What should you check before making a turn in a large vehicle?

Answer: B — Blind spots and signal well in advance

Before making a turn in a large vehicle, it is essential to check blind spots and signal well in advance. Large vehicles have significant blind spots that can obscure the presence of nearby cars, pedestrians, or cyclists. By checking these blind spots, the driver ensures that the path is clear and safe for making a turn. Additionally, signaling well in advance is critical for communicating intentions to other road users. This practice allows other drivers to anticipate the turn and adjust their speed or position if necessary, thus enhancing safety for everyone on the road. Traffic lights, rearview mirrors, and speed limit signs are important in their own contexts; however, they do not specifically address the unique challenges associated with turning in large vehicles. Recognizing blind spots and signaling appropriately are pivotal actions that aid in preventing accidents and ensuring the maneuver is executed safely.