ensures the veh icle will be able to start after long
periods of time . Some convenience functions,
such as interior lighting or power seat adjust-
ment, may not be available under certain circum-
stances. These convenience functions will be
ava ilable aga in once you switch the ign ition on
and start the engine .
With the engine switched off
The battery will drain if you use functions such as
listening to the radio while the engine is sw itch-
ed off.
The vehicle's ability to start may be impaired by
the energy use, a message will appear in the In-
fotainment system d isp lay.
The message indicates that the system will
switch off automatically soon . If you wou ld like
to continue using the functions, you must start
the eng ine.
With the engine running
Although electrical energy is generated whi le
d riving, the battery can drain. This can happen
when little energy is generated, and much is used
and the charge level of the battery is not optimal.
To restore the balance of energy, components
that require large amounts of energy are tempo-
rari ly scaled back or switched off. Heating sys-
tems in part icu lar require a great deal of energy.
If you notice, for example, that the seat heating*
or rear window defroster is not working, then it
has been temporarily reduced or switched off .
These systems are available again as soon as the
e nergy ba lance has been restored.
In addition, you may notice that the idle speed
has slightly increased . That is normal and no
cause for conce rn . Due to the increased idling
speed , the additional required ene rgy will be
generated and the battery will be charged.
Intelligent Technology
193
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