2018 AUDI S3 SEDAN pressure

Trail er to wing
Trailer towing
Driving with a trailer
General information
Your veh icle is primari ly intended for transport­
ing peop le and luggage. Howeve r, if you dr ive
with a tra iler , follow the techn ica l requirements ,
the operation and driving tips, and the lega l reg ­
ulations.
Dr iving w ith a trailer affects the vehicle 's fuel
consumpt ion, performance and wear. It a lso re­
quires higher concentration from the driver .
A WARNING
Do not transport any people in a trailer due to
the risk of fatal injury .
Technical requirements
Certain requirements must be met when towing
a trailer.
Trailer hitch
Only use a trailer hitch with a removab le ball
h itch mount and ball h itch. The tra ile r hitc h must
be pe rm it t ed for the vehicle, the tra iler and the
permitted tota l weight of the trailer being
pu lled . Above all, it must be secure ly and safe ly
attached to the vehicle trailer.
Never mo unt a t rai ler hitch on the bumper. The
trai ler hitc h must be mounted in a way that does
not impair the function of the bumper. Do not
make any changes to the exhaust system and the
brake system.
Check regu larly if the trai ler hitc h is securely
mounted . A lways follow the instructions given by
the trai ler hitch manufacturer .
Trailer brakes
If t he tra ile r has its own bra ke system, then fol­
low the manufacturer specifica tions. Howeve r,
the brake system on the trai ler must never be
connected to the vehicle brake system.
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Engine cooling system
D riving w ith a tra ile r means a higher load on t he
engine and the cooling sys tem. The coo ling sys­
tem must be designed for additiona l load and
contain enoug h
coolant ¢@ .
@ Note
Longer incl ines cannot be driven wi tho ut a
suitab le cooling system, especia lly if the out ­
side temperatures are high . ot herwise, this
i ncreases the risk of eng ine damage.
Operating instructions
Several things must be noted when towing a
trailer.
Towing capacity
Yo ur vehicle can only be ope ra ted with class 1 or
class 2 trai le rs.
Load distribution
Poor cargo load and distr ib ution can negatively
i mpact vehicle handling . T o have the lowest im­
pact as poss ible, load the tra ile r according to
t h ese cr ite ria :
- Store objects preferably in the vehicle luggage
compartment . The vehicle should a lways carry
the heaviest poss ib le load and the trailer
should have t he lig htest poss ible load .
- Dist ribute the load in the t railer so that the
heavy objects a re as close to the axle as poss i­
ble.
- Secu re objects from s lid ing o ut of place.
- Ut il ize the maximum permitted tongue we ight
if poss ible .
Tire s
Set the tire pressure on your vehicle for a "full
load"; see the tire pressure
st icker ¢ page 341.
If necessary, also adjust the t ire pressure on the
trailer acco rding to the manufactu rer's recom­
mendat ion.
Winter tires should be mounted on the vehicle and on the trailer during w inter temperatures .

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System settings
Setting the date and
time
You can set the clock time manually or using the
CPS* .
.. Select : IMENUI button> Settings> left control
button >
MMI settings > Date & time.
.. Or : select : IMENUI button> Vehicle> left con-
trol button >
Vehicle settings > Date & time .
Automatic setting
When this function is switched on g, the time
and date are automatically set.
Time
Requirement: the Automatic setting must be
switched
off .
Press the control knob. You can set the Time
manually by turning and pressing the control
knob.
Date
Requirement: the Automatic setting must be
switched
off.
Press the control knob . You can set the Date
manually by turning and press ing the control
knob.
Time zone
When selecting the appropriate time zone, a
sampling of countries in this zone will be listed .
Automatic time zone*
When this function is switched on g, the time
will automatically adjust to the corresponding
time zone.
Automatic daylight saving time*
When this function is switched on g, the time
will automatically switch to daylight saving time .
Time format
If you select 24h, the clock will display, for ex­
ample,
13:00 . If you select AM/PM , the clock
will disp lay, for examp le,
1:00 PM .
System settings
Date format
If you select DD.MM.YYYY , the date display will
show, for example ,
31.08.2017. If you select
MM/DD/YYYY , the date display will show, for ex­
amp le,
08/31/2017. If you select YYYY-MM­
DD ,
the date display will show, for example,
2017-08-31 .
MMI settings
.. Select: !MENU I button> Settings> left control
button >
MMI settings .
Language
You can change the display language as well as
the language for the voice guidance* and voice
recognition system*.
T he number of languages available depends on
the market.
Measurement units
The following measurement units can be set de­
pend ing on availability:
Speed , Distance , Tem­
perature , Fuel consumption , Volume , Pressure.
Tool tips
When this funct ion is switched on g, your MMI
shows you tips for input . The frequency of how
often it displays decreases with time.
Speech dialog system
Applies to : vehicles wit h voice recog nitio n system
Depend ing on veh icle equipment, the following
funct ions may be ava ilable:
Command display : when this function is switch ­
ed on
g, the MMI will show you the possible
commands for voice input in the respective
menu.
Short dialog : when this function is switched on
g, a shorter form of the prompts is used .
Command during voice output*: thi s function is
switched on at the factory . W hen this function is
switched on
g, you can say new commands dur-
ing announcements. You do not need to wait for
the signal tone (beep) dur ing an announcement.
When the funct ion is swi tched off
0, you need to Iii>
243

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Driving safety
Basics
Safe driving habits
Please remember -safety first!
The individual safety features of your vehicle can
work together as a system to help protect you
and your passengers in a wide range of accidents.
These features cannot work as a system if they
are not always correctly adjusted and correctly
used .
This chapter contains important informat ion,
tips, instructions and warnings that you need to
read and observe for your own safety, the safety
of your passengers and others . We have summar­
iz ed here what you need to know about safety
belts, airbags, child restraints as well as child
safety. Your safety is for us
priority number 1. Al­
ways observe the information and warnings in
this section -for your own safety as well as that
of your passengers.
The informa tion in t his section applies to all
model versions of your vehicle. Some of the fea ­
tures described in this sections may be standard
eq uip ment on some models, or may be optional
equ ipment on others. If you are not sure, ask
your author ized Audi dealer.
A WARNING
-Always make sure that you follow the in­
struct ions and heed the WARNINGS in this
Manual. It is in your interest and in the in­
terest of your passengers .
-
-Always keep the complete Owner's Litera­
ture in your Audi when you lend or sell yo ur
vehicle so that this important information
w ill always be available to the driver and
passengers.
-Always keep the Owner's literature handy so
that you can find it easily if you have ques­
tions .
Driving safety
Important things to do before driving
Safety is everybody 's job ! Vehicle and occupant
safety always depends on the informed and care­
ful driver .
For your safety and the safety of your passen­
gers,
before driving always:
.. Make sure that a ll lights and signals are operat­
ing correctly.
.. Make sure tha t the tire pressure is correct .
.. Make sure that all w indows are clean and afford
good vis ibility to the outs ide.
.. Secure all luggage and othe r items ca refully
c::> page 63, c::> page 63 .
.. Make sure that nothing can interfere with the
peda ls .
.. Adjust front seat, head restraint and mirrors
correct ly for your height.
.. Instruct passengers to adjust the head re­
straints according to their height.
.. Make sure to use the right child restraint cor­
rectly to protect children
c::> page 294, Child
safety .
.. Sit properly in your seat and make sure t hat
your passengers do the same
c::> page 59, Front
seats .
.. Fasten your safety belt and wear it properly. Al­
so instruct your passengers to fasten their safe­
ty belts properly
c::> page 260.
What impairs driving safety?
Safe driving is directly related to the condition of
the vehicle , the driver as well as the driver 's abili­
ty to concentrate on the road without being dis­
tracted.
The driver is responsible for the safety of the ve ­
hicle and a ll of its occupants. If your ability to
drive is impa ired, safety risks for everybody in the
vehicle increase and you a lso become a hazard to
everyone else on the road
c::> &_ . Therefore:
.. Do not let yourse lf be distracted by passengers
or by using a cellular telephone .
.. NEVER drive when your driving abi lity is im­
pa ired (by med ications, alcohol, drugs, etc .) .
.. Observe all traffic laws, rules of the road and
speed lim its and plain common sense .
.,.
249

Drivin g saf ety
- After closing the rear lid, a lways make sure
that it is properly closed and locked.
- Never leave yo ur vehicle unattended espe­
c ia lly w ith the rear lid left open. A ch ild
could crawl into the ve hicle through the lug­
gage compartment and close the rear lid be­
coming trapped and unable to get out . Be­
ing t rapped in a veh icle can lead to se rious
persona l injury.
- Never let children play in or around the veh i­
cle .
- Never let passengers ride in the luggage
compartment. Ve hicle occupants m ust al­
ways be prope rly rest ra ined in one of the ve­
hicle's seating posi tions.
(D Tips
- A ir c irculat io n helps to reduce window fog­
g ing . Stale air escapes to the outside
th rough vents i n the t rim panel. Be s ure to
k eep these slots free and open.
- The t ire pressu re must correspond to the
l oad. The tire p ressure is shown on the tire
p ressure labe l. Th e tire pressu re labe l is lo ­
ca ted on t he driver 's s ide B-p illar. The tir e
p ressure labe l lists the recommended cold
tire inflation pressures for the vehicle at its max imum capacity weig ht and the t ires t hat
were on your vehicle at the t ime it was man­
ufactured. For recommended tire pressures
for normal load cond itions, please see chap­
ter
¢ page 341.
Tie-downs
The luggage compartment is equipped with four
tie -downs to secure luggage and other items .
Use the tie-downs to secure your cargo proper ly
¢ page 255, Loading the luggage compartment.
In a col lision, the laws of p hysics mean that even
sma ller items that are loose in the vehicle will
become heavy missiles that can cause ser ious in­
jury. Items in t he ve hicle possess energy which
vary with vehicle speed and the weight of the item . Veh icle speed is the most s ignificant factor .
For examp le, in a frontal collision at a speed of
30 mph (48 km/h), the forces act ing o n a 10-lb
256
(4.5 kg) object are about 20 times the normal
weight of the item . This means that the weight
of the item would s udden ly be about
200 lbs. (90 kg). You can imag ine the in juries
that a 200 lbs. (90 kg) item flying freely through
the passenger compartment could cause in a col­
l is ion like t his.
A WARNING
Weak, damaged or imp roper straps used to
secure items to tie-downs can fa il dur ing hard
b raking or in a coll is ion and cause ser io us pe r­
sona l injury .
- Always use s uitable mo unt ing st raps and
p roper ly sec ure i tems to the t ie -downs in
the l uggage compa rtment to help preven t
items from shifting or flying forward as dan ­
ge rous missi les .
- W hen the rear seat backrest is fo lded down,
a lways use s uitable mo unting straps and
properly sec ure items to the tie-downs in
the luggage compartment to help prevent items from flying forward as dangerous
m iss iles into the passenger compartment.
- Never attach a child safety seat tether strap
to a t ie-down.
-

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Safety belt position
Correct belt position is the key to getting maxi­
mum protection from safety belts .
~
"' ,-.
9 r
Fig. 231 Safety belt pos it ion
"' a,
Standard feat ures on your vehicle he lp you adjust
the position of the safety be lt to match your body
size .
- belt he igh t adjustmen t fo r the front seats *,
- height-adjustable front seats.
.8, WARNING
Improperly posit ioned safety be lts ca n ca use
ser ious personal inj ury in an accident .
- T he shoulder belt sho uld lie as close to the
center of the co llar bone as possible and
should fit we ll on the body. Hold the belt
above the latch tong ue a nd pu ll it evenly
across the chest so that it sits as low as pos­
sible on the pelvis and there is no press ure
on the abdomen . The belt should always fit
snugly
Q fig. 231. Pull on the belt to tighten
if necessary.
- The lap belt portion of the safety be lt must
be pos itioned as low as possible across pel ­
vis and never over the abdomen. Make sure
the belt lies flat and snug
Q fig . 231 . Pull on
th e belt to tighten if necessary.
- A loose-fitt ing safety be lt can cause ser ious
injuries by shifting its pos ition on you r body
fr om the st rong bones to more vu lne rable,
soft tiss ue a nd c ause ser ious injury.
- Always read and heed all WA RN INGS and
other importa nt inform ation¢
page 263.
Safet y bel ts
Pregnant women must also be correctly
restrained
The best way to protect the fetus is to make sure
that expectant mothers always wear safety bel ts
correctly
-throughout the pregnancy.
F ig . 2 32 Safe ty bel t pos ition durin g pregnancy
To provide maximum protect ion, safety belts
must always be positioned correctly on the wear­
er's
body ¢ page 265 .
.. Adjust the front seat and adjustable head re­
straint*
correctly¢ page 59, Front seats .
.,. Pull the safety belt evenly across the chest so
that it s its as low as possible on the pelvis and
there is no pressure on the abdomen
¢ fig. 232, Q .&, .
.,. Insert the tongue into the co rrect buckle of
your se at unt il yo u h ear i t latch secu rely.
.. Pull on the belt to make sure that i t is sec urely
latched in the buckle.
_& WARNING
Improperly positioned safety belts can ca use
serious pe rsonal injury in an acc ident.
-Expectant mothers m ust always wea r th e
lap portion of the safety belt as low as pos­
sible across the pelvis and below the round­
ing of the abdomen.
- Always read and heed all WARNINGS and
other important
i nformation¢ .&. in Fasten­
ing safety belts on page 264.
265

Airbag system
-Damage to the original seat covers or to
the seam in the area of the side airbag module must always be repaired immedi­
ately by an authorized Audi dealer .
- Objects between you and the airbag can in­
crease the risk of injury in an accident by in­
terfering with the way the airbag unfolds or by being pushed into you as the a irbag in­
flates.
- Never place or attach accessories or other
objects (such as cup holders, telephone
brackets, or even large, bulky objects) on
the doors, over or near the area marked
"AIRBAG" on the seat backrests .
- Such objects and accessories can become
dangerous projectiles and cause injury
when the supplemental s ide airbag de­
ploys.
- Never carry any objects or pets in the de­
ployment space between them and the
airbags or allow chi ldren or other passen­
gers to travel in this posit ion.
- Always use the built-in coat hooks only for
lightweight clothing . Never leave any heavy
or sharp-edged objects in the pockets that
may interfere with side airbag deployment
and can cause personal injury in an accident .
- Always prevent the side airbags from being
damaged by heavy objects knocking against
or hitting the sides of the seatbacks.
- T he airbag system can only be triggered
once .
If the airbag has been triggered, the
system must be replaced by an authorized
Audi dealership.
- Damage (cracks, deep scratches etc.) to the
original seat covers or to the seam in the
area of the side airbag modu le must always
be repaired immediately by an authorized
Audi dealer.
-If children are seated improper ly, their risk
of injury increases in the case of an acc ident
¢ page 2 94, Child safety.
-Never attempt to modify any components of
the a irbag system in any way.
-In a side collision, side airbags w ill not func­
t ion properly if sensors cannot correctly
measure increasing air pressure inside the
290
doors when air escapes through larger, un­
closed openings in the door panel.
- Never drive with inte rior door trim panels
r emoved.
- Never dr ive when parts have been re­
moved from the inside door panel and the
openings they leave have not been proper­
l y closed.
- Never drive when loudspeakers in the
doors have been removed unless the
speaker holes have been properly closed.
- Always make certain that openings are
cove red or filled if additional speakers or
other equipment is installed in the inside
door panels .
- Always have work on the doors done by an
authorized Aud i dealer or qualified work­
shop .
Side curtain airbags
Description of side curtain airbags
Applies to: vehicles with side curtain airbags
The side curtain airbag sys tem can provide sup­
plemental protection to properly restrained oc­
cupants .
Fig. 24S Sid e curt ain air b ags , driver's s ide: s ide curt ain air­
bag location (example)
The side curtain airbags are located on both sides
of the inter ior above the front and rear side win­
dows ¢
fig. 245. They are identified by the word
"A IRBAG" on the windshie ld frame and the cen­
ter roof pillar.
The side curtain airbags contain features that
provide ejection mitigation to help prevent vehi-
cle occupants or parts of their bodies from being completely or partia lly ejected from the vehicle
II>

Checking and Filling
Coolan t loss usu ally indicates there is a leak. Im ­
m ed iately drive your v ehicle to an authorized
Aud i dea ler or authorized Aud i Serv ice Facility
and have the cooling system inspected. If the
coo ling system is not leaking, a loss can come
from the coolant boiling through overheating
and be ing pushed out of the cool ing system.
.&_ WARNING
- The coo ling system is under pressure . Do
not open the coolant expans ion tank cap
when the eng ine is ho t. This inc reases the
risk of burns .
- T he coo lant add itive and the coolant can be
d angerous to your healt h. For this reason,
keep the coolant in the origina l container
and away from children . There is a risk of
poisoning .
- When working in the engine compartment,
remember that the rad iator fan can switch
on even if the ign ition is switched off, which
increases the risk of in jury .
-
CD 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
cont inue driving. See an authorized Audi deal­
er or author ized Audi Service Facility for assis­
tance .
Brake fluid
Fig. 271 Eng in e co mpar tment : cap on b rake flu id r eservo ir
O bserve the safety precautions ¢ page 318,
Working in the engine compartment .
326
Checking the brake fluid level
Read the b rake fluid level on the br ake fluid res­
ervoir ¢ page 321, fig . 267. The brake f lu id leve l
must be between the MIN and MAX markings
¢ ,& .
The brake f lu id leve l is monito red automa tically .
Changing the brake fluid
Have the brake fluid changed regularly by an au ­
thorized Aud i dea ler or authorized Audi Service
Facility.
.&_ WARNING
- I f the b rake fl uid leve l is below the MIN
marking, i t can impair the bra king effec t
and driving safety, wh ich increase the r isk o f
an accident. Do not continue driving . See an
authorized A udi dealer or authorized A udi
Serv ice Facility fo r ass istance.
- If the brake fl uid is old, b ubbles may form
in the brake system dur ing heavy braking.
This would impair braking performance and
driving safety, which increases the risk of an
accident .
- To ensure the brake system functions cor­
rectly, only use brake fluids that comp ly
w ith VW standard S0 l 14 or
FMVSS- 116 DOT 4 .
CD Note
-If the brake f luid level is above the MAX
marking, brake fluid may leak o ut over the
edge of the reservoi r and result in damage
to the vehicle .
- Do not ge t any brake fl uid on the vehicle
pai nt, b ecause it w ill co rrode the paint .
Battery
General warnings about batteries
Because of t he comp lex power supp ly, all work
on batter ies such as d isconnecting, replacing ,
etc., shou ld
only be pe rformed by an authori zed
Audi dealer or authorized A udi Service Fac ility
¢ _& . ~

Wheel s
0 US DOT number (TIN) and
manufacture date
T he manufacture date is listed on
the tire sidewall (it may only ap­
pear on the inner side of the tire) :
DOT ... 2217 ...
means, for example, that the tire
was produced in the 22nd week of
the year 2017.
@ Audi Original Tires
Audi Original equipment tires
with the designation
"AO" have
been specially matched to your
Audi. When used correctly, these
tires meet the highest standards
for safety and handling. An au ­
thorized Audi dealer or author­
ized Audi Service Facility will be
able to provide you with more in­
formation.
® Mud and snow capability
"M/5" or "M+S" indicates the tire
is suitable for driving on mud and
snow.
& indicates a winter tire.
@ Composition of the tire cord
and materials
T he number of plies indicates the
number of rubberized fabric lay­
ers in the tire . In general: the
more layers, the more weight a
tire can carry. Tire manufacturers
332
must also specify the materials
used in the tire. These include
steel, nylon, polyester and other materials.
@ Maximum permitted load
This number indicates the maxi­
mum load in kilograms and
pounds that the tire can carry.
@ Uniform t ire quality grade
standards for treadwear ,
traction and temperature resistance
Treadwear, traction and tempera­
ture ranges
q page 347 .
@ Running d ir e ction
The arrows indicate the running
direction of unidirectional tires.
You must always follow the speci­
fied running direction
q page 368 .
@ Maximum permitted
inflation pressu re
This number indicates the maxi­
mum pressure to which a tire can
be inflated under normal operat ­
ing condit ions.