Driver Assistance Systems - SMART fortwo coupé Owner's Manual

Driver assistance systems

182
Driver assistance systems
Problem
· Red warning lamp
is lit.
Warning tone sounds.
· Red warning lamp
is lit.
^ Yellow warning
lamp lights up while
driving.
Colour display:
tance warning inop‐
erative Electron‐
or
ics malfunction
Visit workshop
appears.
^ and C and
other warning lamps
are lit.
à flashes for
approximately
3 seconds.
Warning tone sounds.
Colour display:Lane
Keeping Assist inop‐
erative
appears.
Possible causes/consequences and M Solutions
Forward collision warning detects obstacle on the road.
X
Pay careful attention to the road and traffic conditions and be
ready to brake.
Distance to the vehicle in front is too short for the current speed.
X
Increase the distance.
The sensors in the radiator trim are dirty.
X
Clean the sensors.
Dis‐
Environmental influences or error sources outside the system are
temporarily interfering with the forward collision warning. Pos-
sible causes:
Heavy rain or snow.
R
Operating temperature is too high.
R
On-board voltage is too low.
R
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.
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.
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.