2018 AUDI A3 SEDAN fuel cap

Table of contents
Playing media . . . . . . . . . . . . . . . . . . . . . . . 232
Additiona l settings . . . . . . . . . . . . . . . . . . 235
Supported media and fi le formats . . . . . . 237
Troubleshoot ing . . . . . . . . . . . . . . . . . . . . . 239
Audi smartphone interface . . . . . . 24 1
Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Operating . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Troubleshoot ing . . . . . . . . . . . . . . . . . . . . . 242
System settings . . . . . . . . . . . . . . . . . . 243
Sett ing the date and time . . . . . . . . . . . . . 243
MMI sett ings . . . . . . . . . . . . . . . . . . . . . . . 243
Con nection manager . . . . . . . . . . . . . . . . . 244
System update . . . . . . . . . . . . . . . . . . . . . . 246
Sound setti ngs . . . . . . . . . . . . . . . . . . . . . . 247
Volume se ttings . . . . . . . . . . . . . . . . . . . . . 247
Restart ing the M MI . . . . . . . . . . . . . . . . . . 248
Softwa re license information 248
Safety first
. . . . . . . . . . . . . . . . . . . . . . . 24 9
Driving safety . . . . . . . . . . . . . . . . . . . . 24 9
Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Correct passenger seating positions . . . . . 250
Driver's and front passenger 's footwell . . 253
Pedal area . . . . . . . . . . . . . . . . . . . . . . . . . . 254
Storing cargo correctly . . . . . . . . . . . . . . . 255
Ac tive rollove r protect io n system . . . . . . . 257
Repo rt ing Safety Defects . . . . . . . . . . . . . . 258
Safety belts . . . . . . . . . . . . . . . . . . . . . . 260
Gene ral notes . . . . . . . . . . . . . . . . . . . . . . . 260
W hy use safety belts? . . . . . . . . . . . . . . . . 26 1
Safety bel ts . . . . . . . . . . . . . . . . . . . . . . . . 264
B el t tensione rs . . . . . . . . . . . . . . . . . . . . . . 267
Airbag system . . . . . . . . . . . . . . . . . . . . 269
I mpo rtant info rm ation . . . . . . . . . . . . . . . 269
Fr ont airbags . . . . . . . . . . . . . . . . . . . . . . . 273
M onitoring the Advanced Airbag System . 28 1
K nee airbags . . . . . . . . . . . . . . . . . . . . . . . . 285
Side airbags . . . . . . . . . . . . . . . . . . . . . . . . 287
Side curtain airbags . . . . . . . . . . . . . . . . . . 290
Child safety . . . . . . . . . . . . . . . . . . . . . . 294
Important information . . . . . . . . . . . . . . . 294
Ch ild safety seats . . . . . . . . . . . . . . . . . . . . 300
Secur ing ch ild safety seats . . . . . . . . . . . . 305
4
LATCH sys tem (lower anchorages and
tethers for c hild ren) . . . . . . . . . . . . . . . . . 308
Additional in format ion . . . . . . . . . . . . . . . 313
Maintenance and Care . . . . . . . . . . . 314
Checking and Filling . . . . . . . . . . . . . 314
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 314
Refueling . .. .. .. .. .. ............. .. 315
Catalytic converter . . . . . . . . . . . . . . . . . . . 317
On Board D iagnost ic System (OBD) . . . . . 318
Engine compartment .. ............... 318
E ngine o il . . . . . . . . . . . . . . . . . . . . . . . . . . 3 21
Cooli ng sys tem . . . . . . . . . . . . . . . . . . . . . . 32 4
B rake flu id . . . . . . . . . . . . . . . . . . . . . . . . . 326
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 26
Windshie ld washer system . . . . . . . . . . . . 328
Se rvice interva l display . . . . . . . . . . . . . . . 328
Wheels .. .. .. .... .. ... .. ..... ... .. 330
Whee ls and Tires . . . . . . . . . . . . . . . . . . . . 330
Tire Pressure Monitor ing System ind icator 348
Tire p ressure mo nitor ing system . . . . . . . 350
Care and cleaning . . . . . . . . . . . . . . . . 354
Genera l information . . . . . . . . . . . . . . . . . 354
Car washes . . . . . . . . . . . . . . . . . . . . . . . . . 354
Cleaning and care i nformation . . . . . . . . . 355
Plac ing your vehicle out of serv ice . . . . . . 359
Do It Yourself . . . . . . . . . . . . . . . . . . . . 360
Emergency a ssistance . . . . . . . . . . . 360
T ru nk escape latch . . . . . . . . . . . . . . . . . . . 360
Genera l info rmation . . . . . . . . . . . . . . . . . 360
E q ui pment . . . . . . . . . . . . . . . . . . . . . . . . . 360
T ire mobility kit . . . . . . . . . . . . . . . . . . . . . 3 61
Replacing w heels . . . . . . . . . . . . . . . . . . . . 3 63
Spa re ti re . . . . . . . . . . . . . . . . . . . . . . . . . . 369
Fu ses and bulb s . . . . . . . . . . . . . . . . . . 3 71
Fuses.. ... .. .. .... .. ... .. ..... ... .. 371
Bu lbs .. ... .. .. .... .. ... .. ..... ... .. 373
Emergency situations .. ..... ... .. 375
Genera l... .. .. .... .. ... .. ..... ... .. 375
Start ing by push ing or tow ing . . . . . . . . . . 375
Jump starting . . . . . . . . . . . . . . . . . . . . . . . 375
Towing with a tow truck . . . . . . . . . . . . . . 378
Raising the vehicle . . . . . . . . . . . . . . . . . . . 379

Cockpit overv iew
CD Note
The needle in the tachometer @ Q page 10,
fig. 4 or¢ page 10, fig. 3 may only be in the
red area of the gauge for a short time or there
is a risk of engine damage. The location where
the red zone beg ins varies depending on the
eng ine .
@ For the sake of the environment
Upshifting early helps you to save fuel and re­
duces operating noise .
Fuel level
The display@¢ page 10, fig. 4 or ¢ page 10,
fig. 3 only functions when the ign ition is swi tch­
ed on . When the display has reached the reserve
mark, a red LED appe ars and the
rD indica to r
light t urns on ¢
page 28. The LED blinks red
when the f uel level is very low .
For the tank capacity in yo ur vehicle , refer to the
Te chnical Data
¢ page 38 2.
CD Note
Never d rive until the tank is comple tely emp­
t y. The irregular supp ly of fuel that resul ts
from that can ca use engine misfi res . U ncom­
bus ted fuel will the n enter the e xhaus t sys ­
tem . This can cause overheating and damage
to the cata lytic conve rter .
Odometer
Fig. S Instru me nt clust er: odo meter
12
Trip odometer and odometer
The trip odometer shows the dis tance driven
s ince it was last reset. It can be used to measure
short d istances.
The trip odometer ca n be reset to zero by p ress­
i ng t he rese t button ®¢
page 10, fig. 4 or
¢page 10, fig. 3.
The odometer shows the total d istance that t he
vehicle has been drive n.
Malfunction indicator
If there is a malfunction in the instrument clus­
te r,
DEF will appear in the trip odome ter display .
Have the malfunction corrected as soon as possi­
ble.
Outside temperature display
If your vehicle i s sta tionary or if yo u are driv ing at
very low speeds, t he temperature d isplayed may
be slight ly higher than the actual temperatu re
outside due to the heat radiating from the en ­
gine .
At temperatures be low 41 °F (+S °C), a snowf lake
symbol appears in front of t he temperature dis­
play ¢.&. .
A WARNING
Do not assume the roads are free of ice based
on the outside tempe rature disp lay. Be aware
that t here may be ice on roads even when the
outside temp erature is around 41 °F (+5 °C)
and that ice can increase the risk of accidents .

u. 00 ... N l'­ N ... 0 N > 00
injuries. When the vehicle enters drive ready
mode, the status message
e-no"' ~... ap­
pears briefly in the instrument cluster display
and the needle in the power meter points to
READY ¢ page 9 5.
-Make sure that the selector lever is in the P
position and the ignition is switched off
when leaving the vehicle.
@ Note
-The high-voltage system can be damaged if
the vehicle underbody comes into contact
with the ground . Immediately drive your ve­
hicle to an authorized repair facility and
have it inspected.
- The electric drive motor can become very
hot during operation . Do not stop the vehi­
cle if there is oil, fuel residue or other flam­
mable substances under or next to the vehi­
cle.
Special considerations for the high-voltage
battery
Applies to: vehicles with plug-in hybrid drive
Please first read and note the introductory infor­
mation and heed the warnings
¢page 92.
All batteries age with use and over time. There
are things you should know about the care of the
high voltage battery that will help it keep giving
you good service and reliability over time. Please
read and keep the following information in mind
while you enjoy the performance and economy of
your vehicle.
- Be sure to charge the high voltage battery be­
fore leaving the vehicle parked and unused for a longer period of time. Ideally the high-voltage
battery should have a charge level between
40 % and 60 % when parked for a long t ime .
- If the battery charge level is below 3 %, never
park the vehicle for more than 21 days without
charging the high-voltage battery. Should you
have to park the vehicle for a long time, make
sure that the charge level is sufficient to help
prevent the battery from aging prematurely.
- Frequent and consecutive charging of the high­
voltage battery when the charge level is above
e-tron
98 % can also decrease the capacity of the
high-voltage battery. Make sure the charge lev ­
el is be low 98 % when you start the charging
process.
- Should the vehicle be parked for longer than
2 days at temperatures below -13 °F ( -25 °C),
the high-voltage battery could free ze and not
be able to provide energy to the electric motor.
The battery will start working again, once it
warms up . The battery can be warmed up when
the outside temperature rises or when the vehi­
cle is garaged appropriately. The battery will al­
so warm up when being used (sw itching on the
air conditioner, the heater or by driving the ve­
hicle) . Should you have to park your vehicle at
very low temperatures for longer than 1 day,
make sure that the high-voltage battery does
not freeze by parking the vehicle in a garage
that is heated or protected from the outside
temperature.
- The high-voltage battery can be damaged and
the capacity can be decreased when the vehicle
is parked for longer than 24 hours when the
ambient temperature is higher than 118 °F
(48 °C). Always make sure that the h igh-volt­
age battery is not exposed to temperatures
above 118 °F (48 °C) for a long time.
- Never park the veh icle in areas that are lik ely to
be flooded, such as beaches or river banks, and
never drive the vehicle in WA TER, on flooded
roads or through water that is higher than the
bottom of the vehicle body. The high-voltage
battery, along with other vehicle components,
can be damaged severely if the high-voltage battery is exposed to open water especially for
a longer time. However, you can drive through
water on roads under certain conditions
~ page 72.
Failure to heed any of these requirements can
age the battery prematurely and lead to a perma­
nent decrease of the high-vo ltage battery's ca­
pacity.
(D Tips
Always make sure that the high-voltage bat­
tery is not exposed to extremely low and high
temperatures as well as to water espec ially
for a longer time. Failure to protect and care
93

e-tron
The gaso line engine is no longer ava ila b le be ­
cause there is not enough fue l. Drive immediate ly
to a gas station.
Fuel filler door emergency release
A pp lies to : ve hicles w ith plug- in hybrid drive
You must use the emergency re lease to open the
fue l filler door when there is a malfunct io n
c::;, page317 .
The tank is not vented. You can only f ill a small
amount of fuel in the tank.
~ Fill only unti l the automatic fue l pump nozzle
turns off for the first time when it is operated correctly.
Drive to an a utho rized Aud i de aler or a uth o rized
Audi Service Facility immediately to have the
malfunctio n corrected .
(D Tips
Pressure can escape if you open the tank ca p
after using the emergency release . This can
create noises.
Charging
General information
A pp lies to: ve hicles w ith plug -in hybrid drive
Two options are ava ilab le for cha rging the vehi ­
cle:
- Charge at a p ublic charging stat ion w ith a spe­
c ia l charging cable*
c::;, page 106 .
-Charge with ho useho ld and industrial power
sockets using the Audi e-t ron c harg ing system
¢ page 106.
Environmental condition s when using the
Audi e-tron charging system
- Operat ing temperatu re : -13 °F (-25 °C) to 95 °F
(+35 °C)
- Humidity: 5% to 95%, non-co ndensing
- 13,000 feet (4,000 meters) maximum above
sea leve l
- Protected against dust and spray (IP54 (USA:
enclosure 3 R))
104
Warnings when using the charging system
&
Surfaces ca n become very hot when
i n d irect su nlight .
&~
Incorrect use increases the risk of
electric shock.
~¼
Do not use any extens ions co rds o r
c abl e reels.
~
Do not use any travel adapters.
~~
Do not use any power str ips.
~~~
Do not use any charg ing cables with
damage to the electronics or the
con necti ng w ires .
.&_ WARNING -
Sockets that are inst alled incorrect ly can
cause elect ric shock or fire when charging the
h igh -vo ltage battery using the vehicle charg ­
ing connection .
- Installation and set up of the household con­
nection for the Audi e-tron charging system
may only be performed by a qualified e lec­
trician. The q ualified electrician is thereby
fully responsib le for adhering to applicable
standards and regu lations.
- Make sure that the selected charg ing con­
nection is suitable for drawing 16 amps .
- Make sure that the household soc ket is
grounded and shielded from water.
- The A udi e-tron charging system may only
be used with a prope rly grounded power
network. It cannot be used with non­
gro unded power networks (s uch as IT net­
wo rks) .
- Please follow the safety precautions in the
assembly instr uctions for the A udi cha rging
dock* or the Audi cha rging clips* .
.&_ WARNING
If you are not fam il iar with the socke t or the
e lectr ica l installation or it has not been
checked by qualified e xperts, never use i t fo r
cha rging. Even very low ch arg ing cu rrents can
cause ser ious damage and in particular fires if
the socket or electrical installation is in bad
Ill>

Trail er to wing
Trailer towing
Driving with a trailer
General information
Your veh icle is primari ly intended for transport­
ing peop le and luggage. Howeve r, if you dr ive
with a tra iler , follow the techn ica l requirements ,
the operation and driving tips, and the lega l reg ­
ulations.
Dr iving w ith a trailer affects the vehicle 's fuel
consumpt ion, performance and wear. It a lso re­
quires higher concentration from the driver .
A WARNING
Do not transport any people in a trailer due to
the risk of fatal injury .
Technical requirements
Certain requirements must be met when towing
a trailer.
Trailer hitch
Only use a trailer hitch with a removab le ball
h itch mount and ball h itch. The tra ile r hitc h must
be pe rm it t ed for the vehicle, the tra iler and the
permitted tota l weight of the trailer being
pu lled . Above all, it must be secure ly and safe ly
attached to the vehicle trailer.
Never mo unt a t rai ler hitch on the bumper. The
trai ler hitc h must be mounted in a way that does
not impair the function of the bumper. Do not
make any changes to the exhaust system and the
brake system.
Check regu larly if the trai ler hitc h is securely
mounted . A lways follow the instructions given by
the trai ler hitch manufacturer .
Trailer brakes
If t he tra ile r has its own bra ke system, then fol­
low the manufacturer specifica tions. Howeve r,
the brake system on the trai ler must never be
connected to the vehicle brake system.
118
Engine cooling system
D riving w ith a tra ile r means a higher load on t he
engine and the cooling sys tem. The coo ling sys­
tem must be designed for additiona l load and
contain enoug h
coolant ¢@ .
@ Note
Longer incl ines cannot be driven wi tho ut a
suitab le cooling system, especia lly if the out ­
side temperatures are high . ot herwise, this
i ncreases the risk of eng ine damage.
Operating instructions
Several things must be noted when towing a
trailer.
Towing capacity
Yo ur vehicle can only be ope ra ted with class 1 or
class 2 trai le rs.
Load distribution
Poor cargo load and distr ib ution can negatively
i mpact vehicle handling . T o have the lowest im­
pact as poss ible, load the tra ile r according to
t h ese cr ite ria :
- Store objects preferably in the vehicle luggage
compartment . The vehicle should a lways carry
the heaviest poss ib le load and the trailer
should have t he lig htest poss ible load .
- Dist ribute the load in the t railer so that the
heavy objects a re as close to the axle as poss i­
ble.
- Secu re objects from s lid ing o ut of place.
- Ut il ize the maximum permitted tongue we ight
if poss ible .
Tire s
Set the tire pressure on your vehicle for a "full
load"; see the tire pressure
st icker ¢ page 341.
If necessary, also adjust the t ire pressure on the
trailer acco rding to the manufactu rer's recom­
mendat ion.
Winter tires should be mounted on the vehicle and on the trailer during w inter temperatures .

LL co .... N
" N .... 0 N > co
-If you are unable to determine whether or
not a particular fuel blend meets the speci­
fications, ask your service station or its fuel
supplier.
- Do not use fuel for which the contents can­
not be identified.
- Fuel system damage and performance prob­
lems resulting from the use of fuels differ­
ent from those specified are not the respon­
sibility of Audi and are not covered under
the New Vehicle or the Emission Control
System Warranties .
- If you experience a loss of fuel economy or
driveability and performance problems due
to the use of one of these fuel blends, we
recommend that you switch to unblended
fuel.
Gasoline additives
A major concern among many auto manufactur­
ers is carbon deposit build-up caused by the type
of gasoline you use.
Although gasoline grades differ from one manu ­
facturer to another, they have certain things in
common. All gasoline grades contain substances
that can cause deposits to collect on vital engine
parts, such as fuel injectors and intake valves.
Al­
though most gasoline brands include additives to
keep engine and fuel systems clean, they are not
equally effective .
Audi recommends using TOP TIER Detergent Gas­
oline. For more information on TOP TIER Deter­
gent Gasoline, please go to the official website
(www.toptiergas .com) .
After an extended period of using inadequate
fuels, carbon deposit build-ups can rob your
en­
gine of peak performance.
(D Note
Damage or malfunction due to poor fuel qual­
ity is not covered by the Audi New Vehicle
Limited Warranty.
Checking and Filling
Refueling
Fueling
Applies to: vehicles without plug-in hybrid drive
Fig. 260 right rear side of the ve hicle: open ing the fuel
filler door
Fig. 261 Fuel filler door with attached fuel cap
Plug-in hybrid drive*: refer to the information un­
der ¢pag e 103, Refueling .
The fuel filler door is unlocked or locked by the
central locking system.
.,. Applies to: vehicles with plug-in hybrid drive:
note the information
on¢ page 103, Opening
the fuel filler door.
.,. Applies to : vehicles without plug-in hybrid
drive: to open, press on the left side of the fuel
filler
door¢ fig. 260 .
.. Unscrew the tank cap counterclockwise .
.,. Place the cap from above on the open fuel fille r
door ¢
fig. 261.
.,. Insert the fuel pump nozzle all the way into the
fuel filler neck.
.,. Begin fueling. Once the fuel pump nozzle turns
off the first time, the fuel tank is full. Do not
continue fueling, or else the expansion space in
the tank will be filled with fuel.
.,.
315

Checking and Filling
~ After the fuel pump has switched off, wait five seconds before removing it to allow the rest of
the fuel to finish dripping into the fuel tank.
~ Turn the fue l cap clockwise until you hear it
lock.
~ Close the fuel filler door and then press on the
left side until it latches .
The correct fuel type for your vehicle can be
found on a label located on the inside of the fuel
filler door. For additional information on fuel,
see
Qpage 314 .
For the tank capacity in your vehicle, refer to the
Technical Data
Qpage 382.
To reduce the risk of fuel leaking out or vapors
escaping, make sure that the fuel tank is closed
correctly. Otherwise
thP ¢..iff indicator light will
turn on.
If the centra l locking system malfunctions, the
fuel filler door may emergency release
Qpage317.
A WARNING
An improper fueling procedure and improper
handling of fuel can lead to explosions, fires,
severe burns and other injuries.
-Do not smoke and keep away from open
flames.
-The ignition must be switched off when re­
fueling.
-Cell phones, radio devices and other radio
equipment should always be switched off
when refueling. Electromagnetic rays could cause sparks and start a fire.
-If you do not insert the fuel pump nozzle all
the way into the filler tube, then fuel can
leak out. Spilled fuel can ignite and start a
fire.
-Never get into the vehicle when refueling. If
there is an exceptional situation where the
vehicle must be entered, close the door and
touch a metal surface before touching the
fuel pump nozzle again. This will reduce the
risk of electrostatic discharge that can cause
flying sparks. Sparks can start a fire when
refueling.
316
A WARNING
We recommend that you do not transport any
fuel containers in the vehicle. Fuel could leak
out of the container and ignite, especially dur­
ing an accident. This can cause explosions,
fires and injuries.
-If you must transport fuel in a fuel contain­
er, please note the following:
-Always place a fuel container on the
ground before filling. Never fill the fuel
container with fuel while it is in or on the
vehicle. Electrostatic charge can occur
while refueling and the fuel vapors could
ignite .
-For fuel containers made of metal, the
fuel pump nozzle must always maintain
contact with the container to reduce the
risk of static charge.
-Insert the fuel pump nozzle as far as pos­
sible into the filler opening while refuel­
ing.
-Follow legal requirements when using,
storing and transporting fuel containers.
-Make sure that the fuel container meets
the industry standards, for example ANSI
or ASTM F852-86.
@ Note
-Remove fuel that has overflowed onto any
vehicle components immediately to reduce
the risk of damage to the vehicle.
-Never drive until the fuel tank is completely
empty. The irregular supply of fuel that re­
sults from that can cause engine misfires.
Uncombusted fuel will enter the exhaust
system and increase the risk of damage to
the catalytic converter.
@I For the sake of the environment
Do not overfill the fuel tank, otherwise fuel
can leak out when the vehicle is warming up.
© Tips
The fuel filler door on your vehicle does not lock if you lock the vehicle from the inside us-
ing the central locking switch.
II>-

Checking and Filling
-Do not a pply u nder body protectant in t he
exhaust system area, because this increases
the risk of fire.
On Board Diagnostic
System (OBD)
The On-Board Diagnostic System monitors the
engine and transmission componen ts that influ ­
ence emissions.
F ig . 2 64 Footwell o n left s ide o f th e veh icle : co nn ect io n
port fo r the O n-Boa rd D iagno stic Syste m (OBD)
On-Board Diagnostic System
Engine data can be read out at the On-Board D i­
agnostic System connec tion po rt usi ng a special
tes ting device
~ fig . 264.
Indicator light
If thP ¢.j indicato r light bli nks or tu rns o n, there
is a malfunction that is causi ng poor emissions
qua lity and tha t could damage the ca talytic con­
ve rte r.
Drive s lowly to an author ized A udi dealer or au ­
thor ized Audi Se rvice Facility to have the ma l­
function co rrected .
The indicator light can also tur n on if t he fuel fill­
er cap is not closed
correct ly ~ page 315.
A WARNING
Incorrect use of the connection port fo r the
O n- Board Diag nostic System can ca use mal­
functions, which can then result in ac ciden ts
and ser ious injuries.
-Only allow a n author ized Audi dealer or au­
t h o riz e d Aud i Ser vice Faci lity to re ad o ut the
engi ne dat a.
318
-
Engine compartment
Working in the engine compartment
Special care is required if you are working in the
engine compartment
For work in the engine compartment, such as
checking and fill ing fluids, there is a risk of in­
jury, scalding, accidents , and burns . For thi s
reason, follow all the w arnings and general
safety p re caut ion s prov ided in the following in­
formation. The engine compartment is a dan­
gerous are a.
~ .&,.
A WARNING
To reduce the ris k of injur ies, comp lete the
follo wing steps before opening t he hood:
- Tur n t he engine off.
- Switch the igni tio n off.
- Set the park ing brake.
-Move the selector lever into the P position.
-N ever open the hood when there is steam o r
coo lant escaping from t he engine compart­
ment, because there is a risk that yo u could
be burned . Wait unt il no steam or coolant is
escapi ng.
- L et the eng ine cool down .
-Keep children away from the eng ine com-
pa rtment .
-Never sp ill fluids on a hot engine . These flu­
ids (such as the anti-freezing agent con­
tained i n the coolant) ca n ignite .
- Avoid short c ircuits in the electrical system .
-When working in the engine compa rtment,
remember that the radiator fan can switch
on even if the ignition is switched off, wh ich
increases the r isk of persona l injury .
-Never open the cap on the coolant expan­
sion tan k when t he engine is warm . The
coo ling system is under p ressure.
-To protect your face, hands , and a rms from
hot steam or coolant , cover the cap wit h a
large cloth when op ening .
-Do not remove the engine cover under any
circumstances. This increases the r isk of
burns .