Page 233 of 348

@ Tips
- When the engine is running, never hold
the steer ing whee l turned a ll the way to
the right or t o the left f or longer than 15
seconds. The power steering pump w ill
overheat the hydraulic f lu id if you keep
hol ding the steer ing wheel turned all the
way. This is likely to damage the power
steering system.
- If the power steer ing system should fail
ent irely, or if the engine is not running
(fo r example, while being towed), you
will still be ab le to steer the vehicle.
However,
considerably more effort will
be required to do so.
- If the power s teer ing system should
have a leak, or is not functioning proper
l y, contact yo ur authorized Audi dealer
immediately.
- The power stee ring system requires a
spec ially formulated hydraulic fluid. The
power steering reservo ir is the one locat
ed farthest to the rear on the left side of
the engine compartment
c> page 266.
The co rrect flu id level in the reservoir is
i mportant for proper functioning of the
power steer ing .
Driving with your
quattro ®
With all-wheel drive, oil four wheels ore driv
en.
Gener al information
W ith all -whee l dr ive , power is distributed to
a ll fo ur wheels. This happens automatica lly
depending on yo ur driving sty le and the road
conditions at the time . See also
¢ page 227,
Electronic differential lock (EDL) .
Winter tires
When driving in the w inter, your ve hicl e w it h
all -wheel drive has an advan tage, even with
regu lar tires . In winter road conditions it may
be advisable to mount winter tires (or all -sea
son t ires) for improved driveability and brak-
Int ellig ent technolog y 231
ing: these tires must be mounted on all four
wheel s. See also ¢
page 295, Winter tires .
Tire chains
Where tire chains are mandatory o n certain
roads, this no rma lly also app lies to veh icles
with all-wheel drive¢
page 296, Snow
chains.
Replacing wheels /tires
Vehicles with all-wheel drive must always have ti res of t he same s ize. A lso avo id tires
with different t read depths. For det ails see
page
c!;> page 291, New tires and replacing
tires and wheels .
_& WARNING
A lways adj ust yo ur driv ing to road and traf
f ic conditions. Do not let the extra safety
afforded by all-wheel drive tempt you into
taking extra risks.
-Altho ugh the all-wheel drive is very ef
fective, always remember that braking
capacity is lim ited by tire traction. You
should therefore not drive 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 water
(aquaplaning). If th is should occur, yo u
will have no warning from a s udden in
crease in engine speed as w ith a front
wheel drive vehicle. Always drive at
speeds which are suited 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 driven for a long per iod of t ime, the bat
te ry is discharged by idling cur rent consume rs
(e.g. immobi liz e r). In certa in circumstan ces it ..,_
•
•
Page 234 of 348

232 Intelligent technology
can result in there being insufficient energy
avai lab le to start the engine .
I ntell igent energy management in your vehi
cle handles the distribution of electrical ener
gy . Starting abi lity is markedly improved and
the life of the battery is extended .
Basically , energy management consists of
battery diagnosis , idling current manage
ment
and dynamic energy management.
Battery diagnosis
Battery diagnosis continuously determines
the state of the battery. Sensors determine
battery volta ge, battery current and battery
temperature. This determines the current
state of charge and the power of the battery.
Idling current management
Idling current management reduces energy
consumption while the vehicle is stand ing.
With the ignition switched off, it contro ls the
energy supply to the various e lectrica l compo
nents. Data from battery diagnosis is consid
ered.
Depending on the battery's state of charge,
individua l consumers are gradually turned off
to prevent excessive discharge of the battery
and thus maintain starting capability.
Dynamic energy management
While the vehicle is being dr iven , dynamic en
e rg y management distributes the energy gen
erated according to the needs of the individu
a l components. It regulates consumption, so
that more ele ctrical energy is not being used
than is being generated and ensures an opti mal state of cha rge for the battery.
{D) Tips
- But even energy management cannot
negate the limits of physics. Consider
that the power and life of a battery are
limited .
- If starting ab ility is threatened, you are
i nformed by a warn ing
c> page 233,
Driver notification in the instrument
cluster display .
What you should know
The highest priority is given to maintaining
starting capability .
The battery is seve rely taxed in shor t-distance
driving, in city tra ffic and dur ing the cold time
of year . Abundant electrical energy is re
quired, but only a little is generated . It is also
critical if the engine is not running and e lectri
ca l components are turned on . In this in
stance energy is being consumed but none is
being generated.
It i s in precisely these situations that you will
notice energy management actively regulat
ing the distribution of energy.
Vehicle stands for an extended period
If you do not drive your vehicle over a period
of several days or weeks , e lectr ica l compo
nents are gradually cut back or sw itched off.
T his reduces energy consumption and main
ta ins start ing capability over a longer period .
Take into consideration that when you unlock
your vehicle , some conven ience functions ,
s uc h as the inte rior lights or the power seat
adjustment, may not be available. The con
venience functions will be available again
when you turn on the ignition and start the e ngine .
With the engine turned off
If you listen to the radio, for example, w ith
the engine turned off or use other MMI func
tions, the battery is being discharged .
If starting capability is jeopardized due to en
ergy consumption , the following warning ap
pears in the MMI display:
Please start engine, otherwise system will
switch off in 3 minutes .
The warning indicates that the system will be
turned off automatically after 3 minutes . If
you w ish to continue using the funct ions, you
have to sta rt the eng ine.
1111>
Page 235 of 348

With the engine running
Although electrical energy is generated when
the vehicle is being driven, the battery can be
come discharged. This happens most ly when
litt le energy is being generated and a great
deal consumed and the battery's state of
charge is not optimal.
To bring the energy balance back into equili
brium, consumers which require especia lly
large amounts of energy are temporarily cut
back or switched off. Heating systems in par
ticular requ ire a great deal of energy. If you
notice, for example, that the heated seats* or
the heated rear window are not heating, they h ave been temporar ily cut back or switched
off. These systems will be available again as
soon as the energy ba lance has been restored.
You will also notice that engine idle speed has
been increased slightly. This is normal and not
a cause for concern . By increasing engine idle
speed the additional energy required is gener
ated and the battery is charged .
Driver notification in the instrument
cluster display
If battery power drops into the range where it
can limit the ab ility of the engine to start, th is
is shown in the instrument cluster display
with the following driver message:
(•) Low battery charge: battery will be
charged while driving
This notification reminds you that the starting
capability of the engine may be limited. As
soon as you start driving again, the battery
will be recharged and the notification will go
out.
Driver notification appears and goes out
again
If th is driver notification appears after the ig
nition is turned on or while driving and it goes
out again after a wh ile, the battery has been
adequately recharged.
Intelligent technology 233
Driver notification appears and does not
go out again
If this driver notification appears after the ig
nition is turned on or whi le driving and does
not go out again, the battery's state of charge
is not in the optimal range. Starting ab ility is
restricted . Have the battery checked as soon
as possible by an authorized Aud i dealer or
qualified workshop.
•
•
Page 236 of 348

234 Driving and environment
Driving and
environment
The first 1,000 miles
(1,500 km) and
afterwards
New engine
The engine needs to be run-in during the first
1,000 miles (1,500 km).
For the fir st 600 miles (1,000
kilometers ):
.,. Do not use full throttle.
... Do not drive at engine speeds that are more
than 2/3 of the max imum permitted RPM.
From 600 to 1,000 miles (1 ,000 to
1,500 kilometers):
.,. Speeds can gradually be increased to the
max imum pe rm iss ible road or eng ine speed .
During and after break-in per iod
... Do not rev the eng ine up to h igh speeds
when it is cold. Th is app lies whether the
transmission is in N (Neutral) or in gear.
After the brea k-in period
... Do not exceed max imum eng ine speed un
der any circumstances.
... Upshift into the next higher gear
before
reaching the red area at the end of the tach
ometer scale¢
page 10.
During the first few hours of driving, the en
g ine's inter na l friction is higher tha n later
when alt the moving parts have been broken
i n. How welt this break- in process is done de
pends to a conside rable extent on the way the
ve hicl e is driven du ring the first 1,000 miles
(1, 500 kilome ters).
(D Note
E xtremely high engi ne speeds are auto
mat ica lly re duced. However, these rpm
lim its are programmed for a n engine welt
r u n- in, not a new eng ine.
{® For the sake of the environment
Do not drive with unnecessarily high en
g ine speeds - upshifting ear ly saves fuel,
reduces no ise and protects the environ
ment.
, New tires
If your vehicle is runni ng on new tires, drive
part icularly caref ul for the first 350 miles
(500 kilomete rs) afte r fitt ing.
A WARNING
N ew tires tend to be sl ippery and mus t al
so be "broken -in" . Be s ure to remember
this dur ing the fi rst 350 mi les (500 kilo
meters) . Brake gently . Avoid fo llow ing
closely behind other vehicles or other sit
uations that m ight require sudden, hard
braking.
New brake pads
Remember that new brake pads do not have a
full bra king effect dur ing the fi rst 250 m iles
(400 kilomete rs) afte r they a re insta lled.
New brake pads have to be "burnished in" be
fo re t hey have optima l grab¢
A .
During the break- in period, you should avoid
putting severe loads on the brakes. Severe
l oads include, for example, sudden hard brak
i ng, in particular at very high speeds or, for
example, on mounta in passes .
A WARNING
New b rake pa ds don't have t he bes t stop
pi ng power and mus t be "broke n-in " dur
i ng the in iti al 1 00 to 150 mi les (150 to
20 0 kilometers) of no rma l city driving . You
can compensate for this by pressing the
br ake peda l mo re f irm ly . This also applies
l ater when new pads are installed.
Page 237 of 348

Catalytic converter
Applies to vehicles: with gasoline engine
It is very important that your emission control system (catalytic converter) is function
ing properly to ensure that your vehicle is run
ning in an environmentally sound manner .
... Always use lead-free gasoline¢ page 256,
Gasoline .
... Never run the tank down all the way to
empty .
... Never put too much motor oil in your en-
gine
¢ page 270, Adding engine oil~-
.,. Never try to push- or tow-start your veh icle.
The catalytic converter is an eff icient "clean
up" device built into the exhaust system of
the vehicle. The catalytic converter burns
many of the poll utants in the exhaust gas be
fore they are released into the atmosphe re.
The exclusive use of unleaded fuel is cr it ically
i mportant for the life of the cata lytic convert
e r and proper fu nctioning of the engine.
A WARNING ,~
- Do not park or operate the veh icle in
areas where the hot exhaust system may
come in contact with dry grass, brush,
fuel spill or other material which can
cause a fire.
- Do not apply additional undercoating or
rustproofing on or near the exhaust
man ifold, exhaust p ipes, catalytic con
verter or heat shie lds . During driving, the
substance used for undercoating could
overheat and cause a fire.
{[) Note
-Be aware that just one tank fi lling with
le aded fuel will already seriously de
grade the performance of the catalytic
conve rter .
- Do not exceed the correct engine oil level
¢ page 270.
-Do not drive until the fuel tank becomes
completely empty. The eng ine could mis
fire . U nburned fuel could a lso get into
Dri vin g and en vironm ent 235
the exhaust system and this cou ld cause
the catalytic converter to overheat .
- Do not turn off the igni tion while the ve
hicle is moving.
- Do not con tinue to ope rate your veh icle
unde r these conditions, as othe rwise fuel
can reach the catalytic converter. This
co uld result in overheating o f the con
verter, requir ing its replacement.
- To assure efficient operation of the Emis
sion Control System:
- H ave your vehicle maintained prope rly
and in accordance w ith the se rv ice rec
ommendat ions in you r Warranty &
M aintenance boo klet.
- L ack of prope r maintenance as we ll as
improper use of the vehi cle w il l impair
the function of the em ission contro l
system and could lead to damage .
@ For the sake of the environment
Even when the Emiss ion Control System is
operat ing properly, the exha ust gas can
have a sul fur -li ke exhaust gas smell under
some operating states . This depends on
the sulfur content of the fuel being used .
Using a different brand of fue l may help,
or f illing the tank with lead-free super
grade gasoline .
Diesel particulate filter
Applies to vehicles : with diese l eng ine
The diesel part iculate filter filters nearly all of
the soot particles out of the exhaust . The fil
ter cleans itself automat ica lly under normal
driv ing cond itions . If the filter ca nnot clean it
self (for example, because you a re o nly dr iving
short distances), the fi lter becomes clogged
with soot and the
II symbo l for the diesel
particu late filter ill uminates ¢
page 3 7.
A WARNING
- Do not park your vehicle over flammab le
materia ls such as grass or leaves because
the high temperature of the diesel par-
ticulate f ilter could start a fire. ..,. •
•
Page 238 of 348

236 Driving and en vir onm ent
- Do not a pply an under body p rotec tant in
the exhaust system area or a fire co uld
start.
Avoid damaging the
vehicle
When you are driving on poor roads, or over
curbs, steep ramps, etc., make certain that l ow-lying pa rts such as spoi lers and exhaust
system parts do not bo ttom out and get dam
aged.
This is especially true fo r vehicles with low
slung chassis (sports chassis)* and fully load
ed ve hicles .
Operate your vehicle
economically and
minimize pollution
General
Your personal style of driving will determine
the economy of your vehicle, as well as ex
haust and noise levels.
F ue l economy, envi ronmental impact, and
wear on you r engine, br akes and t ires large ly
depend on th ree factors:
- you r persona l dr iv ing sty le
- operating conditions
- technical lim itations
I f you anticipate what you need to do next and
d rive economically, you can easi ly cut your
fuel consumption by 10 -15 percent. This sec
tion will give you some t ips on how you can
he lp the environment and your pocketbook .
(D Tips
The consumption estimates as published
by ENVIRONMENTAL PROTECTION AGENCY
(EPA) and Transport Canada may not corre
spond to your actual consumption on the road, wh ich will vary depe nding upon vehi
cle load and speed, road and weather con
ditions, tr ip length, etc.
Drive smoothly and keep a lookout
ahead
Vehicles use the most fuel when they are ac
celerating.
.,. Avo id u nnecessary accelerating and bra king.
Vehicles use the most fuel when they are ac ce lerat ing . If you ant icipate what is going to
happen next, you will need to brake less and,
thus, acce le rate less. Let the vehicle coast
whenever possible - for examp le when you see
t h at the next t raff ic light is red.
Avoid full throttle
Driving at moderate speeds saves fuel and
improves your mileage.
.,. Try and keep well below your car 's maxi -
mum speed .
Acce lerat ing gently reduces fue l cons ump
t ion, eng ine wear, and does not disturb the
environment.
Fuel consumpt ion, exhaust emissions and e n
gine noise increase disproportionately at high
speeds. If you drive at approximately three
quarte rs of top speed, fuel consumption w ill
be reduced by one ha lf. Never drive faster
t h an the pos ted speed limit and weathe r con
di tions pe rm it.
Reducing unnecessary idling
E ven when your car is just idling it burns up
fuel.
.,. Shut the eng ine off when you are not d riv
ing the v ehicl e .
.,. Do not wa rm up t he veh icle by le tti ng the
eng ine run a t idle.
It makes sense to shut off the engine in traffic
jams, when wa it ing fo r tra ins to pass at rail
road c rossings, o r at traffi c lights that have
l ong wai ts on red. T urning the eng ine
off f or
just 30 -40 seconds saves more f uel than is
burned start ing t he engine again .
IJII>
Page 239 of 348

It takes a long time for the engine to warm up
fu lly when it is running at idle. However , wear
and nox ious em issions are especially high
when the engine is warming up. So you should drive away as soon as you start the engine and
avoid running at high rpms while the engine is
still warming up .
(D Note
Do not leave engine idling unattended af
ter starting . If warning lights should come
on to indicate improper operation, they
wou ld go unheeded. Extended idling also
p roduces heat, which cou ld resu lt i n over
heating or other damage to the vehicle or
other property.
Regular maintenance
A badly tuned engine unnecessarily wastes a lot of fuel.
"' Have your vehicle serv iced at regular inter-
vals.
By having your vehicle regularly serviced by an
author ized Audi dealer helps to ensure that it
r uns p roper ly and economically. The condition
of your vehicle not only affects its safety and
ab ility to hold its value, it also affects
fuel
c on sumption.
Ch eck your oil each time you fill your tank .
The amount of oil used is related to engine
load and speed .
It is normal for the oil consumption of a new
engine to reach its lowest v alue after a certain
mileage has been dr iven .
You must drive your vehicle about 3,000 miles (5,000 ki lometers) before you can properly
assess o il consumption .
This a lso applies to fuel consumption and en
gin e output.
0 Note
- Have yo ur vehicle maintained properly
and in accordance wit h the service rec
ommendations in your War ranty
& Main-
Dri vin g and en vironm ent 237
tenance book let. Lack of p roper mainte
nance as well as improper use of the ve
hicle will impair the function of the
em ission contro l system and could lead
to damage.
- Do not alter or remove any component of the Emission Control System unless approved by the manufacturer.
- Do not alter or remove any device, such as heat shie lds, switches, ign ition w ires,
valves, which are designed to protect
your vehicle's Emission Control System and other impo rtant vehicle compo
nents.
Fewer short trips
Fuel consumption will always be relatively
high on short trips .
"' Try to avoid driv ing short distances w ith a
cold engine .
The eng ine and cataly tic converter have to
reach their opt imal
operat ing temperature t o
reduce fuel consumpt ion and nox ious em is
s ions effect ively .
Just after starting, a co ld eng ine in a mid-s iz e
car only achieves a fuel economy of 6-8 mi les
per gallon (30 -40 l/l00km). After about a
half a mile , fuel economy cl imbs to 12 mpg
(20 l/100 km) . After about
2.5 miles (4 km),
t he engine is at i ts p rope r opera ting tempe ra
tu re and f uel economy has reached a normal
l evel. So you can see that yo u should avo id
short trips whenever possible.
T he
out sid e t emperature is also cr itica l in th is
regard. Your car consumes more fue l in the
winter than in the s ummer.
•
•
Page 240 of 348

238 Driving off road
Driving off road
Driving in difficult road
conditions and offroad
General information
The operation of the E lectronic Stabilization
Control (ESC) is expanded for operation away
from paved roads. In situations where slip or a
differential locking function is required, the ESC offroad mode can be activated
c::> page 225 . Hill descent control is also availa
ble in the ESC offroad mode, which automati
cally brakes the vehicle and thereby keeps
speed constant when diffe rent wheel speeds
a re detected when descending a hill
c::> page 226. Your Audi also has permanent
a ll-wheel drive in addition.
H owever, your Aud i is not a pure off road vehi
cle .
It was not built for d riving unde r extreme
conditions, e.g. fo r trips that are in the nature
of an expedition.
Dri ve only on road s and offroad section s
which mat ch the de sig n of your vehi cle and
y our a biliti es as a driver. Ne ver t ake ris k s!
Before driving offroad
- Check the eng ine oil level, tire pressure,
coolant level , and the fluid level in the w ind
shield washe r reservo ir.
- Stow luggage items and other objects in the
luggage compartment, and secure them
against s lid ing aro und .
After driving offro ad
- After trips offroad, remove any twigs and
other foreign objects from the grill, the underbody and the wheels. Pay spec ia l atten
t ion to fore ign objects (stones) which have
become lodged in the tire tread.
- Clean the body and the veh icle unders ide,
and inspec t the veh icle for poss ible damage.
- Clean dirty w indows , headlamp lenses , rear
l ights, and license plates .
- Perform a brake check (part icularly after
t ravel ling through water) .
A WARNING
-Drive especially attentively and plan
ahead in d iff icu lt road conditions and
when offroad. Excessive speed o r inco r
rect maneuvers can cause injuries and
damage to the vehicle.
-
- Always adapt your speed and driving
style to road, offroad, t raff ic, and weath
er cond itions. Drive especially slowly off
road when you r view is res tricted.
- Please be awa re that in ESC off road
mode, particularly on a smoo th and s lip
pery road, the wheels may have an in
creased tendency to spin and the vehicle may break away -danger of skidding!
- Stability is limited in the ESC off road
mode .
@) For the sake of the environment
Avoid damage to the environment and re
spect nature .
(D Tips
Only drive w here it is permitted and stay
on marked roads and paths.
Explanation of some technical terms
T he following data refe r to ideal cond itions.
Depend ing on veh icle load and ground condi
tions and the environment, the numbers may
vary. It is the driver's responsibility to decide
whether a vehicle can overcome a specific s it
uat ion
c::> ,&. .
Gradient angle
The number of meters in alt itude gained over
a distance of 109.4 yards or 100 meters
(grade) are given as a percentage or degrees.
Information about the gradient the vehicle
can climb under its own power (depends in
part on the road surface and engine power) .
Max imum perm itted grade : 3 1
°
Late ral angle (slope of vehicle )
Indicates the angle up to which the vehicle
can be driven diagonally or across the fall line ..,.