What is the primary purpose of a vehicle's brake system?

The primary purpose of a vehicle's brake system is to slow down or stop the vehicle. This safety-critical function allows drivers to control their speed effectively and bring the vehicle to a complete halt when necessary, whether in response to traffic signals, the presence of pedestrians, or potential hazards on the road. The brake system creates friction to reduce speed, ensuring that the vehicle can be brought to a stop in a safe and timely manner. This aspect of vehicle operation is essential for maintaining safety and control while driving, making it a fundamental feature of automotive design and engineering.

While other systems in the vehicle might influence fuel efficiency, acceleration, or tire pressure, they do not supersede the primary objective of the braking system, which is focused solely on deceleration and stopping.