2018 AUDI TT ROADSTER service indicator

Cl 00 .-< N r-­N .-< 0 r-­Vl 00
-The efficiency of the brakes can also be im­
paired by driving for long stretches on roads
covered with salt without using the brakes .
You can remove salt deposits from the
brake rotors and pads by carefully applying
the brakes severa l t imes .
- If the front spoiler is damaged or you install
another spoiler, make sure the front wheel
brakes are vent ilated proper ly . Otherwise,
the b rake system could overheat, w hich re­
duces the ir effectiveness.
- Failure of a brake c ircuit impa irs b raking
perfo rman ce , which increases brak ing dis ­
tan ce. Avoid d riving the vehicle and have it
towed it to the nearest authorized Audi
dealer or authorized Audi Service Facility .
- Never let the vehicle roll while t he engine is
stopped because this increases the risk of an
accident.
- If the brake booster is not working, you will
have to press much harder on the brake
peda l to compensate for the lack of the
booster.
@ Note
- Never let the brakes "rub" by pressing the
pedal light ly when braking is not actually
necessary. This causes the brakes to over­
heat and increases braking d istance and
causes wear.
- Before driving downhi ll a long distance on a
steep h ill, decrease your speed and select a
lower gear. This makes use of the engine
braking effect and relieves the brakes . If
you need to brake additionally, brake in in­
tervals and not conti nuous ly .
0) Tips
- If the brake booster is not working, you
must press the brake pedal with much more
fo rce t han normal.
- If you retrofit your vehicle with a front spoil­
er, whee l covers o r similar items, make sure
t h at the a ir flow to the front whee ls is not
i nte rru pted. Ot herw ise the brake system
ca n become too ho t.
In tellig ent T echn olo gy
Electromechanical
steering
The electromechanical steering supports the
driver 's steering movements .
Power steering adap ts elec troni cally based on
the vehicle speed .
Indicator li ghts and me ssages
• Stee ring: m alfun ction! Ple ase stop vehicle
If this indica to r li ght tur ns on and stays on and
this message appears, the powe r steering may
have failed.
Stop the veh icle in a safe location as soon as pos­
s ible. Do
n o t cont inue d riving. See an autho rized
Audi dealer or authorized A udi Service Facility for
assistance .
(;r,ij Ste ering : malfun cti on! You may con tinu e
dri vin g
If the indicator l ight turns on, the steering wheel
may be more d ifficult to move or more sensit ive
t h an usual. The steer ing whee l may also be at an
angle when d riving stra ight.
Drive slowly to an authorized Aud i dealer or au­
thorized Aud i Serv ice Facility to have the mal­
funct ion corrected.
(D Tips
If the . or (;r,ij ind icator light only stays on
fo r a short t ime, yo u may continue d riving.
All wheel drive (quattro)
In all wheel drive, all four wheels are powered.
Gener al informat ion
In all wheel dr ive, the dr iving power is divided be­
tween all four wheels . This happens automatical ­
ly depending on your dr iv ing behavior as well as
t h e cur rent road condit ions. A lso
see ~ page 86,
Electronic stabilization control (ESC).
The all wheel 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 racter istics
bot h unde r normal d riving conditions and o n
89

Intelligent Technology
snow and ice. Always read and follow safety pre­
cautions
¢ .&. .
Winter tires
By using all wheel drive, your vehicle has good
forward motion with standard tires in winter con­
ditions. However, in winter we recommend using
winter or all season tires on
all four wheels, be­
cause this will improve the
broking effect.
Snow chains
If there are snow chain laws, snow chains must
also be used on vehicles with all wheel drive
c::> page 259, Snow chains.
Replacing tires
For vehicles with all wheel drive, only wheels with
the same rolling circumference should be used .
Avoid using tires with different tread depths
c::> page 251, New tires or wheels.
Offroad vehicle?
Your Aud i is not an offroad vehicle - there is not
enough ground clearance. For this reason, avoid
difficult terrain.
,& WARNING
- Also, in vehicles with all wheel drive, adapt
your driv ing style to the current road and
t ra ffic conditions. Do not let the increased
safety provided tempt you into taking risks,
because this increases the r isk of an acci­
dent.
- The braking ability of your vehicle is limited
to the traction of the wheels. In this way, it
is not different from a two wheel drive vehi­
cle. Do not be tempted to accelerate to a
high speed when the road is slippery, be­
cause this increases the risk of an accident.
- Note that on wet streets, the front wheels
can "hydroplane" if driving at speeds that
are too high. Unlike front whee l drive
vehicles, the engine does not rev higher sud­
denly when the vehicle begins hydroplaning.
For this reason, adapt your speed to the
road conditions to reduce the risk of an acci­
dent.
90
Rear spoiler
Applies to: vehicles with retractable rear spoile r
The extendoble rear spoiler increases driving sta­
bility.
Fig. 95 Center conso le: button for the rear spoiler
The rear spoiler retracts and extends. It can be
activated in various operat ing modes (manua l
mode or automatic mode).
Automatic mode (normal operation)
- Automatic extension: the rear spoiler w ill auto­
matically extend when speeds exceed approxi­
mately 75 mph (120 km/h)
- Automatic retraction: the rear spoiler w ill auto­
matically retract when speeds decrease to un­
der approximately 50 mph (80 km/h).
Manual mode
- Extend ing manually : briefly tap the
c::> fig. 95
button to fully extend the rear spoiler .
- Retracting manually: when driving at speeds
below approximately 10 mph (20 km/h), press
and hold the b utton to retract the rear spoiler.
When at speeds between 10 mph (20 km/h)
and 75 mph (120 km/h), the rear spoiler will
completely retract when you tap the button.
Indicator lights
I), . Rear spoiler: malfunction! Please con­
tact Service
The rear spoiler may not have extended due to a
malfunction . This could change the vehicle's driv­
ing characteristics at high speeds . Do not drive
faster than 85 mph (140 km/h) . Drive to an au-
thorized Audi dea ler or authorized Audi Service
..,.

Cl co .... N ,....
N .... 0 ,....
Vl co
Emissions control
systems
Catal ytic conve rt er
The vehicle may on ly be driven with unleaded
gasoline, otherwise the catalyt ic converter will be
destroyed.
Never drive until the tank is completely empty.
The irregular supply of f uel that results from that
can cause engine m isfires. Uncombusted fuel will
enter the exhaust system, wh ich can cause over­
heat ing and damage to the catalyt ic converter .
A WARNING
The temperature of the exhaust system is
high, both when d riving and after stopping
the engine.
-
- Never touch the exhaust tail pipes once they
have become ho t. This could result in bu rns.
- Do not park your vehicle ove r flammable
materials such as g rass or leaves because
the high temperat ure of the em iss ions con­
trol system co uld s tart a fire.
- Do not apply underbody p rotectant in the
exha ust system area, because this inc reases
the risk of fi re.
On Board Diagnostic
System (OBD)
The On -Board Diagnostic System monitors the
engine and transmission components that influ­
ence emissions.
F ig . 177 Footwell on left side of the vehicle : connect ion
port for the On-Board Diagnostic System (OBD)
Chec king and Filling
On -Board Diagnostic System
Engine da ta can be read out at the On-Board Di­
agnost ic System connection port using a spec ia l
testing
dev ice~ fig. 177 .
Indicator light
If thP ¢'4 ind icator light blinks or turns on, there
is a ma lf u nction that is caus ing poo r emissions
quality and that cou ld damage the catalytic con­
verter .
Drive slowly to an a uthorized Aud i dea ler or au­
t h orized Audi Serv ice Facili ty to have t he mal­
f unct ion corrected.
A WARNING ..
Incorrect use of the connection port for the
On-Board D iagnostic System can cause ma l­
f u nctions, which can then result in accidents
and serious injuries.
- Only allow an authorized Audi dea ler or au­
thor ized Audi Service Fac ility to read out the
engine data.
Engine compartment
Working in the engine compartment
Special care is required if you are working in the
engine compartment
-
F o r work in the engine compa rtment such as
checking and fill ing fl uids , there i s a risk of in­
jury , scalding, accident s, and b urn s. For thi s
re ason , follow all the warnings and general
safety pre cautions prov ided in the following
in ­
formati on. The engine compartm ent i s a dan­
gerou s area .
~ .&..
A WARNING
-----Turn the engine off.
- Sw itch the igni tio n off.
- Set the parking brake.
- P lace the se lector lever in the P position.
-Let the eng ine 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
233

Cl 00 .-< N r-­N .-< 0 r-­Vl 00
authorized Audi Service Facility for more in­
formation.
- Do not connect or disconnect the charging
cable while charging because this increases
the risk of an exp losion.
(D Tips
- Only charge the vehicle battery through the
connections in the engine compartment.
- Read all of the manufacturer's instructions
for the charger before charging the vehicle
battery.
Windshield washer system
Fig. 186 Engine compa rtment: washer flu id reservo ir cap
The windshield washer reservoir W contains the
cleaning solution for the windshie ld and the
headlight washer
system* ¢ page 236, fig . 180.
The reservoir capacity can be found in
¢page 288.
To reduce the risk of lime sca le deposits on the
spray nozzles, use clean water with low amounts
of calc ium. A lways add window cleaner to the wa­
ter. When the outs ide temperatures are cold, an
anti -freezing agent should be added to the water
so that it does not freeze.
@ Note
-The concentration of anti-freezing agent
must be adjusted to the vehicle operating
cond itions in the respective climate. A con­
ce ntrat ion that is too high can lead to vehi­
cl e damage.
- Never add radiator anti-freeze or other addi­
tives to the washer fluid.
Checking and Filling
- Do not use a glass cleaner that contains
paint so lvents, because t his could damage
the paint.
Service interval display
The service interval display detects when your ve ­
hicle is due for service .
The service interval display works in two stages:
-Inspection or oil change reminder : after a cer-
tain distance driven, a message appears in the
In fotainment system display each time the ig ­
nition is switched on or off. The remaining dis­
tance or time is disp layed briefly.
- Inspection or oil change due: if your vehicle
has reached an inspection or oil change interval
or both intervals at the same t ime, the mes­
sage
Inspection due! or Oil change due! or Oil
change and inspection due!
appears briefly af ­
ter switching the ignition on/off .
Checking service intervals
You can check the remaining distance or time un ­
t il the next oil change or next inspection. Se lect
in the Infotainment system: the
I MENU I button>
Vehicle > left control button > Service & checks >
Service intervals .
Resetting the indicator
An authorized Audi dea ler or authorized Audi
Service Facility w ill reset the service interval dis­
play after performing service.
If you have ch anged the oi l yourse lf, you must re ­
set the oil change interval.
T o reset the disp lay, select in the Infotainment
system: the
I MENUI button> Vehicle> left con­
trol button >
Service & checks > Service intervals
> Reset oil change interval.
@ Note
-Only reset the oil change indicator if the oi l
was changed.
- Following the service intervals is crit ica l to
maintaining the service life and value of
your vehicle, especially the engi ne. Even if
the mileage on the vehicle is low, do not ex­
ceed the time for the next service.
243

0 a, .... N
Tire wear/damage
Fig. 188 Tire profile: treadwear indica­
tor
Tire wear
Check the tires regular ly for wear.
-Inflation pressure that is too low
or high can increase tire wear
considerably.
-Driving quickly through curves, rapid acceleration and heavy
braking increase tire wear.
-Have an authorized Audi dea ler
or authorized Audi Service Facili­
ty check the wheel alignment if
there is unusual wear.
-Have the wheels rebalanced if an imbalance is causing noticeable
vibration in the steering wheel.
If you do not, the tire s and other
vehicle components could wear more quickly.
~ l) Obey any applicable regulations in your 0
[;:; country. 00
Wheels
Treadwear indicator
Original equipment tires contain
treadwear indicators in the tread
pattern, which are bars that are 1/16 in (1.6 mm) high and are
spaced evenly around the tire per­ pendicular to the running direc­
tion
c:> fig. 188. The letters "TWI"
or triangles on the tire sidewall indicate the location of the tread­
wear indicators.
The tires have reached the mini ­
mum tread depth
l) when they
have worn down to the treadwear
indicators. Replace the tires with
new ones
c:> ..1,,. .
Tire rotation
Rotating the tires regularly is rec­
ommended to ensure the tires
wear evenly. To rotate the tires, install the tires from the rear axle
on the front axle and vice versa.
This w ill allow the tires to have
approximately the same length of
service life.
..,.
253

Wheels
store the pressure again in the Infotainment sys­
tem
i::> page 262 .
mm (Tir e Pr essure Monitoring System) Tire
pressure: malfunction! See owner's manual -
if
mm appears after switching on the ignition or
while driving and then the
[DJ indicator light in
the instrument cluster also starts to blink for
about one minute and then stays on permanen t­
ly, there is a system malfunction. Try to store the
correct tire pressures
<=:> page 262 . If the indica­
tor light does turn off or turns on again after a
short period of time, drive to an authorized Audi
dealer or authorized Aud i Serv ice Facility immedi­
ately to have the malfunction corrected .
_& WARNING
-If the tire pressure indicator appears in the
display, reduce your speed immediately and
avoid any hard steering or braking maneu­
vers. Stop as soon as possible and check the
tires and their pressure.
- The driver is responsible for maintaining the
correct tire pressures. You must check the
tire pressures regularly.
-Under certain conditions (such as a sporty
driving style, winter conditions or unpaved
roads), the pressure monitor indicator may
be delayed .
- Do not use run-flat tires on your vehicle. Us­
ing them when not permitted can lead to
vehicle damage or accidents .
(D Tips
- The tire pressure monitoring system can al­
so stop working when there is an ESC mal­
function.
- Using snow chains may result in a system
malfunction.
- The tires with the identification
"AO"
¢page 251 have been matched with your
Audi tire pressure monitoring system . Using
these tires is recommended.
262
Storing tire pressures
Applies to: vehicles with Tire P ressure Monitoring System in­
dicator
If the t ire pr essure chang es or a tire is replaced ,
it must be confirmed in the Infotainment sys­
tem.
.,. Make sure before storing that the tire pressures
of all four tires meet the specified values and
a re adapted to the load
<=:>page 253.
.,. Switch the ignition on.
.,. Select in the Infotainment system : the!M ENUI
button > Vehicle > left control button > Service
& checks> Tire pressure monitoring .
(D Tips
Do not store the tire pressures if snow chains
are installed .
Tire pressure monitoring
system
ill General notes
Each tire, including the spare (if provided),
should be checked monthly when cold and inflat­
ed to the inflation pressure recommended by the
vehicle manufacturer on the vehicle placard or
tire inflation pressure label. (If your vehicle has
tires of a different size than the size indicated on
the vehicle placard or tir e inflation pr essure la­
bel, you should determine the proper tire infla­
tion pressure for those tires).
As an added safety feature, your vehicle has been
equipped with a tire pressure monitoring system
( T PMS) that illuminates a low tire pressure tell­
tale when one or more of you r tires is significant­
ly under-inflated. Accordingly, when the low tire
pressure telltale illuminates, you should stop and
check your tires as soon as possible, and inflate
them to the proper pressure . Driving on a signifi­
cant ly under-inflated t ire causes the tire to over­
heat and can lead to tire failur e. Under-inflation
also reduces fuel efficiency and tire tread life,
and may affect the vehicle's handling and stop-
ping ability.
..,.

Cl 00 .-< N r-­N .-< 0 r-­Vl 00
Please note that the TPMS is not a substitute for
proper tire maintenance, and it is the driver's re­
sponsibility to maintain correct tire pressure,
even if under-inflation has not reached the level
to trigger illumination of the TPMS low tire pres­
sure telltale .
Your vehicle has also been equipped with a TPMS malfunction indicator to indicate when the sys­
tem is not operating properly. The TPMS mal­
function indicator is combined with the low tire pressure telltale. When the system detects a
malfunction, the telltale will flash for approxi­
mately one minute and then remain continuously
illuminated. This sequence will continue upon
subsequent vehicle start-ups as long as the mal­
function exists.
When the malfunction indicator is illuminated,
the system may not be able to detect or signal
low tire pressure as intended. TPMS malfunctions
may occur for a variety of reasons, including the
installation of replacement or alternate tires or
wheels on the vehicle that prevent the TPMS
from functioning properly . Always check the
TPMS malfunction telltale after replacing one or
more tires or wheels on your vehicle to ensure
that the replacement or alternate tires and
wheels allow the TPMS to continue to function
properly.
Description
Applies to: vehicles with tire pressure monitor ing system
The tire pressure monitoring system monitors
the pressure in the four tires when driving.
T he system uses sensors that measure the tem ­
perature and pressure in the tires . The data is
sent from these sensors to the control module by radio frequency.
T he tire pressure monitoring system shows the
current pressures and temperatures of the tires
in the Infotainment system while driving
¢ page 264. It also compares the current tire
pressures with the stored tire pressures and
gives a warning if the tire pressure is different
from what is stored
¢ page 264 .
Wheels
The system does not detect if the stored tire
pressures match the recommended tire pres­
sures. You must store the tire pressures again
¢ page 264:
- every time the tire pressures change, for exam­
ple when the load in the vehicle changes,
- after replacing a tire, or
- if wheels with new wheel sensors are used.
_& WARNING
- The tire pressure monitoring system assists
the driver in monitoring tire pressures. The
driver is responsible for having the tires in­
flated to the correct pressure.
- Do not change the tire pressure when the
temperature of the tire is extremely high.
This could result in serious damage to the
tire and even cause the tire to burst, in­
creasing the risk of an accident.
- A tire with low pressure flexes more. This heats the tire up too much. This could cause
the tread to separate and even cause the
tire to burst, increasing the risk of an acci­
dent.
- The tire pressure monitoring system does not warn about damage or defects in the
tire construction that could cause the tire to
burst, for example. Inspect your tires regu­
larly.
(D Tips
- If tires are replaced, the sensors/valves do
not need to be removed or replaced . Just re­
placed the valve stem and, if necessary, the
valve and the wheel electronics. If you have questions, see an authorized Audi dealer or
authorized Audi Service Facility.
- An incorrect display or a malfunction in the
tire pressure monitoring system can occur
after using the tire mobility kit. Have the
sensors replaced by an authorized Audi
dealer or authori zed Audi Service Facility.
- For an explanation on conformity with the
FCC regulations in the United States and the
Industry Canada regulations, see
¢ page 293.
263

Wheels
Displaying tire pressures/temperatures
Applies to: vehicles with tire pressure monitoring system
Requirement: you must be d rivi ng the veh icle .
"'Se lect in the Infotainment system: IMENU I but­
ton
> Service & checks > Tire pre ssur e monitor­
ing > Di splay tire pressure.
- Green:
the current tire pressure and the speci­
fied t ire pressure are approximately the same .
-Yellow: the current tire pressure is too low
compared to the specified tire pressure .
The specified tire press ure is the last tire pres ­
sure that was stored
c> page 264.
Note that t he tire p ressure also de pends on the
temperature of the tire . The tire press ure in­
creases as the engine becomes wa rmer whi le
driving.
A WARNING
Read and follow the important information
and notes
c> page 263.
(D Tips
The tire pressure or temperature is not d is ­
played while the veh icle is stationary and in
adaptation mode. Dashes --.--are shown in
place of the pressu re and temperature.
(D Tire pressure loss
Applies to: vehicles with tire pressure monitoring system
-
If the Rt] indicato r light turns on, the p ressure in
at least one t ire is too low o r new sensors we re
not adapted :
[I] indicator lights turns on after turning the
ignition on
The tire pressure is too low compared to the
specified p ressure.
"' Check and store the t ire pressure(s) the next
time it is poss ible
c> page 264 .
[I] indicator light turns on while dri ving
Wheels with new sensors were not adapted or
the t ire pressure has reached a critical leve l com­
pared to the specified pressure .
264
"'Avoid unnecessary steering and brak ing maneu -
vers .
"'Adapt your dr iving sty le to the s ituation.
"' Stop as soon as possible and check the tire(s).
"'If it is possib le to continue driv ing, see an au-
thorized Audi dealer or authorized Aud i Service
Facility immediately and have your tire(s) re­
pa ired o r rep laced .
A WARNING
Read and fo llow the impo rtant info rmation
and n otes
c>page 263.
Storing new tire pressures
Applies to: vehicles with tire pressure monitoring system
Correctly stored tire pressure specifications are
necessary for reliable tire pressure monitoring.
-
It is always necessary to store the t ire pressures
whe n the t ire pressu res a re modified, fo r exam­
ple d ue to a change in load . o r when new senso rs
a re installed.
"' Before storing the t ire pressures, make su re the
tire pressures of all four t ires meet the spec i­
fied va lues and are adapted to t he load
c::> page 254, fig. 190 . Only correct and store
the pressure in tires whose temperature is ap ­
proximate ly the same as the ambient tempera ­
t u re . If the temperature of the tire is higher
than the ambient air temperature, the tire pressure must be increased approximately
3.0 PSI (0.2 bar) above the value on the st icker.
"' Switch the ignit ion on .
"'Select in the Infotainment system : IMENU! but­
ton
> Service & checks > Tire pressure monitor­
ing > Store tire pre ssure > Ye s, store now .
Af­
ter storing the t ire pressures, the t ire press ure
mon itor ing system measures the c urrent pres ­
sures while driving and stores them as the new
specified pressures .
"'If the changed tire pressures are not displayed
in the Infotainment system, drive the vehicle
for approximately 10 minutes so that the sen­ sor signa l from the wheels is received again .
During this adaptation phase, -- .- - is d isplayed
for the pressure and temperature and the tire pressure monitoring system is on ly partially