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71
Automatic intervention of ABS
or DSC, or you apply the
parking brake while on the
move. Active Cruise Control will
only intervene by applying the
brakes. For further details, see page 74.
Operating Active Cruise Control
1 Activating the system:
Memorising and increasing the desired
speed
2 Activating the system:
Memorising and reducing the desired
speed
3 Interrupting the system
4 With the system interrupted:
Briefly press the button to call up the
memorised speed
4 With the system activated:
Increase the desired speed by 1 mph each
time the button is pressed
5 Selected distance from vehicle in front.
You can choose between four distance
levels. For further details, see page 72.
Adjust your desired speed in line with
the traffic conditions, and always
remain ready to apply the brakes. The
system is unable to compensate for high
differences in speed between your car and
a preceding vehicle, e.g. if you approach a
heavy goods vehicle at high speed or if
another vehicle turns out into your lane.<
Activating the system
You can activate the system from a speed
of 20 mph. Press the lever forward or pull it
back. You can now use the system.
The current speed is simultaneously
memorised as the desired speed and
briefly displayed in the speedometer, see
arrow.
The ideal operating conditions are main
roads, dual carriageways and motorways
where you are able to drive at speeds of
between approx. 50 and 90 mph. Always
observe the speed limit for the road on
which you are driving.
If the system cannot be activated, the
display ACC --- mph appears briefly
in the speedometer. The system may have
been interrupted automatically, see Inter-
rupting the system, or there may be a
malfunction.
Calling up Check Control messages, see
page 79.<