What is the most important thing to remember while backing a car?

Answer: C — Look back carefully and yield to other vehicles and pedestrians

Looking back carefully and yielding to other vehicles and pedestrians is crucial when backing a car. This practice ensures that you have a clear view of your surroundings, allowing you to spot any obstacles, including other vehicles and pedestrians, that may be in your path. When reversing, the field of vision can be significantly limited, so turning your head to look back provides a better perspective than solely relying on mirrors. Additionally, yielding to other vehicles and pedestrians prioritizes safety, as it helps prevent accidents or collisions. This approach not only protects you but also those around you, fostering a secure environment while driving. The other options do not encapsulate this essential aspect of backing up a vehicle. Relying only on the rearview mirror can leave blind spots, keeping both hands on the steering wheel is important for control but does not address the need for awareness of surroundings, and keeping one foot on the brake might not be relevant when you're focusing on visual checks and yielding. Prioritizing awareness and yielding to others while reversing enhances overall safety on the road.