AUDI TT ROADSTER 2016 Repair Manual

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Put the foam insert back in and tighten the
knob by turning it clockwise .
... Put the floor panel back in the luggage com­
partment.
A WARNING
Please be aware that you will be unable to
drive the vehicle in the event of a flat tyre.
Note the relevant statutory regulations be­
fore removing the spare wheel. Seats
and storage
59

Downloaded from www.Manualslib.com manuals search engine Heating
and cooling
Heating and cooling
Air conditioner
Description
The air conditioner heats, cools and dehumidifies
the air inside the vehicle. It operates most effec­
tively with the windows closed. If the vehicle has
been standing in the sun, it may cool down faster
if you open the windows briefly to let the hot air
escape.
Pollution filter
The pollution filter removes impurities, such as
dust and pollen, from the air.
Key-coded settings
Certain settings will be automatically stored and
assigned to the remote control key in use.
® For the sake of the environment
If you wish to save fuel, switch off the cooling
mode on the air conditioner by pressing the
Controls for manual air conditioner
Applies to vehicles with manual air conditioner
Fig. 65 Manual air conditioner: Controls
The rotary controls and switches are used to con­
trol the functions. The LED in the corresponding
l l
May vary in different countries
60 !AIC!
button in the rotary control@. This will
also reduce emissions.
@ Note
- Keep the air intake slots in front of the
windscreen clear of snow, ice and leaves to
ensure unimpaired heating and cooling, and
to prevent the windows misting over.
- Condensation can drip off the air cooling
system and form a pool underneath the ve­
hicle. This is normal and does not indicate a
leak.
- If you notice, for instance, that the seat* or
rear window heating is not working, it may
have been temporarily switched off by the
power management function. These sys­
tems will be available again as soon as suffi­
cient electrical power is available.
@ Note
The air conditioner contains fluorinated
greenhouse gases. Further information is pro­
vided on a sticker in the engine compart­
ment 1
>.
button lights up when the function is switched
on.

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CX) For
a comfortable climate inside the vehicle:
- In the summer, adjust the temperature to just
a few degrees below the outside temperature
- Do not turn the blower up too high
- Do not point the air outlets directly at the occu-
pants
� Adjusting the blower speed
The rotary control (D can be used to adjust the
blower speed in small steps. You should leave
the blower on at a low setting to prevent the win­
dows from misting up and to ensure that the ve­
hicle interior is constantly ventilated. To demist
the windows, we recommend that you increase
the blower speed and set control @ to�-
! A IC !
Switching air cooling* on/off
The air cooling system only works when the blow­
er is switched on. When the air cooling is switch­
ed off, the air is neither cooled nor dehumidified.
The windows may mist up as a result. The air
cooling is switched off automatically at low out­
side temperatures.
I • I • I Adjusting
the temperature
The rotary control @ can be used to adjust the
temperature in small steps.
Adjusting the air distribution
The rotary control @ can be used to adjust the
air distribution.
At the � setting, the windscreen and side win­
dows are defrosted or demisted. The air recircu­
lation is switched off, but can be switched on
again manually by pressing the� button.
The round air outlets in the dashboard can be ad­
justed ¢page 63.
To prevent the front side windows from misting
up in wet weather, it's a good idea to open the
side air outlets and point them to the side. Heating
and cooling
� Switching air recirculation on/off
In air recirculation mode, the air from the interi­
or of the vehicle is filtered and recirculated. This
setting prevents fumes etc. from entering the in­
terior. We recommend switching on the air recir­
culation mode when driving through a tunnel or
in traff ic queues ¢,&.
The air recirculation mode is switched off when
the control is in the defrost position �-
! lliil
RE
AR
!
Switching rear window heating on/
off
If the rear window heating is activated with the
ignition switched on, the battery management
determines whether or not the battery charge
level is sufficient for the rear window heating to
be switched on. Otherwise the rear window heat­
ing operates when the engine is running, and
switches off automatically after about
10 -20 minutes, depending on the outside tem­
perature.
To switch on the rear window heating perma­
nently, press and hold the !lliil REAR! button for at
least two seconds. This setting will be stored for
approximately 15 minutes after the ignition is
switched off.
A WARNING
For reasons of safety you should not leave the
air recirculation switched on for too long. This
mode prevents fresh air from entering the ve­
hicle, so the windows can mist over if the air
cooling is switched off. Bad visibility can
cause an accident.
61

Downloaded from www.Manualslib.com manuals search engine Heating
and cooling
Controls for automatic air conditioner
Applies to: vehicles with automatic air conditioner
Fig. 66 Automatic air conditioner: Controls
The rotary controls, the buttons in the rotary
controls and the switches are used to control the
functions. The functions can be switched on and
off by pressing the buttons. The LED in the corre­
sponding button lights up when the function is
switched on.
We recommend pressing the !AUTO! button and
setting the temperature to 22 °( (72 °F). The air
conditioner is fully automatic, and will maintain
the desired temperature at a constant level. The
temperature of the air supplied to the interior,
the blower speed and the air distribution are
regulated automatically. When the heater is on,
the blower normally only switches to a higher
speed once the coolant has warmed up sufficient­
ly (this does not apply to the defrost setting).
� Adjusting the blower speed
The rotary control @ can be used to adjust the
blower speed in small steps. You should leave
the blower on at a low setting to prevent the win­
dows from misting up and to ensure that the ve­
hicle interior is constantly ventilated. You can ad­
just the blower speed manually. Press the !AUTO!
button for automatic control of the blower
speed.
62 !AIC!
Switching air cooling on/off
The air cooling mode is switched on/off when the
!A IC!
button is pressed. When the air cooling is
switched off, the air is neither cooled nor dehu­
midified. The windows may mist up as a result.
The air cooling is switched off automatically at
low outside temperatures (below zero).
The rotary control @ can be used to adjust the
temperature.
I • I •I Setting the temperature
The rotary control @ can be used to adjust the
temperature in small steps.
!AUTO! Switching automatic mode on/off
The automatic mode is switched on when the
!AUTO! button is pressed. The AUTO mode is
switched off immediately when you operate any
of the manual air controls. The automatic mode
maintains a constant temperature inside the ve­
hicle. Air temperature, output and distribution
are regulated automatically.
Adjusting the air distribution
The rotary control @ can be used to adjust the
air distribution. Press the !AUTO! button for au­
tomatic air distribution.
The round air outlets in the dashboard can be ad-
justed ¢ page 63.
�

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CX) To
prevent the front side windows from misting
up in wet weather, it's a good idea to open the
side air outlets and point them to the side.
� Switching air recirculation on/off
The air recirculation mode can be switched on
manually or automatically*.
- To switch the manual air recirculation mode
on/off, press the[;] button.
- The automatic* air recirculation function must
be activated on the infotainment system. Se­
lect the following on the infotainment system:
IM ENU
I
button > Car > left control button > Ve­
hicle settings > A/C > Auto recirculation. The
air quality sensor, which is designed for the de­
tection of diesel and petrol exhaust fumes, au­
tomatically switches the air recirculation mode
on or off depending on the level of pollution in
the outside air.
In air recirculation mode, the air from the interi­
or of the vehicle is filtered and recirculated. This
setting prevents fumes etc. from entering the in­
terior. We recommend switching on the air recir­
culation mode when driving through a tunnel or
in traffic queues ¢ A.
The air recirculation mode is switched off when
the [;] or I
AUTO I
or I l!ii'
M
AX
I button is pressed.
I@ MAX!
Switching the defroster on/off
The windscreen and side windows are defrosted
or demisted as quickly as possible. Most of the
air comes out of the outlets below the wind­
screen. The air recirculation mode is deactivated.
The temperature is regulated automatically.
The defroster is switched off when the !AUTO!
button is pressed.
l[jjj) REAR!
Switching the rear window heating
on/off
If the rear window heating is activated with the
ignition switched on, the battery management
determines whether or not the battery charge
level is sufficient for the rear window heating to
be switched on. Otherwise the rear window heat­
ing operates when the engine is running, and
switches off automatically after about Heating
and cooling
10 -20 minutes, depending on the outside tem­
perature.
To switch on the rear window heating perma­
nently, press and hold the l[jjj) REA
R!
button for at
least two seconds. This setting will be stored for
approximately 15 minutes after the ignition is
switched off.
A WARNING
For reasons of safety you should not leave the
air recirculation switched on for too long. This
mode prevents fresh air from entering the ve­
hicle, so the windows can mist over if the air
cooling is switched off. Bad visibility can
cause an accident.
Adjusting air outlets
Fig. 67 Dashboard: Adjusting air outlet
To adjust the air flow direction, turn the ribbed
outer adjustment ring(!)¢ Fig. 67.
To adjust the air flow intensity, move the lev­
er @ on the air outlet. To shut off the air flow,
move the lever all the way to the left.
Seat heating
Applies to: vehicles with seat heating
Fig. 68 Air outlet: Seat heating
63

Downloaded from www.Manualslib.com manuals search engine Heating
and cooling
The seat heating has three levels. The heat level
is indicated by an LED.
... To switch on the seat heating, press the� but­
ton once .
... To reduce the level, press the� button again .
... To switch off the seat heating, press the� but-
ton repeatedly until all the LEDs have gone out.
The seat heating automatically switches from
level 3 to level 2 after about 10 minutes.
When not to switch on the seat heating
Do not switch on the seat heating in the follow­
ing situations:
- Seat is unused
- A protective cover is fitted on the seat
- A child seat is fitted on the seat
- The seat is damp or wet
A WARNING
People with limited capacity to feel pain or
sense temperature could burn themselves
when using the seat heating. These people
must not use the seat heating -risk of injury!
CD CAUTION
To avoid damaging the heating elements of
the seat heating, please do not kneel on the
seat or apply sharp pressure at a single point.
Note
- The setting for the driver's seat heating is
assigned to the key in use.
- If the passenger's seat heating was on when
you last switched off the ignition, it will be
switched on automatically only if the igni­
tion is switched on again within 10 minutes.
64 Neck
heating
Applies to: vehicles with neck heating
The neck heating works when the engine is run­
ning.
Fig. 69 Driver's seat: Air outlets for neck heating
Fig. 70 Dashboard: Neck heating
The neck heating has three levels. The neck heat­
ing is switched on when you turn the knob clock­
wise ¢ Fig. 70. The LEDs above the seat symbol
indicate the blower level. To reduce the blower
level, turn the knob anti-clockwise. To switch off
the neck heating, turn the knob anti-clockwise
until all the LEDs have gone out.
The neck heating automatically switches from
level 3 to level 2 after about 6 minutes when the
soft top is closed.
A WARNING
- People with limited capacity to feel pain or
sense temperature could burn themselves
when using the neck heating. These people
must not use the neck heating -risk of in­
jury!
- If the air outlets in the seat ¢ Fig. 69 are
covered by items of clothing or similar while
the neck heating is on, the air that emerges
immediately afterwards can be very hot.
..,

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CX) This
could cause burns to bare skin in the
immediate vicinity of the air outlets.
{!)) Note
- The blower output is always lower when the
soft top is closed than when it is open.
- The power management system
¢page 118 may reduce the temperature in
certain situations if the battery voltage is
too low.
Supplementary heater
Applies to: vehicles with diesel engine
On cold days, the interior of the vehicle warms up
more quickly with the supplementary electric
heater. The supplementary heater is switched on
automatically as required, depending on the set­
ting on the vehicle heating system.
The supplementary heater function can be
switched on or off as required. Select the follow­
ing on the infotainment system: !MENU! button>
Car > left control button > Vehicle settings > A/C
> Auto supplementary heater. Heating
and cooling
65

Downloaded from www.Manualslib.com manuals search engine Driving
Driving
General notes
Running in
A new vehicle should be run in over a distance of
1,500 km. For the first 1,000 km the engine
speed should not exceed 2/3 of the maximum
permissible engine speed -do not use full throt­
tle. From 1,000 to 1,500 km you can gradually
increase the engine rpm and road speed.
During its first few hours of running, the internal
friction in the engine is greater than later on
when all the moving parts have bedded down.
How the vehicle is driven for the first 1,500 km
also influences the engine quality. After this peri­
od you should continue driving at moderate en­
gine speeds, in particular when the engine is
cold. This helps to reduce wear and tear on the
engine and increases the potential mileage which
can be covered by the engine.
You should also avoid driving with the engine
speed too low. Change down to a lower gear
when the engine no longer runs "smoothly". Ex­
cessively high engine speeds are prevented by an
automatic rev limiter.
Letting the engine warm up/cool down
Applies to: Sand RS models
You can reduce the amount of wear and tear on
your vehicle during a sporty driving session sim­
ply by adopting a more restrained driving style
while the engine is warming up and cooling
down.
When the engine is cold, the engine speed is limi­
ted so that the full range of engine power is not
available. Once the engine has reached operating
temperature, the rev Limit moves to a higher
range of engine speeds. In addition, the tyres will
not develop their full grip potential until they
have had a chance to warm up on the road.
Even though the engine continues to be cooled
after you switch it off, it is particularly important
to give it time to cool down before parking. The
engine, brakes, exhaust system and gearbox will
66 all
reach very high temperatures when you adopt
a sporty driving style. Before you park the vehi­
cle, allow it to cool down to normal temperature
by driving at moderate engine speeds for several
miles.
Avoiding damage to the car
CD CAUTION
Take care not to damage low-mounted parts
of the car (such as the spoiler or exhaust sys­
tem) on steep ramps, uneven road surfaces or
roadside kerbs, etc. This applies especially to
vehicles with low ground clearance and to all
vehicles when fully laden.
Driving through water on roads
Please note the following in order to prevent
damage to the vehicle when driving through wa­
ter (e.g. on flooded roads):
- The water level must not be higher than the ve­
hicle's underbody.
- Do not drive faster than walking pace.
A WARNING
After driving through water, mud, sludge,
etc., the braking effect can be delayed slightly
due to moisture on the discs and brake pads.
Applying the brakes carefully several times
will remove the moisture and restore the full
braking effect.
CD CAUTION
- Parts of the vehicle (e.g. engine, gearbox,
running gear or electrical components) can
be badly damaged when driving through
water.
- Always switch off the start/stop system*
¢ page 71 before driving through water.
i Note
- It is advisable to check the depth at the
deepest point before approaching the wa­
ter.

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Do NOT stop the vehicle, drive in reverse or
switch off the engine before you are out of
the water.
- Bear in mind that waves created by oncom­
ing traffic could exceed the permissible
wading depth of your vehicle.
- Avoid driving through salt water (corrosion).
How to improve economy and minimise
pollution
Fuel economy, environmental impact and wear
on the engine, brakes and tyres depend largely
on the way you drive the vehicle. By adopting an
economical driving style and anticipating the
traffic situation ahead, you can reduce fuel con­
sumption by 10-15%. The following section gives
you some tips on lessening the impact on the en­
vironment and reducing your operating costs at
the same time.
Anticipate well in advance
A car uses most fuel when accelerating. If you an­
ticipate hazards and speed changes well in ad­
vance, you will need to brake less and thus accel­
erate less. Wherever possible, let the car slow
down gradually with a gear engaged, for in­
stance when you can see that the next traffic
lights are red.
Change gear early to save fuel
An effective way of saving fuel is to change up
quickly through the gears. Running the engine at
high rpm in the lower gears uses an unnecessary
amount of fuel. Press the accelerator slowly and
avoid using the "kick-down" feature.
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- Driving
stance, or at traffic lights with a long red phase.
The fuel saved after only 30 -40 seconds is
greater than the amount of fuel needed to re­
start 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 servicing
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
sumption 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.
Avoid short trips
The engine and emission control system need to
reach their proper working temperature in order
to minimise fuel consumption and emissions.
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.
67

Downloaded from www.Manualslib.com manuals search engine Driving
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*.
Steering Adjusting the steering wheel position
The height and reach of the steering wheel can
be adjusted as required to suit the driver.
Fig. 71 Lever on steering column
� Press the lever¢ Fig. 71 down ¢ .&, .
� Move
the steering wheel to the desired posi­
tion.
� Then push the lever towards the steering col­
umn until the catch engages.
68 A
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!
Starting and stopping
the engine
Starting the engine -
You can use the !START
ENGINE STOP!
button to
switch on the ignition and start the engine.
Fig. 72 Centre console: START ENGINE STOP button
Applies to TT RS
Fig. 73 Steering wheel: START ENGINE STOP
Switching the ignition on/off
� To switch the ignition on/off, press the
!START ENGINE STOP!
button without pressing
the clutch pedal (manual gearbox) or brake
pedal (automatic gearbox). Diesel engines are
preheated when the ignition is switched on.�