If using a spotter when backing, what is essential to do before starting?

Answer: B — Agree on all hand signals

Before starting to back up a vehicle with the assistance of a spotter, it is essential to agree on all hand signals to ensure clear communication. Establishing a set of standardized signals helps both the driver and the spotter stay on the same page, minimizing the risk of misunderstandings that could lead to accidents or dangerous situations. Hand signals serve as a visual method of communication that is especially important in noisy environments where verbal instructions may not be heard clearly. Understanding and agreeing upon these signals beforehand promotes safety by allowing the driver to receive precise guidance on how to maneuver the vehicle. This preparation ensures that both parties are aware of what each signal means and how to respond, leading to a coordinated and effective backing process. It is a proactive measure that enhances the overall safety of the operation.