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180 Driving and parking
180
T T r r a c
a c Sign Assist
Sign Assist
F F unction of
unction of Tr Tra c
a c Sign Assist
Sign Assist
Tra c Sign Assist detects tra c signs with the
multifunction camera (
page 155). It assists
/
you by displaying detected speed limits and over-
taking restrictions in the Instrument Display.
Observe the notes on driving systems and your
responsibility; you may otherwise fail to recognize
dangers (
page 155).
/
Since Tra c Sign Assist also uses the data stored
in the navigation system, it can update the display
in the following situations without detecting tra c
signs.
The camera also detects tra c signs with a
restriction indicated by an additional sign (e.g.
when wet). These are displayed only if a restric-
tion applies or if the system cannot clearly deter-
mine whether the restriction applies.
W W ar arning when t
ning when the maximum per
he maximum permissible speed is
missible speed is
ex exceeded
ceeded
The system can warn you if you unintentionally
exceed the maximum permissible speed. To do
this, you can specify in the multimedia system by
how much the maximum permissible speed can
be exceeded before a warning is issued. You can
specify whether the warning is to be just a visual
warning or an acoustic one as well.
Display in t
Displa
y in the Ins
he Instr trument Display
ument Display
Instrument display in the widescreen cockpit
1
Maximum permissible speed
2
Maximum permissible speed when a restric-
tion applies
3
Additional sign with restriction
%
V V ehicles wit
ehicles with a st
h a standar
andard Ins
d Instr trument Display
ument Display: : a
+ + symbol next to a tra c sign in the Instru-
ment Display indicates that additional tra c
signs have been detected. These can also be
displayed in the media display and optionally
in the head-up display.
If Tra c Sign Assist cannot determine the maxi-
mum permissible speed (e.g. due to missing
signs), the following display appears in the Instru-
ment Display:
This is displayed continuously if the vehicle is in a
country where Tra c Sign Assist is not supported.
Tra c Sign Assist is not available in all countries.
%
Also observe the information on display mes-
sages in Tra c Sign Assist (
page 400).
/
Syst
System limits
em limits
The system may be impaired or may not function
particularly in the following situations:
If there is poor visibility, e.g. due to insu cient
R
illumination of the road, highly variable shade
conditions, rain, snow, fog or heavy spray.
If there is glare, e.g. from oncoming tra c,
R
direct sunlight or re ections.
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