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What you should know
The highest priority is given to maintaining start-
ing capability .
The battery is severely taxed in short-distance
driving, in city t raffic and during the cold t ime of
year . Abundant electrical energy is required, but
only a little is generated . It is also critical if the
engine is not running and electrical components
are turned on. In this instance energy is being
consumed but none is being generated.
It is in precisely these situations that you w ill no-
tice energy management
actively regulating the
d istribution of ene rgy.
Vehicle stands for an extended period
If you do not drive your vehicle over a period of
several days or weeks , electr ical components are
gradually cut back or switched off. This reduces
energy consumption and maintains starting ca-
pability over a longer pe riod .
Take into consideration that when you unlock
your veh icle, some convenience functions, such
as the remote key or power seat adjustment,
may
not be available. The convenience functions will
be available again when you turn on the ignition
and start the engine .
With the engine turned off
If you listen to the radio, for example, with the
engine turned off, the battery is being dis-
charged .
If starting capability is jeopardized due to energy
consumption, a message appears in the driver in-
formation display .
You have to start the engine to charge the bat -
tery .
With the engine running
Although electrical energy is generated when the
vehicle is being driven, the battery can become
discharged. This happens mostly when little en-
ergy is be ing generated and a great deal con-
sumed and the battery's state of charge is not
optimal.
Intelligent
technology
To bring the energy balance back into equilibri-
um, consumers which require especially large
amounts of energy are temporar ily cut back or
switched off. Heating systems in part icular re-
quire a great deal of energy. If you notice, for ex-
ample, that the heated seats* or the heated rear
window are not heating, they have been tempo-
rarily cut back or switched off . These systems w ill
be available again as soon as the energy balance
has been resto red.
You w ill also not ice that engine idle speed has
been increased slightly . This is normal and not a
cause for concern. By incr easing eng ine idle
speed the additional energy required is generated
and the battery is charged.
Driver notification in the instrument
cluster display
If battery power drops int o the range where it
can limit the ability of the engine to start, this is
shown in the instrument cluster d isplay w ith the
following driver message :
[•] low battery charge: battery will be charged
while driving
This notification reminds you that the starting
capability of the engine may be limited. As soon
as you start driving again, the battery will be re-
charged and the notificat ion will go out .
Driver notification appears and goes out
again
If this driver notification appears after the igni-
tion is turned on or while driving and it goes out
again after a while, the battery has been ade -
quately recharged .
Driver notification appears and does not go
out again
If this driver notif ication appears after the ign i-
t ion is turned on or while dr iving and does not go
out again, the battery's state of charge is not in
t he optimal range. Starting ability is restricted .
Have the battery checked as soon as possible by
an authorized Audi dea le r or qualified workshop.
141
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