What is the primary purpose of your vehicle's mirrors?

Answer: B — To help you avoid blind spots

The primary purpose of your vehicle's mirrors is to help you avoid blind spots. This is crucial for safe driving, especially for commercial drivers who operate larger vehicles. Blind spots are areas around the vehicle that cannot be directly observed by the driver while looking forward or through the mirrors, creating potential hazards during maneuvers such as lane changes or turns. Properly adjusted mirrors provide a wider field of view, allowing drivers to see vehicles approaching from behind or in adjacent lanes, thereby enhancing safety for both the driver and other road users. While mirrors can assist in parking and may contribute to aspects of vehicle aesthetics, their main function is to aid visibility and help avoid accidents related to blind spots. Improving fuel efficiency is not a role of mirrors; instead, it's affected by other factors such as driving habits, vehicle maintenance, and aerodynamics.