AUDI TT COUPE 2014 Repair Manual

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.... Avoid
driving at high speed
Avoid travelling at top speed. Fuel consumption,
exhaust emissions and noise Levels all increase
very rapidly at higher speeds. Driving at moder­
ate speeds will help to save fuel.
Do not let the engine idle for longer than
necessary
Engine idling periods are automatically reduced
on vehicles with start/stop system*. On vehicles
without start/stop system*, it is worthwhile
switching off the engine at Level crossings, for in­
stance, or at traffic lights with a Long red phase.
The fuel saved after only 30 -40 seconds is great­
er than the amount of fuel needed to restart the
engine.
The engine takes a very Long time to warm up
when it is running at idling speed. Mechanical
wear and pollutant emissions are also especially
high during this initial warm-up phase. It is
therefore best to drive off immediately after
starting the engine. Avoid running the engine at
high speed.
Regular ser vicing
Regular servicing can establish a basis for good
fuel economy before you start driving. A well­
serviced engine gives you the benefit of im­
proved fuel efficiency as well as maximum relia­
bility and an enhanced resale value.
A poorly maintained engine can consume up to
ten percent more fuel than necessary.
Check the oil level when filling the tank. Oil con­
su mption depends to a great extent on the en­
gine load and engine speed. It is quite normal
that the oil consumption of a new engine only
reaches its lowest level after a certain mileage.
This means that the oil consumption can only be
properly assessed after about 5,000 km. Depend­
ing on your personal driving style, oil consump­
tion can be up to 0.5 Ltr./1,000 km.
Avoid short trips
The engine and emission control system need to
reach their proper working temperature in order
to minimise fuel consumption and emissions . Driving
A cold engine uses disproportionately more fuel.
The engine only reaches its working temperature
after about four kilometres, when fuel consump­
tion will return to a normal level.
Check tyre pressures
Always make sure the tyres are inflated to the
correct tyre pressures to save fuel. If the tyre
pressures are just 0.5 bar too Low, this can in­
crease the fuel consumption by as much as 5 %.
Due to the greater rolling resistance, under-infla­
tion also increases tyre wear and impairs han­
dling.
The tyre pressures should always be checked
when the tyres are cold.
Do not use winter tyres all through the year; they
will increase fuel consumption by up to 10 %.
Avoid carrying unnecessary loads
Every kilo of extra weight will increase the fuel
consumption, so it is worth checking the Luggage
compartment occasionally to make sure that no
unnecessary Loads are being transported.
Save electrical energy
The engine drives the alternator to generate elec­
tricity. This means that fuel consumption rises
when more power is required for electrical equip­
ment. Switch off electrical equipment when it is
not needed. Electrical equipment which uses a
Lot of electricity includes the blower (at a high
setting), the rear window heating and the seat
heating*.
59

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Steering Adjusting the steering wheel position
The height and reach of the steering wheel can
be adjusted as required to suit the driver.
Fig. 68 Lever on steering column
... Press the lever ¢ Fig. 68 down ¢ &_
.
... Move the steering wheel to the desired posi­
tion .
... Then push the lever towards the steering col­
umn until the catch engages.
& WARNING
- Never adjust the position of the steering
wheel when the vehicle is moving -this
could cause an accident.
- Press the lever upwards so it is secure and
so that the position of the steering wheel
cannot shift unexpectedly while the vehicle
is moving -risk of accident!
60 Starting
and stopping
the engine
Starting the engine
Applies to vehicles: with convenience key
Y ou can u
se the !START
ENGINE STOP!
button to
switch on the ignition and start the engine.
Fig. 69 Centre console: START ENGINE STOP button
Switching the ignition on/off
... To switch the ignition on/off, press the
!START ENGIN
E STOP!
button without
the clutch pedal (manual gearbox) or
pedal (automatic gearbox). Diesel engines
preheated when the ignition is switched
Starting the engine
... Manual gearbox: Press the clutch pedal all the
way down and move the gear lever into neutral.
... Vehicles with automatic gearbox: Press the
brake pedal and move the selector lever to po­
sition P or N ¢ &_
. ... Press th
e l�
S�
T_
A_R_T_ E_N�G_I _N_
E_S� T -
O �
P �I button
¢ Fig.
69. The engine should start .
... Diesel engines can take a few seconds longer
than usual to start on cold days. Please keep
your foot on the clutch pedal (manual gearbox)
or brake pedal (automatic gearbox) until the
engine starts. The indicator lamp El lights up
while the glow plugs are preheating.
If the engine fails to start immediately, the start­
er will be switched off automatically after a few
seconds. Try to start the engine again.
Start/stop system
Please note the information on ¢ page 63,
Start/stop system.

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WARNING
- Never run the engine in confined spaces.
The exhaust gases are toxic -risk of poison­
ing!
- Never switch off the engine until the vehicle
is stationary.
- The brake servo and the power steering sys­
tem work only when the engine is running.
You need more strength to steer and brake
the vehicle when the engine is switched off.
This would mean a greater risk of accidents
and serious injury, because you cannot steer
and brake in the normal manner.
Avoid high engine speeds, full throttle and ex­
treme load conditions until the engine has
reached its normal operating temperature;
otherwise this can damage the engine.
{:!)) Note
- When starting from cold the engine may be
a little noisy for the first few seconds until
oil pressure has built up in the hydraulic
tappets. This is quite normal and no cause
for concern.
- If you leave the vehicle with the ignition
switched on, it will be switched off auto­
matically after a while. Please note that
electrical equipment such as the exterior
lighting will also be switched off.
Switching off the engine
Applies to vehicles: with convenience key
• Stop the vehicle .
• Press the rel
s=
Tc-c
A -,c
R=
T,,..
E=
N�G =
I c-c
N -=
E ,....,
S=
T=
o=-c
P�I button
¢ page 60, Fig. 69.
Steering lockl
)
The steering will be locked if you switch off the
engine with the !STA
R
T E NGI N
E STOP!
button ,
move the selector lever to position P (on vehicles
with automatic gearbox*) and open the driv er's
door.
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This function is not available on all export versions. Driving
The steering will be locked if you switch off the
engine with the !S
T
A RT
ENGINE ST
O P
!
button
and open the driver's door. The steering lock acts
as a theft deterrent.
Emergency Off function
If necessary in an emergency, the engine can be
switched off while the vehicle is still moving.
Press the !STA
RT
ENGI
NE
STOP!
button twice in
quick succession or hold it in for longer than two
seconds.
A WARNING
- Never switch off the engine until the vehicle
is stationary . Otherwise you may not have
the full benefit of the brake servo and power
steering. You may need more strength to
steer and brake the vehicle than you nor­
mally would. This would mean a greater risk
of accidents and serious injury, because you
cannot steer and brake in the normal man­
ner.
-Always take the key with you when you leave
the vehicle. Otherwise the engine can be
started or power-operated equipment such
as the electric windows can be used. This
could result in serious injury.
CD CAUTION
If the engine has been working hard for a long
time, there is a risk of heat building up in the
engine compartment after the engine has
been switched off; this could cause engine
damage. For this reason, you should leave the
engine idling for about 2 minutes before
switching it off.
(1'> Note
After the engine is stopped the radiator fan
may run on for up to 10 minutes, even if the
ignition is switched off. The fan may also start
running again after some time if the coolant
temperature rises due to a build-up of heat,
llll-
61

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or if the engine is hot and the engine com­
par tment is heated up further by direct
sunlight.
Driver messages
Switch off ignition before leaving car. Battery is
being discharged
This message appears and the buzzer sounds if
you open the driver's door while the ignition is
switched on. Switch off the ignition to prevent
the battery from being discharged.
Pressing start/stop button again will switch off
engine.
This message appears if you press the
!START ENGINE STOP!
button while the vehicle is
moving.
Engine start system: fault. Please contact work­
shop
A fault has occurred when starting the engine au­
tomatically (automatic start function). Drive to a
qualified workshop soon and have the fault recti­
fied. Press
and hold
the !S
TA RT
ENGINE STOP I
button to start the engine.
II Remote control key: hold back of key
against marked area. See owner's manual
This message appears if there is no convenience
key inside the vehicle or if the system cannot de­
tect or identify the key. This can happen, for ex­
ample, if the radio signal from the key is obstruc­
ted by a metal briefcase or similar, or if the key
battery is weak. Electronic equipment, such as
mobile phones, can also interfere with the radio
signal from the key.
If you encounter any problems starting or stop­
ping the engine, please refer to "What to do if
the "START ENGINE STOP" button is inoperation­
al" ¢page 63.
Ill Remote control key: key not recognis ed. Is
key still in vehicle?
If the indicator lamp Ill Lights up and the mes­
sage appears, the convenience key was removed
from the vehicle while the engine was running. If
the convenience key is not in the vehicle you will
62 not
be able to switch on the ignition or restart
the engine after it has been switched off. You will
also not be able to lock the vehicle from the out­
side.
Please press brake pedal
This message appears on vehicles with an auto­
matic gearbox if you try to start the engine with­
out first pressing the brake pedal.
Please press clutch pedal
This message appears on vehicles with a manual
gearbox if you try to start the engine without
first pressing the clutch pedal. The engine will
only start if you press the clutch pedal.
Please engage N or P
This message will appear if you try to start or
switch off the engine when the selector lever is
not in Nor P. The engine can then not be started
or switched off.
Shift to P, otherwise vehicle can roll away.
Doors do not lock if lever is not in P
For safety reasons, this message will appear and
a warning buzzer will sound if the selector lever
of the automatic gearbox is not in position P
when you switch off the ignition with the
!START ENGINE STOP!
button. Put the selector
lever in position P; otherwise the vehicle can roll
away. If the lever is not in position P you will not
be able to Lock the vehicle using the locking sen­
sor on the door handle or the convenience key.

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.... Starting
the engine after a malfunction
If the remote control key battery is exhausted or
if radio interference or a system malfunction oc­
curs, extra steps may be necessary in order to
start the engine.
Fig. 70 Steering column/rem ote control key: Starting the
engine after a malfunction
Starting the engine manually
If the message y>>) Remote control key: hold back
of key against marked area. See owner's manual
is displayed, you can still start the engine man­
ually.
.,.. Manual gearbox: Press the clutch pedal.
.,.. Automatic gearbox:
Press the brake pedal¢.&
in Starting the engine on page 61 .
... Press the !
START ENGINE
STOP!
button.
.,.. Hold the remote control key against the symbol
y>>) ¢ Fig. 70, as shown in the illustration. The
engine should start .
.,.. If the engine does not start automatically,
press the !START
ENGINE
STOP!
button again.
Drive to a qualified workshop soon and have the
fault rectified.
{D Note
You can call up the driver message again by pressing
the !START
ENG
INE
STOP! button.
Start/stop system
Description
Applies to vehicles: with start/stop system
The start/stop system can help to save fuel and
reduce CO2 emissions. Driving
In start/stop mode, the engine is switched off
automatically when the vehicle stops, e.g. at traf­
fic lights. The ignition remains on during this
stop phase. The engine is automatically started
on demand.
The start/stop system is automatically activated
each time you switch on the ignition.
Basic conditions for start/stop mode
- The driver's door must be closed.
- The driver's seat belt must be buckled.
- The bonnet must be closed.
- The vehicle must have been moving at over
4 km/h since the last stop .
.&, WARNING
- Never switch off the engine until the vehicle
is stationary . Otherwise you may not have
the full benefit of the brake servo and power
steering. You may need more strength to
steer and brake the vehicle than you nor­
mally would. This would mean a greater risk
of accidents and serious injury, because you
cannot steer and brake in the normal man­
ner.
-Always take the key with you when leaving
the vehicle -even if you only intend to be
gone for a short time. This is especially im­
portant if children are left in the car. They
might otherwise be able to start the engine
or use power-operated equipment such as
the electric windows -this could lead to in­
juries.
- To avoid injury, make sure that the start/
stop system is switched off before working
in the engine compartment ¢ page 65.
CD CAUTION
Always switch off the start/stop system
¢page 65 before driving through water.
63

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Switching off/ starting the engine
Applies to vehicles: with start/stop system
Fig. 71 Instrument cluster: Engine switched off (stop
phase)
Vehicles with manual gearbox
.. When the vehicle stops, put the gear lever in
neutral and take your foot off the clutch pedal.
The engine will switch off. The indicator lamp
• will appear on the infotainment display.
.. The engine will start again automatically when
you press the clutch pedal. The indicator lamp
will go out.
Vehicles with automatic gearbox
.. Stop the vehicle and keep your foot on the
brake pedal. The engine will switch off. The in­
dicator lamp. will appear on the displa y.
.. The
engine will start again automatically when
you take your foot off the brake pedal. If the
hold assist* is switched on, the engine will not
start until the accelerator is pressed. The indi­
cator lamp. will go out.
Further information for automatic gearboxes
The engine is switched off when the selector lev­
er is in position P, D, Nor Sor in manual mode. If
the selector lever is in position P, the engine will
remain off even if you take your foot off the
brake. The engine will not start again until you
press the accelerator or select another gear and
take your foot off the brake.
The engine will start again if you move the selec­
tor lever to R during a stop phase.
If you do not want the engine to start, move the
selector lever quickly from D through R to P.
64 @
Note
- You can control whether or not the engine is
switched off by varying the amount of pres­
sure on the brake pedal. For instance, if you
brake gently in stop-and-go traffic or before
turning off at a junction, the engine will re­
main on while the vehicle is at a standstill.
As soon as you press the brake pedal harder,
the engine will be switched off.
- On vehicles with manual gearbox, you
should keep your foot on the brake during a
stop phase to prevent the vehicle from mov­
ing.
- If you press the !START
ENGINE STOP!
but­
ton during a stop phase, the ignition will be
switched off.
-If the engine stalls on a vehicle with manual
gearbox, you can start it again directly by
pressing the clutch pedal immediately .
- When you stop and the start/stop system
turns off the engine, the ignition remains
on. Before leaving the vehicle, ensure that
the ignition is switched off; otherwise the
batte ry will be drained .
, General notes
The on-board control system can override the
start/stop function for various reasons.
Fig. 72 Instrument cluster: Engine stop temporarily un­
available
Engine does not switch off
Before each stop phase, the system checks that
certain conditions have been met. The engine will
not switch off in the following situations, for ex-
ample. ..,.

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The engine has not yet reached the minimum
temperature required for start/stop mode.
- The interior temperature selected on the air
conditioner has not yet been reached.
- The exterior temperature is very high/Low.
- The windscreen is being defrosted ®.
- The parking aid* or park assist* is switched on.
- The battery charge is too Low.
- The steering wheel is close to full Lock or the
vehicle is being steered.
- Reverse gear has just been selected.
- The vehicle is on a steep gradient.
rj,J will
appear in the infotainment display to in­
dicate this status.
Engine cuts in again automatically
The stop phase is interrupted in the following sit­
uations, for example. The engine cuts in auto­
matically without intervention from the driver.
-The vehicle starts to roll (e.g. on a hill).
- The interior temperature deviates from the air
conditioner setting.
- The windscreen is being defrosted ®.
- The brake pedal is pressed several times in suc-
cession.
- The battery charge drops to an insufficient Lev-
el.
- The power consumption is high.
Ignition is switched off automatically
To prevent the battery from being discharged,
the ignition will be switched off automatically if
certain conditions are met. For instance:
- The vehicle has already been driven.
- The start/stop system has switched off the en-
gine.
- The driver's door is opened.
- The driver's seat belt is unbuckled.
- The brake pedal is not pressed.
- The vehicle is stationary.
If the dipped beam headlights are on when this
happens, the side Lights will be turned on instead
and the message Side lights will be automatical­
ly switched off in 30 minutes. See owner's man­
ual will appear on the infotainment display. After Driving
approx. 30 minutes, or when you Lock the vehicle,
the side Lights will be switched off.
If the start/stop system has not stopped the en­
gine or if you have switched off the start/stop
system manually, the engine will continue run­
ning and the ignition will not be switched off au­
tomatically¢,&..
A WARNING
Never run the engine in confined spaces. The
exhaust gases are toxic -risk of poisoning!
(Q) Note
If you select D, N or S (on vehicles with auto­
matic gearbox) after selecting reverse gear,
the car must have been moving at over
10 km/h before the system can switch off the
engine again.
Switching the start/stop system off and on
manually
Applies to vehicles: with start/stop system
You can switch the system off manually if you
don't want to use it.
Fig. 73 Centre console: Switch for start/stop system
� To switch the start/stop system off or on man­
ually, press the l(il.)"'
I button. The LED in the but­
ton will Light up when the system is switched
off.
(1)) Note
If you switch off the system during a stop
phase, the engine will start again automati­
cally.
65

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Driver messages in the instrument cluster
display
Automatic start/stop deactivated: please
restart engine manually
This message appears if certain conditions have
not been met during the stop phase and the
start/stop system cannot start the engine again
aut omatically. The !START
ENGINE STOP!
button
must be used to start the engine.
Start/stop system: fault. Function
unavailable. Please contact workshop
There is a malfunction in the start/stop system.
Drive to a workshop soon and have the fault recti­
fied.
Electro-mechanical
parking brake
Operation
The electro-mechanical parking brake replaces
the handbrake.
Fig. 74 Centre console: Parking brake
� To apply the parking brake, pull the switch
� Fig. 74. The warning Lamps.
in the button
and in the infotainment display will light up.
� To release the parking brake, press the brake or
accelerator pedal with the ignition switched on
and simultaneously press the switch. The warn­
ing Lamps .
in the switch and on the display
will go out.
Your vehicle is equipped with an electro-mechani­
cal parking brake. The parking brake replaces the
conventional handbrake, and is mainly intended
to prevent the vehicle from rolling away acciden­
tally.
66 However,
the electro-mechanical parking brake
also offers a number of convenience and safety
features in addition to the functions of a normal
handbrake.
When driving away
- The parking brake auto release function relea­
ses the parking brake automatically when you
wish to start moving ¢ page 67, Driving away
from a standstill.
- When
driving away on a gradient, the parking
brake auto release function prevents the vehicle
from rolling back unintentionally. The braking
force of the parking brake is only released when
there is enough power at the wheels to make
the vehicle move in the desired direction.
Emergency braking function
An emergency braking function enables you to
stop the vehicle even if the conventional foot
brake should fail to work ¢ page 68, Emergen­
cy braking function.
Warning lamps - The warning Lamps.
on the display and in the
switch Light up when the parking brake is ap­
plied with the ignition switched on.
- The warning Lamps.
on the display and in the
switch Light up for approximately 20 seconds
when the parking brake is applied with the igni­
tion switched off.
_& WARNING
- The accelerator pedal must on no account
be pressed inadvertently when a gear is en­
gaged and the engine is running with the ve­
hicle stationary. The vehicle could otherwise
start moving immediately and possibly
cause an accident.
- It is not possible to apply the parking brake
if the electrical power supply fails. In this
case, park the vehicle on a Level surface and
select 1st gear (manual gearbox) or move
the selector Lever to position P (automatic
gearbox) to prevent it from rolling. Obtain
professional assistance.

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Note
- The parking brake can be applied at any
time -even when the ignition is switched
off. However, the ignition must be switched
on and the brake pedal pressed before the
parking brake can be released.
- The parking brake is applied automatically if
the driver's door is opened while the igni­
tion is on. This is to prevent the vehicle from
accidentally rolling away.
-Any slight noise which may be heard when
the parking brake is applied or released is
quite normal and no cause for concern.
- The parking brake runs an automatic test cy­
cle at regular intervals when the vehicle is
parked. This may cause a slight noise, which
is normal.
- If the warning lamp. appears, there may
be a parking brake malfunction ¢ page 11.
- If the electrical power supply fails, it is not
possible to release the parking brake (if it
was applied) or to apply the parking brake
(if it was released) ¢ .&.. Obtain professional
assistance.
Parking the car
.,. Press the brake pedal to bring the vehicle to a
stop.
.,. To apply the parking brake, pull the switch
¢ page 66, Fig. 74.
.,. Vehicles with automatic gearbox: Move these-
lector lever to position P.
.,. Switch off the engine ¢_&. .
.,. Manual gearbox: Engage first gear.
.,. When parking on a hill or gradient, turn the
steering wheel so that the vehicle would roll in­
to the kerb if it did start to move accidentally.
A WARNING
- Always take the key with you when leaving
your vehicle -even if you only intend to be
gone for a short time. This is especially im­
portant if children are left in the car. They
might otherwise be able to start the engine,
release the parking brake or use power-op- Driving
erated equipment such as the electric win­
dows -this could lead to injuries.
- Do not leave anyone (especially children) in
the vehicle when it is locked. Locked doors
could delay assistance in an emergency, po­
tentially putting lives at risk.
Driving away from a standstill
The parking brake auto release function releases
the parking brake automatically when you wish
to start moving.
Applying the parking brake when stopping
.,. To apply the parking brake, pull the switch
¢page 66, Fig. 74.
Releasing the parking brake when driving
away
Important: The driver's door must be closed and
the driver's seat belt must be buckled.
.,. Press the accelerator in the normal way: the
parking brake will be released automatically
and the vehicle will start moving.
You can apply the parking brake when stopping at
traffic lights, etc. You do not then have to hold
the car with the brake pedal, as the parking brake
will stop it creeping forward while a gear is en­
gaged in the automatic transmission. When you
drive off in the normal way, the parking brake will
be released automatically and the vehicle will
start moving.
Driving away on a slope
When driving away on a gradient, the parking
brake auto release function prevents the vehicle
from rolling back unintentionally. The braking
force of the parking brake is only released when
there is enough power at the wheels to make the
vehicle move in the desired direction.
@ Note
For safety reasons the parking brake will only
release automatically if the driver's seat belt
is engaged in its buckle and the driver's door
is closed .
67

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Emergency braking function
This feature enables you to stop the vehicle if the
main brake system should fail or if the pedal is
obstructed.
� To stop the vehicle with the parking brake in an
emergency, pull and hold the parking brake
switch q page 66, Fig. 74.
� The brakes will be released immediately if you
release the switch or press down the accelera­
tor.
If you pull out and hold the parking brake switch
at a road speed above about 3 km/h, this will ini­
tiate an emergency brake application. The brakes
are then applied hydraulically at all four wheels.
The effect is similar to heavy braking q .&. .
To prevent the emergency braking function from
being used accidentally, a warning buzzer sounds
when the switch is operated. The brakes are re­
leased immediately when you release the switch
or press down the accelerator.
A WARNING
You should only use the emergency braking
function in a real emergency, for example if
the brake system were to fail or if the brake
pedal were to be obstructed. If you use the
emergency braking function by activating the
parking brake switch, this has the same effect
as heavy braking. Please remember that the
ESC (and the integrated ABS, EDL and traction
control functions) is still subject to certain
physical limits. In a corner or in bad road or
weather conditions an emergency stop can
cause the vehicle to skid or lose steering con­
trol.
68 Hold
assist
Applies to vehicles: with hold assist
Fig. 75 Section of centre console: Button for hold assist
The hold assist helps the driver if the vehicle is
stationary for a long period or very often, for in­
stance at traffic lights, on steep gradients or in
stop-and-go traffic.
Switching on the hold assist
Important: The driver's door must be closed, the
driver's seat belt buckled and the engine running.
� Press the button q Fig. 75 in the centre console
to switch on the hold assist function. The LED
in the button will light up.
Stopping with the hold assist
� Once it detects that the vehicle has stopped,
the hold assist keeps the vehicle stationary. You
can now take your foot off the brake pedal.
� Drive off in the normal way: the brake will be
released automatically and the vehicle will start
moving.
Switching off the hold assist
� Press the button to switch off the hold assist
function. The LED in the button will go out.
In certain situations, the hold assist transfers the
job of holding the vehicle to the parking brake. As
soon as the parking brake is holding the vehicle
still, the warning Lamp. appears in the instru­
ment cluster.
A WARNING
The intelligent technology in the hold assist
function cannot defy the Laws of physics. Do
not let the extra convenience afforded by the