2016 AUDI TT ROADSTER Owners Manual

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CX) use
a rearward-facing child seat on the
passenger's seat.
- Applies to vehicles with key-operated
switch for deactivating the passenger's
airbag: Do NOT use a rearward-facing child
seat on the passenger's seat while the
passenger's airbag is active. If you have no
alternative but to use a rearward-facing
child seat on the passenger's seat, the
passenger's airbag must be deactivated
beforehand via the key-operated switch*
¢ page 237. Make sure that the passeng­
er's airbag is reactivated by means of the
key-operated switch* as soon as the child
seat is no longer needed on the passeng­
er's seat.
- Occupants must never carry any objects or
pets in the space between them and the air­
bags, or allow children or other passengers
to travel in this position.
- Do not cover or stick anything on the steer­
ing wheel hub or the soft plastic surface of
the airbag unit on the passenger's side of
the dashboard, and do not obstruct or modi­
fy them in any way. These parts should only
be cleaned with a dry cloth (or with a cloth
moistened with plain water). It is also im­
portant not to attach any objects such as
cup holders or telephone mountings to the
surfaces covering the airbag units.
- Any work on the airbag system or removal
and installation of the airbag components
for other repairs (such as repairs to the
steering wheel or removal of seats) must be
performed by a qualified workshop. Airbag
system
Side airbags
Description of side airbags
Applies to: vehicles with side airbags
The airbag system is not a substitute for the seat
belts.
Fig. 205 Location of side airbag in driver's seat
The side airbags are located in the backrest pad­
ding of the seats ¢Fig. 205.
In conjunction with the seat belts, the side air­
bags give the occupants additional protection for
the head and upper part of the body in the event
of a severe side collision ¢&. in Important safety
notes on the side airbag system on page 240.
In a side collision the side airbags reduce the risk
of injury to the areas of the body facing the im­
pact.
How the side airbags work
Applies to: vehicles with side airbags
When fully inflated, the side airbags reduce the
risk of injuries to the upper port of the body.
Fig. 206 Side airbag in inflated condition
In certain types of side collision, the side airbag
is triggered on the impact side of the vehicle ..,.
239

Downloaded from www.Manualslib.com manuals search engine Airbag
system
¢ Fig. 206. Further airbag systems may also be
triggered, depending on the circumstances.
When the system is triggered, the airbag is filled
with propellant gas.
In order to provide the desired extra protection in
an accident, the airbags have to inflate extremely
rapidly (within fractions of a second).
The fully deployed airbags cushion the impact for
the occupants and help to reduce the risk of in­
jury to the upper part of the body on the side fac­
ing the door.
Important safety notes on the side airbag
system
Applies to: vehicles with side airbags
There are a number of safety points concerning
the airbag system which you should remember.
This will help to reduce the risk of injury in an ac­
cident.
A WARNING
- If you do not wear a seat belt, if you lean
forward, or are not seated correctly while
the vehicle is in motion, you are at greater
risk of injury should the side airbags be trig­
gered in an accident.
- If children are not seated correctly, they are
at greater risk of injury in an accident. This
could result in serious or potentially fatal in­
jury ¢page 223, Child seats.
- It is also important not to attach any acces­
sories (such as cup holders) to the doors.
This would impair the protection offered by
the side airbags.
- The sensors for the airbags are located in
the doors. You must therefore not make any
modifications to the doors or door trim (e.g.
retrofitting loudspeakers), as this could im­
pair the function of the side airbags. Any
damage to the doors could lead to faults in
the system. Repairs or any other work on
the doors must therefore always be carried
out by a qualified workshop.
- Do not apply excessive force to the sides of
the backrests (such as hard knocks or kicks),
as this could damage parts of the system.
240 The
side airbags could then fail to operate
when required.
- If you intend to fit protective covers over
the seats, these must be of the specific type
approved for use on Audi seats with side air­
bags. Conventional seat covers would ob­
struct the side airbag when it inflates out of
the backrest, and seriously reduce the air­
bag's effectiveness.
- Any damage to the original seat upholstery
or around the seams of the side airbag units
must be repaired immediately by a qualified
workshop.
- Any work involving the side airbag system or
removal and installation of the airbag com­
ponents for other repairs (such as repairs to
the seats) must always be performed by a
qualified workshop. Otherwise the airbag
system may fail to work properly.

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CX) Checking
and topping up
fluids
Fuel Petrol grade
Applies to: vehicles with petrol engine
The correct grade of petrol is Listed inside the
fuel tank flap.
The vehicle is equipped with a catalytic converter
and must only be run on unleaded petrol. Petrol
must be sulphur-free and must comply with the
EN 228 standard. You can fuel your vehicle with
fuels containing a maximum of 10% ethanol
(ElO). The petrol grades have different octane
ratings (RON).
The following headings relate to the sticker on
the inside of your vehicle's tank flap:
Unleaded fuel only RON/ROZ 95 Super,
Premium or min. RON/ROZ 91 Normal
The use of premium petrol (95 RON) is recom­
mended. If that type of fuel is not available, reg­
ular petrol (RON 91) can be used with a slight
loss of power.
Unleaded fuel only, min. RON/ROZ 95
Super, Premium
Premium petrol (at least 95 RON) must be used.
If premium petrol is not available, the engine can
be run on regular petrol with 91 RON as an emer­
gency measure. In this case only use moderate
engine speeds and a light throttle. Fill up with
premium or Super Plus petrol as soon as possi­
ble.
Unleaded fuel only RON/ROZ 98 Super Plus
or min. RON/ROZ 95 Super, Premium
The use of Super Plus petrol (98 RON) is recom­
mended. If that type of fuel is not available, pre­
mium petrol (RON 95) can be used with a slight
loss of power.
If premium petrol is not available, the engine can
be run on regular petrol with 91 RON as an emer­
gency measure. In this case only use moderate
engine speeds and a light throttle. Fill up with Checking
and topping up fluids
premium or Super Plus petrol as soon as possi­
ble.
CD CAUTION
- Do NOT fuel your vehicle with high-ethanol
fuel blends (e.g. ESQ or E85). This will dam­
age the fuel system.
- Just one tank of leaded fuel or fuel with
metallic additives will permanently impair
the efficiency of the catalytic converter.
- You should use only petrol additives which
have been approved by Audi. Additives with
so-called octane boosters or antiknock addi­
tives can contain metallic additives that
cause significant damage to the engine and
the catalytic converter. Do not use such ad­
ditives.
- Metal-based fuels, which can be identified
from the marking on the fuel dispenser,
must not be used. LRP fuel (lead replace­
ment petrol) also contains high concentra­
tions of metallic additive. Risk of engine
damage!
- High engine speed and full throttle can
damage the engine when using petrol with
an octane rating lower than the correct
grade for the engine.
((D Note
- You can use higher octane fuel than your en­
gine requires.
- In countries where sulphur-free fuel is not
available, you may use low-sulphur fuel in­
stead.
Diesel fuel
Applies to: vehicles
with
diesel engine
Please note the information on the inside of the
fuel tank flap.
The use of sulphur-free diesel complying with
the EN 590 standard is recommended.
Diesel can thicken at very low temperatures,
which can result in problems starting the engine
or prevent the engine from running smoothly.
For this reason, filling stations in some countries
offer winter-grade diesel fuel during the cold 1)11,,
241

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and topping up fluids
months so that you can continue to operate your
vehicle reliably. Ask at your filling station wheth­
er the diesel fuel available there is suitable for
the current conditions and for the temperatures
which could potentially occur.
CD CAUTION
- Never use FAME fuels (biodiesel), petrol,
heating oil, thinners or any other fuels or
additives, as these could cause serious dam­
age to the fuel system and the engine.
- Never start the engine if you fill up with the
wrong type of fuel, as this could damage
the fuel system and the engine. Obtain pro­
fessional assistance.
Filling the tank
Procedure for filling the tank
Fig. 207 Vehicle as seen from the rear right: Opening the
fuel tank flap .,..
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Fig. 208 Vehicle as seen from the rear right: Inserting the
filler nozzle
The fuel tank flap is unlocked and Locked auto­
matically by the central Locking system.
... Press
the tank flap -arrow- ¢ Fig. 207 to open
it. Your vehicle has a new self-sealing fuel tank
without a tank cap.
242 ...
Insert the filler nozzle into the fuel filler neck
as far as the stop ¢ Fig. 208 and ensure it is
properly engaged .
... Start refuelling. When the automatic filler noz­
zle is operated correctly it will switch itself off
as soon as the tank is full. Do not try to put in
more fuel after the nozzle cuts out, as this will
fill the expansion chamber in the fuel tank.
.., When the fuel filler pump switches itself off,
wait for 5 seconds before pulling out the filler
nozzle so that any remaining fuel can flow into
the tank opening.
... Close the tank flap. Make sure you hear it click
into place.
The correct fuel grade for your vehicle is given on
a sticker on the inside of the tank flap. Further
notes on fuel ¢ page 241.
The tank capacity of your vehicle is given in the
Technical data section ¢ page 288 .
A WARNING
Fuel is highly inflammable and can cause seri­
ous burns and other injuries.
- When filling your tank or a spare fuel canis­
ter with fuel, do not smoke and keep away
from naked flames -risk of explosion!
- Observe all relevant statutory regulations
on using, storing and transporting spare
fuel canisters.
- For safety reasons we do not recommend
carrying a spare fuel canister in the vehicle.
The canister could become damaged in an
accident and Leak.
- If, in exceptional circumstances, you have to
carry a spare fuel canister, please observe
the following warnings:
- Never fill fuel into the spare fuel canister
with the canister placed in or on top of the
vehicle. An electrostatic charge could
build up during filling, causing the fuel va­
pour to ignite -risk of explosion! Always
place the canister on the ground to fill it.
- Insert the filler nozzle as far as possible
into the spare fuel canister .
- If the spare fuel canister is made of metal,
the filler nozzle must be in contact with �

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canister during filling. This helps
prevent an electrostatic charge building
up.
- Make sure you never spill fuel in the vehi­
cle or in the luggage compartment. Fuel
vapour is explosive -danger to life!
CD CAUTION
- If any fuel is spilt onto the vehicle, it should
be removed immediately as it could other­
wise damage the paintwork.
- Never run the tank completely dry. If there
is an irregular fuel supply, misfiring can oc­
cur. As a result unburnt fuel can enter the
exhaust system and cause damage to the
catalytic converter(s).
- When filling the fuel tank after having run it
completely dry on a vehicle with a diesel en­
gine the ignition must be switched on for at
least 30 seconds without starting the en­
gine. When you then start the engine it may
take longer than normal (up to one minute)
for the engine to start firing. This is because
air needs to be bled from the fuel system
while starting.
@) For the sake of the environment
Do not try to put in more fuel after the auto­
matic filler nozzle has switched off; this may
cause the fuel to overflow if it becomes warm.
@ Note
Should the fuel tank flap become frozen stuck
during inclement weather, press the middle
of the flap with the palm of the hand and try
again.
(ill) Note
- To prevent the tank from being filled with
the incorrect type of fuel, only suitable filler
nozzles can be inserted in the fuel filler on
your vehicle.
- If the filler nozzle is old, damaged or too
small, it may not be able to open the pro­
tection mechanism on the fuel tank. In this
case, try turning the filler nozzle before in­
serting it in the fuel filler neck, use a differ- Checking
and topping up fluids
ent filling pump or seek professional assis­
tance.
- The protection mechanism will not open if
you try to add fuel from a spare fuel canis­
ter. If you need to fill the tank from a spare
fuel canister, you must use the special fun­
nel stowed in the luggage compartment
¢page 243, Fig. 209.
Filling the tank using a spare fuel canister
Fig. 209 Luggage compartment: Funnel
Fig. 210 Funnel inserted in tank opening
Please refer to the important safety notes¢.&.
in Procedure for filling the tank on page 242.
""' Press the tank flap -arrow- ¢ page 242,
Fig. 207 to open it.
.., Take out the floor panel¢ page 2 70.
""' Remove the plastic base panels ¢ page 58,
Fig. 63.
.., Take the funnel out of the luggage compart­
ment. .....
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""' Insert the funnel into the fuel filler neck as far
as the stop ¢Fig. 210. The funnel should be in­
serted so far into the fuel filler neck that the
ring on the funnel is not visible.
.., Insert the filler of the spare fuel canister into
the funnel and start fuelling.
...,.
243

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and topping up fluids
... After fuelling, remove the funnel and close the
fuel tank flap so that it locks in place.
CD CAUTION
Remove any fuel spills from the paintwork im­
mediately.
Releasing the tank flap manually
The tank flap can be released manually if the
tank unlocking system should fail to operate.
Fig. 211 Luggage compartment: Cover in the right side
trim
... Open
the boot lid .
... Lift the floor panel.
... Release the ring from its holder and carefully
pull the ring ¢Fig. 211.
Emission control
systems
Catalytic converter
Applies to: vehicles with petrol engine
The vehicle must only be used with unleaded pet­
rol, otherwise the catalytic converter will be ir­
reparably damaged.
Never allow the fuel tank to run completely dry,
as the irregular supply of fuel can cause misfir­
ing. This allows unburnt fuel to enter the exhaust
system, which can cause overheating and dam­
age to the catalytic converter.
Diesel particulate filter
Applies to: vehicles with diesel engine
The diesel particulate filter can filter out almost
all soot particles contained in the exhaust gas. In
normal driving conditions the filter is self-clean-
244 ing.
Should the self-cleaning function of the filter
not be able to operate, e.g. when the vehicle is
continuously used only for short trips, the filter
becomes obstructed with soot and the symbol
C for the diesel particulate filter lights up
¢page 17.
A WARNING
The exhaust system is very hot when the vehi­
cle is being driven and after the engine has
been switched off.
- Never touch the tailpipes when they are hot
- risk of burns!
- Because of the high temperatures which can
occur in the emission control system, do not
park the vehicle where the exhaust can
come into contact with flammable materials
under the car (e.g. on grass or at the forest
edge) -risk of fire!
- Do not apply any underseal agents in the
area around the exhaust system -risk of
fire!
Engine compartment
Working on components in the engine
compartment
Extra caution is necessary when working on com­
ponents in the engine compartment.
Always be aware of the danger of injury and
scalding as well as the risk of accident or fire
when working in the engine compartment (e.g.
when checking and refilling fluids). Always ob­
serve the warnings listed below and follow all
normal safety precautions. The engine compart­
ment of any motor vehicle is a potentially haz­
ardous area ¢ A .
A WARNING
- Switch off the engine.
- Switch off the ignition.
- Apply the parking brake.
- Put the gear lever in neutral or selector in P.
- Wait for the engine to cool down.
- Keep children away from engine compart-
ment.

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Never spill fluids on a hot engine. These flu­
ids can cause a fire (e.g. radiator anti­
freeze).
- Take care not to cause short circuits in the
electrical system, especially when working
on the battery.
- When working in the engine compartment
be aware that the radiator fan may start
running suddenly, even if the ignition is
switched off -risk of injury!
- Do not unscrew the cap on the expansion
tank when the engine is hot. The cooling
system is under pressure.
- Protect face, hands and arms by covering
the cap with a large, thick rag to protect
against escaping coolant and steam.
- Never remove the engine cover panel -risk
of burns!
- If any tests have to be performed with the
engine running, there is an extra safety risk
from the rotating parts, such as the drive
belts, alternator and radiator fan, etc., and
from the high-voltage ignition system.
- Vehicles with automatic gearbox: Never
open the throttle inadvertently (for instance
by hand from the engine compartment) if a
gear is engaged while the vehicle is station­
ary with the engine running. The vehicle will
otherwise start moving immediately and
could cause an accident.
- Observe the following additional warnings if
work on the fuel system or the electrical
system is necessary:
- Do not smoke.
- Never work near naked flames.
- Always keep an approved fire extinguisher
immediately available.
- Any work on the batteries and electrical sys­
tem in your vehicle entails a risk of injury
and chemical burns in addition to danger of
accident or fire. For this reason, you must
have the work carried out by a qualified
workshop.
CD CAUTION
When topping up fluids make sure the correct
fluid is put into the correct filler opening. This Checking
and topping up fluids
can otherwise cause serious malfunctions or
engine damage.
@ For the sake of the environment
Inspect the ground underneath your vehicle
regularly so that any leaks are detected at an
early stage. If you find spots of oil or other
fluids, have your vehicle inspected in the
workshop.
i Note
On right-hand drive vehicles* some of the
containers/ reservoirs mentioned below are
located on the other side of the engine com­
partment.
Opening/closing bonnet
The bonnet is released from inside the vehicle.
Fig. 212 Detail of footwell on driver's side: Release lever
Fig. 213 Unlocked bonnet: Lever
The wiper arms should be resting on the wind­
screen: make sure they are not in a raised posi-
tion. Otherwise the paint may get damaged.
..,..
245

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and topping up fluids
Opening the bonnet
� With the driver's door open, pull the Lever un­
der the dashboard in the direction indicated
(arrow) ¢Fig. 212.
� Lift the bonnet slightly¢,&.
� Press the release Lever ¢Fig. 213 in the direc­
tion indicated (arrow). This will release the ar­
rester hooks.
� Open the bonnet.
Closing the bonnet
� To close the bonnet, pull it down to overcome
the spring pressure.
� Then Let it drop into the catches; do not press
down ¢,&.
En ine com artment la out
Main components for checking and refilling A
WARNING
- To avoid the risk of being scalded, never
open the bonnet if you see steam or coolant
escaping from the engine compartment.
Wait until no steam or coolant can be seen
before opening the bonnet.
- For safety reasons the bonnet must always
be completely closed when the vehicle is
moving. After closing it always check that it
is properly secured. It should not be possi­
ble to Lift the front edges of the bonnet.
- Should you notice that the bonnet is not
safely secured when the vehicle is moving,
stop the vehicle immediately and close the
bonnet properly, otherwise it could cause an
accident.
Fig. 214 Typical locations offluid containers and engine oil filler cap
@ Coolant expansion tank (-L) ¢ page 249
@ Engine oil dipstick ¢ page 247
@ Engine oil filler cap(�) ¢ page 247
246 @
Brake fluid reservoir (0)) ¢ page 250
® Jump-start terminals: under a cover (+);
earth point on body (-) ¢page277