Free CDL Quiz

What should you check regarding ABS indicator lights during the in-cab inspection?

a.ABS lights should stay on while driving
b.ABS light on the dash should come on during the bulb check at startup and then turn off
c.ABS lights should flash continuously
d.ABS lights are not important to check

Explanation

The ABS indicator light on the dashboard should illuminate briefly when you turn on the ignition as part of the bulb check, and then turn off. If the light stays on, it indicates a malfunction in the ABS system.

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About the CDL Exam

The CDL (Commercial Driver License) exam tests your knowledge of commercial driving rules, safety procedures, and vehicle operation. You must score 80% or higher to pass the written knowledge test. The exam covers general knowledge, air brakes, combination vehicles, and various endorsements.

This question is from the Class A CDL Knowledge Test #2 section. Practice with more questions from this category to build confidence before taking the official DMV test.

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