What is a crucial role of an Army Driver in maintaining vehicle safety?

Ensuring that all passengers are wearing seatbelts is a fundamental aspect of vehicle safety, especially for an Army Driver. Seatbelts are designed to protect occupants in the event of an accident by preventing them from being thrown from the vehicle or colliding with the interior. This responsibility not only complies with safety regulations but also contributes significantly to reducing the risk of injury during transportation.

While the other options may have their own importance, they do not directly impact the immediate safety of passengers in the same way that seatbelt use does. For instance, keeping personal items out of the front seat is certainly a good practice to avoid distractions, but it doesn't directly protect passengers. Similarly, adhering to a strict driving schedule and using GPS for navigation are operational tasks that support the driver’s efficiency and logistics but do not address the critical safety measures necessary for protecting passengers during travels.