Commercial Driver's License

Category - Inspections

When performing a pre-trip inspection, drivers are required:
  1. To check the horn
  2. Not to check the horn
  3. It is up to the driver.
  4. It is up to the test examiner.
Explanation
Answer: A - When performing a pre-trip inspection, for the CDL test or otherwise, drivers are required to ensure that the vehicle horn works properly. While this check may seem small and insignificant, having a properly working horn is essential for safe driving. This is especially true for those times when drivers must back up their vehicle, as sounding the horn is a universal signal for this potentially hazardous task.
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