Driver assistance systems
Problem Possible causes/consequences and M Solutions
· Red warning lamp
is lit.
Warning tone sounds.
Forward collision warning detects obstacle on the road.
X
Pay careful attention to the road and traffic conditions and be
ready to brake.
· Red warning lamp
is lit.
Distance to the vehicle in front is too short for the current speed.
X
Increase the distance.
^ Yellow warning
lamp lights up while
driving.
Colour display: Dis‐
tance warning inop‐
erative or Electron‐
ics malfunction
Visit workshop
appears.
The sensors in the radiator trim are dirty.
X
Clean the sensors.
Environmental influences or error sources outside the system are
temporarily interfering
with the forward collision warning. Pos-
sible causes:
R
Heavy rain or snow.
R
Operating temperature is too high.
R
On-board voltage is too low.
Forward collision warning is operational again when the causes
listed no longer apply.
Warning lamp remains lit.
X
Pull over and stop the vehicle, paying attention to road and
traffic conditions.
X
Clean the sensors.
X
Restart the engine.
Warning lamp still remains lit.
X
Consult a qualified specialist workshop.
^ and C and
other warning lamps
are lit.
Central vehicle electronics system is malfunctioning.
After switching
off the engine, it is no longer possible to lock or
unlock the doors using the remote control on the key or to start the
engine.
Do the following:
X
Pull over and stop the vehicle, paying attention to road and
traffic conditions.
X
Consult a qualified specialist workshop.
à flashes for
approximately
3 seconds.
Warning tone sounds.
Colour display: Lane
Keeping Assist
inop‐
erative appears.
Windscreen is dirty in the camera's field of vision.
X
Pull over and stop the vehicle, paying attention to road and
traffic conditions.
X
Clean the windscreen.
Driver assistance systems
177
>> Practical advice.
Z
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