fuel consumption AUDI S3 2009 Owners Manual

Driver information display
& WARNING
Always observe the posted speed limits and adjust your speed to
suit prevailing road, traffic and weather conditions. Never drive
your vehicle faster than the maximum speed rating of the tires
installed. •
Trip computer
Introduction
The trip computer gives you information on current and
average fuel mileage, average speed, fuel range and
driving time.
Fig . 11 Trip computer
1
You can switch between the trip computer 1 and 2 by pressing the
I Reset I button @=> page 23, fig. 12.
You can tell which memory level is curren tly active by the number in
the display => fig. 11. The data from the single -trip memory
(memory level 1) is being displayed if a
1 appears in the display . If a
2 is shown, then the data from the total -trip memory is being
displayed (memory level 2).
Single-trip memory (Trip computer 1)
The single -trip memory stores the trip information from the time the
ignition is turned on until it is turned off. If the trip is continued
within 2 hours from the time the ignition was turned off, the new
data will be included in the calculation of the current trip informa­
tion. If the trip is interrupted for
more than 2 hours the memory is
reset automatically.
Total-trip memory (Trip computer 2)
Unlike the single-trip memory, the total-trip memory is not reset
automatically. This permits you to evaluate your driving data for the
entire period between manual resets.
Fuel range
The estimated cruising range in miles (km) appears in the display .
The display changes in increments of 6 miles (10 km).
Average fuel mileage
The average fuel economy in MPG 0/100 km) since you last cleared
the memory appears in this display.
Current fuel mileage
The instantaneous fuel consumption in miles per gallon 0/100 km)
is shown in this display. When the vehicle is stationary, the most
recent fuel consumption is displayed.
Average speed
The average speed in mph (km/h) since the last time the display was
reset appears in the display.
Elapsed time
The length of time that you have been driving since you last reset
the memory appears in this display . The maximum time period that
can be recorded is 999 hours and 59 minutes.
~

used. We recommend using roof racks from the Audi original acces­
sories program.
• Th ese roof racks are the basis for a complete roof rack system .
For safety reasons, some additional attachments are necessary to
transport luggage, bicycles, surf boards, skis and small boats safely .
All these components are available at your authorized Audi dealer.
Vehicle with roof rails
• The vehicle is equipped with integrated roof railings, which can
be covered into roof rack by installing cross bars. Only install cross
bars specifically designed for this vehicle.
• Th ese bars are the basis for a complete roof rack system. Addi ­
tional attachments are necessary to safely transport luggage, bicy­
cles, surf boards, skis or small boats.
• All necessary hardware for these systems is available from your
authorized Audi dealer.
When should the roof rack be removed?
• Before going through an automatic car wash (it is best to ask the
car wash operator)
• When not in use (reduce fuel consumption, reduce wind noise
and guard against theft)
& WARNING
• Use of an unapproved roof rack or incorrect mounting of an
approved roof rack can cause the roof rack or the items carried on
it to fall off the roof onto the road.
• Objects falling from the roof of a vehicle can cause a crash and
personal injury.
• Only mount the system between the markings shown in
~ fig. 94 or ~ page 90, fig. 95.
• The roof rack system must be installed exactly according to the
instructions provided .
Contro ls and eq uip­
ment
Seats and storage
0 Note
• Any damage to the vehicle caused by using roof racks or other
types of cross bars that have not been approved by Audi for your
vehicle, or incorrect roof rack installation, is not covered by the
Warranty.
• Always check the roof rack mountings and hardware before each
trip and during a trip to make sure everything is securely tightened.
If necessary, retighten the mountings and check the entire system
from time to time.
• After mounting a roof rack system, or when you transport
objects on the roof of your vehicle, the height of the vehicle is natu ­
rally increased . Be careful when driving under low bridges or in park
garages for example . This could cause damage to the vehicle and
even the
load. a
Applies to veh icles: without roof rails
Attachment points without roof rails
The roof rack must be attached only at the locations
marked.
Fig . 94 Attachment
points for roof rack
The attachment points=> fig. 94 @can only be seen with
the door open. .,
Vehicle care I I irechnical data

• ..__w_ a_ r_m _ a_ n_d_ c_ o_ ld __________________________________________________ _
Air d ir ected to the dri ver/ front passe nger[~]
All the air is directed to outlets @, G) and © in the instrument
panel. Air also is directed through the center console in the rear.
Air dir ected to th e footw ells ~
All the air is directed to outlets © and to the outlets under the front
seats .•
Air outlets
, _ ,
,~
---- 1
'
Fig . 10 9 Instr ume nt pan el: a ir out let loca tio ns a nd airfl ow direc tions
T he air out lets G) and 0 on top of t he instrument pane l are
fixed . Outlets 0 and 0 can be adjusted .
Adjusting air outlets 0 and 0
- Turn the vertical thumbwheel beside the outlet to
increase, reduce or shut down t he airflow from that
outle t. - Move t
he smal l tab in the center of the o utlet lo uver side ­
ways and up or dow n to ad just the level an d direc tion of
airflow.
The supply of air to the outlets is controlled either automatically or manually depending on the operation mode selected . The airflow
from al l outlets can be hea ted, unheated or cooled.
The heater out lets for the rear footwells are located under the front
seats. When you select outlets©, air is also directed to the rear
footwells.
[ i ] Tips
• When defrosting/defogging the windows, air flows from outlets
G), ® and G). To defrost or defog the windows as rapidly as
possible, air out lets
G) should be opened fully with the adjuster
whee ls.
• When the air conditioner is working, cooled air wi ll flow primarily
from outlets ®·
G) and ©-To assure adequate cooling, out lets G)
and © should never be completely closed. •
Using the climate controls economically
Using the climate controls prudently can help save fuel.
When you use the air conditioner, engine power is reduced
and fuel consumption increases. To save fuel, you should
use the a ir conditioner only when necessary . Also please
note the following points:
- If you want to save fuel, sw itch off the air conditioner.
- If you are going to drive w ith the wi ndows open, switc h
off the a ir condit io n er.
~

- Lack of proper maintenance as wel l as improper use of the
vehic le wi ll impair the func tion of the emission con tro l system
and could lead to damage.
<£> For the sake of th e envir onm ent
Even when the Emission Control System is operating properly, the
exhaust gas can have a su lfur -like 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 filling the
tank with lead-free super grade gasoline. •
Avoid damaging the vehicle
When you are driving on poor roads, or over curbs, steep ramps,
etc., make certain that low- lying parts such as spoi lers and exhaust
system parts do not bottom out and get damaged.
This is especially true for vehicles with low-slung chassis (sports
chassis) and fully loaded vehicles. •
Operate your vehicle economically
and minimize pollution
General
Your personal style of driving will determine the economy
of your vehicle, as well as exhaust and noise levels.
Fuel economy, environmental impact, and wear on your engine,
brakes and tires largely depend on three factors:
• your personal driving style
• operating cond itions
• technica l limitations
Controls and equip­
ment Safety first Vehicle operation
Dri
ving and environm ent
If you anticipate what you need to do next and drive economica lly,
you can easily cut your fuel consumpt ion by 10 -15 percent . This
section wil l give you some tips on how you can help the environ­
ment and your pocketbook.
[ i ] Tips
The consumption estimates as published by ENV IRONMENTAL
PRO TEC TION AGENCY (EPA) and Transport Canada may not corre ­
spond to your actua l consumption on the road, which wi ll vary
depending upon vehic le load and speed, road and weather condi­
tions, trip length, etc. •
Drive smoothly and keep a lookout ahead
Vehicles use the most fuel when they ore accelerating.
Avoid unnecessary accelerating and braking .
Vehicles use the most fuel when they are accelerating . If you antici­
pate what is going to happen next, you wi ll need to brake less and,
thus, acce lerate less. Let the vehicle coast whenever possib le - for
examp le when you see that the next traffic light is red. •
Avoid full throttle
Driving at moderate speeds saves fuel and improves your
mileage.
-Try and keep well below your car's max imum speed.
Acce lerating gently reduces fue l consumption , engine wear, and
does not disturb the environment.
Fue l consumption, exhaust emissions and engine noise increase
disproportionately at high speeds . If you drive at approximate ly
three quarters of top speed, fuel consumption wil l be reduced by
Vehicle care Do-it-yourself service Technical data

___ D_ r_i v_ in_... g"'- a_ n_ d_ e_ n_ v_i_r _ o _n_ m __ e_n _ t _______________________________________________ _
one half. Never drive faster than the posted speed limit and weather
conditions permit. •
Reducing unnecessary =citing
Even when your car is just idling it burns up fuel.
- Shut the eng ine off when you are not driving the vehicle .
- Do not warm up the vehicle by letting the engine run at
idle.
It makes sense to shut off the engine in traffic jams, when waiting
for trains to pass at rai lroad crossings , or at traffic lights that have
long waits on red. Turning the engine off for just 30 -40 seconds
saves more fuel than is burned starting the engine again .
It takes a long time for the engine to warm up fu lly when it is
running at idle. However, wear and noxious emissions 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.
0 Note
Do not leave engine idling unattended after starting . If warning
lights should come on to indicate improper operation, they would
go unheeded. Extended idling also produces heat, which could result in overheating or other damage to the vehicle or other
property .•
Regu1ar ma1--.tenance
A badly tuned engine unnecessarily wastes a lot of fuel.
- Have your vehic le serviced at regular intervals . By having your vehicle regularly serviced by an authori
zed Audi
dea ler helps to ensure that it runs properly and economica lly. The
condition of your vehicle not only affects its safety and ability to
hold its value, it a lso affects
fu el con sumpti on.
C he ck your oil each time you fill your t ank .
The amount of oil used is related to engine load and speed.
It is norma l for the oil consumption of a new engine to reach its
lowest va lue after a certain mileage has been driven.
You must drive your vehicle about 3,000 miles (5,000 kilometers) before you can properly assess oil consumption .
T his also applies to fuel consumption and engine output .
0 Note
• Have your vehicle maintained properly and in accordance with
the service recommendations in your Warranty
& Maintenance
booklet. Lack of proper ma intenance as well as improper use of the
vehic le wi ll impair the function of the emission control system and
cou ld lead to damage.
• Do not alter or remove any component of the Emiss ion Control
System unless approved by the manufacturer.
• Do not alter or remove any device, such as heat shields,
switches, ignition wires, valves, which are designed to protect your
vehicle 's Em ission Control System and other important vehicle
components .•
Fewer short tr ips
Fuel consumption will always be relatively high on short
trips.
- Try to avoid driving short dista nces wi th a cold engine. _,

The engine and catalytic converter have to reach their optimal ope r­
at ing t emp era tur e
to reduce fuel consumption and noxious emis ­
sions effectively .
• Just after starting, a cold engine in a mid -size car burns the fuel
at a poor rate of 6-8 miles per gal lon (30-40 11100km). Half a mile
down the road, the mileage improves to 12 MPG (201/100 km). It will
take the eng ine no less than
two and a half miles (4 km) of driv ing to
warm up to its proper operating temperature and operate at an
economic mileage. This explains why taking the car for short trips is
a rather wasteful convenience.
• The
out sid e tem perature is also critical in th is regard . Your car
consumes more fuel in the winter than in the summer.
Controls and equip­ ment Safety first Vehicle operation
Dri
ving and environm ent
Vehicle care Do-it-yourself service Technical data

___________________________________________ C_ h_e _c_ k_ i_n _g _ a_n _d_ f_il _li _n _g __ ffllll
•
the form of Service or Repair Orders that all schedu led maintenance
was performed in a time ly manner .•
Engine oil consumption
The engine in your vehicle depends on an adequate
amount of oil to lubricate and cool all of its moving parts.
In order to provide effective lubrication and cool ing of internal
engine components , all internal combustion engines consume a
certain amount of oil. Oil consumption varies from engine to engine
and may change significantly over the life of the engine. Typically,
engines with a specified break -in period (see~
page 197) consume
more oil during the break-in period than they consume af ter oi l
consumption has stabi lized .
Unde r normal conditions, the rate of oil consumption depends on
the quality and viscosity of the oil, the RPM (revolutions per minute)
at which the engine is operated, the ambient temperature and road
conditions . Further factors are the amount of oil dilution from water
condensation or fuel residue and the oxidation level of the o il. As
any engine is subject to wear as mileage builds up, the oil consump ­
tio n may increase over time unt il rep lacement of worn components
may become necessary.
W ith all these variables coming into play, no standard rate of oil
consu mption can be estab lished or specified. There is no a lternative
to regular and frequent checking of the oil level, see
Note .
If the yellow engi ne oil level warning symbol in the instrume nt
cluster lights up, you should check the oil level as soon as
poss ible
with the oil dipstick~ page 229 . Top off the oil at your
earliest convenience~
page 230.
& WARNING
Before you che ck anything in the eng ine comp artment , alw ay s
read and heed all WARNINGS
~ & in "Working in the engine
c ompartment " on
page 22 5.
0 Note
Driving with an insufficie nt o il level is l ikely to cause severe damage
to the engine.
[ i ] Tip s
• The oil pressure warning displ ay ce,. is not an indi cat or of the oil
level . Do not rely on it. Instead , check the oil level in your engine at
regular interv als , prefe rably ea ch time you refuel , and always before
going on a long trip.
• If you have the impression your engine consumes excessive
amoun ts of oil, we recommend that you consu lt your authorized
Audi dealer to have the cause of your concern proper ly diagnosed .
Keep in mind that the accura te m easuremen t of oil consumption
requires great care and may take some time . Your authorized Audi
dea ler has instructions about how to measu re oil consumption
accurately .•
Checking the engine oil level
Vehicle care I t •
Fig . 171 Dip sti ck
( V ersio n A):
Oil le vel
ran ges

___ C_h_ e_ c_k _in --== g'-- a_n _d_ f_il _li _n ..:::g:::..- ___________________________________________ _
Fig. 172 Dipstick
(Version B): Oil level
ranges
Before you check anything in the engine compartment,
always read and heed all WARNINGS =>
& in "Working in
the engine compartment" on
page 225.
Determining oil level
Park your vehicle so that it is horizontally level.
- While at operating state temperature, briefly let the
engine run at idle and then shut it off.
- Wait approx. two minutes.
- Pull out the oil dipstick. Wipe off the oil dipstick with a
clean cloth, and slide it back in as far as it will go.
Pull it back out and read off the oil level =>
page 229,
fig. 171 or::::> fig. 172. Top off the engine oil, if applicable
=>
page 230.
Oil level within range @
- Do not add oil.
Oil level within range
@
- You can add oil. Afterwards, the oil level should be within
range @. Oil level within range
©
You must add oil. Afterwards, the oil level should be
within range @.
The oil level needs to be checked at regular intervals. The best times
to do this are whenever you refuel and prior to long trips.
Depending on the way the vehicle is driven and the operating condi­
tions, oil consumption can be up to 1 quart per 1.200 miles (1 liter
per 2.000 km). Consumption may be higher within the first 3 .000
miles (5.000 kml. •
Adding engine oil "l=:7:
Fig . 173 Oil filler cap
location: 2.0 liter, 4 -
cylinder turbo engine
Fig . 174 Oil filler cap
location: 3.2 liter , VS-
engine ...

Tires and wheels -
----------------
•
• The tire pressures should only b e chec ked and ad just ed wh en
t he tire s are co ld. The s lig ht ly rai se d pre ss u res of w arm tires mu st
not b e reduced .
• Adjust t he tire pressure to the lo ad you ar e carrying.
• Reinstal l the va lve stem cap on the va lve .
When should I check the tire pressure?
The correc t ti re p ress ure is es pec ially im portant a t high speeds. The
press ure s hou ld t here fore be checked at least once a mo nth and
a lways before starting a journey. Do not forget to check the tire pres ­
su re for t he spare whee l=>
page 2 71.
When should I adjust the tire pressures?
Ad just the tire pressure to the load you are carryin g. After c han ging
a whee l
or replacing whee ls you have to adj ust th e tire pre ssu re s on
a ll w he el s. In add itio n, you must the n initialize the new t ire pres ­
su res in the tire pressure monitoring system*=>
page 264.
& WARNING
Incorrect tire pressures and /or underinflation can lead sudden tire
failure , loss of control, collision, serious personal injury or even
death .
• When the warning symbol
l.J appears in the instrument
cluster , stop and inspect the tires .
• Incorrect tire pressure and /or underinflation can cause
increased tire wear and can affect the handling of the vehicle and
stopping ability .
• Incorrect tire pressures and/or underinflation can also lead to
sudden tire failure , including a blowout and sudden deflation ,
causing loss of vehicle control .
• The driver is responsible for the correct tire pressures for all
tires on the vehicle. The applicable pressure values are located on a st icker on the dr iver 's side B -pillar or on the inside of the fuel
filler flap.
& WARNING (continued )
• Only when all tires on the vehicle are filled to the correct pres­
sure, the tire pressure monitoring system * can work correctly.
• The use of incorrect tire pressure values can lead to accidents
or other damage . Therefore it is essential that the driver observe
the specified tire pressure values for the tires and the correct pres­
sures for the function of the tire pressure monitoring system *.
• Always inflate tires to the recommended and correct tire pres­
sure before driving off.
• Driving with underinflated tires bend more , letting them get
too hot resulting in tread separation , sudden tire failure and loss
of control.
• Excessive speed and /overloading can cause heat build -up ,
sudden tire failure and loss of control.
• If the tire pressure is too low or too high , the tires will wear
prematurely and the vehicle will not handle well .
• If the tire is not flat and you do not have to change a wheel
immediately, drive at reduced speed to the nearest service station
to check the tire pressure and add air as required .
0 Note
Driving without valve stem caps can cause damage to the tire
va lv es. To p revent this, a lways mak e su re that fac to ry insta lled va lve
stem caps on al l wheels a re sec urely mounted on the va lve .
Underinflated t ires wi ll a lso increase the fue l consumption. •
Tires and vehicle load limits
There are limits to the amount of load or weight that any vehicle and
any tire can ca rry. A ve hicle tha t is ove rlo ade d wi ll not h and le w ell ..,
Vehicle care I t •

-Al
phab eti ca l ind ex
_.:_.__ ____ _...::.:...::..;.:___ ________________ _
Emergency flashers . . . . . . . . . . . . . . . . . . 58
Eme rgency operation
panoramic sliding sunroof . .... ..... 49
Rear lid . .... ... .. .... .... ...... .. 43
Emergency release for selector lever . . . 123
Emergency starting . . . . . . . . . . . . . . . . . 287
Emergency towing . . . . . . . . . . . . . . . . . . 292
Engine 4-cylinder (200 hp) ..... ... .... ... 226
6 -cylinder (250 hp) ............... 227
Coolant .......... .... ....... .... 232
Hood .... ... .. ...... .... ... .... . 224
Starting .... .... .... .... .... 108, 109
Starting with jumper cables ...... . 287
Stopping ... .... .... .... ........ 109
E . ngine compartment . .... .... .... .. .
Safety instructions ...... .... .... .
226
225
Working in the engine compar tment 225
Engine coolant system .............. 232
Adding coolant .... .... .......... 234
Checking coolant level .... .... .... 233
Checking the engine coolant leve l .. 233
Radiator fan . . . . . . . . . . . . . . . . . . . . . 235
Engine coolant temperature
Gauge .............. .............. 9
Engine cooling system
Malfunction ...... .... ....... .... . 30
E . d ngine ata ...... .... ........... .. . 300
Engine hood Closing ......................... 225
Release lever . ............... .... 224
R I . d . e easing an opening .... ... ... .. 224 Engine
oil .... ...... ........ ... .... . 227
Adding ...... ... .. .... .... ...... 230
Additives ....................... 230
Changing .. ............. ........ 231
Check ing the engine oil level .... ... 229
Indications and conditions requiring extra checking .......... ...... ...... 229
Oil consumption ................. 229
Oil grades . .... ...... ... .. .... ... 227
Recommended oil check intervals .. 229
Specification and viscosity ........ 227
Engine oil level ... ..... .. ...... ...... 32
Engine oil pressure (malfunction) ... .. . 31
Engine oil sensor defective ............ 32
Engine speed limitation .. .... .... .... . 32
Environment
B k. . d
rea -in peno .... .... .... .... . . 197
Catalytic converter . . . . . . . . . . . . . . . 198
Disposing of your vehic le battery ... 237
Driving at high speeds . . . . . . . . . . . . 199
Driving to minimize pollution and noise .
199
Fuel ............................ 221
Fuel economy . . . . . . . . . . . . . . . . . . . 199
Leaks under your vehicle . .... ..... 225
Letting the vehicle stand and warm up ..
200
Proper disposal of drained brake fluid
236
Proper disposa l of
di ra ined engine
coo lant .. .... ... .... .... .... ... 234
Proper disposa l of drained engine oil
230,231
Recycling used engine oil .. .... ... 230 Unleaded fuel
...... ... .. ... .... . 219
What should I do with an old battery?
237
EPC
See Electronic power control . . . . . . . . 13
ESP
See Electronic Stability Program .... 190
Event Data Recorder (EDR) ... .... .... . 190
Expans ion tank 233
F
Fahrenheit
Switching between Fahrenheit and Centigrade . .... .. ... ... .... .... 103
Fan Adjusting the fan speed .. .... .. .. . 103
Cl imate controls ...... ...... .... . 103
Radiator .... .... .... ... .. .... .. . 235
Fastening eyes ... ........ .... .... ... 84
Flat tire Changing ....................... 272
Floor mats . ....... ..... ... .... .... . 132
Fog lights, front ...... .... ... ... ... .. 56
Folding master key with remote control . 35
Foot pedals . ... .. .... .... ...... .... 132
For the sake of the environment
Gasoline fumes and the environment 221
Letting your engine warm up . ..... . 109
Reducing engine noise by upshifting
early ... .. .... .... ... .... .... .. 8, 9
Refueling .. ........... ........ .. 221