Before starting a trip, you find that one of the trailer's brake lights does not come on. What should you do?
Pick an answer
Correct!
Not quite. The correct answer is highlighted.
Correct answer to question 42 (General Knowledge): Have the light fixed or replaced before driving, since other drivers rely on it to know you're slowing down
Why
A working brake light is how the driver behind you knows you're slowing down; without it, a following driver has one less warning before a sudden stop, so it needs to be fixed before the trip starts.
Updated: November 2026