Texas State Inspection Practice

What is required for the vehicle's horn during inspection?

1. It must play a musical tune

2. It must be loud enough to be heard

3. It must be located on the steering wheel

4. It must be tested while moving

The correct answer is: It must be loud enough to be heard

The requirement for the vehicle’s horn during inspection is that it must be loud enough to be heard. This ensures that the horn can effectively alert other drivers, pedestrians, and cyclists in various situations, enhancing overall road safety. A horn that is too quiet may not serve its intended purpose, which is crucial for avoiding accidents and ensuring effective communication on the road. While other options may reference aspects of a horn's design or capabilities, they do not align with the primary safety and functional requirement of a vehicle's horn being audible enough to be recognized. For instance, a horn does not need to play a musical tune to be effective; it merely needs to be a sound that can alert those around it. Similarly, the positioning of the horn on the steering wheel is not a specified inspection requirement, nor is there a mandate to test it while the vehicle is in motion. The fundamental criterion is simply that the sound produced should be loud and clear enough to serve its essential function.