Checking and relling levels
Error: 12 V battery. Restart impos-
sible. Go to the workshop.
There is a fault in the connection between the
on-board network and the 12-volt battery.
If the drive system is switched o in this situa-
tion, it cannot be switched on again. If neces-
sary, use the jump leads ››› page 268 or seek
assistance from qualied personnel.
•
Contact a specialised workshop.
•
Request a check of the electrical system.
12 volt battery
The indicator lamp lights up YELLOW. The fol-
lowing messages may be displayed:
Error: 12 V battery diagnosis.
Please visit workshop.
There is a fault in the 12-volt battery monitor-
ing system.
OR:
Error: 12 V supply. Please visit
workshop.
There is a fault in the 12 V on-board network
•
Contact a specialised workshop.
•
Request a check of the electrical system.
12 volt battery
The indicator lamp lights up YELLOW. The fol-
lowing message is displayed:
Replace the 12V vehicle battery.
Please visit workshop.
The 12 volt battery has almost reached the end
of its service life.
•
Contact a specialised workshop.
•
Have the 12 volt battery checked and re-
placed if necessary ››› page 290.
12 volt battery
The indicator lamp lights up YELLOW. The fol-
lowing message is displayed:
Please have the 12 V battery
checked. Go to the workshop.
There is a fault in the connection between the
on-board network and the 12-volt battery.
•
Contact a specialised workshop.
•
Request a check of the electrical system.
12 volt battery
The indicator lamp lights up YELLOW. The fol-
lowing message is displayed:
12 V battery charge low. Charge
while driving.
The 12-volt battery charges poorly, e.g. due to
very low temperatures.
•
Make a short trip to recharge the battery.
OR:
The diagnosis of the 12 volt battery was cancel-
led because the vehicle has been restarted, for
example.
•
If after parking for a prolonged period of
time (e.g. overnight), the warning lamp is still
one, go to a specialised workshop and have
the electrical system checked.