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Open the engine hood
¢
page 195
.
~
Open the cover on the positive pole
~
fig.
177
.
~
Connect the charger connectors accord ing to
the instructions to the j
ump st art
bolts. (Bolts
under the cover= "positive", Bolts with hex
head = "negat ive")
.
~
Only now plug the mains lead for the charg ing
equipment into the wall outlet and turn it on
~&
-
~
Make
sure
the charging rate is not
over
30
amps/
14 .8
Volt.
~
When the battery is fully charged: Turn the
charging equipment off and remove the mains
lead from the wall outlet.
~
Now remove the clamps for the charging equip-
ment.
~
Close the cover on the positive pole
.
~
Close the hood
9
page 195.
A discharged battery can
freeze
at temperatures
of only 32 °F (0 °C). Allow a frozen battery to
thaw completely before attempting to charge it
9
&
.
However, we recommend not using a
thawed battery again because the batte ry casing
can be cracked due to ice formation and can leak
battery acid.
Battery charging (Maximum charging rate of
30
amps/
14.8 Volt
)
When charging at
low
voltages (e.g. with a
tri
ckle
charger), the battery cables do not have to be
disconnected first. The battery caps shou ld
not
be opened when charging a battery.
It is not necessary to remove the batte ry from
the luggage compartment.
Fast charging th
e
battery (charging rate
above 14.8 Volts
)
For technical reasons do no
t
use a battery charg-
e
r
that uses voltage greater than 14.8 Volts to
charge your vehicle's battery
.
A
WARNING
Charging a battery can be dangerous.
-
Always follow the operating instructions
provided by the battery charger manufactur-
er when charging your battery.
Checking
and Fillin
g
-
Never charge a frozen battery. It may ex-
plode because of gas trapped in the ice. Al-
low a frozen battery to thaw out first.
-
Do not reuse batteries wh ich were frozen.
The battery housing may have cracked and
weakened when the battery froze.
- Charge the battery in a well ventilated area.
Keep away from open flame or electrical
spark. Do not smoke. Hydrogen gas generat-
ed by the batte ry is explosive.
-
To reduce the danger of explosion, never
connect or d isconnect charger cables wh ile
the charger is operating.
-
Fast charging a battery is dangerous and
should only be attempted
by a competent
technician with the proper equipment.
- Battery acid that may sp ill dur ing charging
should be washed off with a solut ion of
warm water and baking soda to neutralize
the acid
.
@
Note
Never use a fast charger as a booster to start
the
engine.
This will seriously damage sensi-
tive electronic components, suc
h
as control
units, relays, radio, etc., as we
ll
as the battery
charger.
Battery replacement
The new battery must have the same specifica-
tions and dimensions as the original equipment
battery.
Intelligent energy management
in your vehicle is
responsible for distributing the elect rical energy
throughout your vehicle
9
page
175. The intelli-
gent energy management
system
will
keep the
engine battery charged better then vehicles with-
out this system. To make sure the additional elec-
trical energy is avai lab le once again after you
have changed the battery, we recommend that
you install batteries of the same type and manu-
facture only (the same as those installed at the
t ime your vehicle was delivered)
.
Specifications
are listed on the battery housing
.
Your autho r-
ized Audi dealer must code the battery in the en-
ergy management
system to enab le you to use
.,,.
207
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