Why should a driver be aware of their vehicle's blind spots?

Being aware of a vehicle's blind spots is crucial for ensuring safe lane changes and merging. Blind spots are areas around a vehicle that cannot be directly observed by the driver while looking either in the rearview or side mirrors. When a driver is planning to change lanes or merge into traffic, failing to check these blind spots can lead to dangerous collisions with other vehicles or obstacles that may not be visible.

By understanding and monitoring blind spots, drivers can effectively assess their surroundings and make informed decisions to avoid accidents. This is essential not only for the safety of the driver but also for the safety of other road users. Awareness in this context enhances overall defensive driving habits, allowing for proactive measures to prevent potential hazards on the road.

The other options relate to performance enhancements or fuel efficiency, which, while important, do not address the safety implications associated with blind spots and their impact on driving behavior.