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Operation
●
When the traction contr
ol system (ASR) is
deactivated during acceleration or else the
ESC is activated in Sport* Mode
(››› page 110), the ACC switches off automati-
cally.
●
In vehicles with the Start-Stop system, the
engine switches off automatically during the
ACC stopping phase and restarts automatical-
ly to begin driving.
Vehicles with an automatic gearbox
If the vehicle is equipped with automatic
g
e
arbo
x, the ACC can brake the vehicle until
it stops completely if a vehicle in front of it
stops.
The ACC will still be available for a few sec-
onds. The vehicle will restart by itself if the
vehicle in front moves (traffic jam assistant).
Disconnection criteria
The ACC will switch off if the driver applies
the brake pedal or the driver's door is
opened.
If the vehicle in front remains stationary for
more than 3 seconds, the ACC will also
switch off for safety reasons. In this case the
driver should take control and apply the
brake.
In the latter case, when the ACC is switched
off with the vehicle stationary, the vehicle
has to be braked by the pedal, since al-
though the car is idling it can move, as there
is a gear engaged.
Restarting the vehicle with the ACC manually
The ACC can be activated again by moving
the lever to position
2
›
›› Fig. 198
.
WARNING
Your vehicle can start up even if there is an
obs
tacle between your vehicle and the vehi-
cle detected in front. Risk of accident!
CAUTION
●
If y
our vehicle with ACC does not start up
as expected, you can drive off by briefly step-
ping on the accelerator.
●
The Start-Stop system usually acts if you
are driving with ACC.
Interrupting control
Fig. 198 On the left of the steering column:
thir
d l
ev
er for operating the Adaptive Cruise
Control.
Important: the ACC is active.
Int
erruptin
g c
ontrol during driving
●
Move the lever to the position
3
. The A
CC
s
t
andby message is displayed to the driver.
or
●
Brake.
●
To resume the programmed speed, turn the
lever to position
2
.
Int
errupt
s
peed control with the vehicle sta-
tionary
Applies to vehicles with automatic gearbox:
●
Move the lever to the position
3
. The A
CC
s
t
andby message is displayed to the driver.
192
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