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HDC is a cruise control function that helps
the driver to go downhill at a constant speed,
alleviating foot fatigue caused by constantly
pressing the brake pedal.
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Tap “
→9HKLFOH6HWWLQJV” on the CID to enable
or disable HDC function.
When the vehicle speed is higher than 8km/h
but less than 35km/h, the HDC function can be
used. If the brake pedal or accelerator pedal
is pressed during HDC operation, the function
will exit and the driver needs to take over the
vehicle. When the vehicle speed is higher than
60km/h, the function completely exits and entry
is prohibited.
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• HDC can operate on hill with a slope of
higher than or equal to 5%.
• Conditions for activating HDC: vehicle
speed is less than 35km/h; The brake disc
temperature is normal. The ESP system
works properly.
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HDC can actively keep the vehicle descending
at a constant speed, but it must follow the
kinematics law. For safety reasons, the driver
shall apply the brake in time according to
the actual situation of the vehicle to avoid
accidents caused by the vehicle descending
too fast.
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When the vehicle starts from a still state on a
slope higher than 4%, the driver releases the
brake pedal and presses the accelerator pedal,
the power output is insufficient to prevent the
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9
https://www.automotive-manuals.net
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