Lights and Reflectors - ONLINE CDL SCHOOL

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Lights and Reflectors

Build confidence with 10 original questions about Lights and Reflectors. Review your answers and explanations after finishing.

Supplemental study practice. This is not a government licensing exam or ELDT certification, and does not replace hands-on training. Follow your state’s current handbook.

1 / 10

During your pre-trip inspection, you notice the left rear turn signal is not working. What should you do before starting your trip?

Repair or replace the turn signal before operating the vehicle

Drive carefully and use hand signals instead

Ignore it if you are not planning to turn left

Only use the right turn signal for all turns

2 / 10

You are inspecting a school bus and activate the stop arm. What should you check to ensure it is working properly?

That the stop arm is only visible from inside the bus

That the stop arm is painted the correct color

That the stop arm retracts automatically when the bus is moving

That the stop arm extends fully and its lights and dash indicator are operational

3 / 10

While checking your vehicle’s brake lights, you notice they do not turn off when the brakes are released. What should you do?

Continue driving and report the issue at the end of your shift

Only use the brakes when absolutely necessary

Drive with the lights on to alert other drivers

Have the brake light system repaired before driving

4 / 10

During a pre-trip inspection, you find a light lens on the rear of your trailer is cracked and missing a piece. What should you do?

Tape over the crack as a temporary fix

Ignore it if the bulb still works

Only drive during daylight hours

Replace the damaged lens before operating the vehicle

5 / 10

You are inspecting the side marker lights on your vehicle. What color should the rear side marker lights be?

Amber

White

Red

Blue

6 / 10

When inspecting the front of your vehicle, what should you check about the light lenses?

They are only present on the driver's side

They are the correct color, clean, not broken, and not missing

They are tinted to reduce glare

They are shiny and free of fingerprints

7 / 10

During your pre-trip, you ask the examiner to help check external lights. What must you do to get credit for the inspection?

Check the lights from inside the cab only

Only check the lights you think are most important

Direct the examiner to each light as you activate it from inside the vehicle

Let the examiner check lights in any order they choose

8 / 10

While checking your trailer during a walkaround, you see a rear reflector is missing. What is the correct action?

Cover the area with tape as a temporary fix

Replace the missing reflector before driving

Continue your trip and replace it at the next stop

Ignore it if the lights are working

9 / 10

You are inspecting a school bus and activate the student loading lights. What must you check regarding these lights?

That both amber and red lights on the front and rear are working and not broken

That the lights are flashing at the same time

That only the front lights are working

That the lights are visible from inside the bus only

10 / 10

You are inspecting a school bus and notice the strobe light is not working. What should you do?

Cover the strobe light with tape

Have the strobe light repaired before operating the bus

Ignore it if the red lights are working

Drive only during daylight hours

Your score is

The average score is 0%

About the Lights and Reflectors practice quiz

This practice quiz focuses on Lights and Reflectors, listed under CDL Practice — Pre-Trip Inspection. Use it to check what you understand, spot topics to revisit, and connect the material to safe, informed decisions on the road.

Before you begin

Keep your current CDL manual or course notes nearby. Read each prompt carefully and think through why an answer fits, especially when a question describes a vehicle, road, or workplace situation. Licensing rules and procedures can vary, so confirm requirements with current official materials for your state.

After you finish

Review any explanations shown with your results. Note unfamiliar terms or missed concepts, then revisit your manual or course notes before trying again. Use your score to guide study; understanding why an answer is correct matters more than the number alone.

Study note: These quizzes are independent study practice. They are not state licensing exams, official government materials, or ELDT certification, and they do not replace required training.

Explore CDL Tests to find more practice by subject.