overheating AUDI S3 SEDAN 2015 Owners Manual

Instruments and indicator lights
reached the reserve mark, the bottom LED will
turn red and the
ljJ indicator light turns on
¢
page 23. The bottom LED blinks red when
the fuel level is very low.
The on-board computer shows the range based
on the fuel level¢
page 28, On-board comput­
er display.
For the tank capacity in your vehicle, refer to the
Technical Data
¢ page 260.
(D Note
Never drive until the tank is completely emp­
ty. The irregular supply of fuel that results
from that can cause engine misfires. Uncom­
busted fuel will then enter the exhaust sys­
tem. This can cause overheating and damage
to the catalytic converter.
Coolant temperature indicator
In vehicles without a coolant temperature indica­
tor, an indicator light. will turn on when the
coolant temperature is too high ¢
page 19. Re­
fer to ¢(1) .
The coolant temperature indicator @c:>
page 10,
fig . 3 only works when the ignition is switched
on . To prevent engine damage, please observe
the following notes about the temperature rang­
es.
Cold range
If only the LEDs at the bottom of the gauge turn
on, the engine has not reached operating tem­ perature yet. Avoid high engine speeds, full accel­
erating and heavy engine loads.
Normal range
The engine has reached its operating tempera­
ture once the LEDs up to the center of the gauge
turn on under normal driving conditions . The
LEDs higher up may turn on if the engine is under
heavy load or the outside temperature is high.
This is no cause for concern as long as the. in­
dicator light in the instrument cluster does not
turn on.
12
Hot range
If the LEDs in the upper area of the display and
the . indicator light in the instrument cluster
display turn on, the coolant temperature is too
high
c:> page 19 .
A WARNING
-Never open the hood if you can see or hear
steam or coolant escaping from the engine
compartment. This increases the risk of
burns. Wait until you no longer see or hear
steam or coolant escaping.
- The engine compartment in any vehicle can
be a dangerous area . Stop the engine and al­
low it to cool before working in the engine
compartment. Always follow the informa­
tion found in ¢
page 198, Working in the
engine compartment.
(D Note
- In vehicles with a boost pressure indicator* ,
this indicator replaces the temperature dis­
play. To promote a long engine service life,
avoiding high engine speeds, full accelera­
tion and heavy engine loads during approxi­
mately the first 15 minutes when the en­
gine is cold is recommended . The amount of
time until the engine is warm depends on
the outside temperature . Check the engine
oil temperature* if necessary .
c:> page 30
-Auxiliary headlights and other accessories in
front of the cooling-air intake impair the
cooling effect of the coolant. This increases
the risk of the engine overheating during
high outside temperatures and heavy engine
load.
- The front spoiler also helps to distribute
cooling air correctly while driving. If the
spoiler is damaged, the cooling effect will
be impaired and the risk of the engine over­
heating will increase. See an authorized
Audi dealer or authorized Audi Service Fa­
cility for assistance.

Automatic transmission
Launch Control-Program
Applie s to v ehi cles: w ith launch control
The Launch Control Program enables maximum
acceleration .
Requirement: The engine must be at operating
temperature and t he steering wheel must not be
turned.
.,. With the engine running, press the
!~OFFI but­
ton briefly one time
l) .
.,. Pull the selector lever back out of the O/S posi­
tion briefly to select the S position, or press it
toward the right into the tiptronic position or
select the
Dynamic driving mode in drive se­
lect*
~page 112.
.,. Press the brake pedal firmly with your left foot
and hold it all the way down for at least 1 sec­
ond.
.,. At the same time, press the gas pedal all the
way down with your right foot until the engine
reaches and stays at a high RPM level.
.,. Remove your left foot from the brake.
_.&. WARNING
- Always adapt your driving to the traffic flow.
- Only use Launch Control when road and traf-
fic conditions allow it and other drivers will
not be endangered or impacted by your driv­
ing and the vehicle's acceleration.
- Please note that the drive wheels can spin
and the vehicle can break away when sport
mode is switched on, especially when the
road is slippery.
- Once the vehicle has started moving, press
the
l .1'3 OFF ! button briefly to turn the sport
mode off.
(D Tips
- The transmission temperature may increase
significantly after using the launch control program. If that happens, the program may
1l In vehicles w ith a d rive r infor matio n syste m, a n ESC light
in t he instrument clus ter s tays o n co ntinuo usly and t he
message
Stabilization control (ESC): sport. Warning! Re·
stricted stability
appears temporarily.
88
not be available for a few minutes. It will be
available again after a cool-down period.
- When accelerating using the launch control
program, all vehicle parts are subject to
heavy loads. This can lead to increased wear.
Emergency mode
App lies to vehicles : wi th S t ro ni c t ra nsmi ssio n
In the event of a system malfunction, there is an
emergency program .
If all of the selector lever positions are highlight­
ed with a light background in the instrument
cluster display, there is a system malfunction and
the S tronic transmission is running in the emer­
gency program. The vehicle can still be driven in
emergency mode, but only with reduced speed
and not in all gears. In some cases, the vehicle
cannot drive in reverse .
(D Note
If the transmission runs in emergency mode,
drive to an authorized Audi dealer or author­
ized Audi Service Facility immediately to have
the malfunction corrected.
Transmission malfunction
• Transmission malfunction! Please stop the
vehicle and select P
There is a malfunction in the transmission. Park
the vehicle securely and do not continue driving.
See an authorized Audi dealer or authorized Audi
Service Facility for assistance.
• Transmission overheating! Please stop the
vehicle!
The transmission is too hot and can become dam­
aged. Stop and let the transmission cool with the
engine running (at idle) in the P selector lever po­
sition. Then the indicator light and the message
turn off, drive to an authorized Audi dealer or au­
thorized Audi Service Facility immediately to have.,.

....,
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the malfunction corrected. If the indicator light
and the driver message do not turn off, do not
continue dr iv ing. See an authorized Audi dealer
or authorized Audi Service Facility for assistance .
rm Transmission malfunction: you can continue
driving
Drive to an authorized Aud i dealer or authorized
Aud i Service Facility immediately to have the
malfunction corrected.
rm Transmission malfunction: no reverse gear
(you can continue driving)
Drive to an authorized Aud i dealer or authorized
Audi Service Fac ility immediately to have the
malfunction corrected.
rm Transmission malfunction: You can continue
driving in D until engine off
Drive the vehicle away from moving traffic and
park. See an authorized Audi dealer or authorized
Audi Service Fac ility for assistance.
rm Transmission overheating! Please adapt
driving style
Continue driving moderate ly. When the indicator
light turns off, you can continue driving normally.
rm Transmission: Please press brake pedal and
select gear again
If the transmission malfunctions because the
temperature is too high, a message appears
when the transmission is coo led.
Selector lever emergency re lease
Appl ies to vehicles: with S tronic transm ission
If the vehicle's power supply foils, the selector
lever can be released in an emergency.
"'
"'
"' Fig. 77 Selector lever: removing the cove r rl
Automatic transmission
Fig. 78 Selector lever: u sing the emergency release to
move out of the Park position
The emergency release mechanism is located in
the right area under the selector lever shift gate.
Using the emergency release can be complicated.
We recommend contacting your authorized Audi dealer for assistance, if necessary.
The screwdriver from the vehicle too l kit located
in the luggage compartment is needed to for the
emergency release
c> page 241. Use the flat side
of the reversible screwdriver blade .
Removing the selector lever cover
.. Set the parking brake «Ell c> A to secure your
vehicle from rolling.
.. Insert the flat side of the screwdriver s ideways
in the slot near the shift cover and pry the shift
cover up ¢
fig. 77 .
.. Pull up the co rners of the sh ift cover carefully
with your hands and fo ld it over the shifter
knob ¢
fig. 78.
Selector lever emergency release
.. Press and hold the yellow release button with
the screwdriver ¢
fig. 78.
.. Press the release button in the selector lever ®
and
move the lever into the N position.
.. Clip the shift cover back into the shift gate after
using the emergency release.
If the vehicle must be pushed or towed due to a
power failure (for example, the battery is dead),
the selector lever must first be
moved to the N
position using the emergency release mecha ­
nism .
89

....,
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"'
"'
"'
rl
-Please note that unconsciously "resting"
your foot on the accelerator pedal prevents the cruise control from braking. This is due
to the control system be ing overr idden by
the driver 's acceleration .
-If there is a b rake system malfunction such
as overheating when the speed warning sys­
tem is switched on, the braking function in
the system will be deactivated. The remain­
ing speed warni ng system fu nctions will re­
ma in active, as long as the~ (USA mod ­
els) /. (Canada models) indicator light is
on .
{i) Tips
-The cruise cont ro l system is idea l for
stretches with speed limits. The driver i s re­
spons ible for adhering to the cor rect speed.
- The cruise cont ro l rema ins active when
s hift ing ge ars.
- The brake lights turn on when the bra kes
are activated.
Switching on
Applies to vehicles: with c ruise contro l system
0
f
®t
0
Fi g. 7 9 Operating leve r: cruise co ntro l system
.. To switch th e cruise control on, pull the lever
in to posi tion @~
fig. 79 .
., Drive a t the speed to be con trolled.
.. To store the speed, press the button @. T he
[ij;\1)~14 (USA models)/ Ii.I (Canada models)
tu rns o n in the instrument cluster.
A ssi st
Changing speed
Applies to vehicles: with cruise control system
., To increase o r dec rease the speed in in cre­
ments,
tap t he lever in the 0 10 d ire ct io n
q page 95, fig . 79 .
.. To increase or decrease the speed quick ly, hold
the lever in the 0 / 0 direction u ntil the de­
sired speed is reached.
Overriding the speed
You can press the accelerator pedal down to in­
crease your speed, for example if you want to
pass someone. The speed you saved earlier will
resume as soon as you let off of the accele rato r
pedal.
If, howeve r, you exceed your saved speed by 5
mph (10 km/h) for longe r than 6 minutes, the
c ruise control turns off temporarily . The
M;\1)~14
(U SA mode ls) ;lB (Canada models) indicator
li ght in the instrumen t cluster t urns off and the
stored speed is re tained.
Preselecting the speed
Applies to vehicles: with cruise control system
You can pre-select your desired speed while the
vehicle is not moving.
., Switch on the ign ition .
.. Pull the lever into pos ition
(D 9 page 95,
fig. 79 .
., To increase or de crease t he speed, tap the lever
in the
0 10 direction .
T his function makes it poss ible, for examp le, to
save the speed you want before dr iv ing o n the
highway. Once on the h ighway, activa te the cru ise
control by p ulling the lever toward
(D .
Switching off
Appl ies to vehicles: with cruise cont rol system
Temporary deactivat ion
.. Step on the brake pedal, or
.. Press the lever into position @(not clicked into
place)
q page 95, fig. 79, or ..,
95

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..,.,
..,., ,....,
The catalytic conve rter is an efficient "clean -up"
device bui lt into the exhaust system of the vehi ­
cle. The catalytic converter burns many of the
pollutants in the exhaust gas before they are re­
leased into the atmosphere.
The exclusive use of unleaded fue l is critically im­
portant for the life of the catalytic converter and
proper functioning of the engine .
A WARNING
The temperature of the exhaust system is
high, both when driving and after stopping
the engine.
- Never touch the exhaust tail pipes once they
have become hot. This could result in burns.
- Do not park or operate the vehicle in areas
where the hot exhaust system may come in contact with dry grass, brush, fue l spill or
other material which can cause a fire .
- Do not apply additional undercoating or
rustproofing on o r near the exha ust man i­
fold, exhaust pipes, catalyt ic converte r or
heat s hields. Dur ing driv ing, the subs tance
u5ed for undercoating could overheat and
cause a fire .
(D Note
-Be awa re that just one tank f illing wit h lead­
ed
f uel will a lready se riously degrade the
performance of the c ata lytic conver ter.
- Do not exceed the co rrect engine oil leve l
9page203.
-Do not d rive until the fuel tank becomes
complete ly empty. The eng ine could misfi re.
U nburned f uel co uld also ge t in to the e x­
haust system and this could ca use the cata ­
l ytic converter to overheat.
- Do no t sw itch off the ignition wh ile the vehi­
cle is moving.
- Do not con tinue to oper ate yo ur vehicle un­
der these cond itions, as o therwise fue l can
r each the catalytic converte r. This cou ld re­
su lt in overheating of the converter, requir­
i ng its replacement.
- To assure efficient ope ration of the Emission
Control System:
Checking and Fillin g
- Have your vehicle maintained properly and
in accordance with the serv ice recommen­
dat ions in yo ur Warranty
& Maintenance
booklet.
- Lack of prope r maintenance as we ll as im­
p roper use of the vehicle will impair the
f u nction of the emission control system
and could lead to damage.
@ For the sake of the environment
Even when the Emission Control System is op­
erating properly, the exha ust gas can have a
su lfur-like exhaust gas sme ll under some op­
erating states. Th is depends on the s ulfur
content of the fuel b eing used. Us ing a diffe r­
ent bra nd of fue l may he lp, or fi lling the tank
wi th lead-free su per grade gaso line.
Diesel particulate filter
App lies to vehicles: wit h diese l eng ine
T he diese l part icu late filter filters nearly all of
the soot pa rticles ou t of the exha ust. The filter
cl ea ns itself a utoma tic all y unde r no rm al driving
con dit ions. If the filte r cannot clean itse lf (for ex­
amp le, because yo u are only driving sho rt distan ­
ces), th e fi lter becomes clogged with soot and
the
II symbol for the diese l partic ulate filter il­
l uminates
9page 22.
A WARNING
-Do not park your veh icle over flammable
materials such as grass or leaves because
the high temperature of the diesel part icu­
la te filte r could sta rt a fi re.
-
- Do not app ly an underbody protectant in the
exhaust system area or a fire cou ld start.
Selective catalytic
reduction
General information
App lies to vehicles: wit h diese l eng ine
In veh icles with selective catalytic reduction, a
u rea solution (AdBlue) is injected into the ex­
haust system before a nitrogen oxide cata lytic
conve rter to redu ce nitrogen emissions.
195

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-Drain th e oi l into a container desi gned for
this purpose, one large enough to ho ld at
least the total amount of oil in your engine .
- Engine oil is poisonous . Keep it well out of
the reach of children.
- Continuo us contact with used engine oil is
harmful to your sk in. A lways protect your
sk in by washing oil off thoroughly w ith soap
and water.
(D Note
Never mix oi l addit ives with your engine oi l.
These additives can damage your eng ine and
adversely affect your Audi Limited New Veh i­
cle Warranty .
@) For the sake of the environment
-Before changing your oi l, f irst make sure
you know where you can properly dispose of
the used oil.
- Always d ispose of used engine oil proper ly.
Do not dump it on garden soil, wooded
areas, into open streams or down sewage
d rains .
- Recycle used e ngine oi l by taking it to a used
engine oil collection facility in your area, or
contact a service station .
Cooling system
Coolant
The engine coolant performs two functions: it
keeps the engine from overheating and it pro ­
tects the engine from freezing in the winter.
The cooling system is sea led and generally re ­
q ui res lit tle atten tion.
The cooling system has been filled at the factory
w ith a pe rma nen t coolan t which does no t need to
be ch anged . T he coolant consists o f a mixture o f
specia lly condit ioned wa ter and the man ufactu r­
er's glycol -based coolant additive Gl3 antifreeze
with anticor rosion add itives (SO% for USA mod­
e ls · 60% for Canadian models) . Th is m ixture bot h
'
assures the nece ssary fros t protection and p ro-
tects meta l components in the engine 's cooling
Checking and Fillin g
system from corrosion and scaling . It also raises
t h e boiling point of the coo lant .
D o no t redu ce the con cen tra tion of the coolan t in
the summer by ad ding plain water.
The prop or­
tion of coolant additive mu st be at least 50%
but not more than 60%
to maintai n antifr eeze
protection and cooling efficiency . If the coo lant
frost pro tec tion is too low, the coo lant co uld
freeze and damage the vehicle heating and en­
gine cooling system .
For year- ro und driving, antifreeze is added at the
factory for temperatures down to :
-- 31°F(-3S° C)USA
- -40 °F ( - 40 ° C) C anada.
If you must add coolant, use a mixture of water
and coolant additiv e. Mix ing the coo lant add it ive
with dis tilled wa te r is recommended .
A WARNING
Befo re you c hec k anythi ng i n the engi ne com ­
partment, always re ad and heed a ll WA RN­
IN GS
~page 198.
(D Note
- Befor e wi nter sets in , have the coo la nt
c hecke d to see if the cool an t additive in you r
vehicle is sufficient to meet the climate con ­
ditions . This is espec ia lly impo rtant if you
live in a region where the winter is extreme ­
ly cold . If necessary, increase the proportion
of coolant additive to 60%.
- When adding coolant additive to yo ur cool ­
ing system, remember:
- We recommend us ing o nly coo la nt addi­
tive G12 ++ o r G13 ( che ck the label) fo r
your ve hicl e. This coolant addi tive is av ail­
a ble at autho rized Aud i dea le rs . Othe r
types of ant ifreeze can significant ly re­
d uce corrosion protection. The resulting
corrosion can ca use a loss o f coolant and
serious engine damage.
- Do not add any type of rad iator leak sealant
to y our vehicle's engine coolant. Adding ra­
diator repa ir fluid may adversely affect the
function and perfo rmance of your cooling .,,.
205