What is a requirement for the seat belt during a pre-trip inspection?

During a pre-trip inspection, one of the key requirements for the seat belt is that it must be secured to the cab and tight. This ensures that the seat belt is functioning properly and will provide the necessary safety in the event of an accident. A properly secured seat belt is vital for protecting the driver and any passengers by preventing excessive movement during a collision.

While the other aspects of a seat belt's condition, such as its color or material, might be relevant in other contexts, they are not primary criteria for assessing its operational readiness. The focus during a pre-trip inspection is on safety and functionality, making the security and tautness of the seat belt a critical factor. This ensures that it will be effective during use, thus minimizing the risk of injury in the event of a crash.