What is HDC in a car?

1 Answers
JoshuaAnn
07/29/25 5:16pm
HDC in a car stands for Hill Descent Control, which is a system that enables automatic braking when the car is descending a steep slope, thereby enhancing safety during downhill driving. The Hill Descent Control system improves the car's controllability on steep slopes by applying brief braking force to the front axle to compensate for engine braking. Precautions for using HDC: 1. The HDC system must be set up before use to ensure the driver can focus on driving. Once the HDC system is activated, the driver should release all pedals to avoid interfering with the system's operation; 2. When descending a slope using the HDC system, the driver does not need to press any pedals. The car will automatically move at a speed of about 8 km/h. During this automatic operation, the driver only needs to steer the wheel.
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