fuel pressure AUDI S3 2015 Owners Manual

10 Instruments and indicator lamps
Instruments and indicator lamps
Instruments
Instrument cluster overview
The instrument cluster is the central information center for the driver.
Fig. 3 Instrument cl uster ove rv iew
(D Tachometer with ind icator lights
@ Coolant temperature indicator*
or Boost* (boost pressure indi -
cator) . . . . . . . . . . . . . . . . . . . . .
12, 29
® Turn signal indicator lights
© Display
- Indicator lights or . . . . . . . . . .
14
- Driver information system . . . 27
- Date and time . . . . . . . . . . . . .
10
- Mileage . . . . . . . . . . . . . . . . . . 11
- Service interval display . . . . . 13
® Speedometer with indicator
lights
@ Fuel level . . . . . . . . . . . . . . . . . . 12
(J) Display for: Central indicator
light or system displays . . . . . .
14
@ Trip odometer reset button 10 .0 1 11
(!) Tips
The needles in the instrument cluster illu­
minate when the ignition is switched on.
The dials also illuminate when the lights
are switched on . The instrument illumina­
tion dims automatically as the amount of light outside decreases . This funct ion re- minds
the driver to turn the headlights on
at the appropriate time.
Setting the time/date
Fig. 4 Instrument cluster: time and date
The date, time of day, time and date format
can be set in the MMI. Refer to the MMI own­
er's manual for instructions.
@ Tips
-When you switch off the ignition or open
the driver's door, the date and time are
displayed for approximately
30 seconds .
- You can also turn on the display with the
!O.O l button when the ignition is switch­
ed
off ~page 10, fig. 3 .

12 Instrum ent s and indicator lamp s
Fuel level
The display@ Q page 10, fig. 3 only works
when the ignition is sw itched on . When the
d isplay has reached the reserve mark, the bot­
tom LED wi ll turn red and the
tD indicator
light turns on
Q page 24 . The bottom LED
blinks red when the fue l level is very low .
The on -board computer shows the range
based on the fuel leve l
Q page 2 8, On-board
computer display.
F or the tank capac ity in yo ur vehicle , refer to
the Tec hnical Data
Q page 288.
CJ) Note
Never d rive until the tank is completely
empty. The irregular supp ly of fuel that re­
sults from that can cause the engine to
misfire. Uncombusted f uel will then enter
the exha ust system. This can cause over­
heating and damage to the catalytic con­
verter .
Coolant temperature indicator
In vehicles without a coolant temperature in­
d icator , an indicator l ight . will turn on
when the coolant temperature is too h igh
Q page 20. Refer to Q Q) .
The coolant temperature ind icator @
c::> page 10, fig . 3 only works when the ignition
is switched on . T o prevent engine damage, ob­
serve the fo llow ing notes about the tempe ra­
ture ranges.
Cold range
If only the LEDs at the bottom of the gauge
turn on, the engine has not reached operat ing
temperature yet . Avoid high engine speeds,
fu ll acce le rat ing and heavy engine loads.
Norm al range
The engine has reached its operating temper­
ature once the LEDs up to the center of the
gauge turn on under normal driving condi­
tions. The L EDs higher up may turn on if the
engine is under heavy load or the o uts ide tern- perature is h
igh. This is not a cause for con­
cern as long as th e . indicator light in the
display does not turn on.
Hot range
If the L EDs in the upper area of the disp lay
and the. indicator light in the instrument
cluster disp lay t urn on , the coo lant tempera ­
ture is too high
c::> page 20.
A WARNING
I-
- Always observe the warn ing in
c::> page 217, before opening the hood
and checking the engine coolant level.
- Never open the eng ine hood if you see or
hear steam, or if you see engine coo lant
dripping from the engine compartment.
You could burn yourse lf . Let the engine
coo l off f irst unti l yo u can no longe r see
or hea r steam or coolan t escap ing.
Q) Note
- In vehicles w ith a boost pressure indica­
to r*, this indicator replaces the tempe ra­
t ur e display. To promote a long engine
service life, avoiding h igh engine speeds,
full acceleration and he avy eng ine lo ads
during approximately the first 15 m i­
nutes when the engine is co ld is recom ­
mended. The amount of time until the
eng ine is warm depends on the outside
temperat ure. Check the engine oil tem­
perature* if necessary.
c::> page 32
- Add itiona l head lights and other compo­
nents in front of the air intake impairs
the cooling effect of t he coolant. This in­
creases the risk of the engine overheat­
ing during high outs ide temperatures
and heavy eng ine load.
- T he front spoiler also he lps to d istr ibute
cooling ai r correctly wh ile driving. If the
spoiler is damaged, the coo ling effect
w ill be imp aired and the risk of the en­
gine overhea ting will increase . See an au­
thorized Audi dealer or autho rized Audi
Service Facility for assistance . ...,

M N
0 > co ,...., \!) 1.1"1
Drive to an authorized Audi dea ler or a uthor ­
ized Audi Service Facility immediate ly to have
the ma lfunction corrected.
([) Note
Applies to vehicles with diese l engines: If
the diesel fuel quality is poor, it may be
necessary to have the water drained from
the water separator
l ) in the fuel filter
more often than specified in the mainte­
nance schedule. This can help reduce en­
gine malfunctions.
@I For the sake of the environment
Fuel should never enter the sewer system
or come into contact with the ground .
(j) Tips
More information on refueling is available
on page
¢page 212.
~ Washer fluid level
= Please add washer fluid
Fill the washer fluid with the ignition switched
off¢page232.
o Windshield wipers
m Windshield wiper: system fault!
There is a malfunction with the w indshield
wipers.
Drive to an authorized Audi dea ler or author ­
ized Audi Service Facility immed iate ly to have
the malfunction corrected.
~ Defective light bulb warning
App lies to vehicles: with dr iver information system
If the S:!I indicator light turns on, a bulb has
fa iled. The message indicates the location of
the bulb.
Replace the bu lb immediate ly.
Vehicle lights: sy stem fault!
M 1.1"1 l) Th is fu nct io n is not available in all coun tries. ,....,
Instruments and indicator lamps 25
T here is a malfunction in the headlights or
light switch. Drive to an authorized Audi deal­
er or authorized Aud i Service Fac ility immedi­
ate ly to have the malfunction corrected .
A WARNING
-Light bulbs are under pressure and can
explode when bulbs are replaced - risk of injury.
- With gas-discharge lamps* (xenon head­
lights), the high-voltage component
must be handled appropriately. Other­
wise, there is a risk of fatal injury.
~{i) Dynamic headlight range control
sy stem
Applies to vehicles: wi th Xeno n lights
fl Headlight range control system: system
fault!
T here is a malfunction in the dynamic head­
light range control system, which may cause
glare for other drivers .
D rive to an authorized Audi dealer or author­
ized Audi Serv ice Facility immediately to have
the malfunction corrected.
tsO Audi adaptive light
App lies to vehicles: wi th Audi ada ptive ligh t
r!l Audi adaptive light: system fault!
The re is a malfunction in the adapt ive lights.
T he head lights still function .
Drive to an authorized Audi dealer or author­
ized Audi Serv ice Facility immediately to have
the malfunction corrected.
@) Light/rain sensor
App lies to vehicles: wit h lig h t/rain senso r
El Automatic headlights: system fault!
El Automatic wipers: system fault!
The light/rain sensor is not working. •

....,
N
0 > co
rl I.O
"' ....,
"' rl
.. To switch between the tabs, p ress the rocker
button ® to the left or right~
fig. 10.
.. To access additional information be low or
above, rotate the thumbwheel @down or
up .
.. To confirm a selection, press the thumb­
wheel @.
.. To select a function programmed to a steer­
ing wheel button, p ress the button@. Fo r
addi tional informa tion, see¢
page 29, As­
signing a function to the programmable
steering wheel button
Calling up the Vehicle functions
.. Se lect the first tab w ith the button @ .
.. Press the button @. The
V eh icle fun ction s
menu is displayed 9fig. 11 .
.. To select a menu item, turn and press the
th umbwheel @.
Resetting values to zero
.. In the Vehicle function s menu, select On·
board computer or Efficien cy prog ram .
.,. Se lect a v alue in the desired trip computer
or in the efficiency program .
.. To reset the values in a memo ry, press and
hold the thumbwhee l@ for one second.
Recalling indicator lights and messages
.. Press the button (!) repeated ly until the Q
tab appears.
The
Q tab is only vis ible when there is a mal­
function.
Assigning a function to the programmable steering wheel button
.. Select: the I MENU ! button >Car > Sy stem s*
control button > Vehi cle setting s > Stee ring
wheel button progr amming .
The Q tab is only vis ible when there is at
least one indicator light or message dis­
p layed.
(0 Tips
- If the vehicle battery is d iscon nected, all
memo ry valu es a re e rased.
Dr iver in formation system 29
- In formation on the efficiency program
¢page 29 .
-There is more information on the multi ­
function stee ring wheel in the MMI *
owne r's man ual.
Boost indicator
Applies to vehicles: with boost pressure indicator
Fig. 12 Instrument cluste r: boost indicator
Boost pressure indicator (boost)
A bar graph that begins on the left and fills in
toward the right indicates the eng ine's cur­
rent load (m ean ing the current boos t pres­
su re).
Efficiency program
Description
Applies to vehicles: with driver information system
Fig. 1 3 In strument cluster: efficie ncy program (exam­
ple)
Calling up the efficiency program~
.. Call up the vehicle functions by pressing the
button ®
9 page 28, fig. 10 and select the
menu item
Efficiency p rogram ¢page 29 .
The efficiency program can he lp you to use
less fuel.
It evaluates driving information in
reference to fuel consumption and shows .,..

64 Seats and storage
-Make sure the roof rack is installed exact­
ly as specified above
r::;, page 62.
- Always use suitable mounting straps for
securing items to the roof rack to help
prevent items from shifting or flying for­
ward.
- Items on the roof rack must always be
securely mounted.
- The use of a roof rack can negatively af­
fect the way a vehicle handles. Cargo
that is large, heavy, bulky, long or flat
will have a greater negative influence on
the vehicle's aerodynamics, center of gravity and overall handling. Always
drive slowly, avoid sudden braking and
maneuvers when transporting cargo on
the roof of your vehicle.
- Never exceed the maximum permissible
load carrying capacity of the roof of your
vehicle, the permissible axle weights and
the permissible total weight of your veh i­
cle
r::;, page 286, Weights.
@ For the sake of the environment
As a result of the increased wind resist­
ance created by a roof rack, your vehicle is
using fuel unnecessarily. So remove the
roof rack after using it .
Luggage compartment
Loading luggage compartment
Luggage items must be stowed securely .
Fig. 58 Place heavy objects as far forward as possible.
Note the following to preserve the vehicle's
good handling characteristics .
.,. Distribute the load as evenly as possible .
0
s
> "' m
.,. Place heavy objects as far forward as possi­
ble
r::;, fig. 58.
.,. Secure luggage items with the cargo net* or
with non-elastic retaining straps to the tie­
down rings*
r::;, page 65.
A WARNING
- Loose objects in the luggage compart­
ment can slide about suddenly and alter
the vehicle's handling characteristics.
- Loose objects in the passenger compart­
ment can fly forward during abrupt ma­
neuvers or accidents and injure occu­
pants.
- Always store objects in the luggage com­
partment and use suitable straps, partic­
ularly w ith heavy objects.
- When you transport heavy objects, al­
ways remember that a change in the cen­
ter of gravity may result in a change in
the vehicle's handling characteristics.
- Follow all warnings
¢page 125, Driving
safety.
'
(D Tips
The tire pressure must be adjusted to the
load -see the tire pressure sticker located
on the driver's side B-pillar.
General information
A WARNING ,-
Refer to the chapter Driving Safely
r::;, page 125, Driving safety for important
information , tips, suggestions and warn­
ings that you should read and follow for
your own safety and the safety of your pas­
sengers .

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M 1.1"1 ,....,
~ If there was no Ad Blue left in the tank and a
range of
O mi (0 km) was displayed in the
instrument cluster, switch the ignition on
for about 15 seconds before starting the en­ gine.
_& WARNING
Ad Blue can irritate the skin, eyes and res­piratory system. If there is contact with
the fluid, flush immediately with plenty of
water. Consult a physician if necessary.
(D Note
- Only use Ad Blue that conforms to the standard ISO 22241-1. Do not mix any
additives with the Ad Blue and do not di­lute it with water .
- Do not add Ad Blue to the diesel tank or
add diesel fuel to the Ad Blue tank. Mix­
ing can lead to damage to the engine
and the Ad Blue tank system. Warranty
does not cover damage caused by this.
- AdBlue attacks surfaces such as painted
vehicle components, plastic and carpet.
Remove the fluid as quickly as possible
with a damp cloth and plenty of cold wa­
ter. If the Ad Blue has already crystal­ lized, use warm water and a sponge .
AdBlue residue that is not removed will
crystallize and can damage the affected
surface .
- Do not store the refill bottle in the vehi­ cle. If it leaks, the escaping Ad Blue could
damage the vehicle interior.
- Do not allow AdBlue to come into con­
tact with clothing . If there is contact
with the fluid, flush immediately with
plenty of water.
@ Tips
- You can obtain refill bottles from an au­
thorized Audi dealer or authorized Audi
Service Facility.
- Follow the AdBlue manufacturer's in­
structions for use and storage.
Checking and Filling 217
Hood
Working in the engine compartment
Special care is required if you are working in
the engine compartment
For work in the engine compartment such as
checking and filling fluids, there is a risk of
injury, scalding, accidents, and burns. For
this reason, follow all the following listed
warnings and general safety precautions.
The engine compartment is a dangerous
area.
c::> .&. .
_8 WARNING
To reduce the risk of injuries, complete the
following steps before opening the hood:
- Turn the engine off.
- Switch the ignition off.
- Set the parking brake.
- Place the selector lever in the P position.
- Let the engine cool down.
- Never open the hood when you see that
steam or coolant drips from the engine
compartment- there is a danger of burns! Wait until no steam or coolant
flows out .
- Keep children away from the engine com­
partment.
- Never spill fluids on a hot engine . These
fluids (such as the freeze protection con­
tained in the coolant) can catch fire .
- Avoid short circuits in the electrical sys­
tem, especially the battery .
- When working in the engine compart­
ment, remember that the radiator fan
can switch on even if the ignition is
switched off, which increases the risk of
personal injury.
- Never open the cap on the coolant ex­
pansion tank when the engine is warm.
The cooling system is under pressure.
- To protect your face, hands, and arms
from hot steam or coolant, cover the cap
with a large cloth when opening.
II>-
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236 Tires a nd whee ls
Bead Extra load tire
means the part of the tire that means a tire design to operate
is made of steel wires, wrapped at higher loads and at higher
or reinforced by p ly cords and inflation pressures than the
that is shaped to fit the rim . corresponding standard tire .
Bead separation Extra load tires may be identi-
fied as "XL", "xl", " EXTRA
means a breakdown of the bond LOAD", or "RF" on the sidewall.
between components in the
bead .
Gross A xle Weight Rating
(" GAWR ")
Cord
means the load-carrying capaci-
means the strands forming the ty of a single axle system,
p lies in the tire .
measured at the tire-ground in-
Cold tire inflation pressure terfaces.
means the tire pressure recom-
Gross Vehicle Weight Rating
mended by the vehicle manu-( "GVWR ")
facturer for a t ire of a designat-
means the maximum total
ed size that has not been driven loaded weight of the vehicle.
for more than a couple of miles
Groove
(kilometers) at low speeds in
the three hour period before means the space between two
the tire pressure is measured or adjacent tread ribs.
adjusted.
Load rating (code )
Curb weight
means the max imum load that
means the weight of a motor a tire
is rated to carry for a giv-
vehicle with standard equip -en inflation pressure
. You may
ment including the maximum not find th
is information on all
capacity of fuel, oil, and cool- tires because it is not required
ant, air condit ioning and addi- by law.
...
tional weight of optional equip-
ment.

248 Tires and wheels
also lead to sudden tire fail­ure, including a blowout
and sudden deflation, caus­ ing 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 sticker on
the driver's side B-pillar.
-Only when all tires on the vehicle are filled to the cor­
rect pressure, the tire pres­
sure 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 speci­
fied tire pressure values for
the tires and the correct
pressures for the function of
the tire pressure monitoring
system.
-Always inflate tires to the recommended and correct
tire pressure before driving off.
- Driving with underinflated
tires bend more, letting
them get too hot resulting
in tread separation, sudden tire failure and loss of con­
trol.
-Excessive speed and/over­
loading 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 near­
est service station to check
the tire pressure and add air
as required.
(D Note
Driving without valve stem
caps can cause damage to
the tire valves . To prevent
this, always make sure that
factory installed valve stem caps on all wheels are secure­ly mounted on the valve.
@ For the sake of the environment
Underinflated tires will also
increase the fuel consump­
tion .

264 Tire s and wheel s
It is important that the inflation pressu re is
regularly checked and maintained at recom­
mended levels .
F or more informat ion p lease ask your A udi
deale r for more details .
What you can do to avoid tire and rim
damage
Low aspect ratio t ires can be damaged more
easi ly by impact with potho les, curbs, gu llies
or ridges on the road, part icularly if the t ire is
underinflated .
I n o rder to m inim ize the o ccu rrence of impact
damage to the tires of your vehicle, we recom­
mend that you observe the following precau­
tions:
- Always mainta in recommended inflat ion
pressures. Check your tire pressure every
2,000 miles (3,000 km) and add air if neces­
sary .
- Drive carefu lly on roads with potholes, deep
gullies or ridges. The impact from driving
thro ugh or over such obstacles can damage
your t ires. Impact with a curb may also
cause damage to your tires.
- After any impact, immediately inspect your
t ires or have them inspected by the neares t
authorized Aud i dealer . Replace a damaged
t ire as soon as possible .
- Inspect your t ires every 2,000 miles (3,000
km) for damage and wear . Damage is not al­
ways easy to see . Damage can lead to loss of
air and unde rinflat ion, wh ich could eventu­
ally cause t ire fail ure.
If you be lieve that a
t ire may have been damaged, replace the
tire as soon as possible.
- T hese tires may wea r more quick ly than oth­
ers.
- Please a lso remember that, whi le these t ires
deliver respons ive handling, they may ride
less comfortably and make mo re noise than
other c hoices.
Reduced performance in winter /cold
s eason condition s
All tires are designed for certain pu rposes .
The low aspect ratio, u ltra hig h performance t
ir es or iginally insta lled on yo ur vehicle a re in ­
tended for maximum dry and wet road per­
formance and handling . They are not suitable
for cold, snowy or icy weather conditions. If
you drive under those c ircumstances, you
shou ld equ ip your vehicle w ith all -season or
winter tires, which offer bette r traction unde r
those conditions . We suggest you use the rec­
ommended snow o r all-season t ires specified
for yo ur vehicle , or thei r equivalent .
Refer to~ page
261 for more detailed infor­
mation regard ing winter tires .
Tire pressure
monitoring system
ill General notes
E ach tire, including the spare ( if provided),
shou ld be checked monthly wh en co ld and in­
flated to t he inflat io n pressure recommended
by the veh icle man ufact urer on t he veh icle
placard or tire inf lation pressure labe l. (If your
vehicle has tires of a different size than the
size indicated on the vehicle placard or tire in ­
flat ion pressure labe l, you should determine
the proper t ire inflation press ure for those
t i res).
As an added safety feature, your ve hicle has
been equipped with a tire pressure monitoring
system (TPMS) that illum inates a low tire
pressure tell tale when one or more of your
t ires is s ignificantly under-inflated . According­
ly, when the low tire pressure telltale illumi­
nates, you shou ld stop and check you r tires as
soon as possib le, and inflate them to the
proper p ress ure. Driving on a sig nifican tly u n­
der -inflated t ire causes the tire to overhea t
and can lead to tire fa ilure . Under-inflation al­
so reduces fuel eff iciency and tire tread life,
and may affect the vehicle's hand ling and
stopp ing ability.
Please note that the TPMS is not a substit ute
for proper tire maintenance, and it is the driv­
er 's respons ibility to maintain correct tire
pressure, even if under-inflation has not

M N
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M er, ,....,
Trunk
refer to Luggage compartment . . . . . . . . 64
Turn signa ls .. ................. .. .... 48
Indicator light . . . . . . . . . . . . . . . . . . . . . 26
u
ULSD No . 2 (Diesel fuel) .......... ... . 2 11
Unfasten ing safety be lts .... .. .. .. .. . 140
Unid irect iona l tires ......... .. .. .. .. . 234
Uniform t ire quality grading ...... ... . 260
Unlocking/ locking
by remote contro l ........ .. .. .. .. ..
37
with the central locking switch .. .. .. .. 39
with the convenience key . . . . . . . . . . . . . 38
with the door lock . . . . . . . . . . . . . . . . . . 39
V
Vanity mirror . ............. .... .. .... 50
Vehicle
Care/cleaning ... .. .... ... .. .. .. ...
205
Dimensions ... .... .... ... .. .. .. .. .
Out of serv ice ............ .... .. .. .
Vehicle con trol mod ules ..... .. .. .. .. .
Vehicle ident ificat io n labe l ... .. .. .. .. .
Vehicle Identification N umber (VIN) ... . 287
199
195
286
286
Vehicle jack . . . . . . . . . . . . . . . . . . . 268, 272
Vehicle key .. ............. .... .. .... 35
Vehicle literature . . . . . . . . . . . . . . . . . . . . . 5
Vehicle tool kit . .............. .... ..
268
w
War ning/ indicator lights
System indicator light (MIL) . . . . . . . . . .
23
War ning/Indicator lights
A irbag system . . . . . . . . . . . . . . .
156, 157
PASSENGER AIR BAG OFF .. .. .. .. .. . 157
War ning ligh ts
refer to Indicator lights . ... .. .. .. .... 1 4
War ranty coverages .. ...... .. .. .. .. . 289
Washer f luid level (indicator light) .. .. .. 25
Washer reservoir .......... .. .. .. .. . 23 2
Washing matte finish pa int .. .. .. .. .. . 205
Wear indicator ..... .... ... .. .. .. .. . 252
Weights . .. .. .... ......... .... .. .. . 286
Inde x 305
What happens if yo u wear your safety belt
too loose? . ... .. .... . ... ...... ... ..
139
Wha t happe ns to unbe lted occupants? .. 136
What impairs driving safety? ...... .... 126
Wha t shou ld I do after changing a
whee l? ... .. .. .... .. . .. .. ..... ... ..
247
What shou ld I do after replac ing whee ls? 247
Whee l bolts
Torque .... .. .. .. .... .............
262
Whee ls . ... .. .. .... . ... ...... ... .. 233
All wheel d rive ...... .. .. ..... ... .. 193
Checking t ire press ure ... .... ... .. .. 245
Cleaning .. .. .. .. .. .. ........... .. 206
Co ld tire inflation pressure .......... 240
General notes .. ... ...... ......... . 233
Glossary of tire and loading term inolo-
gy .......... ... .. ...............
235
New t ires a nd wheels ............... 2 54
T ires and veh icle load limits ..... .. .. 249
Wheel wre nch . .. .. .. ... ....... .... . 268
When must a safety be lt be replaced? . . 138
When must the a irbag system b e inspect-
ed? ........ .. .. .. .................
156
When should I adjust the t ire pressures? 247
When should I ch ec k the ti re p ress ures? . 247
Where are lower ancho rages located? ... 185
Where can I find the t ire pressures fo r my
car? ..... .. .. .. .. .. .... ...........
245
Why sa fety be lts? .... . .. .. ..... ... .. 136
Windows
Cleaning/removing ice . ...... ... ....
207
Windshie ld
cleaning .. .. .. .. .. . .............. .
50
defrosting (automatic climate control
system) ... .. .. .. .. . .. .... .... .. .. .
71
defrosting (manua l climate control sys-
tem) ..... .. .. .. .... ............. .
69
also refer to Windshie ld ........ .... . 50
Windshie ld washer system . . . . . . . . . . . . 50
Rese rvoir capacity .. ... ....... .... . 288
Washe r reservo ir .. ............... . 232
Windshield wipers
Cleaning w iper blades .......... .... .
51
Fold ing up .. .. .. .. . .. .... .... .. .. . 51
Ind icator lig ht . ......... ......... .. 25
Replacing windsh ield wiper b lades ..... 51
Swi tching on a nd off ........... .. .. . 5 0
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