2017 AUDI S3 SEDAN ECU

a, a, ..... N
" N ..... 0 N > 00
Tether anchors and tether straps
Applies to: Sedan
Fig. 261 Tether anchors: recess flaps behind the rear seat­
backs
Applies to: Cabriolet/Sportback
Fig. 262 Tethe r anchors: recess flaps behind the rear seat­
backs
Applies to: Sedan: The tether anchors for the rear
seating positions are located in recesses in the
rear window
shelf ~ fig. 261
Applies to: Cabriolet/Sportback : The tether an­
chors for the rear seating positions are located
on the backside of the rear seatbacks
~ fig. 262.
A tether is a straight or V-shaped strap that at­
taches the top part of a child restraint to special
anchorage points in the vehicle .
T he purpose of the tether is to reduce the for­
ward movement of the child restraint in a crash,
in order to help reduce the risk of head injury
that could be caused by striking the vehicle inte­
rior .
Forward facing child restraints manufactured af­
ter September 1, 1999, are required by U .S. fed­
eral regulations to comply with new child head
movement performance requirements . Th ese
new performance requirements make a tether
necessary on most new child safety seats .
Child safety
A WARNING
-Improper installation of child restraints will
increase the risk of injury and death in a
crash.
- Always follow the instructions provided by
the manufacturer of the child restraint you
intend to install in your Audi .
- Improper use of child restraint anchors (in­
cluding tether anchors) can lead to injury in
a collision . The anchors are designed to
withstand only those loads imposed by cor­
rectly fitted child restraints.
- Never mount two child restraint systems on
one LATCH lower anchor point.
- Never attach two child restraint systems to
one tether strap or tether anchorage.
- Never attach a tether strap to a tie-down
hook in the luggage compartment.
- Never use child restraint tether anchorages to secure safety belts or other kinds of occu­
pant restraints.
- Never secure or attach any luggage or other
items to the LATCH lower anchorages or to
the tether anchors.
- If you must install a rearward facing child
safety seat on the front passenger seat be­
cause of exceptional circumstances and the
PASSENGER AIR BAG OFF light does not
come on and stay on, immediately install
the rear-facing child safety seat in a rear
seating position and have the airbag system inspected by your Audi dealer.
309

CXl CXl .... N ,.__
N .... 0 N > 00
A WARNING ,~
Improper use of the LATCH system can in­
crease the risk of serious personal injury and
death in an acc ident.
-
-These anchors were developed only for child
safety seats using the "LATCH" system.
- Never attach other child safety seats, belts
or other objects to these anchors.
- Always make sure that you hear a click when
latching the seat in place. If you do not hear
a click the seat is not secure and could fly
forward and hit the interior of the vehicle,
o r be ejected from the vehicle.
A WARNING
Improper installation of child restraints will
increase the risk of injury in an acc ident.
- Always follow the child restra int system
manufacturer's instruct ions for proper in­
sta llation of the child restraint system and
proper use of tether straps as well as the
lower anchorages or safety be lts in your ve ­
hicle.
- Always read and heed the important infor­
mation and WARNINGS about child safety
and the installation of child restraint sys­
tems
c> page 292, Child safety.
Using tether straps on rearward-facing
child restraints
Currently, few rear-facing child restraint systems
come w ith a tether . Please read and heed the
child restraint system manufacturer 's instruc­
tions carefully to determine how to properly in­
stall the tether.
A WARNING
A child in a rearward-facing chi ld safety seat
installed on the front passenger seat w ill be
seriously injured and can be killed if the front
airbag inflates - even w ith an Advanced Airbag
System.
- The inflating a irbag w ill hit the child safety
seat or infant carrier with great force and
will smash the ch ild safety seat and child
Child safety
against the backrest, center armrest, or
door.
- If you must install a rearward facing child
safety seat on the front passenger seat be­
cause of exceptional circumstances and the
PASSENGER AIR BAG OFF light does not
come on and stay on, immediately install
the rear-facing child safety seat in a rear
seating position and have the air bag system
inspected by your Audi dealer.
Additional information
Sources of information about child
restraints and their use
There are a number of sources of additional in­
formation about child restraint selection, instal­
lation and use:
NHTSA advises that the best child safety seat is
the one that fits your child and fits in your veh i­
cle, and that you w ill use correctly and cons is­
tent ly.
Try
before you buy!
U.S National Highway Traffic Safety Administra­
tion
Tel. : 1-888-327-4236 (TTY: l-800-424-91S3)
http://www .nhtsa.gov
http://www .safercar .gov
National SAFE KIDS Campaign
Tel.: (202) 662-0600
http://www .safekids .org
Safety BeltSafe U.S.A
Tel.: (800) 745-SAFE (English)
Tel. : (800) 747-SANO (Spanish)
http://www .carseat.o rg
Transport Canada Information Centre
Tel.: 1-800-333-0371 or ca ll 1-613-998-8616 if
you are in the Ottawa area
http://www .tc .gc .ca/ eng/roadsafety/men u. htm
Audi Customer Relations
Tel.: (800) 822-2834
311

Checking and Filling
Opening and closing the hood
The hood is released from inside the vehicle .
M ~
-...::;:;========-d ~
Fi g. 269 Sect ion from th e driver's side footwell: release
l ever
F ig. 270 Rocker switc h under the hood
m
Read and f oll ow all W ARNINGS before checking
anything in the engine compartment
q page 316, Working in the engine comport­
ment .
Make sure the wiper arms are not raised up from
the w indshield . Otherwise the paint could be
damaged.
Open ing the ho od
App lies to vehicles w ith plug-in hybrid drive *:
switch the ignition off before re leasing the hood
318
so that the gasoline engine does not start auto­
matically .
.,. With the drive r's doo r open, pull the lever be­
low the instr ument pane l in the d irection of the
arrow
q fig. 269.
... Raise the hood slightly 9 .&, .
... Press the rocker switch under the hood upward
qfi g. 270. This releases the catch .
... Open the hood .
Closing the hood
... Push the hood down unti l you override the
force of the strut .
... Let the hood fall lightly into the latch . Do not
press it in .
q .&,.
A WARNING
--Never open the hood when there is steam or
coolant escaping from the engine compart­
ment, because there is a risk that yo u could
be bu rned. Wait unt il no steam or coolant is
escaping.
- For safety reasons, the hood m ust always be
closed securely while driv ing. Because of
this, always c heck the hood after closing it
to make sure it is latched correctly. The
hood is latched if the front corners cannot
be lifted.
- If you notice that the hood is not latched while you are driving, stop immediate ly and
close it, because driving when the hood is
not latched increases the risk of an accident.
- If the hood is not latched comp letely, it
could f ly up while you are driving and ob­
struct your vision.

Checking and Filling
When the engine is warm it can be slightly above the upper marking.
Adding coolant
Plug-in hybrid drive* : Your vehicle has two cool­
ant expansion tanks that are separate from each
other. The smaller of the two expansion tanks
must not be opened
¢ page 104. Read and fol­
low the important safety precautions ¢
A in
Coolant on page 105 .
Requirement: there must be a residual amount of
coolant in the expansion tank
¢ (D .
~ Let the engine cool down.
~ Place a cloth over the coolant expansion tank
cap and unscrew the cap counterclockwise
¢_&. .
~ Add coolant mixed in the correct ratio
¢page 323 up to the upper marking.
~ Make sure that the fluid level remains stable.
Add more coolant if necessary.
~ Close the cap securely.
Coolant loss usually indicates there is a leak . Im­
mediately drive your vehicle to an authorized
Audi dealer or authorized Audi Service Facility
and have the cooling system inspected.
If the
cooling system is not leaking, a loss can come
from the coolant boiling through overheating
and being pushed out of the cooling system.
.,&. WARNING
The cooling system is pressurized and can be­
come very hot. To reduce the risk of burns
from hot coolant:
- Do not open the coolant expansion tank cap
when the engine is hot. This increases the
risk of burns.
- Stop the engine and allow it to cool.
- Protect your face, hands and arms from es-
caping coolant and steam by covering the
coolant tank cap with a large, thick cloth.
- Turn the coolant tank cap counterclockwise
slowly and keep light pressure on the cap.
- To reduce the risk of burns, do not allow any
antifreeze or coolant to drip onto the ex­
haust system or hot engine components.
324
The ethylene glycol in engine coolant can
catch fire under certain circumstances.
- The coolant additive and the coolant can be
dangerous to your health. For this reason,
keep the coolant in the original container
and away from children . There is a risk of
poisoning.
- When working in the engine compartment,
remember that the radiator fan can switch
on even if the ignition is switched off, which
increases the risk of injury.
(D Note
Do not add coolant if the expansion tank is
empty . Air could enter the cooling system and
damage the engine . If this is the case, do not
continue driving . See an authorized Audi deal­
er or authorized Audi Service Facility for assis­
tance.
- Before the start of winter, have an author­
ized Audi dealer or authorized Audi Service
Facility check if the coolant additive in your
vehicle matches the percentage appropriate
for the climate. This is especially important
when driving in colder climates.
- If the appropriate coolant additive is not
available in an emergency, do not add any
other additive. You could damage the en­
gine. If this happens, only use water and re­
store the correct mixture ratio with the
specified coolant additive as soon as possi­
ble .
- Only refill with new coolant.
- Radiator sealant must not be mixed with the coolant.
· Radiator fan
The radiator fan switches on automatically by it­
self
An auxiliary electric radiator fan switches on and
off depending on coolant temperature and other
vehicle operating conditions.
After you switch the engine off, the auxiliary fan
can continue running for up to 10 minutes
-even
with the ignition off.
It can even switch on again
later by
itself ¢.& , if .,..

Emergency assistance
• To open the side pane l, turn the lock and re­
move the
cover @*/ @ ¢ fig. 283.
• Lift the cargo floor using the plastic handle @
un til the cargo floor engages behind the tabs
© in both side panels¢ fig. 284 (upper im­
age) .
• Fold the cargo floor back before closing the
luggage compartment lid.
Vehicle tool kit and cargo floor cover
App lies to: ve hicles w ith versio n 2
The vehicle too l kit, tire mobility kit* and com­
pressor* are stored in the luggage compartment
under the cargo floor
cover @¢ fig. 283 .
• Engage the plastic hook® in the luggage com­
partment
seal ¢ fig. 284.
• Fold the cargo floor back before closing the
luggage compartment lid .
.&_ WARNING
Improper use of the vehicle jack can cause se­
r ious personal injuries.
- Never use the screw driver hex head to
tighten wheel bolts, since the bolts cannot
attain the necessary tightening torque if you
use the hex head, potentially causing an ac­
cident.
- T he factory-supplied jack is intended only
for your vehicle model. Under no circum­
stances should it be used to lift heavy
vehicles or other loads; you risk injuring
yourself.
- Never start the engine when the vehicle is
raised, which could cause an accident.
- Support the vehicle securely with appropri­
ate stands if work is to be performed under­
neath the vehicle; otherwise, there is a po­
tent ial risk for injury.
- Never use the jack supplied with your Audi
on another vehicle, particularly on a heavier
one. The jack is only suitable for use on the
vehicle it came w ith.
@ Tips
The vehicle jack* in your vehicle is mainte­
nance-free.
354
Tire mobility kit
Preparation
App lies to: vehicles with tire mobility kit
• Read and fo llow the important safety precau-
tions
in ¢ page 353.
• Set the parking brake.
• Move the selector lever into the P position.
• Check if a repair with the tire mobility kit is pos­
sible
¢ page 354.
Using the tire mobility kit
Applies to: vehicles wit h tire mobility kit
Fig. 285
Tire: t ir e damage that cannot be repaired
The tire repair is only meant for temporary use .
Change the spare tire as soon as possible
c:;> .&..
If the tire is pierced by an object such as a nail ,
do not remove the object from the tire.
..... N
0
> 00 m
The tire repair set is able to be used at tempera­
tures as low as -4 °F ( -20 °C).
The tire mobility kit may not be used :
-if the tire has cuts or punctures that are larger
than
0.16 in (4 mm) (!)¢ fig. 285.
-if the rim is damaged @.
- if you drove with very low tire pressure or with-
out air in the tire @.
In this case, see an authorized Aud i dea ler or au­
thorized Audi Service Facility for assistance.
~ WARNING
-Please note that the tire mobility kit cannot
be used in all situations, and that it may on­
ly be used temporarily.
-The tire sealant must not come in contact
with skin, eyes, or clothes.

Emerg ency assis ta nce
-To help prevent injury to yourself and your
passengers:
-Do not ra ise the vehicle until you are sure
the jack is secure ly engaged.
-Passengers must not remain in the vehicle
when it is jacked up.
-Make sure that passengers wait in a safe
place away from the vehicle and well away
from the road and traffic.
-Make sure jack posit ion is correct, adjust
as necessary and then cont inue to raise
the jack.
CD Note
Do not lift the vehicle by the sill. Position the
veh icle jack only at the designated lifting
points on the sill. Otherwise, your vehicle will
be damaged.
Taking the wheel off /installing the spare
Follow these instructions step-by-step for chang­
ing the wheel .
Fig . 293 Changing a wheel: using the screwdr iver hand le
(with the blade removed) to turn the bolts
Fig. 29 4 Changing a wheel: alignm ent pin ins ide the top
ho le
360
After you have loosened all wheel bolts and
raised the vehicle off the ground, remove and re­
place the wheel as follows:
Removing the wheel
.. Use the he xago nal socket in th e screwdriver
handle
to comp letely remove the topmost
wheel bo lt and set it aside on a
clean surface
<=> fig. 293.
.. Screw the threaded end of the alig nm ent pi n
from the tool kit hand-tight into the empty bolt
hole
<=> fig. 294.
.. Then remove the other wheel bolts as described
above .
.. Take off the whee l leaving the alignment p in in
the bolt hole
<=> (j) .
Putting on the c omp act spare wheel
.. Lift the spare wheel and carefully slide it over
the alignment p in to gu ide it in place
<=>(j) .
.. Use the hexagonal socket in the screwdr iver
handle to screw in and t igh ten all wheel bolts
slightly.
.. Remove the alignmen t pin and insert and t igh t­
en the remaining wheel bolt s light ly like the
rest .
.. Turn the jack hand le counter-clockwise to lower
the vehicle until the jack is fully released .
.. Use the wheel bolt wrench to tighten all wheel
bolts
firmly <=> page 358. Tighten them cross­
wise,
from one bolt to the (approximately) op ­
posite one, to keep the wheel centered.
CD Note
When removing o r insta lling the wheel, the
rim could h it the brake rotor and damage the
r otor. Wor k carefully and have a second per­
son he lp yo u.
{!) Tips
Neve r use the hexagonal socket in the handle
of th e sc rewdriver to loos en o r tigh ten the
whee l bolts.
-Pull the reve rsible blade from the screwdr iv­
er befo re you use the hexagona l socket in
the handle to turn the whee l bolts.

CXl CXl .... N ,.__
N .... 0 N > 00
-When mountin g tires w ith unidirectional
tread design
ma ke sure the t read pattern is
p oin ted the r ight way ¢
page 36 1.
-The wheel bolts should be clean and easy to
turn. C heck for d irt a nd cor rosion on the
ma ting surfaces o f both the wheel an d the
hub. Remove all dirt from t hese surfaces be­
fo re remo unt ing the wheel.
Tires with unidirectional tread design
Tires with unidirectional tread design must be
mounted with their tread pattern pointed in the
right direction.
Using a spare t ire with a tread pattern
intended for use in a specific direction
W hen using a spa re t ire with a tread patte rn in ­
tended fo r use in a specific direction, please note
the following:
-The direct ion of rotat ion is ma rked by an a rrow
on the side of the tire .
-If the spare tire has to be installed in the incor­
rect d irection, use the spare tire only tempora­
ri ly s ince the tire w ill not be ab le to achieve its
opt imum p erformance c harac ter istics wi th re­
gard to aquaplaning, noise and wea r.
-We recommend t hat you pay particular atten­
t io n t o this fac t during we t weat her and that
yo u adju st yo ur speed to match road condi ­
ti ons.
-Rep lace the flat t ire with a new one and have it
insta lled on yo ur ve hicl e as soon as possibl e to
r es to re th e hand li n g adva ntages of a unid irec ­
tional t ire.
Notes on changing tires
Please read the info rmation I:!> page 3 35 if you
are go ing to use a spare tire which is different
from the tires on your veh icle.
Af te r yo u c hange a tire:
-Check the tire pressure on the spare immedi­
ately after in stallation .
-Have the wheel bolt tightening torque
checked with a torque wrench as soon as pos -
Emergency assistance
sible by your authorized Audi dealer or a
qualified service station.
-With steel and alloy wheel rims, the wheel bolts are correctly tightened at a torque of
90 ft lb (120 Nm).
-If you notice that the wheel bolts are corroded
and difficult to turn while changing a tire ,
they should be replaced before you check the
tightening torque.
-Replace the flat tire with a new one and have
it installed on your vehicle as soon as possi ·
ble. Remount the wheel cover .
Until then , dr ive with extra care and at reduced
speeds.
_& WARNING
-I f you are going to equip yo ur vehicle with
tires or r ims which differ from those w hich
were factory installed, the n be sure to read
th e information
¢ pag e 335.
-Always make sure the damaged wheel or
e ven a flat tire a nd the jack and tool kit are
p rop erly secur ed in t he lu ggag e compart­
m en t an d are not l oose in th e p asseng er
compa rtme nt.
-In an accide nt or sudde n man euv er th ey
could fly forward, injuri ng a nyo ne in the ve­
hicl e.
-Always s tor e damag ed w heel, jack and t ools
securely i n the lu ggage compa rtm ent. Ot h­
erwise, in an accid ent or sud den m aneuve r
t he y c ould fl y forwar d, ca using injury to pas ­
sen gers in the ve hicle.
-
361

a, a, ..... N
" N ..... 0 N > 00
Removing the subwoofer
• Lift up the cargo floor ¢ page 362, fig. 295.
• Press the connector tabs CD¢ fig. 297 togeth­
er.
• Remove the connector @and set the discon-
nected cab le aside.
• Remove the bolt@.
• Carefully remove the subwoofer .
Installing the subwoofer
• Carefully place the subwoofer in the rim wel l.
The word "FRONT" on the subwoofer must face
forward.
• Insert the connector that was removed .
• Secure the subwoofer with the bolt.
• Fold the cargo floor cover back into place .
@ Tips
The subwoofer can also be mounted when the
spare tire is not in the spare wheel wheel.
Removing the subwoofer (version 2)
App lies to: vehicles with subwoofer in the spare wheel well
The subwoofer must be removed before the
spore wheel* can be removed .
Fig. 298 Spare w heel well : su bwoofer
Removing the subwoofer
• Lift up the cargo floor ¢ page 362, fig . 295.
• Pull the lock CD¢ fig. 298 toward the cable.
• Press the locking tab@down.
• Remove the connector @ and set the removed
cable aside .
"' Remove the bolt@.
• Caref ully remove the subwoofer.
Emergency assistance
Installing the subwoofer
• Carefully place the subwoofer in the rim well.
The word "FRON T" on the subwoofer must face
forward.
• Insert the connector that was removed .
• Slide the lock CD back in the direction of the
subwoofer .
• Secure the subwoo fer with the bolt.
"' Fold the cargo floor cover back into place .
@ Tips
The subwoofer can also be mounted when the
spare tire is not in the spare wheel wheel.
363