What does parking brake mean?

[JosieLee]

Parking brake is commonly known as handbrake. Its function is to provide resistance to the car when parking, preventing the car from rolling. The parking brake, also known as the handbrake or the parking gear in automatic transmissions, locks the drive shaft or rear wheels. The force of the parking brake is much smaller than that of the service brake, just enough to ensure the car does not roll when parked on a slope. There are different types of parking brakes, such as the mechanical mechanisms operated by hand or foot as mentioned above. In addition, high-end cars are gradually adopting electronically controlled parking systems, commonly known as electronic handbrakes. The electronic parking brake system integrates the temporary braking during driving with the long-term braking after parking, and achieves parking braking through electronic control. The electronic handbrake is a technology that realizes parking braking through electronic control, and its working principle is the same as that of the mechanical handbrake, both of which achieve parking braking control through the friction generated between the brake disc and the brake pad.