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The steering wheel will be easy to move after
starting the engine. Re-initialization might be
necessary if the steering whee l was moved hard
to the left and right while the vehicle was not
moving . The display turns off if the initia lization
was successful.
(D Tips
- If the . or l;:r-ij ind icator light only stays on
for a short time, you may continue driving.
- The dynamic steering stability systems
<=>page 127 are not available in the event of
a system malfunction.
- For additional informat ion on dynamic
steering, see
<=> page 111.
ALL wheel drive (quattro)
In all wheel drive, all four wheels are powered .
General information
In all wheel drive, the driving power is divided be-
tween a ll four wheels . This happens automatical -
ly depending on your driving behavior as well as
the current road conditions. Also see
<=> page 12 7, Electronic Stabilization Control
(ESC).
With the sport differential*, power distri-
bution to the rear whee ls is variable and can be
adjusted using the dr ive select
<=>page 111.
The all wheel drive concept is designed for high
engine power . Your vehicle is exceptionally pow-
erful and has excellent driving characterist ics
both under normal dr iving conditions and on
snow and ice. Always read and fo llow safety pre -
cautions <=>.&..
Winter tires
By using all wheel drive, your vehicle has good
forward mot ion with standard tires in winter con-
ditions. However, in winter we recommend using
winter or all season tires on all four wheels, be-
cause this will improve the braking effect.
Snow chains
If there are snow cha in laws, snow chains must
a lso be used on vehicles with all wheel drive
<=> page 298, Snow chains .
Intelligent Technology
Replacing tires
For vehicles with all w heel drive, only wheels with
the same rolling circumference should be used.
Avoid using tires with different tread depths
<=> page 2 90 , New tires or wheels.
Offroad vehicle?
Your Audi is not an offroad vehicle - there is not
enough ground clearance. For this reason, avoid
difficu lt terrain .
A WARNING
~
-
- Also, in vehicles with all whee l drive, adapt
your driving style to the current road and
traffic cond itions. Do not let the increased
safety prov ided tempt you into taking risks,
because this increases the risk of an acci -
dent.
- The braking ab ility of your vehicle is limited
to the traction of the wheels. In this way, it
is not different from a two wheel drive vehi-
cle. Do not be tempted to accelerate to a
high speed when the road is slipp ery, be-
cause this incr eases the risk of an accident.
- Note that on wet st reets, the front wheels
can "hydrop lan e" if dr iving at speeds that
are too high . Unlike front wheel drive
vehicles, the engine does not rev higher sud-
den ly when the vehicle begins hydroplaning.
For this reason, adapt your speed to the
road conditions to reduce the risk of an acci-
dent.
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 conventiona l energy sys-
tem is not driven for a long t im e, the veh icle bat-
te ry is drained by equ ipment (for example, the
immobilizer). In certa in circumstances, there
cou ld may not be enough energy to start the en-
gine. .,.
131
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