SMART EQ forfour 2018 Owner's Manual page 211

Problem
# Red warning
lamp lights up when
driving or when the
vehicle is ready to
start.
A warning tone
sounds.
Stop
Colour display:
See Owner's Manual
appears.
Colour display: #
Warning lamp lights
up.
Malfunction Visit
workshop
appears.
Monochrome display:
b Warning lamp
lights up.
Colour display: b
Warning lamp lights
up.
Malfunction See
Owner's Manual
appears.
Possible causes/consequences and M Solutions
12 V battery is not being charged or the high-voltage battery is
malfunctioning.
X
Do not drive on.
The engine may switch itself off after a short while.
X
Pull over and stop the vehicle, paying attention to road and
traffic conditions.
X
Switch off the engine.
X
Consult a qualified specialist workshop.
It may not be possible to drive the vehicle further and it may
not be possible to restart the engine.
Battery monitoring is malfunctioning.
X
Consult a qualified specialist workshop.
Dipped beam is on continuously. Main beam cannot be activa-
ted.
X
Switch off the engine.
X
Start the engine.
Warning lamp remains lit:
Brake lamps are inoperative. The bulb or LED is faulty.
G
WARNING
Risk of accident due to faulty brake lamps.
The brake lamps are faulty and no longer alert other road users
when braking.
X
Pull over and stop the vehicle, paying attention to road and
traffic conditions.
X
Consult a qualified specialist workshop.
Warning lamp still remains lit:
Rain/light sensor is malfunctioning.
X
Manually adjust exterior lighting.
X
Manually adjust windscreen wipers.
X
Consult a qualified specialist workshop.
Dipped beam is on continuously. Main beam cannot be activa-
ted.
X
Switch off the engine.
X
Restart the engine.
Battery, lights, heating
209
Z