What is the primary function of the anti-lock braking system (ABS)?

The primary function of the anti-lock braking system (ABS) is to prevent wheel lock-up during braking. This is achieved through a series of sensors that monitor the speed of each wheel. When a driver applies the brakes, especially in a sudden or aggressive manner, ABS regulates brake pressure to ensure that the wheels continue to rotate instead of locking up. This allows the driver to maintain steering control during emergency braking situations, significantly enhancing vehicle stability and safety.

With a well-functioning ABS, a driver can stop more effectively on slippery surfaces, such as wet or icy roads, where traditional braking could lead to skidding or loss of control. The technology is crucial for improving overall road safety, which is particularly important in conditions that can reduce traction.

Improving fuel efficiency, enhancing engine power, and monitoring tire pressure are functions associated with other vehicle systems, but they do not pertain to the primary role of the anti-lock braking system. The main focus of ABS is squarely on braking performance and safety, making it a vital component of modern vehicles.