This system can be activated
or deactivated in the vehicle
personalisation.
Information Display ð
page 68
System limitations
Traffic sign assist may not operate
properly when:
● driving on winding or hilly roads
● driving with snow chains
● the area of the windscreen, where the
front camera is located, is not clean or
affected by foreign items, e.g. stickers
● the visibility is limited because of the
weather, such as fog, rain or snow
● the vehicle ahead is creating road
spray
● dazzling light, e.g. caused by the
sun or artificial illumination is shining
directly into the camera lens
● speed limitation is painted on the
surface of the road
● traffic signs are completely or partially
covered or difficult to discern
● traffic signs are incorrectly mounted or
damaged or have been removed
● traffic signs do not comply with the
Vienna Convention on Road Signs and
Signals
● depending on version, the navigation
map data may be outdated
CAUTION
The system is intended to help the
driver within a defined speed range
to recognise certain traffic signs. Do
not ignore traffic signs that are not
displayed by the system.
Do not let this special feature tempt you
into taking risks when driving.
Always adapt speed regarding road,
traffic and weather conditions.
The driver assistance systems do not
relieve the driver from full responsibility
for vehicle operation.
When driving abroad make sure the
vehicle uses the speed unit of the
respective country. If necessary, select
the correct units in the Information
Display.
Tyre Pressure Monitoring
System (TPMS)
The tyre deflation detection system
continually checks the rotation speed
of all four wheels and warns on low
tyre pressure condition once vehicle is
driving. This is achieved by comparing
tyre rolling circumference with reference
values and further signals.
If a tyre loses pressure the control
indicator illuminates and a warning
message is displayed on the cluster.
Control indicator
ð page 54
In this case reduce speed, avoid sharp
cornering and strong braking.
Stop at next safe opportunity and check
tyre pressure.
After adjusting tyre pressure initialise
system to extinguish the control indicator
and restart system.
If the failure continues to be displayed,
contact a workshop. The system is
inoperable when the ABS or Electronic
Stability Control has a malfunction or a
temporary spare wheel is used. Once
the tyre has been refitted, check the tyre
140
Advanced Driving Assistance Systems
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