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EnglishControls and features -> HDC Hill Descent Control for your BMW X5 2000-2006
xDrive
HDC Hill Descent Control
97n
xDrive is the 4-wheel drive system of
your X5. The combined effects of xDrive
and DSC further optimize the traction
and dynamic driving characteristics.
The 4-wheel drive system xDrive vari-
ably distributes the drive torque to the
front and rear axle depending on the
driving situation and prevailing road
conditions.
The concept
HDC is a system for driving downhill in
steep terrain. This system reduces vehi-
cle speed on steep downhill gradients,
thus allowing you to maintain even bet-
ter control of your BMW under these
conditions.
The vehicle moves at slightly more than
walking speed without active interven-
tion from the driver.
Malfunction
HDC is available for activation at vehi-
cle speeds below approx. 20 mph/
35 km/h. When driving down steep hills
with a speed below approx. 20 mph/
35 km/h, the vehicle reduces speed
automatically down to slightly more
than walking speed, approx. 5 mph/
8 km/h, and then maintains this speed
at a constant.
Please be sure to observe the informa-
tion on the DSC Dynamic Stability Con-
trol/xDrive warning lamp on page 22
and on the possible lamp combinations
that can light up on page 20.
Activating system
Press the button, the indicator lamp
lights up.
The indicator lamp flashes when the
brakes are applied automatically.
Deactivating system
You can use the accelerator or brakes
to vary this automatically controlled
speed within a range extending from
approx. 3 mph/5 km/h to 15 mph/
25 km/h.
You can specify a target speed within
the same range by using the +/– but-
tons of the cruise control.
Press the button again; the indicator
lamp goes out.
HDC is deactivated automatically above
a road speed of approx. 35 mph/
60 km/h and when the ignition is
switched off.
HDC is automatically deactivated once
vehicle speed again exceeds approx.
35 mph/60 km/h.
