- If the power steering system is not fu nc-
tioni ng properly, contact your a uthorized
Audi dealer immediate ly.
Driving with your
quattro
Applies to vehicles: with all-wheel dr ive
With all-wheel drive, all four wheels are driv-
en.
General inform ati on
With all-wheel drive, power is distributed to
all four wheels . This happens automatically
depending on your dr iving sty le and the road
conditions at the t ime. See a lso
r=;,page 148.
The all-wheel drive concept is designed for
high engine power . Your vehicle is exception-
ally powerful and has excellent dr iving charac -
ter istics both under normal driving conditions
and on snow and ice. Always read and follow
safety precautions
c::;, ,&..
Winter t ires
When drivi ng in the w inter, your ve hicle w ith
all-wheel drive has an advantage, even with
regular t ires. In winter road conditions it may
be adv isable to mount winter t ires (or all-sea-
son t ires) for improved driveability and brak-
ing: these tires must be mounted on
all four
wheels.
See also c::;, page 202, Winter tires.
Snow chains
Where t ire cha ins are mandatory on certain
roads, th is normally a lso applies to vehicles
with a ll-wheel d rive
c::;, page 203, Snow
chains .
Replacing wheels / tire s
Vehicles w ith all-wheel drive must always
have tires of the same size. Also avoid t i res
with d iffe ren t tread depths. For details see
page
c::;, page 198, New tires and replacing
tires and wheels.
Off-Road driving?
Your Audi does not have enough ground clear-
ance to be used as an off-road veh icle.
It is
Int e llig e nt technolog y 153
therefore best to avoid rough tracks and un -
even terrain as much as possib le . Also refer to
c::;, page 15 7.
_& WARNING
Always adjust your dr iving to road and traf-
fic conditions. Do not let the extra safety
afforded by all-wheel drive tempt you into
taking extra risks .
- Although the all-wheel drive is very ef-
fective, always remember that braking
capacity is lim ited by tire tract ion. You
should t herefore not d rive at excessive
speeds on icy or slippe ry road s urfaces.
- On wet road surfaces, be careful not to
drive too fast because the front wheels
could begin to slide o n top of the water
(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 electrical energy for starting
the engine.
If a vehicle with a conventiona l energy system
is not d riven for a long per iod of t ime, the bat-
te ry is discharged by idling current consumers
(e.g . immobilizer). In certain circumstances it
can res ult in there being insufficient energy
available to start the eng ine.
Intellige nt energy managemen t in your vehi-
cle handles the dis t ribution of e lectrica l ene r-
gy. Starting ability is marked ly improved and
the life of the battery is extended .
Bas ica lly, energy managemen t consis t s of
battery diagnosis, idling current manage-
ment
and dynamic energy management .
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