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The system can intervene if the following condi-
tions are met:
Active Lane Keeping Assist detects a lane
R
marking.
One of your front wheels moves onto this lane
R
marking.
If you activate the direction indicators, there is no
steering intervention on that side.
There is no steering intervention if you leave your
lane without activating the direction indicators but
there is a risk of collision with a moving obstacle
in your own lane.
Vehicles with Blind Spot Assist or Driving Assis-
tance Package: If the system detects an obstacle,
e.g. another vehicle, in the adjacent lane, there is
steering intervention despite the direction indica-
tors.
Depending on the country, Active Lane Keeping
Assist can already react in the following situations
from a speed of approximately 45 km/h:
If your own vehicle is overtaken by another
R
road user and a risk of collision is detected,
there is course-correcting steering interven-
tion.
If a recognised lane marking is crossed, a
R
warning is given by tangible feedback from the
steering wheel.
In the following cases a warning
the driver display and a warning tone is sounded:
a steering intervention by Active Lane Keeping
R
Assist has a duration longer than approx-
imately ten seconds.
there are two or more steering interventions
R
by the systems within approximately three
minutes, without steering action by the driver.
F295 0057 02
You can set the sensitivity of the system in the
Active Lane Keeping Assist settings, to determine
the level of assistance. You can also determine
whether the system is to react to interrupted lane
markings, or only to solid lane markings
(
page 367).
/
If ATTENTION ASSIST has detected signs of
drowsiness or microsleep, the most sensitive set-
ting is automatically selected (
Status displays of Active Lane Keeping Assist
ï White: Active Lane Keeping Assist is
switched off.
If ESP
loss warning is given, Active Lane Keeping
Assist is automatically switched off.
1
appears in
ï Yellow: There is a malfunction. Also note
any display messages.
ð Grey: Active Lane Keeping Assist is
switched on but not ready.
ð Green: Active Lane Keeping Assist is
switched on and ready. If the system is
only ready on one side, only the lane mark-
ing on that side is shown in green.
Driving and parking 365
page 325).
/
®
is switched off or a tyre pressure
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