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Technical features for driving comfort and safety
84
Dynamic Brake Control DBC
If the brake is pressed down rapidly, this system
automatically boosts the braking force to a
maximum and thus helps to keep the braking
distance as short as possible when a full brake
application is made. It also makes full use of the
advantages offered by ABS.
Maintain pressure on the brake during the
entire brake application. If the brake is released,
DBC will be switched off.
Dynamic Stability Control DSC
DSC prevents the driving wheels losing traction
when you pull away from rest or accelerate.
DSC also recognises unstable driving condi-
tions, for example if the rear of the car is about
to swerve or if momentum is acting at an angle
past the front wheels. In such instances, DSC
helps to keep the car on a stable course, subject
to the limits imposed by the basic laws of
dynamics, by reducing the engine output and
applying the brakes to individual wheels.
DSC is ready to operate each time the engine is
started.
Not even DSC can overcome the laws of
physics. It is therefore the driver's
responsibility to adopt a suitable driving style in
every situation. Do not undermine the addi-
tional safety afforded by this system by taking
driving risks.<
Deactivating DSC
Hold the button pressed until the DSC indicator
lamp in the instrument cluster remains on per-
manently, but for no longer than approx.10 sec-
onds. Both Dynamic Traction Control DTC and
DSC are deactivated. No stabilising or traction-
enhancing intervention will now take place.
Intervention by the active steering
*
, which pro-
motes stability, is likewise
deactivated, see
page 88.
A message appears on the control display:
Please also observe the supplementary infor-
mation given there.
In the interests of dynamic stability, activate
DSC again as soon as possible.
Activating DSC
Press the button; the indicator lamp in the
instrument cluster goes out.
Indicator lamps
If the indicator lamp is flashing:
DSC is regulating the propulsive and
braking forces.
If the indicator lamp is on:
DSC is deactivated.
Dynamic Traction Control DTC
DTC is a version of DSC that has been traction-
optimised for particular operating conditions,
e.g. driving on roads where the snow has not
been cleared. The system assures maximum
traction, but with reduced dynamic stability.
You should therefore drive with caution.
In the following exceptional situations it may be
best to activate DTC for a short time:
> When driving uphill on snow-covered roads,
in slush or on unploughed, snow-covered
roads
> For rocking the car out of a hollow or start-
ing in deep snow or on a loose surface
> When driving with snow chains
*
Online Edition for Part-No. 01 41 0 159 725 © 09/05 BMW AG