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still functioning and they will draw energy
from the battery and drain it, for example, the
engine immobilizer . To prevent this, you can
e ither charge the battery occasionally to keep
it in good working condi t ion or you can d is-
connect the negat ive cable on the battery .
Winte r operati on
During the winter months, battery capacity
tends to decrease as temperatures
drop . This
is because more power is also consumed while
start ing, and the headlights, rear window de-
fogger, etc ., are used more often .
Avoid unnecessary power consumption, par-
ticularly in city traffic or when traveling on ly
short distances. Let your authori zed Audi
dealer check the capacity of the vehicle bat -
tery before winter sets in
¢ page 192 .
A well
charged battery will not only prevent starting
prob lems when the weathe r is cold, but will
a lso last longer .
Replacing battery
The new battery
must have
the same capaci -
ty, voltage (12 volts), amperage, construction
a nd plug sealing, as the origina l batte ry. Spec-
ifications are listed on the batte ry housing.
Batteries specially developed by Audi fulfill
the ma intenance, output, and safety require -
ments.
When insta lling the bat t ery, make sure t he ig-
nition and all e lectr ical cons umers are sw itch-
ed off
¢ (j) .
We recommend that you use ma intenance-
free or
cycle-resistant / leak-proof
batteries
according to the standards TL 825 06 (from
December 1997) and VW 7 SO 73 (from Au-
gust 200 1) .
Replacing the battery should be ca rried by a
qua lified workshop. Please follow the instruc-
tions on the battery cover.
(D
Note
- All work on t he battery requires techni-
ca l knowledge. Please contact an Audi
dealership or anothe r a uthorized facili ty
Checkin g and fillin g
189
for questions abo ut the batte ry - danger
of acid burns and exp losion hazard!
- The battery must not be opened! Do not
try to change the battery's liquid level,
otherwise detonating gas will escape
from the battery - explosion hazard!
- The AGM battery in the luggage com-
partment cannot leak, because the elec -
tro lyte for this battery is absorbed into a
special glass mat. This leak-proof battery
must not be replace with a convent iona l
battery.
- Make sure the ventilation hose on the
side of the battery is connected, other-
wise fumes or battery ac id can leak out.
- Battery holder and terminals always
have to be secured correctly.
- Before all work on the battery follow the
warnings
below ¢ .&.
in Working on the
battery on page 190.
@)
For the sake of the environment
Because of the prob lem of proper disposal
of a battery, we recommend your author-
ized Audi dealer change the battery for
you. Batteries contain sulfur ic acid and
lead and must always be disposed of prop-
erly in compl iance with a ll environmental
regulat ions. Disposing of vehi cle batter ies
improperly is very dangerous to the envi-
ronment. Make sure that the removed bat-
tery cannot overbalance, otherwise sulfu-
ric acid might escape!
(D
Tips
If your vehicle is left standing for several
weeks at extremely low temperatures,
the
vehicle battery shou ld be removed and
stored where it will not freeze. This will
prevent it from be ing damaged and having
to be replaced .
•
•
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