2015 AUDI S3 SEDAN engine coolant

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.

M N
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1.1'1
1.1'1
,....,
If th is message appea rs, press t he b rake pe da l
f ir st and the n re lease the par king brake .
IZ,;11:);MJ~ (USA models) / [i] (Canada models)
Caution: Vehicle parked too steep
I f the indicator lig ht blinks and t he messag e ap­
pea rs, there is no t enoug h bra kin g power to se­
cure the vehicle. The b rakes have ove rhe ate d. T he
ve hicl e c ould r oll aw ay even on a sm all incli ne.
l:(;1;1:t:);MJ~ (USA models ) / [i] (Canada models)
Parking brake is applied
I f th is message appears , press t he brake pedal
f ir st and the n re lease the par king b rake if neces ­
sa ry .
(D Tips
For addit io nal information o n the park ing
b ra ke, re fe r to ¢
page 78.
_L Cooling system
• Switch off engine and check coolant level!
The coolant leve l is too low or the coolant tem­
pe ra tu re is too hig h.
Do not cont inue driving and switc h the engine
off. C hec k the coolant leve l¢
page 205.
- If the coolant leve l is too low, add coolant
¢ page 206 . Only cont inue driv ing once t he in­
dicator light turns off.
- If the coolant is at the correct level , the prob­
l em may be ca used by a ma lf u nction in the radi­
ator fan. Do not cont inue driv ing. See an au­
t h orized Aud i dea le r or authorized Audi Service
Fac ility for assistance .
• Coolant temperature too high! Let engine
run with vehicle stationary
L e t th e en gine cool by r unnin g it in idle for a few
minutes .
A WARNING
-Never open t he hoo d if you ca n see o r hear
steam o r co olant escap ing from the engine
compartment. T his i ncreases the ris k of
bur ns. Wai t until yo u no lo nger see o r hear
steam o r co olan t escap ing .
Instruments and indicator lights
-The engine compa rtment in any vehicle ca n
be a dange ro us area . Sto p the engine and a l­
low it t o cool befo re working in the engine
compa rtment. Always follow the informa­
tion fo u nd in ¢
page 198, Working in the
e ngine compartment .
(D Note
Do not cont inue dr iv ing if the . indicato r
li g ht tur ns on -this inc reases the r isk o f en­
g in e damage.
"1::::7: Engine oil pressure
• Switch off engine! Oil pres sure too low
St op t he engine and do not cont inue drivi ng .
Ch eck the eng ine oi l level
¢ page 203.
- If the engine o il level is too low, add eng ine oi l
¢ page 201 . Only continue dr iving once the in­
dicator light turns off.
- If the engine o il level is co rrect and the indica­
to r li ght still turns on, turn t he e ngine off and
do not cont inue drivi ng. See an authorized Aud i
dea le r or a uth o rized Aud i Serv ice Facility fo r as­
sis tance .
(D Tips
The oil pressu re war ning is not an oi l level i n­
dicator . Always chec k the o il l ev el re gular ly .
0 Alternator/battery
• Alternator fault : battery is not being charg­
ed
T he re is a malfunction in the al ternator or the ve ­
hicle e lectr ica l system .
Drive to an authorized A udi dealer or autho rized
Audi Serv ice Facility immed iately. Because t he ve­
hicle battery is d ra ining, turn off all unnecessary
elect rical e quipment suc h as th e MMI. Seek pro­
fe ssional ass istance if t he battery charge lev el is
too low.
(•) Low battery charge: Battery will be charged
while driving
The starting ab ility may be impaired.
19

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-Always hold the steering wheel with your
hands in the 9 o'clock and 3 o'clock posi ­
tions to reduce the risk of injury if the airbag
deploys .
- Never hold the steer ing wheel in the 12
o'clock position or w ith both hands on the
rim or the center of the steering wheel.
Holding the stee ring wheel incorrectly sig­
nificantly increases the risk of injury to the
hands, arms and head if the airbag deploys.
Starting and stopping
the engine (vehicles with an ignition lock)
Starting the engine with the key
Applies to vehicles: with mechanical ignit ion lock
The ignition is switched on and the engine start­
ed with the key in the ignition .
Fig . 68 Ignit io n key pos it io n s
Stee ring l ock
If the steering wheel wil l not turn, the steering
lock is engaged.
To engage the steering wheel lock : the selector
l ever must be in the P position.
.,. To engage the steering w heel lock, turn the
whee l until it locks whe n the ignition key is re­
moved.
.,. To re lease the steering wheel lock , insert the
key in the ignition lock and turn the key in the
-direction of the arrow-while turning the steer ­
ing wheel.
~ Swit ching the ignition on /off or prew arming co
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.,. To sw itch the ignition on, turn the ignition key
to position @.
Dr ivi ng
.,. To switch the ignition off, turn the ignition key
to posit ion @.
Diesel vehicles are preheated while the ignition is
swi tched on
m .
Starting the engine
Your vehicle is equipped with launch control. As
soon as you have turned the ign ition key to posi­
tion @, the engine will start automatically.
.,. Press the brake pedal and move the selector
lever to the P or
N position .
.,. Turn the key br iefly to position @. The ign ition
key automatically retu rns to position @. Do not
press the a cce le rator pedal when doing this.
Major electrical equipment switches off tempora­
rily when start ing the engine .
It is possible that there w ill be a slight delay
when starting the eng ine in diesel vehicles in
colder temperatures . T herefore, you must hold
the brake pedal down unti l the engine starts . The
indicator light turns on wh ile the engine is pre­
hea ting
lJ .
The prewarming time depends on the coolant
temperature and outside temperatu re. The glow
pl ug indicato r light
IJ will only turn on for ap­
proximate ly 1 second when the eng ine is warm or
the outside tempe rature is higher than 8
°C. That
means you can start the engine
immediately .
If the engine does no t st art immediately, stop
the start ing procedure by turning the ignition key
to position @and repeat after 30 seconds.
Automatic start malfunction
If the (m (gasoline engine) or IJ (diesel engine)
i ndicato r light turns on and the message
Engine
start sy ste m malfunction . Plea se c ontact S erv­
i c e
appea rs, there is an automatic sta rt malfunc ­
t ion .
T o start the engine, hold the ignit io n key in posi­
tio n@ unt il the engine r uns.
Drive to an authorized Audi dealer or authorized
Audi Se rv ice Facility immed iately to have the
malfunction corrected. ..,.
73

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children remain in the vehicle. Otherwise
the children could start the engine or oper­ate electrical equipment such as power win­
dows .
- For safety reasons, always park the vehicle
with the selector lever in the P position.
Otherwise, there is the risk that the vehicle
could roll.
- After the engine has been switched off, the
radiator fan can continue to run for up to 10
minutes -even with the ignition switched
off.
It can also switch on again after some
time if the coolant temperature rises as a
result of heat build up or if the engine com­
partment is heated by sunlight and the en­
gine is hot.
(D Note
- If the engine has been under heavy load for
an extended period of time, heat builds up
in the engine compartment after the engine
is switched off -there is a risk of damaging
the engine . For this reason, let the engine
run for at idle for approximately two mi­
nutes before shutting it off.
Starting and stopping
the engine (vehicles with
a convenience key)
Engine with the
button Starting
Applies to vehicles : wit h convenience key
The I S TART ENGINE STOP I button switches the
ignition on and starts the engine.
Fig. 69 Ce nter conso le : STAR T ENGINE STOP button (wit h
:0 conve nience key)
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Driving
You can start your car without using your conven ­
ience key. You must simply be carrying the key
with you .
Switching the ignition on/off or prewarming
If thP ,Y,n indicator light blinks and the message
Plea se move steering wheel appears when
switching the ignition on, the steer ing is locked
by the steering lock. In this case, turn the steer­
ing wheel slightly to the left/right .
.,. To switch the ign ition on/off , press the
!S TART ENGINE ST OP I button. Do not press the
bra ke pedal whi le doing this.
Diesel vehicles are preheated while the ignition is
switched on
m .
Starting the engine
Your vehicle is equipped with launch control. The
engine starts automatically when you press the
I STAR T ENGINE ST OP I button brief ly.
.,. Press the brake pedal and move the selector
lever to the P or N position .
.,. Press the
I STAR T ENGINE ST OP ! button briefly .
The engine w ill start .
Major electrical equipment switches off tempora ­
rily when start ing the engine.
It is possible that there will be a slight delay
when starting the engine in diesel vehicles in
colder temperatures . Therefore, you must hold
the brake pedal down until the engine starts . The
indicator light turns on while the engine is pre­
heating
m .
The prewarming time depends on the coolant
temperature and outside temperature . The glow
plug indicator light
El will only turn on for ap­
proximate ly 1 second when the eng ine is warm or
the outside temperature is higher than 8
°C. That
means you can start the engine
immediately .
If the engine does not start immediately, stop
the start ing procedure by pushing the
I STAR T ENGINE ST OP I button again and repeat
after 30 seconds. .,.
75

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more force to turn or brake if necessary. Be­
cause you cannot steer and brake as you
usually would, this could lead to crashes
and serious injuries.
- Please note that the brake booster and pow­
er steering only work when the engine is
running. When the engine off, you must use
more force to steer or brake the veh icle. Be­
cause the usual steering and braking capa­
bility is not avai lable, the risk of accidents or
injuries inc reases.
- Always take t he vehi cle key with you when
leaving the vehicle, even for a short period
of time. This applies partic ularly when chil­
dren remain in the vehicle . Otherwise the
children could start the engine or operate
electrical equipment such as power win­
dows.
- For safety reasons, always park the vehicle
with the selector lever in the P position.
Otherw ise, there is the risk that the veh icle
could roll.
- After the engine has been switched off, the radiator fan can continue to run for up to 10
minutes -even with the ignition switched
off.
It can also switch on again after some
t ime if the coolant temperature rises as the
result of heat bu ildup or if the eng ine com­
partment is heated by the s un's rays and the
engine is hot .
(D Note
If the eng ine has been under heavy load for
an extended per iod of t ime, heat bu ilds up in
the eng ine comp artment after the engine is
sw itched off -there is a r isk of damaging the
engine. For this reason, let the engine run for
at idle for approximate ly two minutes before
shutting it off.
Dr iving
Starting the engine if there is a
malfunction
Applies to vehicles: with convenience key
It may not be possible to start the engine under
certain circumstances, for example if the battery
in the vehicle key is drained, if interference is af­
fected the key or if there is a system malfunc­
tion.
F ig. 70 Steer ing colum n/remote co ntrol key: start ing the
engine if there is a ma lfunction
As long as the message y >l) K ey not r ecognized .
Se e owne rs manual
appears, you can start your
vehicle using the emergency start function .
"' Press the brake pedal
c:::> .&. in Engine with the
button
START ENGINE STOP Starting on
page
76.
"' Press the ~ I s=T~A~R~T~E~N~G~IN~E~s=T~O~P~ I button.
"' Ho ld the master key in the location indicated as
shown in the illustration
y >>) c:::> fig. 70. The en­
gine will start .
"' If the engine does not automat ically start,
press the
I START ENGINE STOP I button again.
Drive to an authorized Audi dealer or authorized
Audi Serv ice Facility immediately to have the
malfunction corrected.
@ Tips
You can display the message that appears
during an emergency by pressing the
I S TART ENGINE STOP!* button.
Driver messages
Turn off ignition befor e leavi ng car. Batt ery is
di schar ging
77

Trailer mode
load" on the label located on the driver's side B ­
pillar (visible when the door is open). Inflate
trailer tires to trailer and tire manufacturers'
specifications.
Lights
Check to make sure both vehicle and trailer lights
are working properly.
Safety chains
Be sure tra iler safety cha ins are properly connect­
ed from the trailer to the hitch on the vehicle.
L eave enough slack in the chains to permit turn­
ing corners. When you install safety chains, make
sure they will not drag on the road when you are
driving .
The chains should cross under the trai ler tongue
to prevent it from dropping in case of separation
from the hitch .
Driving instructions
Driving with a trailer always requires extra care
and consideration .
To obta in the best poss ible handling of vehicle
and trailer, please note the following:
.,. Do not tow a loaded tra iler when your car itself
is not loaded.
.. Be especia lly careful when passing other
vehicles.
.. Observe speed limits .
.. Do not drive at the maximum permissible
speed.
.. Always apply brakes early.
.. Monitor the temperature gauge.
Weight distribution
Towing a loaded trai ler with an empty car results
in a high ly unstable distribution of weight. If this
cannot be avoided, drive at very low speeds only
to avoid the risk of losing steering control.
A "balanced" rig is easie r to operate and control.
This means that the tow vehicle should be loaded
to the extent possible and permissible, while
keeping the trailer as light as poss ible under the
circumstances. Whenever possible, transfer
some cargo to the luggage compartment of the
92
tow vehicle while observing tongue load require­
ments and vehicle loading considerations.
Speed
The higher the speed, the more diff icult it be­
comes for the driver to control the rig. Do not
drive at the maximum permissible speed. Reduce
your speed even more if load, weather or wind
conditions are unfavorab le -particularly when
going downh ill.
Reduce veh icle speed
immediately if the trailer
shows the slightest sign of swaying .
Do not try
to stop the swaying by accelerating.
Observe speed limits. In some areas, speeds for
vehicles towing tra ile rs are lower than fo r regular
vehicles .
Always apply brakes early. When driving down­
hill, shift int o a lo wer gear to use the eng ine
braking effect to slow the vehicle . Use of the
brakes alone can cause them to overheat and fail.
Coolant temperature
The coolant temperature gauge¢ page 12 must
be obse rved carefully. The coolant temperature
can increase if you dr ive on long inclines in a low
gear at high engine speeds . Reduce your speed
immediately if the LEDs in the top part of the dis­
play turn on .
For more information abo ut ind icator lights, re­
fer to. ¢
page 19 .
A WARNING
-
Anyone not properly restrained in a moving
vehicle is at a much greater risk in an acci­
dent. Never let anyone ride in your car who is
not proper ly wearing the restraints provided
by Aud i.
Trailer mode notes
Important to know
Your vehicle handles differently when towing a
trai ler because of the additiona l weight and dif­
ferent weight distribution . Safety, performance
and economy will greatly depend on how careful-
ly you load your trailer and operate your r ig. ..,.

Checking and F ill in g
damp cloth and plenty of cold water. If the
AdB lue has already crysta llized, use warm
water and a sponge. AdBl ue res idue that is
not removed will crysta lli ze and can damage
the affected s urface.
- Do not store the ref ill bottle in the vehicle.
If it leaks, the escaping Ad Blue cou ld dam­
age the veh icle inter ior.
- Do not allow Ad Blue to come into contact
with clothing. If there is contact with the
flu id, flush immed iate ly w ith plenty of wa­
ter .
@ Tips
-You can obtain refill bott les from an author­
i zed Audi dealer or authorized Audi Service
Facility .
- Follow the Ad Blue manufacturer 's instruc­
tions for use and storage .
Engine compartment
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
c h ecking and filling fluid s, there i s a risk of in ­
jury, scalding , accid ents, and burns. F or thi s
rea son, follow all the following li sted warning s
and general safety precautions. The engine
c ompartment is a dangerous area!
~ &
A WARNING
To reduce the risk of injur ies, complete the
following steps before opening the hood :
- Turn the eng ine off.
- switch the ignit ion off .
- Set the parking b rake.
- Pla ce the sele ctor leve r in the P pos ition.
- Let the engine coo l down .
- Never open the hood when you see that
steam o r coolan t drips from the engine
compartment- there is a da nger of burns!
Wait un til no steam o r coolant flows ou t.
- Keep children away from the engine com­
partm ent.
198
-
- Never sp ill fluids on a hot engine . These fl u­
ids (such as the freeze protection conta ined
in the coolant) can catch fire.
- Avoid short circ uits in the e lectrica l system,
especially the battery.
- When working in the engine compa rtment,
remember that the radiator fan can switch
on even if the ignition is switched off, wh ich
increases the risk of pe rsonal injury.
- Never open the cap on the coolant expan­
si on tank when the engine is warm . The
cooli ng system is under p ress ure .
- To protect yo ur face, hands, and a rms from
hot steam or coolant, cover the cap with a large cloth when o pening.
- Do not remove the engine c over under any
circumstances . T his i ncreases the r isk of
burns.
- If tests need to be per formed with t he en­
gine running, there is additional danger due
to mov ing components (such as the rib bed
be lt , a lternator a nd radiator fan) a nd from
the high v olt age ignit io n sy stem.
-Never reac h into the radiato r fan . The e lec­
tric aux iliar y fan i s controlled by tempera­
ture and can swi tch on sudden ly.
- Pay attention to t he fo llow ing warnings list­
ed when w ork on the fue l system o r on the
elec tric al equipmen t is requ ired .
- Always d isconnect the vehicle battery
from the vehicle electrical system
- Do not smo ke
- Never work near open flames
- Always have a work ing fire exting uis her
near by
- To reduce t he risk of e le ct ric shock and in­
jury, never touch the following components
when t he engine is running or is bein g start­
e d :
- Ign ition cable
- Other components in the electronic h igh
vo ltage ignition system
- If you must check or perform work o n the
e ngine whi le it is running:
- S et t he parki ng bra ke and pla ce the selec­
t or lever in the P (park) posi tion first .

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-Always proceed with extreme caution so
that clothing, jewelry or long hair do not
become caught in the radia tor fan, fan
belt or other moving components or do not come into contact with hot compo­
nents . T ie back long hair before beg inning
work and do no t wear cloth ing that can
hang down into the eng ine.
- limit your exposure to exhaust and chemi­
cals to as short a time as possible
q ,& .
..&, WARNING
California Propos ition 65 Warning:
- Engine exhaust, some of its constituents,
and certai n veh icle components conta in or
em it chemicals known to the State of Cali­
forn ia to cause cancer and birth defec ts and
reproductive harm. In addition, certai n flu ­
ids contained in vehicles and certain prod­
ucts of component wear contain or emit
chemicals known to the State of California
t o cause cancer and birth defects or other
reproductive harm .
- Battery posts , terminals and related acces­
sories contain lead and lead compounds,
chem icals known to the State of California
to cause cancer and reproductive harms .
Wash hands after hand ling.
(D Note
When filli ng flu ids, be sure not to m ix the flu­
ids up . Otherwise seve re malfunctions and en ­
gine damage w ill occur .
@ For the sake of the environment
You should regu larly check the grou nd under
your veh icle in order to detect leaks quickly . If
there are visible spots from oil or other f luids,
b ring yo ur vehicle to an autho rized Aud i dea l­
er or authori zed Audi Se rv ice F acili ty to be
checked.
Ch eck in g and Fillin g
Opening the hood
The hood is released from the in terior .
Fig . 155 Se ctio n from t he dr iver' s footwe ll: re le a se le ve r
Fig . 156 Ro cke r swit c h un der t he hoo d
Make sure the wiper arms a re not raised up from
the windsh ie ld . Oth erwise the paint cou ld be
damaged.
.,. W ith the driver's door open, pull the lever be­
low the instr ument pane l in the d irect ion of the
arrow
<=> fig. 155.
.,. Raise the hood slightly r:!> ff::.. .
.,. Press the rocker switch unde r the hood upward
q fig. 156 . This re leases the catch .
.,. Open the hood .
..&, WARNING
-=
Never open the hood when you see that steam
or coolant drips from the engine compart­
ment- there is a da nger of bu rns! Wait unt il
n o steam or coolant flows out .
- Never open the hood when you see that
s team or coo lant dr ips from the e ngine
comp artment- the re is a dange r of burns !
Wait until no steam or coo lant flows o ut .
199