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Driving
●
Al
ways be prepared to adjust the speed
yourself. If the traffic sign recognition sys-
tem is not working properly or the naviga-
tion data is not updated, the speed may
change unexpectedly and suddenly or may
not be suitable for the current traffic situa-
tion. In addition, the speed adjusted by the
system may not suit your driving style.
●
Always be prepared to adjust the speed
yourself. If you drive without any active gui-
ded route, if you leave the route calculated
by the navigation system or if the position
of the vehicle cannot be determined cor-
rectly because the GPS does not provide
accurate data, the speed may change un-
expectedly and suddenly or may not adapt
to the current traffic situation.
●
Always use up to date navigation data.
●
Always take into account the maximum
permitted speed. In the case of speed limi-
tations that are not included in the naviga-
tion data, the maximum permitted speed
may be exceeded.
Note
Also note the information related to the
ACC r
elevant to safety
›››
page 249.
Limitations of the proactive speed
adjustment
In addition to the limitations of the traffic sig-
nal det
ection system
›››
page 76 and of the
limitations of the ACC, proactive speed ad-
justment has the following limitations inherent
to the system:
●
Proactive speed adjustment only recogni-
ses traffic signals that show a speed limita-
tion. The proactive speed adjustment does
not take into account, above all, the rules on
priority of passage or traffic lights.
●
On roads that are not included in the navi-
gation dat
a, or that are included with little
accuracy, proactive speed adjustment is not
available.
●
If a speed limitation is notified based on the
navigation data without it being detected by
the traffic signal detection system, the indica-
ted speed will be adjusted to the speed that
was saved the last time.
●
Proactive speed adjustment is not available
for speed limitations below approx. 20 km/h
(approx. 15 mph). In this case, a relevant mes-
sage is displayed on the instrument panel
screen.
Activating the proactive speed ad-
justment
In the infotainment system, in the assist serv-
ices menu, you can individually adjust the
t
ype of incident the vehicle should react to
›››
page 93:
●
Response to road layout.
●
Reaction at permitted speeds.
Driving with the proactive speed
adjustment
●
Connect the ACC
›
››
page 251.
●
Set the distance and speed.
●
Activate the proactive speed adjustment.
As soon as the system recognises a speed
limitation or a relevant road layout during the
route, a warning will appear on the instru-
ment panel display. This warning will indicate
the reason and the speed to which the vehi-
cle will adjust due to said limitation.
Adjustment due to a speed limitation.
Adjustment due to a road layout.
In the event of adjustment due to a speed lim-
itation, the detected speed will be saved as
the new desired speed. In the event of
256
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