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21 8
Ch e ck ing and filling
Disconnect ing the batt e ry terminal 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
connected again. To prevent this, the battery
should only be disconnected from the vehicle
electrical system when absolutely necessary
for repairs .
Vehicles not driven fo r 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 period
~ page 182 .
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 when you
turn on the ignition and start the eng ine.
Winter 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 only
short distances . Let your authorized Audi
dealer check the capacity of the vehicle bat-
tery before winte r sets in ~ page 219. A well
charged battery will not only prevent starting
problems when the weather is cold, but will
also last longer .
(D
Tips
If your vehicle is left standing for severa l
weeks at extremely low temperat ures, the
vehicle battery should 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 ~
,&,
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 ve ry
important wh en wor king on the battery :
Alway s heed the following WARNING SYM-
BOLS and safety precautions when working
on the battery .
®
Always wear eye protection .
b..
Batte ry acid contains sulfuric acid. Al-
~
ways wear gloves and eye protect ion.
-
No
~
-sparks
- flames
--
- smoking.
A
When a battery is charged, it produces
~
hydrogen gas which is explosive and
could cause personal injury.
--
Always keep the battery well out of
®
reach of children .
_&
WARNING
=
Wheneve r working on the battery or on
the electrical system, there is the risk of
injury, accident and even fire. Read and
heed the following WARNINGS:
- Always wear eye protection. Do not let
battery acid or any lead particles get on
your skin or clothing. Shield your eyes.
Explosive gases can cause blindness or
other injury.
-
- Battery acid conta ins sulfuric acid. Sulfu-
ric acid can cause blindness and severe
burns.
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