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Have the battery checked when you take your ve-
hicle in for service. You are well advised to re-
place a battery that is older than 5 years .
Disconnecting the batt ery terminal s
Some vehicle funct ions (power window regula -
tors , for example) are lost if the battery termi-
nals are disconnected. These functions have to be
relearned after the battery terminals are con-
nected again. To prevent this , the batte ry shou ld
only be disconnected from the vehicle electrical
system when absolutely necessary for repairs.
Vehicles not driven fo r long periods
If you do not drive your vehicle over a period of
several days or weeks, electrica l components are
gradually cut back or switched off. This reduces
energy consumption and maintains st arting ca-
pability over a longer period <=> page 140. Some
of the convenience funct ions may not operate ,
such as the inter ior lights or power seat adj ust-
ment. The convenience functions will be available
again when you switch on the ignition and start
the eng ine.
Wint er 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 head lights, rear window defogger, etc., are
used more often.
Avoid unnecessary power consumption, part icu-
larly in city traffic or when traveling only short
dista nces . Let your autho rized Audi dea ler check
the capacity of the vehicle battery before winter
sets in <=> page 167. A well charged battery will
not only prevent starting problems when the
weather is cold, but will also last longer.
Replacing battery
The new battery
must have
t he same capacity,
voltage (12 volts), amperage, construction and
plug sealing, as the original battery . Specifica-
tions are listed on the battery housing. Batteries
specia lly developed by Audi fulfill the mainte-
nance, output, and safety requ irements .
Ch e c k ing and fillin g
When installing the battery, make sure the igni-
tion and all electrica l consumers are switched off
<=> 0 .
We recommend that you use maint enance-free or
cycle -resistant / leak-proof
batteries according to
the standards TL
825 06
(from April
2008)
and
VW 7 50 73 (from April 2010).
Replacing the bat t ery shou ld be carried by a
qualified workshop. Please follow the inst ruc-
tions on the battery cover.
(D
Note
- All work on t he battery req uires techn ical
knowledge . Please contact an Audi dealer -
ship or another authorized facility for ques-
tions about the battery - danger of acid
burns and explosion hazard!
- The battery must not be opened! Do not try
to change the battery's liquid level, other-
wise detonating gas will escape from the
battery- explosion hazard!
- The AGM battery in the luggage compart-
ment cannot leak, because the electrolyte
for this battery is absorbed into a special
glass mat . This leak-proof battery must not
be replace with a convent ional battery.
- Make sure the ventilation hose on the side
of the battery is connected, otherwise
fumes or battery acid can leak out.
- Battery holder and terminals always have to
be secured correctly.
- Before all work on the battery follow the
warnings
be low <=> &. in Working on the bat-
tery on page 166.
@
For the sake of the environment
Because of the prob lem of proper disposal of
a battery, we recommend your autho rized
Audi dealer change the battery for you. Bat-
teries contain sulfur ic acid and lead and must
always be disposed of properly in compliance
with all environmental regula t ions. Disposing
of vehicle batteries improperly is very danger-
ous to the environment . Make sure that the
removed battery cannot overbalance, other-
wise sulf uric acid might escape!
165
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