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not steer the vehicle, or gives no con rmation to
the system, a warning tone sounds in addition to
the visual warning message.
If the driver does not react to this warning for a
considerable period, an emergency stop is initi-
ated (
page 238).
/
The warning is not issued or is stopped as soon as
the system detects that the driver has touched
the steering wheel.
Touch detection may be limited or inoperative in
the following situations:
The driver is wearing gloves.
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There is a steering wheel cover on the steering
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wheel.
If Active Steering Assist detects that a system
limit has been reached, a visual warning is issued
and a warning tone sounds.
Observe the notes on driving systems and your
responsibility; you may otherwise fail to recognize
dangers (
page 217).
/
Syst
System limits
em limits
Active Steering Assist has a limited steering tor-
que for lateral guidance. In some cases, the steer-
ing intervention is not su cient to keep the vehi-
cle in the lane.
The system may be impaired or may not function
in the following instances:
There is poor visibility, e.g. due to snow, rain,
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fog, heavy spray, greatly varying ambient light
or strong shadows on the road.
There is glare, e.g. from oncoming tra c,
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direct sunlight or re ections.
Insu cient road illumination.
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www.carobook.com
The windshield is dirty, fogged up, damaged or
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covered in the vicinity of the camera, e.g. by a
sticker.
No, or several, unclear lane markings are pres-
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ent for one lane, or the markings change
quickly, for example, in a construction area or
intersections.
The lane markings are worn away, dark or cov-
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ered up, e.g. by dirt or snow.
If the distance to the vehicle in front is too
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short and thus the lane markings cannot be
detected.
The road is narrow and winding.
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Driving and parking 237
There are obstacles on the lane or projecting
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out into the lane, such as object markers.
The system does not provide assistance in the fol-
lowing conditions:
On very tight curves and when turning.
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When crossing intersections.
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At roundabouts or toll stations.
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When actively changing lane without switching
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on the turn signal indicator.
When the tire pressure is too low.
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& W W ARNING
ARNING Risk of accident if Active Steer-
ing Assist unexpectedly stops functioning
If the system limits of Active Steering Assist
are reached there is no guarantee that the
system will remain active or will keep the vehi-
cle in lane.
Always keep your hands on the steering
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wheel and observe the tra c carefully.
Always steer the vehicle paying attention
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to tra c conditions.
237
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