relay AUDI RS5 COUPE 2015 Owners Manual

Page 201 of 254

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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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