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Driver assistance systems
braking will have priority over intervention
by the speed control or adaptive cruise
control.
●
Always be ready t
o use the brakes!
●
Observe country-specific provisions gov-
erning obligatory minimum distances be-
tween vehicles.
●
It is dangerous to activate control and re-
sume the programmed speed if the road,
traffic or weather conditions do not permit
this. Risk of accident!
Note
●
The programmed speed is erased once
the ignition or the ACC are switched off
.
●
When the traction control system (ASR) is
deactivated during acceleration or else the
ESC is activated in Sport* Mode
(
›››
page 82), the ACC switches off auto-
matically.
●
In vehicles with the Start-Stop system,
the engine switches off during the ACC
stopping phase and restarts for moving off.
Function to prevent overtaking on
the right
Fig. 267
On the instrument panel display:
ACC activ
e
, v
ehicl
e det
ect
ed in an out
er lane.
The ACC has a function to prevent overtaking
on the right.
If another v
ehicl
e is driving mor
e sl
o
wly t
o the
l
eft of the vehicle, it is shown on the display
›››
Fig. 267.
The system brakes the vehicle to avoid over-
taking on the right, and will avoid overtaking
based on speed. The driver can interrupt the
intervention of the ACC by pressing the ac-
celerator. At low speeds the function is inac-
tive, for greater comfort in a traffic jam or in
city traffic.
Deactivating the ACC temporarily
in certain situations
In the following situations the ACC should be
deactivated due to the system's limitations
››
›
:
●
When overtaking, on closed curves or
mountain roads, roundabouts, slip roads or
roadwork sections, pr
eventing the system
from accelerating to reach the programmed
speed.
●
When going through a tunnel, as operation
could be affected.
●
When other vehicles are going sl
ower in the
left lane. In this case, slower vehicles will be
overtaken on the right.
●
In case of heavy rain, snow or fog, the vehi-
cle in front may not be detected.
WARNING
If the ACC does not switch off in the situa-
tions described, serious accidents and inju-
ries may occur.
●
Always switch off the ACC in critical sit-
uations.
Note
If you do not switch off the ACC in the
aforementioned situations, you may com-
mit a legal offence.
283
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