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230
Ch e ck ing and filling
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 disconnected from the vehicle elec-
trica l system for safety reasons ¢
&
in Re-
pair, core and disposal of the airbags on
page 159.
Disconn ecting the battery 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 drive n 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 192.
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 temperatu res drop . This
is because more power is also consumed while
start ing, and the headlights, rea r 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
dea ler check t he capacity of the vehicle bat -
tery before winter sets in ¢ page 232. A well
charged batte ry will not only prevent sta rting
problems when the weather is cold, but will
also last longer.
(D
Tips
If your vehicle is left standing for several
weeks at extremely low temperatures, the
vehicle battery sho uld 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-
t hing 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 follo w ing WARNINGS are very
important when working on the battery :
Always heed the follo w ing WARNING SYM-
BOLS and safety precaution s when working
on the battery .
®
Always wear eye protection .
,0,.
Battery acid contains sulfuric acid. Al-
~
ways wear gloves and eye prot ect ion.
~
No
\!SI
-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
'if!:11 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:
-
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