Audi A3 Sedan 2015 Owner's Manual page 224

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222
Ch eck ing and Fill in g
and then the negative cable . Never inter-
change the cables - this could start a fire!
- Never charge a frozen or a thawed-out
battery. It could explode! If a battery has
frozen, then it must be replaced. A dead
battery can freeze over at 32°F (0°C).
- Make sure the vent hose is always attach-
ed to the opening on the side of the bat-
tery.
- Never use batteries which are damaged.
There is the danger of an explosion! Al-
ways replace a damaged battery.
&_
WARNING
California Propos ition 65 Warning:
- Battery posts, terminals and related ac-
cessories contain lead and lead com-
pounds, chemicals known to the State of
California to cause cancer and reproduc-
t ive problems. Wash hands after han-
dling.
(D
Note
- Do not d isconnect t he veh icle battery
when the ignition is on or when the en-
gine is running, otherwise, you will dam-
age ele ctron ic componen t s in the elec t ri-
ca l system.
- If your vehicle is going to stand for a
long period of time wit hout being driven,
protect the battery from "freezing", oth-
e rwise it will be damaged and will then
have to be replaced.
Battery charging
Starting the engine requires a well charged
battery.
Fig . 154 Engine compartment : connectors for a charg-
er and jump start cables
Always read and heed all WARNINGS
below
c>
&.
and
c>
&.
in Working on the battery on
page 221.
.. Switch off the ignition and all electrical con-
sumers.
.. Make sure the area is well ventilated when
you charge the battery .
.. Open the eng ine hood
r=;,
page 211 .
.. Open the red cover on t he positive pole
r=;,
fig. 154 .
.. Clamp the cha rger term inal clamps as in-
structed on the
batter y terminal (+)
and on -
ly o n the
body ground point (-) .
.. Only now plug the mains lead for the charg-
ing equ ipment into the wa ll outlet and turn
iton
c>
&, .
.. Make sure th e charging rate is not over
30 amps/ 14 .8 volts .
.. When the battery is fully charged: Turn the
charg ing equipment off and remove the
mains lead from the wall outl et .
.. Now remove t he clamps for the cha rging
equipment .
.. Close the red cover on the positive pole .
.. Close the hood
~
page 211.
A d ischarged bat tery can
freeze
at tempera -
tu res of only 32 F
0
(0 °C). Allow a frozen bat-
tery to thaw completely before attempting to
charge it
r=;,
.&, . However, we recommend not
using a thawed battery again because the bat-
te ry casing can be cracked due to ice forma-
t ion and can leak battery acid .
..,.

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