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Have the battery checked when you take your
vehicle in for service. You are well advised to
replace a battery that is older than 5 years.
With certa in types of airbag deployment, the
battery is disconnec t ed from the vehicle elec-
trica l system for safety reasons
c::>
&.
in Re-
pair, care and disposal of the airbags on
page 174.
Disconn ecting the battery t erminal s
Some vehicle functions (power window regu-
lators, for example) are lost if the battery ter-
minals are disconnected . These functions have
to be relearned after the battery terminals are
connect ed again. To prevent this, the battery
should only be disconnected from the vehicle
electrical system when absolutely necessary
for repairs .
Ve hicles not driven for long period s
If you do not drive your vehicle over a period
of several days or weeks, electrical compo-
nents are gradually cut back or switched off.
This reduces energy consumption and main-
tains starting capab ility over a longer per iod
c::>
page 206.
Some of the convenience functions may not
operate, such as the inter ior lights or the
power seat adjustment. The convenience
functions will be available again whe n you
turn on the ignition and sta rt the eng ine.
Winter operation
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, rea r window de-
fogger, etc., are used more often .
Avoid unnecessary power consumption, par-
ticularly in city t raffic or when t raveling only
short distances. Let your authorized Audi
dea ler check t he capacity of t he vehicle bat-
t ery before winte r sets in
c::> page 245.
A well
charged batte ry will not only prevent sta rting
problems when the weathe r is cold, but will
also last longer.
Checkin g and fillin g
243
(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 being damaged and having
to be replaced .
Working on the battery
Be especially careful when working on or near
the battery.
The battery is located in the luggage compart-
ment under the floor. Before you check any-
th ing in the luggage compartment,
read and
heed all WARNINGS
c::>
&_.
Always heed the
safety warnings ,
when work-
ing on the vehicle battery or the vehicle elec-
trical system to prevent injury.
The following WARNINGS are very
important when working on the battery:
Always heed the follo wing WARNING SYM-
BOLS and safety precautions when working
on the battery.
@)
Always wear eye protection .
I).
Batte ry acid contains sulfuric acid. Al-
~
ways wear gloves and eye protection .
~
No
\!!51
-sparks
- flames
- smoking.
A.
Wh en a battery is charged, it produces
~
hydrogen gas which is explosive and
could cause personal injury.
~
Always keep the battery well out of
V:!Y
reach of children .
_&.
WARNING
Whenever working on t he battery or on
the electrical system, there is the risk of
injury, accident and even fire. Read and
heed the following WARNINGS:
-
•
•
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