BMW X5 2003 Bedienungshandbuch PDF herunterladen (Seite 93)

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OverviewControlsMaintenanceRepairsDataIndex

Hill Descent Control HDC

The concept

HDC is a system for driving downhill in

steep terrain. This system reduces

vehicle speed on steep downhill gradi-

ents, thus allowing you to maintain con-

trol of your BMW under these condi-

tions.

The vehicle moves at slightly more than

walking speed without active interven-

tion from the driver.

HDC is available for activation at

vehicle 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.

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

+/– buttons of the cruise control.

HDC is automatically deactivated once

vehicle speed again exceeds approx.

35 mph/60 km/h.

To switch the system on

Press the button. The indicator lamp

comes on.

The indicator lamp flashes when the

brakes are applied automatically.

To switch the system off

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.

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To use HDC

With manual transmission:

Use HDC in first gear and in Reverse

since the engine's braking effect is

diminished in the higher gears.

With automatic transmission:

You can use HDC in every drive

position.

In the event of a fault

The indicator lamp goes out in the HDC

mode or does not come on when HDC

is switched on:

HDC is temporarily not available if

brake temperature is too high.

If the DSC indicator lamp also

lights up:

There is a fault in the HDC and

DSC systems. Have your BMW Sports

Activity Vehicle center inspect this

system as soon as possible.

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