What is the use of Auto Hold?
1 Answers
Auto Hold usually has an AUTOHOLD button next to the gear shift. Pressing it will display 'ON,' indicating activation. During normal driving, when stopping at a traffic light, pressing the brake until the vehicle comes to a complete stop allows you to release the brake, and Auto Hold will engage. There's no need to keep the brake pressed or shift to P. To resume driving, simply press the accelerator. The principle of Auto Hold is explained below: 1. Explanation One: When the vehicle is temporarily stopped and needs to restart within a short time, the parking function is handled by the ESP-controlled braking system. The computer uses a series of sensors to measure the vehicle's levelness and wheel torque, determining any tendency to roll. It then applies an appropriate braking force to keep the vehicle stationary. This braking force is just enough to prevent movement without being excessive, ensuring a smooth restart without severe jerking when the accelerator is pressed. 2. Explanation Two: If the temporary stop exceeds a certain duration, the braking system switches to mechanical rear-wheel parking (activating the electronic parking brake) instead of the previous four-wheel hydraulic braking. When the vehicle is about to move forward, the electronic system detects the accelerator pedal pressure and, for manual transmission models, the clutch pedal travel to determine whether to release the brake.