What is the Principle of Auto Hold?

1 Answers
GabrielaFitz
07/29/25 4:09pm
Auto Hold system works by utilizing the extended functionality of the electronic parking brake (EPB) through the brake management system to control the four-wheel brakes. The Auto Hold system is a technological application that enables automatic parking brake functionality while the vehicle is in operation. This technology allows drivers to avoid prolonged braking when the vehicle is stationary and prevents unnecessary rolling when the automatic electronic parking brake is engaged. The primary function of the Auto Hold feature is to prevent the vehicle from rolling backward, making it particularly useful on inclines and during frequent starts and stops. The Auto Hold system, together with the electronic parking brake, forms an intelligent brake control system that integrates temporary braking during driving with long-term parking braking after stopping, all achieved through electronic control for parking brake functionality.
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