Louisiana: Signals and vehicle controls — Part 7 Practice Test
Checking your vehicle, tires, starting and stopping, steering, signaling, safety features, seasonal care, air brakes and towing a trailer. — Part 7
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Questions are original and based on the official manual "Class D & E Driver’s Guide" (Revised August 2025 (DPSMV2052 R08/25)), Louisiana Office of Motor Vehicles.
All 36 questions in this practice test
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Which kind of vehicle load does the manual say you must not drive with?
- One that blocks your view or interferes with your control
- One that includes more than two passengers in the back seat
- One that includes any cargo carried in the trunk
- One that weighs more than 100 pounds above its empty weight
Show answer
Correct answer: One that blocks your view or interferes with your control
The manual says you must not drive a vehicle overloaded with passengers or anything that obstructs your view in any direction or interferes with your control.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 96 · Open this page in the manual (Manual page 96)
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Having non-transparent material on the front windshield or front side-windows is illegal unless what?
- It was installed by the vehicle's manufacturer
- It is prescribed by a physician
- It covers less than half of the glass
- The vehicle has two outside mirrors
Show answer
Correct answer: It is prescribed by a physician
The manual says non-transparent material on the front windshield or front side-windows is illegal unless prescribed by a physician.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 96 · Open this page in the manual (Manual page 96)
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When is riding in a house trailer not allowed?
- While it is parked on the shoulder of a highway
- Only when it is moved on an interstate highway
- While it is being moved upon a highway
- Only when it is being towed at night
Show answer
Correct answer: While it is being moved upon a highway
The manual says riding in a house trailer is not allowed while it is being moved upon a highway in this state.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 96 · Open this page in the manual (Manual page 96)
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When does Louisiana law say you must have your headlights on (low beam) in connection with windshield wipers?
- Only when the wipers are on their high speed
- When your windshield wipers are required
- Only when it is raining heavily
- Only when snow or ice is falling
Show answer
Correct answer: When your windshield wipers are required
The manual says Louisiana law requires headlights on (low beam) when your windshield wipers are required.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 97 · Open this page in the manual (Manual page 97)
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When gravel roads become extremely dusty, which headlights does the manual recommend using?
- High beam headlights
- Parking lights
- Low beam headlights
- Hazard flashers
Show answer
Correct answer: Low beam headlights
The manual recommends low beam headlights in dust to make your vehicle more visible, and also to slow down and increase your following distance.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 103 · Open this page in the manual (Manual page 103)
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What should you do when you drive in a heavy downpour or in fog?
- Slow down and use your high beam headlights
- Keep your speed and use only parking lights
- Keep your speed and turn on your low beam headlights
- Slow down and turn on your low beam headlights
Show answer
Correct answer: Slow down and turn on your low beam headlights
The manual says to slow down and turn on your low beam headlights in a heavy downpour or in fog.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 106 · Open this page in the manual (Manual page 106)
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At night, when does the manual say to use your high beams?
- Only on the interstate
- Only in fog
- Whenever there are no oncoming vehicles
- Only when following another vehicle
Show answer
Correct answer: Whenever there are no oncoming vehicles
The manual says to use your high beams whenever there are no oncoming vehicles.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 107 · Open this page in the manual (Manual page 107)
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Compared with low beams, how far do high beams let you see?
- Three times as far
- Twice as far
- One and a half times as far
- The same distance
Show answer
Correct answer: Twice as far
The manual says high beams let you see twice as far as low beams.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 107 · Open this page in the manual (Manual page 107)
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If an oncoming driver fails to dim high beams, where should you look?
- Directly at the headlights
- At the center line
- Toward the left side of the road
- Toward the right side of the road
Show answer
Correct answer: Toward the right side of the road
The manual says to look toward the right side of the road to keep from being blinded.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 107 · Open this page in the manual (Manual page 107)
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Why should you not keep your bright lights on to get back at a driver who has not dimmed?
- Both of you may be blinded, possibly causing a collision
- The other driver will be fined for not dimming first
- Your headlights may be damaged if they stay on high beam
- The other driver will dim their lights sooner if you do
Show answer
Correct answer: Both of you may be blinded, possibly causing a collision
The manual says that if you keep your bright lights on, both of you may be blinded, possibly causing a collision.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 107 · Open this page in the manual (Manual page 107)
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Which of these is a situation in which the manual says to use low beams?
- When driving alone on a dark rural road
- When no vehicles are ahead or oncoming
- When following another vehicle
- When parked at night
Show answer
Correct answer: When following another vehicle
The manual says to use low beams when following another vehicle, in heavy traffic, in fog, or when it is snowing or raining hard.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 107 · Open this page in the manual (Manual page 107)
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Why should you use low beams in fog, snow or rain?
- High beams burn out faster in rain and snow
- Light from high beams reflects back, causing glare
- Low beams light the road farther than high beams
- High beams are not allowed on state highways
Show answer
Correct answer: Light from high beams reflects back, causing glare
The manual says light from high beams will reflect back, causing glare and making it more difficult to see ahead.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 107 · Open this page in the manual (Manual page 107)
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Why should you avoid looking directly into oncoming headlights?
- It makes the other driver’s lights brighter
- It blocks your view of the road edge
- It dims your own headlights
- It can cause momentary blindness from the glare
Show answer
Correct answer: It can cause momentary blindness from the glare
The manual says looking directly into oncoming headlights can cause momentary blindness from the glare.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 107 · Open this page in the manual (Manual page 107)
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Why should you not wear sunglasses or colored glasses when driving at night or on dark days?
- They make oncoming headlights look much brighter to you
- They make your eyes adjust more slowly and can reduce vision
- They block your view of the mirrors and the dashboard
- They make dark shapes on the road look brighter
Show answer
Correct answer: They make your eyes adjust more slowly and can reduce vision
The manual says colored lenses cause your eyes to adjust even more slowly and can reduce your vision.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 107 · Open this page in the manual (Manual page 107)
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What can make a big difference to your visibility when driving at night?
- A tinted windshield
- Dark colored glasses
- A clean windshield
- Dimmed dashboard lights
Show answer
Correct answer: A clean windshield
The manual says a clean windshield can make a big difference to visibility.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 107 · Open this page in the manual (Manual page 107)
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What does ESP stand for in a vehicle?
- Electronic Stability Program
- Emergency Stopping Procedure
- Engine Speed Protection System
- Extra Steering Power
Show answer
Correct answer: Electronic Stability Program
ESP stands for Electronic Stability Program.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 116 · Open this page in the manual (Manual page 116)
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The ESP in a vehicle works in conjunction with which system?
- The cruise control system
- The power steering system
- The ABS brake system
- The air bag system
Show answer
Correct answer: The ABS brake system
Many vehicles have an ESP that works in conjunction with the ABS brake system.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 116 · Open this page in the manual (Manual page 116)
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The ESP computer compares where the driver is steering the vehicle with what?
- Where the vehicle is actually going
- How fast the engine is turning
- How much air is in the tires
- Where the nearest lane marking is located
Show answer
Correct answer: Where the vehicle is actually going
ESP electronically compares where the driver is steering with where the vehicle is actually going.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 116 · Open this page in the manual (Manual page 116)
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What does ESP do when it senses a traction problem?
- Locks all four wheels at once to bring the car to a quick and complete stop
- Raises engine speed so the car can drive out of the slide
- Turns the steering wheel for the driver to keep the lane
- Selectively applies one of the brakes to reduce the chance of a skid
Show answer
Correct answer: Selectively applies one of the brakes to reduce the chance of a skid
When ESP senses traction problems, it selectively applies any one of the vehicle brakes to reduce the possibility of a skid.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 116 · Open this page in the manual (Manual page 116)
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Under the vehicle size limits in the Class D chauffeur's license section, what is the maximum width for most vehicles?
- 7 feet
- 9 feet
- 10 feet
- 8 feet
Show answer
Correct answer: 8 feet
The maximum width is 8 feet for most vehicles, with 8 feet 6 inches allowed for buses.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 128 · Open this page in the manual (Manual page 128)
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Under the Class D chauffeur's vehicle size limits, a load on most vehicles will not project more than how far beyond the width of the body?
- 3 inches
- 12 inches
- 6 inches
- 2 feet
Show answer
Correct answer: 6 inches
For most vehicles the load will not project more than 6 inches beyond the width of the body.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 128 · Open this page in the manual (Manual page 128)
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Under the vehicle size limits in the Class D chauffeur's license section, what is the maximum width for buses?
- 8 feet 6 inches
- 8 feet
- 9 feet
- 9 feet 6 inches
Show answer
Correct answer: 8 feet 6 inches
The maximum width for buses is 8 feet 6 inches.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 128 · Open this page in the manual (Manual page 128)
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Under the vehicle size limits in the Class D chauffeur's license section, what is the maximum height for all vehicles?
- 12 feet 6 inches
- 14 feet 6 inches
- 11 feet 6 inches
- 13 feet 6 inches
Show answer
Correct answer: 13 feet 6 inches
The maximum height is 13 feet 6 inches for all vehicles.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 128 · Open this page in the manual (Manual page 128)
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Under the vehicle size limits in the Class D chauffeur's license section, what is the maximum length for any single vehicle, including the load?
- 35 feet
- 40 feet
- 45 feet
- 50 feet
Show answer
Correct answer: 40 feet
A single vehicle, including its load, may be no longer than 40 feet.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 128 · Open this page in the manual (Manual page 128)
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Under the vehicle size limits in the Class D chauffeur's license section, what is the maximum length for a truck-tractor and trailer combination?
- 65 feet
- 55 feet
- 60 feet
- 75 feet
Show answer
Correct answer: 65 feet
The maximum length for a truck-tractor and trailer combination is 65 feet.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 128 · Open this page in the manual (Manual page 128)
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Which of these is named in the Class D chauffeur's license section as not subject to the vehicle width, height and length limits?
- A passenger bus
- A tow truck
- An auto carrier
- A truck-tractor with a trailer
Show answer
Correct answer: An auto carrier
The limits do not apply to auto carriers, trailers hauling poles or pilings, or trailers hauling logs when operating during daylight hours.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 128 · Open this page in the manual (Manual page 128)
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Which statement about securing loads on a Class D chauffeur's vehicle is correct?
- Contents may shift during the trip if the load stays under the height limit
- Contents must not be allowed to drop, shift, leak or otherwise escape
- A load needs no covering when it is lower than the cab of the vehicle
- Leaks are allowed if the load is not hazardous to other motorists
Show answer
Correct answer: Contents must not be allowed to drop, shift, leak or otherwise escape
The manual says the contents of a load must not be allowed to drop, shift, leak or otherwise escape.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 128 · Open this page in the manual (Manual page 128)
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How must a load be fastened on a Class D chauffeur's vehicle?
- Loosely enough that the covering can be removed in an emergency
- Only with chains, so that a covering is never needed
- Tightly at the front only, since the rear of the load is visible
- Securely, so the covering or load does not come loose or become a hazard
Show answer
Correct answer: Securely, so the covering or load does not come loose or become a hazard
The load must be securely fastened so the covering or load does not come loose or become a hazard to other motorists.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 128 · Open this page in the manual (Manual page 128)
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On a Class D chauffeur's vehicle, a load must not extend more than how far to the front of the vehicle?
- 2 feet
- 6 feet
- 4 feet
- 10 feet
Show answer
Correct answer: 4 feet
A load must not extend more than 4 feet to the front of the vehicle.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 128 · Open this page in the manual (Manual page 128)
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On a Class D chauffeur's vehicle, a load (other than poles, pilings and logs) must not extend more than how far beyond the rear of the vehicle?
- 8 feet
- 6 feet
- 10 feet
- 12 feet
Show answer
Correct answer: 8 feet
A load must not extend more than 8 feet beyond the rear of the vehicle, except poles, pilings and logs.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 128 · Open this page in the manual (Manual page 128)
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How far beyond the rearmost part of the trailer may poles, pilings and logs project?
- 10 feet
- 12 feet
- 20 feet
- 15 feet
Show answer
Correct answer: 15 feet
Poles, pilings and logs may project 15 feet beyond the rearmost part of the trailer.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 128 · Open this page in the manual (Manual page 128)
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During daylight hours, what must be attached to the extreme rear of a load that extends four or more feet past the bed or body of a vehicle?
- A red flag 6 inches square
- A red flag 12 inches square
- A white flag 12 inches square
- An orange flag 18 inches square
Show answer
Correct answer: A red flag 12 inches square
If a load extends four or more feet past the bed or body of any vehicle, a red flag 12 inches square must be attached to the extreme rear during daylight hours.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 128 · Open this page in the manual (Manual page 128)
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How much of the red flag attached to the rear of a projecting load must be visible?
- The entire area of the flag
- At least half of the flag
- Only the top corner of the flag
- At least three quarters of the flag
Show answer
Correct answer: The entire area of the flag
The manual says the entire area of the flag must be visible.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 128 · Open this page in the manual (Manual page 128)
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At night, a red light attached to the extreme rear of a projecting load must be visible for at least how far to the sides and rear?
- 100 feet
- 300 feet
- 500 feet
- 1,000 feet
Show answer
Correct answer: 500 feet
At night, a red light must be attached to the extreme rear of the load and visible for at least 500 feet to the sides and rear.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 128 · Open this page in the manual (Manual page 128)
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How far from oncoming traffic, and how far from a vehicle being followed, must high beam headlights be dimmed under the Class D chauffeur's license section?
- 200 feet from oncoming traffic and 500 feet from a vehicle being followed
- 500 feet from oncoming traffic and 200 feet from a vehicle being followed
- 500 feet from oncoming traffic and 500 feet from a vehicle being followed
- 200 feet from oncoming traffic and 200 feet from a vehicle being followed
Show answer
Correct answer: 500 feet from oncoming traffic and 200 feet from a vehicle being followed
High beams must be dimmed no less than 500 feet from oncoming traffic and 200 feet from a vehicle being followed.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 129 · Open this page in the manual (Manual page 129)
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Which of these must you not do when going downhill in a Class D chauffeur's vehicle?
- Coast with the clutch disengaged or in neutral
- Use engine compression to slow the vehicle
- Downshift to a lower gear on a downgrade
- Stay in a lower gear while going downhill
Show answer
Correct answer: Coast with the clutch disengaged or in neutral
You must not let your vehicle coast downhill with the clutch disengaged or the gear in neutral.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 129 · Open this page in the manual (Manual page 129)