Energy Management - Audi A3 Sedan 2015 Owner's Manual

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Intelligen
t
Technology
is not different
fro
m a two wheel drive vehi-
cle. Do not be tempted to accelerate to a
high speed when the road is slippery th is in-
creases the risk of an accident.
-
Note that on wet streets, the front wheels
can "hydrop lane" if driving at speeds that
are too high
.
Unlike front whee
l
drive
vehicles, the engi ne does not rev higher sud-
denly when the vehicl
e
begins hydrop laning.
For
t
his
reason, pay
att
ent ion
t
o the road
conditi
ons regardless of your speed.
Energy
management
The starting ability is optimized
The energy management system manages the
electrical energy distribution and optimizes the
availability of electrical energy for starting the
engine.
When a vehicle with a conventional energy sys-
tem is not driven
f
or a long time, the battery is
drained by equipment (for example the immobil-
izer)
.
In certa in circumstances
,
there could may
not be enough energy to start the engine
.
Your vehicle is equipped w it
h
an intelligent ener-
gy management system for distr ibut ing electric i-
ty
.
This sign ificantly improves the starting ability
and increases the battery life
.
The energy management system Is made up of
battery
diagnosis,
idling current management
and
dynamic energy management.
Battery diagnosis
The batte ry diagnosis determines the batte ry
charge
level.
The sensors determine the batte ry
voltage, the battery current
,
and the battery
t
emperature
.
The current charge level and the
performance of t he battery are dete rmined based
on this
.
Idling current management
The idling current management decreases the
energy used while parked. W it
h
the engine
switched off, it manages the energy distribution
to the different electrical components
.
Date from
battery diagnosis is taken into account for this
.
128
Depending on the batte ry charge level, electrical
equipment is switched off one item after the oth-
er, to prevent the battery from draining and to
retain the start ing ability.
Dynamic energy management
While driv ing, dynam ic energy management dis-
tribu
t
es the appropriate amount
of
energy to
t
he
electrica
l
equipment. It control
s
the battery
charge level so that more energy is not used then
is being generated in order to maintain an opti-
mal battery charge level.
(D
Tips
'
-
Energy management cannot overcome the
laws of physics. Note that the charge level
and length of the battery life are limited.
- When the sta rting ability is endangered, the
(•)
indicator light t urns on
c:>
page 19
.
What you should know
Maintaining the starting ability is the highest
priority.
A lot of st ress is placed on the battery when dr
iv-
ing short distances, in traffic, and at cold t imes
of the year. A lot of energy is used but little is
generated.
It
is also critical when the engine is
not ru nning but electr
ical
equipment is switched
on. In th is case, energy is used but none is gener
-
ated.
In sit uat ions like this, energy ma nagement w ill
active ly regu lated the distribution of
energy.
Long periods without use
If you do not
dr
ive your vehicle for several days or
weeks, electr
ical
consumers are grad ually scaled
back or switched off. This reduces energy use and
ensures the vehicle w
ill
be able to start after long
periods of time
.
Some convenience functions
such
as opening w it
h
the remote control key may
not be available. These convenience f unct ions
will be available again once you
swit ch
the igni-
tion on and
start
the
engine.
.,_

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