSY 7607 10/25 (October 2025)), page 4
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What light transmission percentage is required for the windshield?
- 50%
- 70%
- 60%
- 80%
Show answer
Correct answer: 70%
The manual lists windshield light transmission of 70%.
Source: Ohio Driver Manual (HSY 7607 10/25 (October 2025)), page 4
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What light transmission applies to the side windows of the front seat?
- 70%, plus or minus 3%
- 35%, plus or minus 5%
- 60%, plus or minus 10%
- 50%, plus or minus 3%
Show answer
Correct answer: 50%, plus or minus 3%
The manual lists front side windows at 50% light transmission, plus or minus 3%.
Source: Ohio Driver Manual (HSY 7607 10/25 (October 2025)), page 4