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234 Driving and parking
tion of road, for example on highway on-ramps or
one-way streets.
Warning at pedestrian crossings: if you approach
pedestrian crossings, provided that pedestrians
are in the danger zone or are moving towards it,
Traffic Sign Assist can warn you up to a speed of
approximately 44 mph (70 km/h).
Warning at stop signs: Traffic Sign Assist can warn
you up to a speed of approximately 44 mph
(70 km/h) if you are about to drive past a stop
sign unintentionally. For this to be possible, the
signs must be clear, for example if the system
detects more than one stop sign, or a stop sign
can be confirmed using the digital navigation
map. No warning can be issued if several different
signs are detected.
Warning at red lights: Traffic Sign Assist can warn
you up to a speed of approximately 44 mph
(70 km/h) if you are about to drive through a red
light unintentionally.
For this to happen, the following conditions must
be met:
Several traffic lights have been detected.
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All traffic lights detected are red.
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At least one of the red traffic lights detected is
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on the front passenger side beside the vehi-
cle's own lane.
The traffic lights are in the following sequence
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(from top to bottom): red, yellow, green.
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You can activate or deactivate the warning
function in the Traffic Sign Assist menu under
Further
Warnings(
page 235).
/
System limits
The system may be impaired or may not function
particularly in the following situations:
If visibility is poor, e.g. due to insufficient illu-
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mination of the road, highly variable shade
conditions, rain, snow, fog, swirling dust or
heavy spray.
If there is glare, e.g. from oncoming traffic,
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direct sunlight or reflections.
If there is dirt on the windshield in the vicinity
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of the multifunction camera or if the camera is
fogged up, damaged or obscured.
If the traffic signs are difficult to see because,
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for example, they are dirty, obscured, faded,
iced over, damaged, inconveniently positioned,
insufficiently illuminated or distorted.
Active traffic signs with LED displays may not
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be detected correctly or at all due to technical
factors, such as transmission frequency.
If the information on the navigation system's
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digital map is incorrect, incomplete or out of
date.
If the signs, road markings or road layout are
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ambiguous, e.g. in the case of traffic signs in
construction sites, at exits and driveways, in
the case of adjacent lanes or parallel roads, in
the case of pedestrian crossing markings at
traffic lights
If the signage or road markings do not comply
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with the standard
If the signage, road markings or road guidance
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is country-specific and deviates from the route
guidance of the navigation system, e.g. in or
after road works
After sharp turns and tight bends, when traffic
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signs are outside the camera's field of vision.
If you overtake vehicles with traffic signs
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which are affixed or attached to them.
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