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Checking
and Filling
Disconnecting the battery terminals
Some vehicle functions (power window regula-
tors, for example) are lost if the battery termi -
na ls are disconnected.
These functions have to be
relearned after the battery terminals are con-
nected again. To prevent this, the battery should
only be disconnected from the vehicle e lectrical
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, electrical components are
gradually cut back or sw itched off. This reduces
energy consumption
and ma intains starting ca-
pab ility over a longer period
c::>
page 195 .
Take into consideration that when you unlock
your veh icle, some convenience functions, such
as the interior lights or the power seat adjust-
ment, may not be available. The convenience
functions will be available again 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 be-
cause more power is also consumed while start-
ing, and the head lights, rear window defogger,
etc., are used more often .
Avoid unnecessary power consumption,
particu-
larly in city traffic or when traveling only short
d istances . Let your authorized Audi dealer check
the capacity of the vehicle battery befo re w inter
sets in c::>
page 231.
A well cha rged battery w ill
not on ly preven t starting problems when the
weather is cold, but will also last longer.
Working on the battery
Be especially careful when working on or near
the battery.
The batte ry is located in the luggage compart-
ment under the floor. Before you check anything
in the luggage compartment,
read and heed all
WARNINGS
c::>
& .
Hybr id drive*: you can find important information
about the high vo lta ge battery unde r
c::>
page 97.
230
Always heed the safety warnings , when working
on the vehicle battery or the vehicle electrical
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 .
.b
WARNING
-
Whenever working on the battery or on the
e lectrica l 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 injury.
- Battery acid contains sulfuric acid. Sulfuric
acid can cause blindness and severe burns.
-A lways wear g loves and eye protection. Do
not tilt the battery because acid could lea k
out of the ventilation openings.
- If you get battery acid in yo ur eyes or on
you r skin, immediate ly rinse with cold wa-
ter for several minutes and get medical at-
tention .
- If you should ingest any battery acid , seek
medical attention
immediate ly.
- Do not expose the battery to an open flame,
elec tr ic sparks or an open light.
- Do not smoke.
~
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