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Keeping Assist detects lane markings on the
road and warns you before you leave your
lane unintentionally. If you do not react to the
warning, a lane-correcting application of the
brakes can bring the vehicle back into the
original lane.
:
Active Lane Keeping Assist camera
If you select km on the on-board computer in
the Display Unit Speed-/
Odometer (Y page 229) function, Active Lane
Keeping Assist is activated starting at a speed
of 60 km/h. If the miles display unit is
selected, the assistance range begins at
40 mph.
G
Warning
Active Lane Keeping Assist does not keep
your vehicle in its lane. It is only an aid and
may detect the lane markings on the road
incorrectly or not at all.
The system may be impaired or may not
function if:
R
several or no lane markings for a single lane
are present.
R
there is poor visibility, e.g. due to
insufficient illumination of the road, or due
to snow, rain, fog or spray.
R
there is glare, e.g. from oncoming traffic,
the sun, or reflection from other vehicles.
R
the windshield is dirty, fogged up or
covered, for instance by a sticker, in the
vicinity of the camera.
R
the lane markings are worn away, dark or
covered up, e.g. by dirt or snow.
R
the distance to the vehicle in front is too
small and the lane markings thus cannot be
detected.
R
the lane markings on the road are unclear,
e.g. near roadworks.
R
the lane markings change quickly, e.g.
lanes branch off, cross one another or
merge.
R
the road is narrow and winding.
Active Lane Keeping Assist cannot detect
road and traffic conditions. It is not a
substitute for attentive driving. You are
responsible for the vehicle's speed, braking in
good time, and steering correctly. Always
adapt your driving style to suit the prevailing
road and weather conditions. Always pay
attention to traffic conditions and your
surroundings. Otherwise, you may fail to
recognize dangers in time, cause an accident
and injure yourself and others.
Warning vibration in the steering wheel
A warning can be given when a front wheel
passes over a lane marking. It will warn you
by means of intermittent vibration in the
steering wheel for up to 1.5 seconds.
In order that you are warned only when
necessary and in good time if you cross the
lane marking, the system recognizes certain
conditions and warns you accordingly.
The warning vibration occurs earlier if:
R
you approach the outer lane marking on a
bend.
R
the road has very wide lanes, e.g. a
freeway.
R
the system recognizes solid lane markings.
The warning vibration occurs later if:
R
the road has narrow lanes.
R
you cut the corner on a bend.
No warning vibration occurs if:
R
you clearly and actively steer, brake, or
accelerate.
R
you cut the corner on a sharp bend.
212
Driving systems
Driving and parking
BA 212 USA, CA Edition B 2011; 1; 5, en-US
dimargi Version: 3.0.3.6
2010-05-20T13:33:46+02:00 - Seite 212