Audi A4 2014 Owner's Manual page 196

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194
Intelligent
technolog
y
Please start the engin e soon or th e system
will be tu rned off.
The warning ind icates that t he system will be
turned off automa t ically after 3 minut es. If
you wish to continue using the functions , you
have to start the engine .
With the engine running
Although electrical energy is generated when
the vehicle is being driven , the battery can be-
come discharged. This happens most ly when
little energy is being generated and a great
deal consumed and the battery 's state of
charge is not optimal.
To br ing the energy balance back into equili-
brium, consumers which require especia lly
large amounts of energy are temporarily cut
back or switched off. Heating systems in par·
ticular requ ire a great deal of energy. If you
notice, for example, that the heated seats* or
the heated rear window are not heating, they
have been temporar ily cut back or switched
off. These systems will be available again as
soon as the energy balance has been restored.
You will also notice that engine idle speed has
been increased slightly . This is norma l and not
a cause fo r concern . By increas ing engine idle
speed the add itiona l ene rgy required is gener-
ated and the batte ry is charged.

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