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MAINTENANCE AND SERVICE
370
IMPORTANT
If the following instruction is not observed
then the energy saving function for infotain-
ment system may be temporarily disengaged,
and/or the message in the combined instru-
ment panel's information display about the
starter battery's state of charge may be tem-
porarily inapplicable, following the connection
of an external starter battery or battery
charger:
•
The negative battery terminal on the car's
starter battery must never be used for
connecting an external starter battery or
battery charger - only the car chassis
may be used as the grounding point.
See Jump starting with another battery
(p. 275) for a description of how the cable
clamps must be attached.
NOTE
The life of the battery is shortened if it
becomes discharged repeatedly.
The life of the battery is affected by several
factors, including driving conditions and cli-
mate. Battery starting capacity decreases
gradually with time and therefore needs to be
recharged if the car is not used for a longer
time or when it is only driven short distances.
Extreme cold further limits starting capacity.
To maintain the battery in good condition, at
least 15 minutes of driving/week is recom-
mended or that the battery is connected to a
battery charger with automatic trickle charg-
ing.
A battery that is kept fully charged has a
maximum service life.
Related information
•
Battery - symbols (p. 370)
•
Starter battery - replacement (p. 371)
Battery - symbols
There are information and warning symbols on
the batteries.
Symbols on the batteries
Use protective goggles.
Further information in the
owner's manual for the car.
Store the battery out of the
reach of children.
The battery contains corro-
sive acid.
