77
Automatic Stability Control plus Traction ASC+T
The principle
ASC+T optimises dynamic stability and
traction, particularly when m oving away
from a standstill and when cornering.
The ASC+T system is ready to operate
each time the engine is started.
ASC+T incorporates the functions of
Automatic Differential Brake ADB and
Cornering Brake Control CBC.
You will find further details on ASC+T in
the "Technical items of interest" bro-
chure.
Telltale light
The telltale light in the instru-
ment cluster goes out shortly
after the ignition is switched on,
see page 19.
If the telltale light flashes:
ASC+T is controlling drive and braking
forces.
If the telltale light remains permanently
on:
The button has been pressed to deacti-
vate ASC+T; ADB is ready. There is no
indicator to show when ADB is in
action.
The telltale light and the brake
warning light remain perma-
nently yellow:
ASC+T and ADB have been
switched off at the button, or are
defective.
The car is operational without ASC+T.
If a fault occurs, please consult BMW
Service.
Deactivating ASC+T/activating
ADB
Briefly press the ASC button: the telltale
light remains permanently on.
ASC+T is deactivated; ADB is ready.
In the following exceptional situations it
may be best to activate ADB for a short
time:
>
If the car has to be rocked out of a
hollow or a soft surface, or started in
deep snow or on a loose surface
>
If snow chains are fitted.
In order to maintain maximum
driving stability, you should drive
with the ASC+T system activated
whenever possible.
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