M N
0:: loo ,...., \!) 1.1'1
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q &.. However, we recommend not using a
thawed battery again because the battery casing
can be cracked due to ice formation and can leak
battery acid.
Batt ery chargi ng (Maximum cha rging rate of
30 amp s/14 .8 Volt )
When charging at
low voltages (e.g. with a trickl e
cha rger ), the battery cables do not have to be
d isconnected first. The battery caps shou ld
not
be opened when charg ing a battery.
It is not necessary to remove the battery from
the luggage compartment.
Fast charging th e battery (char ging rat e
above 14 .8 Vo lt s)
For technical reasons do not use a battery charg
er 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.
- 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 which were frozen.
The battery hous ing 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. Hyd rogen gas generat
ed by t he battery is explos ive.
- To reduce the danger of explosion, never
co nnect or disconnect cha rger cables while
the cha rger is operating.
- Fast charg ing a battery is dangerous and
should only be attempted by a competent
tec hnician with the p roper equipment.
- Battery acid that may spill du ring charg ing
sho uld be washed off w ith a so lution of
wa rm w ater and baking soda to ne utralize
the acid .
Checking and Fillin g
(D Note
Never use a fast charger as a booster to start
the engine . This will ser iously damage sensi
tive electronic components, s uch as control
units, relays, radio, etc., as well as the battery
charger.
Battery replacement
The new battery must hove the some specifica
tions and dimensions as the original equipment
battery.
Intelligent energy management in your vehicle is
responsible for distributing the electrical energy
t h roughout your vehicle
q page 175. The intelli
gent energy management system w ill keep the
engine battery charged better then vehicles with
out this system. To make s ure the addit ional elec
t rical energy is ava ilab le once again afte r yo u
have changed the battery, we recommend that
you install batteries of the same type and man u
facture on ly (the same as those insta lled at the
t ime yo ur vehicle was delivered). Specifications
are listed on the battery hous ing. Your author
ized Audi dealer must code the battery in the en
ergy management system to enab le you to use
the e nergy management fu nctions correctly after
replacing the battery.
If it is not possib le to use a battery of this type,
the new battery must have the same capac ity,
voltage ( 12-volts), amperage, construction and
plug sealing.
When installing the battery, make sure the igni
t ion and all electr ica l consumers are turned off.
(D Note
Make sure the ventilat ion hose on the side of
the battery is connected, otherwise fumes or
battery acid can leak out.
@ For the sake of the environment
Because of the prob lem of proper disposal of
a battery, we recommend your authorized
Audi dealer change the battery for you. Bat
teries contain sulfur ic acid and lead and must
a lways be d isposed of properly in compliance ..,.
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