spark plug AUDI A4 2017 Owners Manual

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& WARNING
Charging a battery can be dangerous.
- Always follow the operat ing instruct ions
provided by the battery charger manufactur­
er when charging your battery .
- Never charge a frozen ba ttery . It may ex­
plode because of gas trapped in the ice. A l­
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 we ll ventilated area.
Keep away from open flame or electrical
spark. Do not smoke . Hydrogen gas generat­
ed by the battery is exp losive.
- To reduce the danger of explosion, never
connect or disconnect charger cables whi le
the charger is operat ing.
- Fast charging a battery is dangerous and
should only be attempted by a competent
technician with the proper equipment.
- Battery acid that may spill during charging
should be washed off with a solution of
warm water and baking soda to neutralize
the acid .
(D Note
Never use a fast charger as a booster to start
the engine. This will serious ly damage sensi­
tive electronic components, such as control
units, relays, radio, etc ., as well as the battery
charger .
Replacing the battery
Your veh icle is equipped with an inte llige nt ene r­
gy management system for d istr ibut ing elect rici ­
ty ¢
page 138. The battery cha rges better in
vehicles with the en ergy management system
than in vehicles without the system. To ensure
that th e additional pow er is availabl e after re ­
p lac ing the battery, rep lacing w ith the same type
of b attery from the s ame manufac turer ( like the
battery that was delivered with the veh icle) is
recommended . Yo ur authorized deale r must code
the battery in the energy management system to
Ch eck ing and Filling
enable you to use the energy management func­
tions corr ectly aft er replacing the batt ery .
If it is no t possib le to use a battery of this type,
the new battery mus t have the same capacity,
vo ltage ( 12-volts), amperage, construction and
plug sealing.
When install ing the battery, make sure the ig ni­
t ion and all electr ica l cons umers are tu rned off.
Q) Note
- Vehicles, fo r example with a Start-Stop sys­
t em*, a re equipped with a specia l cycle­
proof bat tery (such as an AGM battery). In­
sta lling a different type of battery can cause
prob lems in the veh icle elect rical system .
When replacing the vehicle battery, always
install one w ith the same specifications as
the origina l battery.
- Make sure that the gas venting hose is al­
ways connected to the original opening on the battery s ide . Otherw ise gasses or bat­
tery acid could leak out .
- Battery mounts and clamps must always be
secured correct ly .
- Read and follow the warn ings under
¢
page 313, Working on the battery before
performing any work on the battery.
® For the sake of the environment
Because of the problem of proper d isposa l of
a battery, we recommend your authori zed
Audi dealer change the battery for you. Bat ­
teries contain sulfur ic acid and lead and must
always be disposed of properly in compliance
wi th a ll envi ronmenta l reg ulat ions. Dispos ing
of veh icle bat teries improperly is very da nger­
ous to the environment.
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