SMART forfour Owner's Manual page 173

Display messages (on-board computer with monochrome display)
Display messages
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Possible causes/consequences and M Solutions
The symbol flashes for a maximum of 5 seconds and in addition
a warning tone sounds.
Lane Keeping Assist warning
You are crossing a detected outer lane marking without indi-
cating.
X
Remain in lane, paying attention to road and traffic condi-
tions.
or
X
Indicate to change lane.
The symbol flashes for about 3 seconds and in addition a warn-
ing tone sounds. The symbol is then hidden.
Lane Keeping Assist is malfunctioning and deactivated. Pos-
sible causes:
the windscreen is dirty in the camera's field of vision
R
visibility is impaired due to heavy rain, snow or fog
R
there are no lane markings for a longer period
R
the lane markings are worn, dark or covered, e.g. by dirt or
R
snow
the system electronics are faulty
R
Lane Keeping Assist is automatically operational again when
the causes mentioned above no longer apply.
If the windscreen is dirty:
X
Pull over and stop the vehicle safely as soon as possible,
paying attention to road and traffic conditions.
X
Secure the vehicle against rolling away (
X
Clean the outside of the windscreen (
If the windscreen is clean and the causes listed above do not
apply, then the electronics are malfunctioning.
X
Visit a qualified specialist workshop.
The symbols flash for about 5 seconds. The symbols then both
remain lit.
The tyre pressure monitor is restarted (
The symbol lights up without the speed display.
The limiter has been activated without a speed being entered
or has been cancelled.
X
Set a limit speed .
Y
page 138).
Y
page 222).
Y
page 254).
171
Z