Checking and relling levels12-volt battery
• If necessary, the power of the most powerful
consumers is limited or, in an emergency, they
are switched o completely.
On-board network management cannot al-
ways prevent the 12 volt battery from discharg-
ing. This is the case if, for example, the vehicle
is left parked with the ignition or the side- or
parking light switched on for a long period of
time.
Factors causing the 12-volt battery to dis-
charge
•
Use of electric consumers while the drive
system is disconnected.
WARNING
Attaching the 12-volt battery incorrectly or
using unsuitable batteries may result in short
circuits, re and serious injury.
•
Use only maintenance-free 12 volt batter-
ies with an anti-spill system with the same
properties, specications and dimensions as
the factory-tted battery.
WARNING
Charging the 12-volt battery creates a highly
explosive mixture of detonating gases.
•
Only charge the 12-volt battery in a well-
ventilated place.
•
Never charge a 12-volt battery that is fro-
zen or has thawed. When the battery is dis-
charged, it may freeze at temperatures close
to 0°C (+32°F).
•
If the 12-volt battery has frozen, have it re-
placed without fail.
•
A short circuit may occur if the wires are
incorrectly connected to the poles. First con-
nect the positive cable and then the negative
one.
NOTICE
• Never connect or disconnect the 12-volt
battery while the drive system is switched on.
Also, never use a 12-volt battery that does
not meet the vehicle's battery specications.
The electrical system or certain electronic
components could be damaged and electri-
cal malfunctions could occur.
•
Never connect accessories that supply
power, such as solar panels or battery charg-
ers, to the 12-volt socket or cigarette lighter,
to charge the 12-volt battery. This could
damage the vehicle's electrical system.
For the sake of the environment
• The battery may contain toxic substances,
such as sulphuric acid and lead. Dispose of
the 12 volt battery in accordance with the
applicable regulations.
•
Electrolyte can contaminate the environ-
ment. If any operating uid leaks out, collect
it and dispose of it properly.
Troubleshooting
12 volt battery
The control lamp lights up in RED. The follow-
ing messages may be displayed:
Error: 12 V battery not charging.
Stop vehicle safely!
Error: 12V power supply. Stop
safely! Manual!
Stop driving! Stop the vehicle at the next
opportunity and in a safe place. The 12-volt
battery will not be charged while driving or
there is a fault in the on-board 12-volt network.
•
Switch o any electrical consumers that are
not required.
•
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: