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6
Driving
Jumpy_en_Chap06_conduite_ed01-2016
When the dynamic cruise control is
automatically paused, it can only be
reactivated when safe conditions are
restored. The message "Activation
not possible, conditions unsuitable"
is displayed while reactivation is not
possible.
When the conditions allow, it is
recommended that the function be
reactivated by pressing button 2 (SET+)
or 3 (SET-), which will make the current
speed of your vehicle the new cruise
speed setting, rather than by pressing
button 4 (on/pause) which reactivates
the cruise control using the old cruise
speed setting, which may be very
different from the current speed of your
vehicle.
The speed regulation range is limited to a
maximum difference of 20 mph (30 km/h)
between the speed setting and the speed of
the vehicle in front.
Above this, the system goes into pause if the
safe distance becomes too small.
The dynamic cruise control uses only engine
braking to slow the vehicle. Consequently the
vehicle loses speed slowly, as when releasing
the accelerator pedal.
The system is paused automatically:
- if the vehicle in front slows down too much
or too suddenly, and the driver does not
brake,
-
if a vehicle comes between your vehicle
and the vehicle in front,
- if the system does not slow the vehicle
enough to continue to maintain a safe
distance, for example when descending a
steep hill.
Limits of operation
As the radar's field of detection is quite narrow,
it is possible that the system may not detect:
-
vehicles of reduced width, such as
motorcycles, for example,
-
vehicles not running in the middle of the
lane,
-
vehicles entering a corner,
-
vehicles changing lane at the last moment.
The cruise control does not take
account of:
-
stationary vehicles,
-
vehicles driving in the opposite
direction.
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