2012 AUDI A3 ignition

Master key with remote control
The remote control allows you to lock or un­
lock the vehicle electronically .
Fig. 26 Fold -up ma ster key with remote control
~ To fold the key out and back in place, press
the re lease button~
fig. 26.
The transmitter and battery are located in the
h ead of the remote control. The receiver is lo­
cated inside the vehicle. The maximum effec­
tive range depends on seve ral things. Remem­
ber, if the battery is weak, the effective range
decreases.
If you need to replace the remote control, or if
you need to have it repaired, you must see
your authorized Audi dealer. Only then can
you use the key again.
@ Tips
- If the ignition is sw itched on, the remote
control system is deactivated.
- The remote control system can be affect­
ed by other systems operating in the
same frequency range close to the vehi­
cle, such as mobi le telephones, te levi­
s ion broadcasting stations, etc.
- For Declarat ion of Compliance to United
States FCC and Industry Canada regula­
tions
r=>page 262.
Opening and closing 35
Check light in remote master key
The check light in the remote master key indi­
cates the state of charge of the battery .
Fig . 27 Ch eck light in t he master key
State of master key battery
When a button is pressed, the check light
flashes
~fig. 27 (arrow). If the check light
does not come on or flash, the battery is dead
and has to be replaced.
Battery replacement ~
page 35.
Master key battery replacement
Each master key contains a battery housed
under the cover.
Fig . 28 Master key: open ing t he cove r
We recommend having the battery changed
by a qualified workshop . However, if you wish
to replace the dead battery yourself, proceed
as follows:
~ Pry apart the base r=> fig. 2B@and the cov-
er@ carefully with a coin .
~ Remove the cover (arrow).
~ Remove the dead battery from the cover.
~ Install the new battery. Please make certain
that the
"+" sign on the battery faces down IIJ,-

36 Openin g and clo sing
in the cover. Correct po larity is shown on the
cover .
.. Place the cover with the new battery on the
key base and press both parts together.
@ For the sa ke of the environment
Dispose of dead batteries properly so as
not to po llute the environment.
(D Tips
The replacement battery must be the
same specification as the original.
Electronic immobilizer
The immobilizer helps to prevent unauthor­
ized use of your vehicle .
A computer chip inside your key automat ica lly
deactivates the e lectronic immobilizer when
you insert the key in the ignition lock . When
you remove the key from the ignition lock, the e lectronic immobilizer is a utomatica lly acti­
vated once again.
@ Tips
- The vehicle cannot be started if an unau­
thorized key is used. The vehicle may not
start if another radio device such as a key
for another vehicle or transponder is lo­
cated on the key ring.
- For Declaration of Compliance to United
States FCC and Industry Canada regula­
tions
¢ page 262.
Power locking system
General description
The power Locking system Locks or unlocks all
doors and the rear lid simultaneously.
The power lock ing system in your veh icle in­
corporates the fo llow ing funct ions:
- Central locking function
- Remote control feature¢
page 35.
- Anti-theft alarm system ¢ page 42.
All the doo rs and the rea r lid a re locked by the
central locking system when you lock the vehi­
cle .
T he unlo ck ing and locking mode * can be
changed in the drive r information system
¢page 27.
Unlocking the vehicle
You can unlock t he vehicle from outside either
by us ing the remote contro l
or by inserting
and tu rning the key in the driver's door lock.
When you
unlock your vehicle:
- The ant i-theft a larm system is deactivated
b riefly .
- The vehicle i nte rio r lights i llum inate fo r ap­
proxima tely 30 seconds .
- All turn s ignal lights w ill flash tw ice when
the ca r is u nlocked.
- After unlocking the vehicle, you have 30 sec­
onds to open a door or the rear lid. After 30
seconds, the vehicle automat ically locks and
the anti -t h eft alarm system act ivates ag ain.
The rear lid can be locked o r unlocked either
by us ing the remote cont ro l
or by inserting
and tu rning the key in the drive r's door lock.
Unlocking the vehicle wi th the remo te contro l
c;:::::::5 will only unlock the rear lid, to open i t , the
lid handle needs to be pressed.
Locking the vehicle
You can lock the veh icle from outs ide either by
u sing the remote con trol
or by inse rting and
tu rning the key in the drive rs 's door lock .
When you
lock the veh icle:
- All doors a nd the rear lid are loc ked.
- All turn s ignal lights will flash once when
the car is locked.
- The ant i- theft a larm system is activated .
The horn of the anti-theft alarm system w ill
sound and the ant i-theft a la rm system read­
iness l ight , loca ted in the center of the in­
s trumen t panel be low the w indshield on the
r ight side of the ai r vent , will start to blink.
- The vehi cle i nte rior ligh ts turn
off. .,.

38 Openin g and clo sing
The remote controls a llows you to:
- lock or unlock the veh icle
- selectively unlock the rear lid.
The turn signals will flash briefly whenever
you lock or unlock the vehicle. Also, the interi­
or light will come on or go off whenever you
open or close the dr iver's door .
The transmitter and battery are located in the
head of the remote control. The receiver is lo­
cated inside the vehicle . The maximum effec ­
tive range depends on seve ral things . Remem­
be r, if the battery is weak, the effective range
dec reases.
The remote -control key conta ins a fold -out
key that you can use to man ually lock or un­
lock the v ehicle and to sta rt the e ng in e.
If you need to replace the remote contro l, or if
you need to have it repaired, you must see
your author ized Audi dealer . Only then can
you use the key again .
_& WARNING
Read and follow all WAR NIN GS c> &. in
G eneral descrip tion on page 37.
@ Tips
- The remote cont rol key is automat ical ly
deact ivated when th e ignition is sw itch­
ed on.
-
- The op eration of the remote cont ro l key
c a n be tempo rarily disrupted by in terfer­
ence from transmitters in t he vicin ity o f
th e veh icle work ing in t he same frequen­
cy r ange (e .g . a ce ll phone, radio equip ­
ment).
- In order to make sure the locking func­
tion is workin g, you shou ld always keep
you r eye on the vehicle to make sure it is
p roper ly loc ked.
- Do not use the remote control if you are
i nside t he car, ot herwise you may unin­
tentiona lly lock t he ve hicle, and then you
would set off the anti-theft alarm when
you try open a door . In case this happens
anyhow, push the unlock button@ . - U
se the panic function on ly if yo u are in
an emergency situation .
Resetting the remote control
The remote control must be rese t if the vehi ­
cle does not unlock.
• Press t he u nlock button@ on the remote
cont ro l.
.. Man ually un lock the driver's door lock with
the mechanica l key within 30 seconds .
.. Press either the lock-
tD or the unlock @ but­
ton to complete the reset seq uence.
Doors, power Locks
Operating the locks with the fold-out
key
To lock and unlock the vehicle from the out­
side, turn the key in the lo ck of the driver 's
door .
Fig. 30 Key turns for openi ng and closing.
To unlock all door s and the rear lid
.. Turn the key to position @ c> fig. 30 to un-
lock the vehicle
To lock the vehicle
,.. Close a ll win dows and doors pro perly.
.. Turn the key in the lock of the d river's door
to the loc k pos it ion
@ c> A in General de­
scription on page 3
7.
When you unlock yo ur vehicle:
- The ant i-theft alarm system is dea ctivated.
- The vehicle i nterior lights illum inate fo r ap-
proximately 30 seconds .
When you
lock the vehicle:

40 Opening and closing
Rear power locking switch
There is also a power locking switch in the
rear center console for passengers sitting in
the rear.
Fig. 32 Rear power locking switch
.. Press switch~¢ fig. 32 to lock the vehicle
¢ A in Locking and unlocking the vehicle
from inside on page 39.
This switch does not unlock the doors.
See also ¢ page 39, Locking and unlocking
the vehicle from inside.
Rear lid
The rear lid is opened by the power locking
system using the
c:J button.
Fig. 33 Driver 's door, rear bottom: remote rear lid re­
lease
Fig. 34 Hand le locat ion in the rear lid
,...
!:I -ct. co Opening the rear lid
.. Pull the switch i;:;:::::::5 ¢ fig. 33 in the driver's
door.
.. Unlock the rear lid by pressing the c:J but-
ton on the remote control
Q fig. 33 .
.. Lift the lid ¢ fig. 34.
Closing the rear lid
.. Pull it down and shut it firmly¢ A . There
is a recess in the interior trim of the lid to
make it easier to pull down.
A WARNING
-
-After closing the rear lid, always pull up
on it to make sure that it is properly
closed. Otherwise it could open suddenly
when the vehicle is moving.
- To help prevent poisonous exhaust gas
from being drawn into the vehicle, al­
ways keep the rear lid closed while driv­
ing. Never transport objects larger than
those fitting completely into the luggage
area , because then the rear lid cannot be
fully closed.
- Never leave your vehicle unattended es­
pecially with the rear lid left open. A
child could crawl into the car through the
luggage compartment and pull the Lid
shut, becoming trapped and unable to
get out. To reduce the risk of personal in­
jury, never let children play in or around
your vehicle. Always keep the rear lid, as
well as the vehicle doors, closed when not in use.
(D Tips
-If the rear lid is open or not properly
locked when the ignition is turned on,
the door and rear lid warning appears in
the instrument cluster display.
- If the rear lid on a locked vehicle is un­
locked with the middle button
c:J on the
remote key, the rear lid is automatically
locked again immediately after closing.
This is indicated by the turn signals
blinking.

Emergency release for rear lid
If the rear lid cannot be opened, an emergen­cy release is provided .
Fig. 35 Rear and trunk section: Access to emergency
release
F ig . 36 Rear lid interior sectio n: Emergency re lease
The emergency release is located on the inside
of the rear lid . To release the rear lid, proceed
as follows:
.. Fold down the right rear seatback
r::!;) fig . 35.
.. Take your ignition key and move through
the opening until your head and shoulders are in the trunk.
.. Now insert the key bit into the slot in the
cover as shown in
r::!;) fig. 36 (D and pry the
cover up carefully .
.,. Place the key in the round opening beh ind
the cover @and turn the key in the direc­
tion of the arrow . This unlocks the lock and
the rear lid opens a crack .
.. Open the rear lid from the outside and put
the ignition key in a safe place .
Opening and closing 41
Manual door locking
If the power locking system fails (power fail­
ure), you will need to lock the passenger door
separately.
Fig. 37 Eme rgency lo cking device in the doors
An emergency door lock ing device is integ rat­
ed in the rear edge of the doors (only visible
when the door is open) for those doors with­
out a lock cylinder .
.. Open the door .
.. Remove the plastic cap using the vehicle key
r::!;,fig. 37 .
.. Stick the key into the internal slot and turn
the key about 90 degrees as far as it can go
to the right (right-side doors) or to the left
(left -side doors) .
.. Replace the plastic cap.
After you close the door, you will no longer be
able to open it from the outside .
You can open it from the inside, however, by
pulling on the door latch,
once for the front
doors and twice for the rear doors.

42 Opening and clo sing
Child safety lock
The child saf ety lock t prev ents th e re ar
doors from being opened from the inside .
Fig. 38 Rear doors : child safety lock
The rear doors are equipped wi th a ch ild safe­
ty lock.
It is operated w ith the vehicle key. The
child safety lock is only visible when the door
is open.
• To
switch on the child safe ty lo ck , tu rn the
i gnition key in the direct ion of the arrow .
• To
switch off the child safety loc k, t urn the
ignition key in the opposite direction of the
arrow.
The c hild safety lock prevents the doors from
being opened from the inside when you have
small children sitt ing in the rear.
Anti-theft alarm system
The anti -theft alarm triggers an alarm if any­
one attempts to break into the vehicle .
Fig. 39 Diode pos it ion in th e in st ru men t pane l
The anti-theft a larm system triggers an audi­
ble alarm and tu rns o n the emergency flasher
if a n unauthori zed interference w ith the vehi­
cle is sensed by the system.
How is the anti -theft alarm system
switched on?
T he anti -theft alarm system is switched on
when you lock the driver's door manua lly us­
ing t he fo ld-out key, or when you use the re­
mote control. The system is activated approx i­
mately 30 seconds after the vehicle is locked .
The ind icator light¢
fig. 39 starts flash ing
rapid ly for 30 s econds and then blinks slowly.
How is the anti-theft alarm sy stem
switched off?
T he anti-theft alarm system is switched off
when you use the remote cont ro l to unlock
yo ur vehicle.
If you do not open a doo r wi thin
30 se co nds after yo u have u nlocked wi th the
remote control, t he vehicle will loc k it se lf
again automatically .
If you lock just t he d river's door using your
k ey, the fron t passenger's door and the re ar
li d remai n locked.
When will the anti th eft alarm system be
triggered?
When the vehicle is lo cked, t he alar m sys tem
monitors and pro te cts the fo llowi ng parts of
the ve hicle :
- eng ine compartmen t
- luggage compartmen t
- doors
- ignition
When the system is activated, the alarm will be triggered if one of t he doors, t he engine
hood or the rear lid are opened, or if the igni­
t ion is turned on or the rad io removed .
The anti-theft alarm system wi ll also go off
whe n the battery is disconnected.
You can also trigge r the alarm by pressing the
P ANIC button on you r remo te-control key .
T his wi ll ale rt ot her people in case of emer­
gency . Press the
PANIC button again to turn
off the alarm.

How is the anti-theft alarm switched off
when triggered?
The alarm system is switched off when you
un lock the vehicle using the remote-control
key or when the ignition is switched on. The
alarm will also switch itself off when it comes
to the end of its cycle .
Emergency flasher
The emergency flasher will blink briefly when
the doors, engine hood and rear lid are prop­
erly closed .
If the emergency flashers do not blink, check
the doors, engine hood and rear lid to make
sure they are properly closed. If you close a
door, the hood or the rear lid with the anti­
theft alarm switched on, the emergency flash­
ers will blink only after you have closed the
door or lid .
(D Tips
For the anti-theft alarm system to func­
tion properly, make sure all vehicle doors
and windows are closed before leaving the
veh icle.
Power windows
Controls
Fig. 40 Dr iver 's door: powe r w ind ow sw itches
The switches are located in the driver's door.
The front passenger's door has a own power
window switch of its own.
To open/close If the respective switch is push­
ed or pulled, the window will, respectively.
Opening and closing 43
Switches for front door windows
@ operates the window in the driver's door.
® operates the window in the front passeng -
er 's door.
Switches for rear windows
© operates the left rear window.
@ operates the right rear window.
Safety switch
® Safety switch for rear window operation .
A WARNING
-Do not leave chi ldren unattended in the
veh icle, especially with access to vehicle
keys. Unsupervised use of the keys can
result in starting of the engine and use
of vehicle systems such as power win­
dows, etc. wh ich could result in serious
mJury.
- Remember -you can still open or close
the power windows for about ten mi­ nutes after the ign ition is switched off.
On ly when either of the front doors are
opened are the power windows switched
off .
- Be careful when clos ing the windows .
Check to see that no one is in the way, or
serious injury could result!
-Always remove the ignition key whenever
you leave your vehicle .
- If you lock your vehicle from the outside,
no one, especially children, should re­
main in the vehicle.
- Do not stick anything on the windows or
the windshield that may interfere with
the driver's field of vision.
Switches in the driver's door
The driver can operate all windows .
In addition to the switches in the driver's
door, there is a separate switch in each door
for the power window in that door~
page 43,
fig. 40.
If the respective switch is pushed or
pulled, the window will open or close. The
Ill>

Reactivating the system after battery
disconnection
Reactivating the convenience close/open fea­
ture
If the vehicle battery is disconnected and then
reconnected, the automat ic clos ing and open­
ing function w ill not work until it is reactivat­
ed. To reactivate th is feature, perform the fol­
l owing steps:
Reactivating close/open feature
• Pull and hold the power w indow switch un­
t il the window is completely closed .
• Release the switch .
• Pull the switch again for one second. The
automatic closing/opening is now reactivat­
ed .
Panoramic sliding
sunroof
Description
Applies to vehicles: with panoramic slid ing sunroof
The panoramic sliding sunroof is operated
with the toggle switch ¢
page 45, fig. 42
when the ignition in on.
The panoramic sliding sun roof can still be
opened or closed for about 10 minutes after
the ignition has been switched
off. However,
as soon as the driver's or passenger's door is
opened, the switch for the roof is inoperative.
Opening and closing panoramic sliding
sunroof
Applies to vehicles: with panoramic sliding sunroof
• •
Fig . 42 Sect io n of the roof liner Togg le sw itch for the
panoramic sl id ing sunroof
Opening and closing 45
The panoramic slid ing sunroof is opened in
two stages. First, the roof lifts up and then it
can be opened.
Lifting
• Tap the switch@¢ fig. 42 briefly, and the
roof lifts automatically (pop-up position).
Opening automatically (independent
operation)
• Tap t he switch (D ¢ fig. 42 briefly, and the
roof moves to the
lift position.
• Tap the switch (D briefly a second time, and
the roof moves to the
low wind noise com­
fo rt position .
• Press the switch (D until the roof is fully
open. In this position increased wind noise
may occur .
Opening manually (manual operation)
• Press the switch (D ¢ fig. 42, start ing from
the "lift position" until the roof has reached
the desired position .
Closing completely
• Press the switch@¢ fig. 42 until the roof
is completely closed ¢
A.
Closing partially
• Press the switch@¢ fig. 42 until the roof
has reached the desired position ¢
A-If
the roof is almost closed and you interrupt
the operation, the roof opens automatically
to a minimum setting; this is the smallest
possible opening that can be set.
If you park your vehicle in the sun, we recom­
mend that you close the sun blind. You should
especially make certain that the panoramic
sliding sunroof is closed when the sun blind is
closed when parked or if there is a sudden rain
shower.
The sun blind has two positions: complete ly
open or completely closed. The sun blind is
manually operated . ..,_