2015 AUDI A3 engine

Opening and closing
Central locking
Key set
Fig . 16 Your vehicle key set
The key set contains two remote contro l keys
or convenience keys*. To fold the key out or in,
press the release button
q fig. 16 -arrow-.
Remote control key or convenience key
The convenience key is a vehicle remote con ­
trol key with special functions ¢ page 34,
Locking and unlocking with convenience key
and
q page 73 , Starting and stopping the
engine (vehicles with a convenience key).
With the remote control key, you can lock and
un lock the vehicle centrally and start the en­
gine.
Number of keys
You can check the number of keys assigned to
your vehicle in the MMI. This allows you to
make sure you have received a ll of the keys
when you purchase a used vehicle. Select: Sys­
tems control button or Car Systems
> Service
& control> Programmed keys .
Replacing a key
If a key is lost, see an authorized Audi dea ler
or qualified repair facility. Have this key deac­
tivated. It is important to br ing all keys with
you.
If a key is lost, you should report it to
your insurance company .
Immobilizer
The immobilizer prevents unauthorized use of
the vehicle . The vehicle may not start if anoth -
Opening and closing 31
er radio device such as a key for another veh i­
cle or a transponder is located on the key ring.
Data in the remote control key or
convenience key
While driving , service and maintenance -rele ­
vant data is continuously stored on your re­
mote control key or convenience key*. Your
Audi serv ice advisor can read out this data and
tell you about the work your vehicle needs.
_& WARNING
- Always take the vehicle key with you
when leaving the vehicle, even for a
short period of time. This applies partic­
ularly when children remain in the vehi­
cle. Otherwise the children could start
the engine or operate electrical equip­
ment such as power windows.
- Do not remove the key from the ignition
lock until the vehicle has come to a com­
plete stop. Otherwise, the steering col­
umn lock could engage suddenly and in­
crease the risk of an accident.
{i) Tips
The operation of the remote control key
can be temporarily disrupted by interfer­
ence from transmitters in the vicinity of
the veh icle working in the same frequency
range (for example, a cell phone or radio
equipment).
Central locking system description
You can lock and unlock the vehicle centrally .
There are different ways, depending on vehicle
equipment:
- Remote control key¢ page 33
- Lock cylinder on the driver's door
q page 35, or
- Sensors in the front door handle on vehicles
with convenience key* q page 34,
- Power locking switch inside¢ page 35.
•

Opening th e windows
"' Press the sw itch to the fir st sto p and hold i t
until the window reaches the desi red posi ­
tion .
"' Press the switch briefly to the
se cond stop
to automatic ally open the window .
Clos ing th e windows
"' Pull the swi tch to t he fir st sto p and hold it
until the window reaches the desi red posi ­
tion .
"' Pull the switch briefly to the
sec on d s top to
automatica lly close the window .
Pow er wi nd ow switch es
@ Sw itch c::> fig. 2 7 f or the window in the
driver's door.
@ Sw itch for the window in the fron t pas­
senger 's door .
© Switch for the window in the left rear
door.
@ Sw itch for the window in the r ight re ar
door.
® Safety bu tton* .
Child safe ty lock
When the safety button® c::> fig. 2 7 is press­
ed, the~ symbol in the button lights up . The
power w indow switches in the rear doors are
switched off.
A WARNING
- Always remove the ignition key when you
leave your vehicle, even for a short peri­
od of time . This applies particularly when
children remain in the vehicle . Otherwise
the chi ldren could start the engine or op­
erate electrical equ ipment such as power
windows. The power windows continue
to function unt il the driver 's door or
front passenger's door has been opened .
- Pay carefu l attent ion when closing the
window . It could cause injury by pinch­
ing.
- When locking the veh icle from outs ide,
the vehicle must be unoccupied s ince the
Opening and clo sin g 39
windows can no longer be opened in an
emergency.
(D Tips
After turning the ignition off you can s till
open and close the windows for approxi­ mately 10 seconds. The power windows
are not switched off until the driver's door
or front passenger's door has been
opened .
Convenience opening/closing
With the convenience open ing/closing func­
tion, you can centrally and eas ily ope n the
windows and the pano rama sunroof* from the
o utside.
Convenienc e opening
"' Press the open button~ on the remote con ­
trol key u ntil all w indows and the panorama
sunroof* have reached the desired position,
or
"' First unlock the vehicle using the open but­
ton
Im on the remote cont ro l key and then
keep the key in the lock on the driver's door
until a ll windows and the and the panorama
sunroof* have reached the desired position .
Conven ience closing
"' Hold the key in the lock on the drive r's door
i n the closed position unt il a ll windows and
the panorama sunroof * are closed.
Adjusting the convenience opening in the
MMI
"' Select: !MENU I > button System s contro l
button or
Car s ystems > Vehicle settings >
C entral locking > Open windows b y press­
ing long
or > F ront windo ws on /off or Roof
on /off *.
A WARNING
- Be careful when clos ing the windows and
panorama sunroof* - the re is a risk of in-
Jury.
li1'-
•

42 Lights an d Vi sion
Lights and Vision
Exterior lighting
Switching lights on and off
Fig . 29 Instrument pane l: l ig ht switc h
Light swit ch -'tj.-
The headlights only work when the ignition is
switched on. While start ing the engine or
when switching off the ignition, the head­
lights will go off and only the side marker
lights will be on .
If the system is not operating properly, a
warning symbol in the driver information dis ­
play is displayed
¢ page 25.
Turn the switch¢ fig. 29 to the corresponding
position . When the lights are switched on, the
respective symbol turns on.
0 -lights off. In some countries, the day time
running lights* are turned on and off together
with the ignition.
- USA model s: T he daytime running lights
wi ll come on automatically when the igni­
tion is on and the light switch¢
fig. 29 is in
the
O position or the AUTO position (only in
daylight conditions) . The
Daytime runn ing
li ghts function can be turned on and off in
the MM I ¢
page 44, ¢ .&. .
- Canad a models: The daytime running lights
will come on automa tically when the igni­
t ion is on and the light switch¢
fig. 29 is in
the
O posit ion , the :oo: pos ition or the AUTO
posit ion (only in daylight conditions) ¢,& .
AUTO* -Automatic headligh ts swi tch on and
off depend ing on brightness, for example in
tw il ight, during rain or in tunnels . In vehicles with integrated day time runn
ing lights *, ei­
t h er the daytime running lights or the head­
lights wi ll turn on automat ically, depending
on the amount of light (may vary depending
on the country).
: oo : -Parking lights
iD -Low beam head lights
T he following w ill happen in these light
switch pos itions when you lock the veh icle:
- iD -Low beam: the entire exterior lights
sw itch off
- AUTO*: the Coming home* function is
turned on ¢
page 44
Fog lights* / rear fog light (s)
Press the corresponding button¢ fig. 29:
}0 -Fog lights*. When the fog lights are
swi tched on, the
}0 symbol in the button illu­
minates.
0$ -Rear fog light(s) When the rear fog lights
are switched on, the
Ot symbo l in the b utton
illuminates.
All-weather lights*
apples to vehicles with LED headlights .
Press the
¢ fig. 29 button.
'i'!io -All-weather lights (this button rep laces
the fog light button
}0.)
In veh icles with all-wea ther lights , the front
l igh ts are adj usted automati cally so that yo u
are less like ly to see glare from your own
headlights, for example when driving on a wet
road.
Headlight range control system
T he headlight range adjus ts automatically
when there is a c hange in vehicle load and
during b raking and accelera ting so that the
headlig hts do not ca use g lare for oncom ing
traffic .
Audi adaptive light *
The ad aptive light only functions when the
li gh t switch is in the AU TO posit ion. You can
IJ,-

unattended in the vehicle with the vehicle
key.
(D Note
To avoid damaging the socket, only use
plugs that fit properly.
- Never connect equipment that generates
electrical current, such as a solar panel
or battery charger, to the 12-volt socket.
This could damage the vehicle's e lectri­
cal system .
- The 12-volt socket should only be used
for a short period of time as a power
source for electrical equipment . Please
use the electrical sockets in the vehicle
when connecting equipment for longer periods .
- To avoid damaging the socket, only use
plugs that fit properly .
{D) Tips
The vehicle battery drains when accesso­
ries are turned on but the engine is off .
Storage
Beverage holders
Fig. 50 Center console: front cupho lde rs
Fig. 51 Sect ion of the rear benc h seat: rea r cuphold ·
e rs *
Seats and storage 57
Front cupholders
.,. Place beverages in the holders ¢ fig . SO.
There is space for two beverages. A larger
plastic bottle can be placed in the door trim.
Rear* cupholders
.,. To open the cupholders, tap on the rim @
¢fig. 51.
.,. To place the beverage container in the cu­
pholder, push the arm @ outward.
.,. Then push the arm against the beverage
container so that the arm lies closely
against it.
.,. To close the cupholders, push them back in­
to the slot .
A WARNING
-
- Never carry any beverage conta iners with
hot liqu ids, such as hot coffee or hot tea,
in the vehicle while it is moving. In case
of an acc ident, sudden braking or other
vehicle movement, hot liquid could spill,
causing scalding burns. Spilled hot liquid
can also cause an accident and personal injury.
- Do not use breakable beverage contain­
ers (for example, ones made of glass or
porcelain). You could be injured by them
in case of an accident .
- Never use the cupholder or adapter as an
ashtray -risk of fire.
(D Note
Make sure your beverage container has a
lid. If not, your beverage could spill and
cause damage to vehicle equipment or
stain the seat covers.
(D Tips
There are additiona l cupholders in rear at
the left and right.

68 Warm and cold
through a t unnel or when sitting in traffic
c:;> &. .
The 1- 1 button, IAUTO I or the~ button
sw itches recircu lation mode off.
The system switches to recircu lat ion mode
when dr iving in reverse when the engine is
cold .
.8, WARNING
You should not use the rec irculat ion mode
for an extended period since no fresh air is drawn in. With the air -conditioning sw itch ­
ed off, the windows can fog up, which in­
creases the risk of an accident.
Adjusting the air vents
Fi g. 62 Cockp it: adjust ing the air vents
Fig. 6 3 (Ca nada ve hicles on ly) A ir ve nts: ad justing the
a irflow sett ing A) D iffused B) Direct
The follow ing settings are possibler=> fig. 62:
- @ Air flow amount
- @ Air flow d irect io n
- @
(Canada vehicles only) Air flow settings
(diffused or direct)
To adjust the
air flow amount , turn the ridged
outer adjusting r ing (D r=>
fig. 62. To stop the air flow, turn the adjusting ring a
ll the way to
the right.
T o adj ust the
air flow direction , turn the air
ven t grill insert @.
(Canada vehicles only) To adjust the air flow
se tting s,
pull o r press the m iddle adjustment
ring @
c::> fig. 62:
-Diffu sed air flow (indirect @): Press the
m iddle adjustment ring in lightly
c::> fig . 63.
- Dir ect
air flow (straight @): Pull the center
adjustment ring out lightly
c::> fig . 63 .
Rear window defogger
When a funct ion is switched on, the L ED in
the~ button for ma nual climate co ntrol
c::> page 65, fig. 60 and au toma tic climate con­
tro l
c::>page 66, fig. 61 tu rns on . If the rear
window defogger is act ivated when the igni­
tion is switched on, the battery management
determines based on the battery charge if it is
poss ible to turn on. Otherw ise, the rear win­
dow defogger funct ions with the eng ine run­
ning and switches off automatically after ap­
proximate ly 10 -20 minutes, depending on
the outside temperatu re.
To p revent the rear window defogger from
switching off automatically, press and hold
the~ (word REAR*) button for more than two
seconds. This remains s to red up to approxi­
mately 15 minutes after turning off the igni ­
tio n.
Seat heating
Applies to veh icles : w it h sea t heat ing
The seat heating has three leve ls. T he select­
ed heating level is indicated by the LEDs in the
button (manua l climate control)
c::> page 65,
fig. 60,
(automatic climate control)
c::> page 66, fig . 61 .
.,. To switch the seat heating on, press the [li
button once .
.,. To switch to a lower level , press the
[li but­
ton again .
.,. To switch the seat heating off, press the
lll
button repeatedly unt il the LED turns off . ..,.

70 Driving
Driving
Steering
Adjusting the steering wheel position
The steering wheel position is fully adjustable
up and down and forward and bock .
Fig. 64 Steering column: steering column adjustment
lever
.. Tilt the lever¢ fig. 64 downward ¢ &_.
.. Bring the steering wheel into the desired
position .
.. Push the lever against the steering column
until it latches .
_& WARNING
Improper use of steering wheel adjust­
ment and improper seating position can
cause serious personal injury.
- Adjust the steering wheel column only
when the veh icle is not moving to pre­
vent loss of vehicle control.
- Adjust the driver's seat or steering wheel
so that there is a min imum of 10 inches
(25 cm) between your chest and the
steering wheel¢
page 122, fig. 109 . If
you cannot maintain this minimum dis­
tance, the airbag system cannot protect
you properly.
- If phys ica l limitations prevent you from
sitting 10 inches (25 cm) or more from
the steering wheel, check w ith your au­
thorized Aud i dealer to see if adaptive
equipment is availab le .
- If the steering wheel is alig ned with your
face, the supplemental driver's airbag cannot p rovid e as much protectio n in an
accident. Always make sure that the steer
ing whee l is aligned with your
chest.
- Always hold the steering wheel with your
hands at the 9 o'clock and 3 o'clock posi­
tions to reduce the risk of personal injury
if the driver's airbag deploys.
- Never hold the steering wheel at the 12
o'clock position or with your hands inside
the steering wheel rim or on the steering
wheel hub. Holding the steering wheel
the wrong way can cause serious injuries
to the hands, arms and head if the driv­
er's airbag deploys.
Ignition lock
Depending on the model, your vehicle has the
follow ing equipment:
- Mechanical ignition key
c::> page 70 or
- Convenience key
c::> page 73
Starting and stopping
the engine (vehicles
with an ignition lock)
Starting the engine with the key
App lies to vehicles: wit h mechanica l igni tio n loc k
The ignition is switched on and the engine
started with the key in the ignition.
Fig. 65 Ignit ion key positio ns
Steering wheel lock
If the steering wheel will not turn, the steer­
ing lock is engaged .
To engage the steering wheel lock: The selec­
tor lever must be in the P position (automatic
transmission*). ..,.

~ To engage the steering wheel lock, turn the
whee l until it locks when the ignition key is
removed .
~ To release the steering wheel lock, insert
the key in the ignition lock and turn the key
in the -direction of the arrow- while turning
the steering wheel.
Switching the ignition on and off
~ To switch the ignition on, turn the ignition
key to position
(D .
~ To switch the ignition off, turn the ignition
key to position @.
Starting the engine
Your vehicle is equipped with launch contro l.
As soon as you have turned the ign ition key to
position @, the engine will start automatical­
ly.
~ Press the brake peda l and move the se lector
l ever to the P or N pos ition.
~ Turn the key briefly to position @. The igni­
t ion key automatically returns to position
@. Do not press the accelerator pedal when
doing this.
Major electrical equ ipment switches off tem­
porarily when starting the engine.
If the engine does not start immediately, stop
the starting procedure by turning the ignit ion
key to position @and repeat after 30 sec­
onds .
Automatic start malfunction
If the Ila indicator light turns on (gasoline en­
gine) and the message
Engine start system
malfunction. Please contact Service
appears,
there is an automatic start malfunction.
To start the engine, hold the ignition key in position @until the engine runs.
D rive to an autho rized Audi dea ler or qualified
repair facility immediately to have the ma l­
function corrected.
A WARNING
- Never allow the engine to run in confined
spaces -there is a r isk of asphyxiation.
Driving 71
- Never remove the ignition key from the
ignit ion lock while the vehicle is mov ing.
Otherwise the steering lock will engage
and you will not be able to steer the vehi­
cle.
- The brake booster and power steering
only work when the eng ine is running. If
the engine is off, you have to use more
force when stee ring or braking. Because
you cannot steer and bra ke as you usual­
ly would, this could lead to crashes and
serious inju ries .
- Always take the vehicle key with you
when leaving the vehicle, even for a
short period of time . This applies partic­
ular ly when c hildren remain in the vehi­
cle. Otherwise the children could start
the engine or operate electrical equip­
ment such as power windows.
(D Note
- Avoid high engine speed, full th rottle,
and heavy engine load as long as the en­
gine has not reached operating tempera­
ture yet. You could damage the engine.
- The engine cannot be started by pushing or towing the vehicle.
@ For the sake of the environment
Do not let the engine run while parked to
warm up. Begin driving immediately. This
reduces unnecessary emissions.
(D Tips
-If it is difficult to turn the key to position
(D, turn the steering wheel back and
forth slightly to release the steer ing
wheel lock.
-After starting a cold engine, there may be a brief period of increased no ise be­
cause the oil pressure must first build up
in the hydraulic valve adjusters. This is
normal and not a cause for concern.
- If the battery is disconnected and recon­
nected, you have to hold t he ignition key
in posit ion
(D for five seconds fo r the en-
gine to start.
Ill>
•

72 Driving
-Vehicles with an automatic transmission:
After switching the ignition off, you can
only remove the key when the selector
lever is in the "P" (Park) position. After
that, the selector lever is locked.
Stopping the engine with the key
Applies to vehicles: with mechanical ignition lock
Stopping the engine
... Bring the vehicle to a full stop .
... Turn the key to position @.
Engaging the steering wheel lock
Requirement: The selector lever must be in
the P position (automatic transmission*).
... Remove the ignition key in position @
¢page 73, fig. 66 ¢,& .
... Turn the steering wheel until you hear the
steering wheel lock.
The locked steering helps prevent vehicle
theft.
A WARNING
- Never turn off the engine before the ve­
hicle has come to a complete stop. The
full function of the brake booster and the
power steering is not guaranteed. You
must use more force to turn or brake, if
necessary . Because you cannot steer and
brake as you usually would, this could
lead to accidents and serious injuries.
- Never remove the ignition key from the
ignition lock while the vehicle is moving.
Otherwise, the steering lock could sud­
denly engage and you would not be able
to steer the vehicle.
- The brake booster and power steering
only work when the engine is running. If
the engine is off, you have to use more
force when steering or braking. Because
you cannot steer and brake as you usual­ ly would, this could lead to crashes and
serious injuries.
- Always take the vehicle key with you
when leaving the vehicle, even for a
short period of time . This applies partic- ularly when children remain
in the vehi­
cle. Otherwise the children could start
the engine or operate electrical equip­ ment such as power windows.
- For safety reasons, you should always
park your vehicle with the selector lever
in P. Otherwise, the vehicle could inad­
vertently roll away.
- After the engine has been switched off,
the radiator fan can continue to run for
up to 10 minutes -even with the ignition
switched off.
It can also switch on again
after some time if the coolant tempera­
ture rises as the result of a heat buildup
or if the engine is hot and the engine
compartment is additionally heated by
the sun's rays .
(D Note
-If the engine has been under heavy load
for an extended period of time, heat builds up in the engine compartment af­
ter the engine is switched off -there is a
risk of damaging the @ngin@ . For this
reason, let the engine run for at idle for
approximately two minutes before shut ­
ting it off.
(D Tips
-After the engine has been switched off,
the radiator fan can continue to run for
up to 10 minutes -even with the ignition
switched off. It can also switch on again
after some time if the coolant tempera­
ture rises as a result of heat buildup or if
the engine compartment is heated by
sunlight and the engine is hot.