brake AUDI TT COUPE 2017 Owner's Guide

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brake rotors and pads by caref ull y applying
the brakes several t imes .
-If the front spoiler is damaged or you install
another spoiler, make sure the front wheel
brakes are vent ilated properly. Otherwise,
the brake system could overheat, wh ich re­
duces the ir effectiveness .
- Failure of a brake circuit impairs b raking
performance , which increases brak ing dis­
tance. Avoid driving the vehicle and have it
towed it to the nearest author ized Audi
dealer or author ized A udi Se rvice Facility.
- Never let the vehicle roll while t he engine is
stopped because this increases the risk of a n
acc iden t.
- If the bra ke booste r is not working, you will
have to press m uch ha rder on the bra ke
ped al to compensate for the lac k of th e
booster.
- Never let the brakes "rub " by pressing the
pedal light ly when bra king is no t actually
ne cessary . T his cause s the brakes to over­
hea t and i ncre ases br aking di stance and
ca uses wear.
- B efo re driv ing downh ill a long dis tance on a
steep h ill, decrease your speed and se lec t a
l ower gear . This makes use of the engine
braking effect and relieves the brakes . If
you need to b rake additionally, brake in in­
tervals and not continuously.
@ Tips
- If the brake booste r is not working, you
must press the brake pedal with much more
fo rce than normal.
- If you retrofit yo ur vehicle with a front spoil­
er, whee l
covers or similar items, make sure
that the air flow to the front whee ls is not
i nterr upted . Otherw ise the brake system
ca n become too hot .
Intelligent Technology
Electromechanical
steering
The electromechanical steering supports the
driver 's steering movements .
Power steering adap ts elec tronically based on
the ve hicle speed.
Indicator light s and message s
• Steering: malfun ction! Please stop vehicle
If this indica to r li ght tur ns on and st ays on and
t hi s message appea rs, the powe r steering may
have failed.
Stop t he vehi cle in a safe location as soon as pos­
s ible. Do
not cont inue drivi ng. See an autho riz ed
Audi dealer or authorized A udi Service Fac ility for
assistance .
l;r- ij S teering : malfun ction! You may continue
driving
If the indicator light turns on, the steering wheel
may be more d ifficult to
move or more sensit ive
t h an usua l. Th e steer ing whee l may a lso be at an
angle when d riving s trai ght.
D rive slowly to an a uthorized Audi dea ler or au­
t h orized Audi Serv ice Facility to have the mal­
funct ion corre cted.
(D Tips
If the . or l;r, ij ind icator light only s tays on
fo r a short time, you may continue d riving.
All wheel drive (quattro)
In all wheel drive, all four wheels are powered.
General information
In all whee l dr ive, the dr iv ing power is divided be­
tween all four wheels . This happens automatical ­
ly depending on you r dr iv ing behav ior as we ll as
t h e cur rent road condi tions. A lso see ~
page 88,
Elec tronic stabilization con trol ( ESC).
T he all whee l dr ive concept is des igned for high
engine power . You r vehicle is except ionally pow­
erfu l and has excellent driv ing cha racteristics
bot h unde r normal d rivi ng conditions and o n
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for an extremely small period of time. Data that
is recorded in such a case may include vehicle
speed, driving direction, the load on the brakes
and head restraints and performance in the event
of an acc ident or other change in status. The
stored data can only be read or downloaded with
special devices .
Intelligent Technology
95

Safe dri ving
- never rest your feet on the seat cushion or back
of the seat
- never ride in the footwell
- never ride in the cargo area
_& WARNING
Improper seating posit ions increase the r isk
of serious personal injury and death whenever
a vehicle is being used .
- Always make sure that all vehicle occupants
stay in a proper seating position and are
properly restrained whenever the vehicle is
being used.
Driver and passenger
side footwell
Important safety instructions
_& WARNING
Always make sure that the knee airbag can in­
flate without interference . Objects between
yourself and the airbag can increase the risk
of injury in an acc ident by interfering with the
way the airbag deploys or by being pushed in­
to you as the airbag deploys.
- No persons (children) or animals shou ld ride
in the footwell in front of the passenger
seat .
If the airbag dep loys, this can result in
serious or fatal injuries.
- No objects of any kind should be carried in
the footwell area in front of the driver's or
passenger 's seat. Bulky objects (shopping
bags, for example) can hamper or prevent
proper deployment of the airbag. Small ob­
jects can be thrown through the vehicle if
the airbag deploys and injure you or your passengers .
184
Pedal area
' Pedals
The pedals must always be free to move and
must never be interfered with by a floor mat or
any other object.
Make sure that all pedals move freely withou t in­
terference and that nothing prevents them from
returning to their orig inal positions .
Only use floor mats that leave the pedal area free
and can be secured with floor mat fasteners .
If a brake circuit fails, increased brake pedal trav­
el is required to bring the vehicle to a full stop.
_& WARNING
Pedals that cannot move freely can cause loss
of vehicle control and increase the risk of seri­
ous injury.
- Never place any objects in the driver's foot­
well. An object could get into the pedal area
and interfere with pedal function . In case of
sudden braking or an acc ident, you would
not be able to b rake or acce lerate!
-Always make sure that nothing can fall or
move into the driver's footwell.
Floor mats on the driver side
Always use floor mats that can be securely at­ tached to the floor mat fasteners and do not in ­
terfere with the free movement of the pedals.
.. Make sure that the floor mats are properly se­
cured and cannot move and interfere with the
pedals
~ .,&.. .
Use only floor mats that leave the pedal area un­
obstructed and that are firmly secured so that
they cannot slip out of position . You can obta in
su itable floor mats from your author ized Audi
Dealer.
Floor mat fasteners are installed in your Audi.
Floor mats used in your vehicle must be attached
to these fasteners . Properly securing the f loor
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mats will prevent them from sliding into posi­
tions that could interfere with the pedals or im­ pa ir safe operation of your vehicle in other ways.
.&_ WARNING
Pedals that cannot move freely can result in a
loss of vehicle control and increase the risk of
serious personal injury .
- Always make sure that floor mats are prop­
erly secured.
- Never place or install floor mats or other floor coverings in the veh icle that cannot be
properly secured in place to prevent them
from slipp ing and interfering with the ped­
als or the ability to contro l the vehicle.
- Never place o r install floor mats or other
floor coverings on top of already installed
floo r mats. Add it ional floor mats and othe r
coverings w ill reduce the size of the peda l
area and interfere with the pedals.
- Always properly reinstall and secure floor
mats that have bee n taken o ut for cleaning.
- Always make sure that objects cannot fall
in to the dr iver footwell while the veh icle is
moving. Objects can be come trapped under
the brake peda l and accelerator pedal caus ­
ing a loss of vehicle control.
Stowing luggage
Loading the luggage compartment
All luggage and other objects must be properly
stowed and secured in the luggage compart­
ment.
Fig . 14 8 Safe load pos itio ning: heavy cargo posi tioned a s
far forward as poss ib le .
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ii: ID
Saf e drivi ng
Loose items in the luggage compartment can
shift suddenly, changing vehicle handling charac­
teristics . Loose items can also increase the risk of
serious personal injury in a sudden veh icle ma­
neuver or in a collision .
.,. Distribute the load evenly in the luggage com­
partment.
.,. Always place and properly secure heavy items in
the luggage compartment as far forward as possible
¢ fig. 148 .
"' Secure luggage using the t ie-downs provided
¢ page 186.
"' Make sure that the rear seatback is secure ly
la tched in p lace.
.&_ WARNING
Imp roper ly stored luggage or other i tems can
f ly through the vehicle causing serious per­
sonal injury in the event of hard braking or an
accident. To help reduce the risk of serio us
personal injury:
- Always put objects, for example, luggage or
other heavy items in the luggage compart­
ment.
-Always secure objects in the luggage com­
partment using the tie-down hooks and
suitable straps .
.&_ WARNING
-
Heavy loads will influence the way your vehi­
cle handles . To help reduce the risk of a loss
of cont rol lead ing to serious personal injury:
-Always keep in m ind when transpo rting
heavy objects, that a change in the center of
gravity can also cause changes in vehicle
handling :
- Always distribute the load as evenly as
poss ible.
- Place heavy objects as far forward in the
luggage compartment as possible.
- Never exceed the Gross Ax le Weight Rating
or the G ross Vehicle Weight Rating specif ied
on the safety compliance sticker on the left
door jamb. Exceeding permissible we ight
standards can cause the vehicle to slide and handle differently.
~
185

Check ing and F illing
Engine compartment
Working in the engine compartment
Special care is required if you are working in the
engine compartment
Fo r wo rk in th e engine compa rtmen t su ch as
c h ec kin g and filli ng flu id s, th ere is a risk of in ­
j u ry, sc aldin g, ac cide nts, a nd b urn s. For this
rea son, foll ow all the warning s and gener al
s a fe ty p recaution s pr ov ided in the f ollow ing in·
f o rm ation . Th e en gine c omp artmen t is a dan ­
ger ous are a.
¢ ,&.
_& WARNING
- T urn the engine off.
- Switch the ign ition off .
- Set the parking brake .
- Place the selector lever in the P pos ition.
- let the engine cool down.
- Never open the hood when there is steam or coolant escaping from the engine compart­
ment, because there is a risk that you could
be burned . Wait until no steam or coolant is
escaping .
- Keep ch ildren away from the engine com­
partment .
- Never spill flu ids on a hot engine. These flu­
ids (such as the freeze protection contained
in the coolant) can catch fire .
- Avoid short circu its in the electrical system,
especially to the battery .
- When working in the engine compartment,
remember that the rad iator fan can sw itch
on even if the ign ition is switched off, which
increases the risk of pe rsonal injury .
- Never open the cap on the coolant expan­ sion tank when the eng ine is warm. The
cooling system is under pressu re .
- To protect your face, hands, and arms from
hot steam or coolant, cover the cap with a
large cloth when opening.
- Do not remove the engine cover under any
circumstances. This increases the risk of
burns.
- If tests need to be performed w ith the en­
gine running, there is additional danger d ue
244
to moving components (such as the ribbed
be lt, alternator and rad iator fan) and from
the high voltage ignition system.
- Do not press the acce lerator pedal inadver­
tently if a gear is selected when the vehicle
is stationary and the engine is running. Oth­
erwise, the vehicle will start to move imme ­
diately and this could result in an accident .
- Pay attent ion to the following warnings list­
ed when work on the fuel system or on the
electrical equipment is required.
- Do not smoke .
- Never work near open flames .
- Always have a working fire extinguisher
nearby
- All work on the battery or elect rical system
in your vehicle can result in injuries, chemi­
cal b urns, acc idents or burns . Because of
this, all work must be performed
onl y by an
authorized Audi dealer or authorized Audi
Service Facility.
- To reduce the risk o f electric shock and in ­
jury, never touch the following components
when the engine is running or is being start•
ed:
- Ign ition cable
- Other components in the electronic high -
vo ltage ign ition system
- If you must check or perform work on the
engine while it is running:
- Set the parking brake and place the selec­
tor lever in the P (park) position first .
- Always proceed w ith extreme caution so
that clothing, jewelry or long hair do not
become caught in the radiator fan, fan
belt or other moving components or do
not come into contact with hot compo­
nents. Tie back long hair before beginn ing
work and do not wear clothing that can hang down into the engine .
- Lim it your exposure to exhaust and chemi­
cals to as short a time as possible
¢ .&. .
A WARNING
California Proposition 65 Warning:

Checking and Filling
Engine compartment overview
The most important check points.
Fig. 189 Typ ical l ayout of the reservoir and the engine o il filler opening
(D Coolant expansion tank (- t) ¢ page 250
@ Engine oil dipstick¢ page 248
® Engine oil filler opening ( @ Engine oil label* with VW standard
¢ page246
® Brake fluid reservoir ((0)) ¢ page 251
@ Jump start point( +) un der a cover, (-) body
ground point ¢page 293
0 Fuse housing ¢ page 289
@ Washer fluid reservoir (W) ¢ page 253
The engine oil dipstick and the engine oil filling
opening ¢ fig. 189 (items@and @) may be lo­
cated in different places depending on the engine
design.
A WARNING
Read and follow all WARNINGS before check­
ing anything in the engine compartment
¢page 244.
246
Engine oil
Engine oil specifications
The engine ail used must conform to exact speci­
fications.
The serv ice interval d isplay in the instrument
cluster of your vehicle will inform you when it is
time for an oil change. We recommend that you
have your oil changed by an authorized Audi Serv­
ice Adv isor.
If you must add oil between oil changes, use an
oil that matches the Audi oi l quality standard
listed on the sticker. The sticker is located at the
front of the eng ine compartment¢ page 246,
fig. 189 .
Audi recommends
~Castrol J@t@fkl!t ?llw..::~c:1£;,'lAl.
Audi recommends Longlife high performance
engine oil from Audi Genuine Parts .,..

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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.
A 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 eng ine 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 .
The ethylene g lycol in engine coolant can
catch fire under certain circumstances.
- The coolant add itive 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 sw itch
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
cont inue driving. See an authorized Audi deal­
er or authorized Audi Service Facility for assis­
tance.
Checking and Filling
Brake fluid
Fig. 193 En gi ne compartment: cover on the b rake fluid
rese rvoir
Observe the safety precautions QA in Working
in the engine compartment on page 244 .
Checking the brake fluid level
.,. Read the brake f luid level on the brake fluid
reservoir
Q page 246, fig . 189. The brake fluid
level must be between the MIN and MAX mark­
ings
Q A .
The brake fluid level is monitored automatically.
Changing the brake fluid
Have the brake fluid changed regularly by an au­
thorized Audi dealer or authorized Audi Service Facility.
.&_ WARNING
- If the brake fluid level is below the MIN
marking, it can impair the brak ing effect
and driving safety, which increase the risk of
an accident. Do not continue driving. See an
authorized Audi dealer or authorized Audi
Serv ice Facility for assistance.
- If the brake fluid is old, bubbles may form
in the brake system during 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 comply
with VW standard 501 14 or
FMVSS-116 DOT 4.
251

Check ing and F illing
CJ) Note
- If the brake fluid level is above the MAX
mark ing, brake fluid may leak out over the
edge of the reservoir and result in damage
to the veh icle.
- Do not get any brake fluid on the vehicle paint, because it will corrode the paint.
Battery
General warn ings about batteries
All of the ba tteries in yo ur vehicle a re pr actically
maintenance-free and are checked dur ing a ve hi­
cle inspection . Because of the complex power
supp ly, all wo rk on batter ies such as d isconnect­
ing, replacing, etc. should
only be performed by
an author ized Audi dealer or authorized Audi
Serv ice Facility
c::> .&. .
The te rm "vehicle battery" refers to the 12 Vo lt
battery in your vehicle.
Detailed warning s for the vehicle battery:
®
W ear eye p rotection .
~
Battery acid is high ly co rrosive. We ar p ro-
tective gloves and eye pro tection.
@
Fire, sparks, open flame and smok ing a re
forb idden.
~
A highly explosive mixtu re of gases can
form when charging batteries.
®
Keep c hildre n away from battery acid and
ba tteries.
8_ WARNING
-All work on the ba tte ry o r electrica l sys tem in
your vehicle can result in injuries, chemical
burns, accidents o r burns. Because of this, a ll
work m ust be perfo rmed
only by an a uthor­
ized Aud i dea le r or aut horized Audi Serv ice
Facility .
8_ WARNING
California P roposit ion 65 Warning:
- Battery posts, termina ls and re lated acces­
so ries contain lead and lead compounds,
252
chemicals known to the State of California
to cause cancer and reproductive problems.
Wash hands after handling.
(D Note
Protect the vehicle battery aga inst freezing if
the veh icle wi ll be par ke d for long periods of
time so that it is not destroyed by "free zing"
c::> page253.
Vehicle battery
The term "vehicle battery" refers to the 12 Volt
ba ttery in your vehicle.
Not running the vehicle for long periods of
time
If you do not d rive your vehicle for severa l days o r
weeks, e lectrical equ ipment is g radually sca led
back or sw itched off. Th is reduces energy use and
ensures the vehicle will be ab le to start after long
per iods of t ime
c::> page 93. Some convenience
funct ions, such as interio r light ing o r power seat
adjustment, may no t be avai lab le unde r ce rtain
c ir cu ms tances . These co nvenience func tions will
be available again once you switch t he igni tion on
and sta rt the eng ine .
E ven when elect rical eq uipmen t is switched off,
t h e eq uipme nt can still drai n the vehicle ba tte ry
if the ve hicle is not dr iven for long periods of
time . Deep drai ning results in a chem ica l reaction
that destroys the i nside of the vehicle batte ry.
The vehicle battery must be charged every month
to reduce the risk of this happening
c::> page 253.
Contact an authori zed Aud i dea ler or authori zed
Audi Service Facility for more information.
Winter operat ion
Co ld weather places higher demands on the vehi­
cle battery. Th is res ults in reduced starting abili­
ty. Have the vehicle batte ry checked by an au­
thorized Audi dea ler or authorized Audi Service
Fac ility befo re t he cold time of year .

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able to provide you with more in­
formation .
® Mud and snow capability
"M/5" or "M+S" indicates the tire
has properties making it suitable
to drive in mud or snow .
& indi­
cates a winter tire .
@Composition of the tire cord
and materials
The 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
must also specify the materials
used in the tire. These inc lude
steel, nylon, polyester and other
materials.
@ Maximum permitted load
This number indicates the max i­
mum load in kilograms and
pounds that the tire can carry.
@ Uniform tire quality grade
standards for treadwear,
traction and temperature resistance
Tread wear, traction and temper ­
ature ranges
¢ page 271.
@ Running direction
@ Maximum permitted
inflation pressure
Wheels
This numbe r ind icates the maxi­
mum pressure to which a t ire can
be in flated unde r normal operat­
ing conditions.
Glossary of tire and loading
terminology
Accessory weight
means the comb ined we ight (in
excess of those standard items
which may be replaced) of auto­
matic transmission, power steer­
ing , power brakes, power win­
dows, power seats, radio, and heater, to the extent that these
items are available as facto ry- in­
s t alled equipment (whether in ­
stalled or not) .
Aspect ratio
means the ratio of the height to
the w idth of the tire in percen t.
Numbers of 55 or lower indicate a
lo w sidewall for improved stee r­
ing response and better overa ll
handling on dry pavement.
Bead
means the part of the tire that is
made of steel wires , wrapped or .,.
257

(c) Vehicle capacity weight, and
(d) Production options weight
Maximum (permissible)
inflation pressure
means the maximum cold infla­
tion pressure to which a t ire may
be inflated. Also called "maxi­
mum inflation pressure."
Normal occupant weight
means 150 lbs (68 kg) times the
number of occupants seated in
the vehicle up to the tota l seating
capacity of your vehicle.
Occupant distribution
means distribution of occupants
in a vehicle.
Outer diameter
means the overall diameter of an
inflated new tire .
Overall width
means the linear dis tance be­
tween the exteriors of the side­
walls of an inflated tire, including
elevations due to labeling, deco ­
rations, or protective bands or
ribs.
Ply
~ means a layer of rubber-coated ...
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Wheels
Production options weight
means the combined weight of
those installed regular production
options weighing over 5 lbs (2.3 kg) in excess of those standard
items wh ich they replace, not pre­
viously considered in curb weight
or accessory weight, including
heavy duty brakes, ride levelers,
roof rack , heavy d uty ba tte ry , and
special trim .
Radial ply tire
means a pneumatic tire in which
the ply cords that extend to the
beads ar e laid at substantia lly
90
degrees to the centerline of the
tread.
Recommended inflation
pressure
see c:::> page 258, Cold tire infla­
tion pressure .
Reinforced tire
means a tire designed to operate
at higher loads and at higher in ­
fl at ion pressures than the corre­
sponding standard tire. Rein­
forced tires may be iden tified as
"X L" "x l" "EXTRA L OA D" or "RF" I 1 I
on the sidewall. ..,
259