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PDC Park Distance Control* Antilock Brake System
Acoustic signals
The distance from an object is indicated
in front with a higher intermittent tone,
and at the rear with a lower intermittent
tone. As the distance between vehicle
and object decreases, the intervals
between the tones become shorter.
The signal tone becomes continuous
once the distance to the nearest object
falls to below roughly 1 ft/30 cm.
The warning signal is canceled after
approx. 3 seconds if you are moving
parallel to a wall.
If there is a malfunction of the system:
The indicator lamp flashes and a short
steady signal tone is sounded
>if you activate PDC with the button
>when you select reverse for the first
time after switching on the ignition
>if a malfunction occurs while the PDC
system is active.
Switch the system off and have the
cause of the malfunction corrected by
your BMW Sports Activity Vehicle cen-
ter.
Even with PDC, final responsibility
for estimating the distance
between the vehicle and any obstruc-
tions always remains with the driver.
Even when sensors are involved, there
is a blind spot in which objects cannot
be detected. This applies especially
in those cases where the system
approaches the physical constraints of
ultrasonic measurement, as occurs with
tow bars and trailer couplings, and in
the vicinity of thin or wedge-shaped
objects. Low objects already displayed,
e.g. a curb, can also disappear from the
detection area of the sensors again
before a continuous tone sounds.
Loud sources of sound, inside and out-
side the vehicle, could drown out the
PDC signal tone.<
Keep the sensors clean and free of ice
or snow in order to ensure that they will
continue to operate effectively.
Do not apply high pressure spray to the
sensors for a prolonged period of time.
Keep the spray at least 4 in/10 cm away
from the sensors.
The concept
The ABS Antilock Brake System keeps
the wheels from locking during braking,
thereby enhancing active driving safety.
The vehicle continues to be steerable
during hard braking.
ABS also includes EBV Electronic
brake-force distribution.
Safe braking, refer to page 132.
EBV Electronic brake-force
distribution
EBV controls the brake system's appli-
cation pressure at the rear wheels to
ensure stable deceleration.
DBC Dynamic Brake Control
The Dynamic Brake Control actively
supports the driver in dangerous brak-
ing situations. Quickly pumping the
brake pedal will increase the braking
effect with low pedal pressure so that
the shortest possible braking distance
is achieved. This system exploits all of
the benefits provided by ABS.
Do not reduce the pressure on the
brake pedal for the duration of the
brake application. DBC is deactivated
when you release the brake pedal.
Online Edition for Part No. 01 41 0 157 897 - © 08/03 BMW AG