Which of the following should be done when reversing a large truck?

Answer: B — Ensure surroundings are clear and have assistance if needed

When reversing a large truck, ensuring that the surroundings are clear and having assistance if needed is critical for safe maneuvering. Large trucks have significant blind spots, making it difficult for drivers to see obstacles, pedestrians, or other vehicles behind them. By checking that the area is clear, a driver minimizes the risk of collisions. Additionally, having someone assist in directing the vehicle can provide a clearer perspective on space and surroundings, especially in tight areas. This practice significantly enhances safety during the reversing process. Relying solely on mirrors can create a false sense of security, as mirrors do not cover all blind spots. Backing up without stopping could cause loss of control and increase the risk of an accident, as the driver may not have a full understanding of the immediate environment. Using GPS for guidance is generally not applicable in the context of reversing, as GPS is designed for navigation rather than providing real-time situational awareness for reversing maneuvers.