Which of the following is a signaling device you must verify is working during a bus pre-trip inspection?

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APublic address (PA) intercom for passenger announcements
BDestination sign display
CHorn
DFare box receipt printer

✓ Correct answer: C. Horn The CDL manual lists the horn as a required signaling device that must be inspected and confirmed operational before every trip.

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Which of the following is a signaling device you must verify is working during a bus pre-trip inspection?

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