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Practical tips
●
All maint
enance works involving the 48
volt battery should only be performed by
duly qualified and trained technical staff .
●
Never make any changes to the 48 volt
battery.
WARNING
Make sure the 48 volt battery does not
come int
o contact with water or other flu-
ids.
●
Liquids may cause short circuits, electri-
cal shocks and burns.
Control lamps
3 V
alid for: Mild Hybrid vehicles
Indicator lamps and driver messages on the
instrument cluster display or infotainment
system:
Error: 48V electrical system. Do
not start driving. Check the manual.
The warning lamp lights up yellow when the
vehicle is stopped.
The charge level of the 48 volt battery is too
low.
●
Do not start driving.
●
Leave the engine running with the vehicle
st
opped until the warning lamp switches off.
●
Start driving when all the warning lamps
have switched off.
If the yellow warning lamp does not switch
off within 3 minutes, seek professional as-
sistance.
Error: 48V electrical system.
Stop safely! Check the manual.
The indicator lamp lights up red while driving.
The charge level of the 48 volt battery is too
low.
●
Park the vehicle in a safe place.
●
Switch off the ignition and wait for 3 sec-
onds.
●
Switch ignition back on.
●
The indicator lamp lights up yellow.
●
Leave the engine running with the vehicle
stopped until the warning lamp switches off.
●
Start driving when all the warning lamps
have switched off.
If the yellow warning lamp does not switch
off within 3 minutes, seek professional as-
sistance.
Energy management
Optimisation of the starting ca-
pacity
The power management controls the distri-
bution of el
ectrical energy and thus helps to
ensure that there is always enough power
available to start the engine.
If a vehicle with a conventional electrical sys-
tem is left parked for a long time, the battery
will gradually lose its charge because certain
electrical devices, such as the electronic
gearbox lock continues to draw current even
when the ignition is off. In some cases there
may not be enough power available to start
the engine.
Your vehicle is equipped with an intelligent
power management system to control the
distribution of electrical energy. This signifi-
cantly improves reliability when starting the
engine, and also prolongs the useful life of the
battery.
The main functions incorporated in the power
management system are battery diagnosis,
residual current management and dynam-
ic power management.
Battery diagnosis
The battery diagnosis function constantly
registers the condition of the battery. Sensors
342
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