Oklahoma: Signals and vehicle controls — Part 1 Practice Test
Questions in this part include: “Which of these lights will be inspected and must be in good working order?” · “What minimum tread depth must your tires have for the drive test?”
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Questions are original and based on the official manual "Oklahoma Driver Manual" (2025 (updated November 24, 2025)), Service Oklahoma.
All 19 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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Which of these lights will be inspected and must be in good working order?
- Fog lights
- Underbody lights
- Plate lights
- Cargo-area lights
Show answer
Correct answer: Plate lights
The inspection covers headlights, taillights, brake lights, turn signals, parking lights, plate lights and reflectors.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 12 · Open this page in the manual (Manual page 12)
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Which of these will be inspected and must be in good working order?
- Air conditioning
- Exhaust system
- Radio
- Cruise control
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Correct answer: Exhaust system
The inspected items include the exhaust system, along with the brakes, horn, tires, wipers and others.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 12 · Open this page in the manual (Manual page 12)
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Windshield and glass must be free of major cracks, chips or obstructions in the driver's line of sight, especially within which area?
- The area behind the rearview mirror
- The lower edge by the dashboard
- The top edge near the roof
- The wiper blade area
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Correct answer: The wiper blade area
Damage and obstructions are a concern in the driver's line of sight, especially in the area the wiper blades sweep.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 12 · Open this page in the manual (Manual page 12)
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A star break or impact point on the windshield that can be felt by touch will do what at inspection?
- It will not pass
- It will pass with a written warning
- It will pass if the car is under 10 years old
- It will pass as long as the wipers work
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Correct answer: It will not pass
Damage such as star breaks or impact points that can be felt by touch will not pass.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 12 · Open this page in the manual (Manual page 12)
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If a vehicle is required by federal law to have a third brake light, when must it be in working order?
- Within 30 days after the test
- Only when driving after dark
- At the time of testing
- Only if you pass the driving test
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Correct answer: At the time of testing
A required third brake light must work at the time of testing.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 12 · Open this page in the manual (Manual page 12)
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Seat belts are inspected on vehicles made after which year?
- 1955
- 1965
- 1975
- 1985
Show answer
Correct answer: 1965
The inspection list covers seat belts on vehicles after 1965.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 12 · Open this page in the manual (Manual page 12)
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Third brake lights must be working on cars made since which year?
- 1976
- 1996
- 2006
- 1986
Show answer
Correct answer: 1986
The pre-test checklist requires working third brake lights on cars since 1986.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 12 · Open this page in the manual (Manual page 12)
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Third brake lights must be working on trucks made since which year?
- 1994
- 1984
- 2004
- 1974
Show answer
Correct answer: 1994
The pre-test checklist requires working third brake lights on trucks since 1994.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 12 · Open this page in the manual (Manual page 12)
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What does the drive-test checklist say about covering a light's lens with tape?
- Clear tape is allowed on any lens, but colored tape is not
- Colored tape is allowed on any lens, but clear tape is not
- No lens may be covered by tape of any kind, colored or clear
- Tape is allowed on the rear lights only, not the front
Show answer
Correct answer: No lens may be covered by tape of any kind, colored or clear
No light lens may be covered in any way by tape, whether colored or clear.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 12 · Open this page in the manual (Manual page 12)
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What minimum tread depth must your tires have for the drive test?
- 1/32 inch
- 2/32 inch
- 4/32 inch
- 6/32 inch
Show answer
Correct answer: 2/32 inch
The checklist requires a minimum tire tread depth of 2/32 of an inch.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 12 · Open this page in the manual (Manual page 12)
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What does the drive-test checklist suggest using to check tire tread depth?
- A tire pressure gauge
- A tape measure on the sidewall
- A flashlight inspection
- The penny test
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Correct answer: The penny test
The checklist says to use the penny test to check tread depth.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 12 · Open this page in the manual (Manual page 12)
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What must not be exposed in the tread of a tire?
- Ply or cord
- The valve stem
- Sidewall lettering
- The date code
Show answer
Correct answer: Ply or cord
Tires must have no ply or cord showing in the tread, and no bulges or bumps.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 12 · Open this page in the manual (Manual page 12)
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What must tires not have, according to the drive-test checklist?
- White sidewalls
- A winter tread pattern
- Bulges or bumps
- A spare tire mounted
Show answer
Correct answer: Bulges or bumps
Tires with bulges or bumps do not meet the checklist.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 12 · Open this page in the manual (Manual page 12)
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How far away must the horn be audible?
- 50 feet
- 200 feet
- 100 feet
- 500 feet
Show answer
Correct answer: 200 feet
The checklist says the horn must be audible at 200 feet.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 12 · Open this page in the manual (Manual page 12)
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How must the front door handles operate?
- From the inside only, with normal effort
- From the outside only, with normal effort
- Only when the engine is running
- From both inside and outside with normal effort
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Correct answer: From both inside and outside with normal effort
Front door handles must work from both inside and outside with normal effort.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 12 · Open this page in the manual (Manual page 12)
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For the drive test, which mirror must a vehicle always have?
- A left outside mirror
- A right outside mirror
- A mirror on the sun visor
- A dashboard-mounted mirror
Show answer
Correct answer: A left outside mirror
A vehicle must have a left outside mirror, plus either a center inside mirror or a right outside mirror.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 12 · Open this page in the manual (Manual page 12)
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The current insurance verification form you must have for the drive test can not do what?
- List more than one vehicle
- Name a different insurance company
- Exclude the driver
- Show a policy held by a parent
Show answer
Correct answer: Exclude the driver
The insurance verification form must be current and can not exclude the driver.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 12 · Open this page in the manual (Manual page 12)
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What signal do you give when you are ready to move into the left lane to pass?
- A right turn signal
- The emergency flashers
- A left turn signal
- No signal until you are in the left lane
Show answer
Correct answer: A left turn signal
You signal for a left turn and move into the left lane when it is clear.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 35 · Open this page in the manual (Manual page 35)
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After you pull back into the right lane following a pass, what should you do with your signal?
- Leave it on until you reach the next intersection
- Turn it off once you are in the lane
- Leave it on for 100 feet after the lane change
- Switch it to the emergency flashers for a moment
Show answer
Correct answer: Turn it off once you are in the lane
The manual says to signal, pull into the right lane and turn the signal off when you are in the lane.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 35 · Open this page in the manual (Manual page 35)