BMW 5 Series: The concept - HDC Hill Descent Control - Driving stability control systems - Controls - BMW 5 Series Owners ManualsBMW 5 Series: The concept

HDC is a downhill driving assistant that automatically controls vehicle speed on steep downhill gradients. Without the brakes being applied, the vehicle moves at slightly more than twice walking speed.

Hill Descent Control can be activated at speeds below approx. 22 mph/35 km/h. When driving downhill, the vehicle reduces its speed to approx.

twice walking speed and then keeps its speed constant.

As long as there is active braking, the system is on standby. The system does not brake the vehicle during this time.

Use HDC in low gears or in transmission position D or R only.

    Increasing or decreasing vehicle speed
    Specify desired speed in the range from approx. 4 mph/6 km/h to approx. 15 mph/25 km/h using the rocker switch of the cruise control on the steering wheel. Vehicle speed can be changed by light ...

    See also:

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    Warning stages
    Prewarning This warning is issued, for example, when there is the impending danger of a collision or the distance to the vehicle ahead is too small. Acute warning with braking function Warning ...

    The concept
    DSC prevents traction loss in the driving wheels when driving away and accelerating. DSC also recognizes unstable vehicle conditions, such as fishtailing or nose-diving. Subject to physical lim ...