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Disconnecting the battery terminals
Some vehicle
functions (power
window regula-
tors
,
for example) are
lost if the
battery termi-
nals
are disconnected.
These
functions have to be
relearned after th
e
battery
terminals are con-
nected again. To prevent this, the batte ry should
only be disconnected from the vehicle electrical
system when absolutely necessary for
repairs
.
Vehicles
not driven for 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 starting ca-
pability
over
a longer period
c:>
page 175
.
Some of the convenience functions may not oper-
ate, such as the
interior
lights or the power seat
adjustment. The convenience functions will be
available aga in when you turn on the
ignition
and
start
the
engine.
Winter operation
During the winter months,
battery
capacity tends
to
decrease
as
temperatures drop.
This
is
because
more power is also consumed while
st
art ing, and
the headlights,
rear
window defogger, etc ., are
used more often
.
Avoid
unnecessary
power consumption, part icu-
larly
in city
t
raffic or when traveling only short
distances
.
Let your authorized
Audi
dealer check
the capacity of
the
vehicle
battery
before winter
sets in
¢
page 206
.
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
temperatures, the
ve-
hicle
battery should be
removed
and stored
where it will not
freeze. This
will prevent it
from being damaged and having to be re-
placed.
Checking
and Filling
Working on the battery
Be especially careful when working on or near
the battery.
The battery
is
located in the
luggage
compart-
ment
under
t
he floor. Before you check anything
in
the luggage compartment
,
read and heed
all
WARNINGS
c:>
.&_
.
Always
heed
the
safety
warnings,
when working
on the vehicle battery or
the
vehicle electr ical
system to
prevent
injury.
The following WARNINGS are
very
important
when working on the battery
:
Always heed the following
WARNING
SYM-
BOLS and safety precautions
when working
on
the battery.
®
Always wear eye protection.
A
Battery acid contains
sulfuric
acid. Al-
ways wear
gloves
and
eye protection.
@
No
- sparks
-
flames
- smoking.
~
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.
A
WARNING
=
-
Whenever
working
on
the battery or on the
electr ical system, there is the risk of injury,
accident and even fire. Read and heed the
fol-
lowing WARNINGS:
-
Always wear eye protection
.
Do not let bat-
tery acid or any lead particles get on your
skin
or
clothing.
Shield
your
eyes. Explosive
gases
can cause
blindness or other
inju
ry.
-
Battery acid conta ins sulfuric
acid.
Sulfuric
acid can cause
blindness and severe
burns
.
-
Always wear gloves and eye protection.
Do
not tilt the
battery because
acid could leak
out of the ventilation openings.
...,
205
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