Adaptive drive – BMW 550i xDrive Sedan 2011 User Manual
Page 97
You can activate the Hill Descent Control 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.
While you are actively braking, the system is on
standby. The system does not brake the vehicle
during this time.
Increasing or decreasing vehicle speed
You can specify your 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. You can change
the vehicle speed by pressing on the accelerator
lightly.
▷
Press up the rocker switch to the point of
resistance: the speed increases gradually.
▷
Press up the rocker switch past the point of
resistance: the speed increases while the
rocker switch is pressed.
▷
Press down the rocker switch to the point of
resistance: the speed decreases gradually.
▷
Press down the rocker switch past the point
of resistance: when driving forward, the
speed decreases to approx. 6 mph/10 km/h;
when reversing, the speed decreases to ap‐
prox. 4 mph/6 km/h.
Activating HDC
Press the button; the LED above the but‐
ton lights up.
Deactivating HDC
Press the button again and the LED goes
out. HDC is automatically deactivated
above approx. 37 mph/60 km/h.
Display in the instrument cluster
The selected speed is displayed
in the speedometer.
▷
Green: the system is actively
braking the vehicle.
▷
Orange: the system is on
standby.
Malfunction
A message is displayed in the instrument clus‐
ter. HDC is not available, e.g., due to elevated
brake temperatures.
Adaptive Drive*
The concept
Adaptive Drive* includes the following systems:
▷
Dynamic Drive, refer to page
▷
Dynamic Damping Control, refer to
page
The system increases driving stability and driv‐
ing comfort.
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