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Fast charging the batt ery (charging rate
above 14.8 Volt s)
For technical reasons do not use a batt ery
charger that uses voltage g reater than 14.8
Volts t o charge your vehicle's battery.
A WARNING
-
Charging a battery can be dangerous.
- Always follow the operating instructions
provided by the battery charger manu-
facturer when charging your battery.
- Never charge a fro zen battery. It may ex-
plode because of gas trapped in the ice.
Allow a frozen battery to thaw out first .
- Do not reuse batteries which were fro-
zen. 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 elec-
trical spark . Do not smoke . Hydrogen gas
gene rated by the battery is exp losive.
- To reduce the danger of explosion , never
connect or disconnect cha rger cables
wh ile t he charger is operating.
- Fast charg ing a battery is dangerous and
should only be attempted by a compe-
t ent technicia n with t he proper eq uip-
ment.
- Battery acid that may spill during charg-
ing should be washed off wit h a solution
of warm wat er and ba king soda to neu -
tralize the acid .
CD Note
Never use a fast charge r as a booster to
st art the engine. This will se riously da m-
age sensitive elect ronic components, such
as control units, relays, radio, etc., as we ll
as the battery charger .
Checkin g and fillin g
Battery replacement
The new battery must have the same specifi-
cations and dimensions as the original equip-
ment battery.
Int elligen t energy managemen t in your vehi-
cle is responsible for distributing the electri -
cal ene rgy throughout your vehicle
¢ page 202. The intelligent energy manage-
ment system will keep the engine battery
charged better than vehicles without t his sys-
tem. To make sure the additional electrica l en -
ergy is availab le once again afte r you have
changed the battery, we recommend that you
insta ll batteries of the same type and ma nu-
facture only (the same as those installed at
the time your ve hicle was delivered) . Specif i-
cat ions are listed on the battery housing . Your
authorized dea le r must code the battery in
the energy management system to enab le you
to use the ene rgy manageme nt func t ions cor-
rect ly afte r replacing t he battery.
The new battery must have the same capacity,
voltage
(12 volts), amperage, const ruction
and plug seal ing .
When installing the battery, make sure the ig-
nition and all elect rical consume rs are switch-
ed off.
CD Note
- Make sure the ventilation hose on the
side of the battery is connected, other-
wise fumes or battery acid ca n leak out .
- Vehicles with the Start-Stop-System* are
equipped with a spec ial cycle-p roof AGM
battery. Install ing a diffe rent type of
ba tt ery ca n cause problems in t he vehi -
cle e lectrical system. Whe n replacing the
vehicle battery, always install one with
the same specifications as the origina l
battery.
- Battery mounts and clamps must a lways
be sec ured correct ly.
- Read and fo llow the wa rnings under
¢ page 241, Working on the battery be-
fore per forming any work on the battery . ..,_
243
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