will sti ll be ab le t o st eer the vehicle.
However,
considerably more effort will
be required to do so.
- If the power steering system should
have a leak, or is not fu nctioning proper-
ly, contact your authorized Audi dealer
immediately.
- The power steering system requires a
spec ially formulated hydraulic fluid. The
power steer ing reservo ir is the one locat-
ed farthest to the rear on the left side of
the engine compartment
¢ page 234 .
The correct flu id leve l in the reservoi r is
important for proper functioning of the
power st eer ing.
Driving with your
quattro ®
With all wheel drive, all four wheels are driv-
en.
General information
With all wheel drive, powe r is distr ibuted to
a ll fo ur whee ls. This happens automatica lly
depending on your driving sty le and the road
conditions at the t ime. See also ¢ page 199,
Electronic differential lock (EDL).
Winter t ires
When driving in the winter, your vehicle with
all whee l drive has an advantage, even with
regular tires. In winter road conditions it may
be adv isable to mount winter tires (or all-sea-
son t ires) for improved driveability and brak-
ing: these tires must be mounted on
all four
wheels.
See also ¢ page 262, Winter tires .
Tire chains
Where tire cha ins are mandatory on certain
roads, th is normally a lso applies to vehicles
with all wheel drive ¢ page 263, Snow
chains.
Replacing wheels / t ires
Vehicles wit h all whee l drive must always have
tires of the same size. Also avoid tires with
d ifferent tread depths. For details see page
Int e llig e nt technolog y 203
¢ page 2 58, New tires and replacing tires
and wheels .
A WARNING
Always adj ust your dr iving to road and traf-
fic conditions. Do not let the extra safety
afforded by all whee l dr ive tempt you into
taking extra risks.
- Although the all whee l drive is very effec-
tive, always remember that braking ca-
pacity is limited by tire tr act ion . You
should therefore not d rive at excessive
speeds on icy or slippe ry road surfaces.
- On wet road surfaces, be careful not to
drive too fast because the front wheels
could begin to slide o n top of the wat er
(aquaplaning). If th is should occur, you
will have no warning from a sudden in-
crease in engine speed as with a front -
wheel drive veh icle. Always drive at
speeds which are su ited to the road con-
ditions - risk of crash.
Energy management
Starting ability is optimized
Energy management controls the distribution
of electrical energy and thus optimizes the
availability of electri cal energy for starting
the engine.
If a vehicle with a conventional energy system
is not drive n for a long per iod of t ime, the bat-
t e ry is dis charged by idling current consume rs
(e.g. immobilize r). In cert ain circumstan ces it
can res ult in the re being insufficient energy
available to start the eng ine.
Inte lligent energy management in you r vehi-
cle han dles t he dis t ribution of e lectr ical ene r-
gy. Start ing ability is marke d ly improved and
the life of the battery is extended .
Basically, energy ma nagement consis t s of
battery diagnosis, idling current manage-
ment
and dynamic energy management .
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