Problem Possible causes/consequences and M Solutions
Environmental influence are interfering with the Lane Keeping
Assist. Possible causes:
R
Heavy rain or snow or thick fog is impairing visibility.
R
Lane markings cannot be detected.
Lane Keeping
Assist is automatically operational again when the
causes listed no longer apply.
If the windscreen is clean and the causes listed do not apply, then
the electronics are malfunctioning.
System electronics are faulty.
X
Consult a qualified specialist workshop.
¤ flashes for
a max-
imum of 5 seconds.
Colour display: green
à warning lamp
flashes for a maximum
of five seconds.
Warning tone sounds.
A lane boundary marking was crossed without using the turn signal.
X
Stay inside the lane boundary markings.
X
Use indicator before changing lanes.
Colour display: Rain/
light sensor
inoper‐
ative appears.
Rain/light sensor is malfunctioning.
X
Manually adjust exterior lighting.
X
Manually adjust windscreen wipers.
X
Consult a qualified specialist workshop.
¯ flashes for
approximately
10 seconds.
Warning tone sounds.
Colour display: ¯
Cruise control
inop‐
erative appears.
Cruise control is malfunctioning and deactivates automatically.
X
Consult a qualified specialist workshop.
¯ flashes for
approximately
10 seconds. C and
other warning lamps
are also lit.
Warning tone sounds.
Colour display: Elec‐
tronics
malfunction
Visit workshop
appears.
Central vehicle electronics system and cruise control are mal-
functioning. After switching off the engine, it is no longer pos-
sible to lock or unlock the doors using the remote control on the
key or to start the engine.
X
Pull over and stop the vehicle immediately, paying attention to
road and traffic conditions.
X
Consult a qualified specialist workshop.
È lights up.
Speed display flashes.
Warning tone sounds.
Vehicle is exceeding the set limit speed.
X
Brake the vehicle, paying attention to road and traffic condi-
tions.
178
Driver assistance systems
>> Practical advice.
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