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Drive-off assistant – BMW 528I XDRIVE User Manual

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down steep hills with a speed below approx.
22 mph/35 km/h, the vehicle reduces speed
automatically down to approximately twice nor-
mal walking speed, approx. 7 mph/12 km/h, and
then keeps this speed 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 lever of the cruise control

*

.

Activating HDC

Use the button on the steering wheel.

Deactivating HDC

Use the button on the steering wheel; the HDC
display goes out.
HDC is automatically deactivated at speeds
greater than approximately 37 mph/60 km/h.

Using HDC

Manual transmission:
Use HDC in low gears and reverse gear.
Automatic transmission:
You can use HDC in every drive position.

Displays in instrument cluster

1 Display for target speed
2 HDC display

Malfunction in driving-stability control
systems

The warning lamp for the brake system
lights up yellow, together with the indi-
cator lamps for ABS, DSC and Tire
Pressure Monitor or Flat Tire Monitor.
A message appears on the Control Dis-
play. The driving-stability control sys-
tems have failed. While you may con-
tinue, you should remember to proceed
cautiously and drive defensively while
avoiding full brake applications. The

Tire Pressure Monitor or the Flat Tire Monitor is
also malfunctioning. Have the system checked
as soon as possible.

Display of the previously described
malfunction in Canadian models.

The DSC indicator lamp lights up. A
message appears on the Control Dis-
play. A malfunction has occurred in the

DSC and DTC. The stabilizing actions are no
longer available. The vehicle remains opera-
tional. Have the system checked as soon as
possible.

The brake system warning lamp lights
up yellow. A message appears on the
Control Display. The brake assistant is

defective. Have the system checked as soon as
possible.

Display of the previously described
malfunction in Canadian models.

Drive-off assistant

The drive-off assistant enables you to start off
conveniently on slopes. The parking brake is
not required for this purpose.

Online Edition for Part no. 01 41 2 602 678 - © 08/09 BMW AG

Online Edition for Part no. 01 41 2 602 678 - © 08/09 BMW AG