Alaska: Signals and vehicle controls — Part 3 Practice Test
Questions in this part include: “What does the manual say to ask a service station attendant to avoid using on your windshield?” · “What must the emergency or parking brake be able to do?”
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Questions are original and based on the official manual "Alaska Driver Manual" (Revised October 2025), Alaska Department of Administration, Division of Motor Vehicles (DMV).
All 20 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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What does the manual say to ask a service station attendant to avoid using on your windshield?
- Washer fluid
- A squeegee
- An oily cloth
- A wet sponge
Show answer
Correct answer: An oily cloth
The manual says to request that the attendant refrain from using an oily cloth on the windshield.
Source: Alaska Driver Manual (Revised October 2025), page 59 · Open this page in the manual (Manual page 59 · PDF 71)
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When does the manual say you should especially clean your lights often?
- After a sunny spell
- Only before a long trip
- After the first snowfall
- After a rainy spell
Show answer
Correct answer: After a rainy spell
The manual says to clean lights often, especially after a rainy spell.
Source: Alaska Driver Manual (Revised October 2025), page 59 · Open this page in the manual (Manual page 59 · PDF 71)
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Why does the manual say to keep your fuel tank full in cold weather?
- To keep the engine from overheating on cold mornings
- To prevent moisture condensation in the fuel tank
- To give the tires extra weight for better grip on ice
- To prevent the fuel lines from cracking in freezing air
Show answer
Correct answer: To prevent moisture condensation in the fuel tank
The manual says to keep the fuel tank full in cold weather to prevent moisture condensation in the fuel tank.
Source: Alaska Driver Manual (Revised October 2025), page 59 · Open this page in the manual (Manual page 59 · PDF 71)
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According to the required equipment list, which seating positions should have safety/seat belts?
- The front seats only
- All seating positions
- The driver seat only
- Seats used by adults only
Show answer
Correct answer: All seating positions
The manual says all seating positions should have safety/seat belts.
Source: Alaska Driver Manual (Revised October 2025), page 68 · Open this page in the manual (Manual page 68)
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How many headlights are required, and where?
- One in the center of the front
- At least four, two on each side
- Two, one on the front and one on the rear
- At least two, one on each side of the front
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Correct answer: At least two, one on each side of the front
The manual requires at least two headlights, one on each side on the front.
Source: Alaska Driver Manual (Revised October 2025), page 68 · Open this page in the manual (Manual page 68)
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What is the required number and color of taillights?
- One red light on the rear
- At least two white lights on the rear
- Two amber lights on each side
- At least two red lights on the rear
Show answer
Correct answer: At least two red lights on the rear
The manual requires at least two red taillights on the rear, and both must be working.
Source: Alaska Driver Manual (Revised October 2025), page 68 · Open this page in the manual (Manual page 68)
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When must the required brake lights work?
- Whenever the engine is running
- Only when the foot brake is applied
- Whenever the headlights are on
- Only when the parking brake is set
Show answer
Correct answer: Only when the foot brake is applied
The manual says the two brake lights shall only work when the foot brake is applied.
Source: Alaska Driver Manual (Revised October 2025), page 68 · Open this page in the manual (Manual page 68)
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A white light must illuminate the rear license plate so that numbers are visible for at least how far?
- 25 feet
- 100 feet
- 50 feet
- 200 feet
Show answer
Correct answer: 50 feet
The manual requires the license plate light to make numbers visible for at least 50 ft., if equipped.
Source: Alaska Driver Manual (Revised October 2025), page 68 · Open this page in the manual (Manual page 68)
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What color must the light that illuminates the rear license plate be?
- White
- Red
- Amber
- Blue
Show answer
Correct answer: White
The manual says a white light must illuminate the rear license plate.
Source: Alaska Driver Manual (Revised October 2025), page 68 · Open this page in the manual (Manual page 68)
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What does the manual say about turn signals?
- They are needed only on vehicles over a certain size
- All vehicles must have them and they must be in working order
- They are optional if you use hand signals
- Only the rear signals must work
Show answer
Correct answer: All vehicles must have them and they must be in working order
The manual says all vehicles must be equipped with directional signals in working order.
Source: Alaska Driver Manual (Revised October 2025), page 68 · Open this page in the manual (Manual page 68)
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The foot brake must be adequate to stop a passenger vehicle within how many feet at 20 miles per hour?
- 15 feet
- 40 feet
- 60 feet
- 25 feet
Show answer
Correct answer: 25 feet
The manual says the foot brake must stop a passenger vehicle within 25 feet at a speed of 20 miles per hour.
Source: Alaska Driver Manual (Revised October 2025), page 68 · Open this page in the manual (Manual page 68)
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What must the emergency or parking brake be able to do?
- Hold the vehicle stationary on any grade
- Stop the vehicle from any speed
- Work only on level ground or flat roads
- Slow the vehicle on icy roads only
Show answer
Correct answer: Hold the vehicle stationary on any grade
The manual says the emergency or parking brake must be adequate to hold the vehicle stationary on any grade.
Source: Alaska Driver Manual (Revised October 2025), page 68 · Open this page in the manual (Manual page 68)
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What must a vehicle display on the rear, according to the required equipment list?
- Two plates, one on each side
- A single plate with year tab only
- A single plate with month and year tabs
- No plate if the front plate is displayed
Show answer
Correct answer: A single plate with month and year tabs
The manual requires a single license plate with month and year tabs displayed on the rear.
Source: Alaska Driver Manual (Revised October 2025), page 68 · Open this page in the manual (Manual page 68)
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What does the manual say about window tinting?
- It may not exceed the percent allowed by law
- It is never allowed
- It is allowed on the windshield without limit
- It is allowed only on the rear window
Show answer
Correct answer: It may not exceed the percent allowed by law
The manual says tinting may not exceed the percent allowed by law.
Source: Alaska Driver Manual (Revised October 2025), page 68 · Open this page in the manual (Manual page 68)
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Which devices are required for cleaning rain, snow, etc., from the windshield?
- Mud flaps and fenders on each wheel
- A washer fluid tank with no wipers
- Windshield wipers and a defroster
- A snow brush and a frost scraper
Show answer
Correct answer: Windshield wipers and a defroster
The manual requires windshield wipers and a defroster.
Source: Alaska Driver Manual (Revised October 2025), page 68 · Open this page in the manual (Manual page 68)
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What kind of glass must all original and replacement glass be?
- Tempered tinted glass
- Safety glass
- Laminated plastic only
- Any clear glass
Show answer
Correct answer: Safety glass
The manual says all original and replacement glass must be safety glass.
Source: Alaska Driver Manual (Revised October 2025), page 68 · Open this page in the manual (Manual page 68)
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A vehicle’s horn must be capable of emitting a sound audible under normal conditions from not less than how far?
- 100 feet
- 300 feet
- 500 feet
- 200 feet
Show answer
Correct answer: 200 feet
The manual says the horn must be audible from not less than 200 feet under normal conditions.
Source: Alaska Driver Manual (Revised October 2025), page 68 · Open this page in the manual (Manual page 68)
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What does the manual say about devices that make an unusually loud sound or whistle?
- They are allowed on trucks
- They are allowed in an emergency only
- They are allowed if the horn also works
- No device shall emit one
Show answer
Correct answer: No device shall emit one
The manual says no device shall emit an unusually loud sound or whistle.
Source: Alaska Driver Manual (Revised October 2025), page 68 · Open this page in the manual (Manual page 68)
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Which mirrors does the manual require on a vehicle?
- A right side mirror and no other mirrors
- A left side mirror and an inside or right one
- A left side mirror and no other mirrors
- An inside mirror and no outside mirror
Show answer
Correct answer: A left side mirror and an inside or right one
The manual requires a left side mirror and an inside or right mirror.
Source: Alaska Driver Manual (Revised October 2025), page 68 · Open this page in the manual (Manual page 68)
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Which vehicles are required to have mirrors on both the left and right side?
- Passenger cars with automatic transmissions
- Vehicles that have no trunk or cargo area
- Buses and vehicles with an obstructed rear view
- Vehicles with tinted side windows only
Show answer
Correct answer: Buses and vehicles with an obstructed rear view
The manual requires left and right mirrors on buses and on vehicles whose view through the rear window is obstructed.
Source: Alaska Driver Manual (Revised October 2025), page 68 · Open this page in the manual (Manual page 68)