Page 41 of 364
![AUDI A5 CABRIOLET 2011 Owners Manual (]] Tips
• The operation of the remote control key can be temporarily
d isrupted by interfe rence from transmitters in the v icinity of the
vehicle wo rking in the same freq AUDI A5 CABRIOLET 2011 Owners Manual (]] Tips
• The operation of the remote control key can be temporarily
d isrupted by interfe rence from transmitters in the v icinity of the
vehicle wo rking in the same freq](/manual-img/6/57571/w960_57571-40.png)
(]] Tips
• The operation of the remote control key can be temporarily
d isrupted by interfe rence from transmitters in the v icinity of the
vehicle wo rking in the same frequency range (e.g. a cell phone, rad io
equipmen t) .
• If you open the dr ive r's doo r with the key left in the ignit ion lo ck,
a ch ime will sound . This is your reminder to remove the key and lock
the doo r.
• For security reasons, replacement keys are only available from
Audi dealers.
• For Declaration of Complia nce to United States FCC and Industry
Canada regulations=>
page 346 . •
Check Light in the master key
The check li ght in the master key provides inform ation
about different conditions.
!
lJl
Fig. 2 6 Che ck lig ht in
t h e maste r key
The check light comes on brief ly once when a button is p ressed, and
du ring an " inquiry" by the convenience key system.
Con tro ls a nd e quip
m en t Vehicle
OP-eration
Opening and closing
If the check light does not come o n, the batte ry is dead and has to be
rep laced. In addi tion , when the batte ry is dead the • sym bol appears
in the instrument cluster d isp lay as well as the message :
Please change ke y batte ry
Battery replacement => page 39. •
Master key battery replacement
..
Fig . 2 7 R em ote
m aste r ke y: Rem ovin g
th e m ech anic al ke y
Fig. 28 Remot e
m as ter k ey: Rem oving
t he batte ry hol der
We recommend having the battery changed by an authorized
Audi dealer . However , if you wish to rep lace the dead battery
yourse lf, proceed as follows :
- P ress the release button©=> fig. 27.
~
Vehicle care Do-it-yourselt service iTechnical data
Page 42 of 364

Opening and closing
-Pull the mechanical key ® out of the master key.
- Press the release button©=>
page 39, fig. 28 on the
battery holder and at the same time pull the battery
holder out of the master key in the direction of the arrow.
- Install the new battery CR 2032 with the"+" sign facing
down.
- Push the battery holder carefully into the master key.
- Install the mechanical key.
<£> For the sake of the environment
Dispose of dead batteries properly so as not to pollute th e environ
ment.
(I] Tips
Th e replacement battery must be the same specification as the
original. •
Removing the mechanical key
-Press the release button©=> fig. 29.
Fig. 29 Remote
master key: Removing
the mechanical key
-Pull the mechanical key ® out of the master key.
Using the mechanical key, you can
• Lock and unlock* the storage compartment on the passenger's
side ~
page 87.
• Lock and unlock the vehicle manually =:> page 45 if this should not
be possible with the master key .•
Emergency unlocking of the ignition key
In the event of malfunctions in the electrical system, it
may happen that you cannot remove the ignition key.
Fig. 30 Ignition
switch with ignition
key
If you are unable to remove the ignition key, for example
because the vehicle battery is discharged, proceed as follows:
- Press the release button©=> fig. 30 for example with a
ball point pen and pull the mechanical key ® out of the
master key.
- Lock the vehicle using the mechanical key=>
page 45.
-Have the electrical system inspected by an authorized Audi
dealership. •
Page 43 of 364

Starting the vehicle with the emergency
key
I,; N 9
" :g
Fig. 31 Glove
compartment: Adapter
for emergency key
Fig. 32 Insert emer
gency key into the
adapter
- Take the adapter for the emergency key out of the glove
box ~ fig. 31.
- Push the emergency key~ fig. 32 fully into the adapter.
Make sure that the Audi rings are facing up.
- Press the emergency key in the adapter down until it
latches audibly.
- Insert the adapter with the emergency key forward into
the ign ition switch. The engine can now be started as
usual. •
Contro ls a nd e quip
m en t Vehicle
OP-eration
Opening and closing
Electronic immobilizer
The immobilizer helps to prevent unauthorized use of
your vehicle.
A computer chip inside your key automatically deactivates the elec
tronic immob ilizer when you insert the key in the ignition lock, or on
vehicles with Convenience key*, when the key is inside the vehicle .
When you remove the key from the ignition lock, or on vehicles with
Convenience key, when you remove the key from the vehicle, the elec
tronic immobilizer is automat ica lly activated once again.
& WARNING
Always take the key with you when you leave the vehicle. The key
can disarm the electronic engine immobilizer and permit an unau
thorized person to start the engine and enable operation of the
vehicle systems such as power window or power top leading to
serious personal injury .
[ i ] Tips
• Th e vehicle cannot be started if an unauthorized key is used. The
vehicle may not start if another rad io device such as a key for another
vehicle or a transponder is located on the key ring.
• For Declarat ion of Compliance to United S tates FCC and Industry
Canada regulations =>
page 346. •
Power locking system
General description
The power locking system locks or unlocks all doors and
the rear lid simultaneously.
You can lock and unlock the vehicle cent rally . You have the following
choices: .,_
Vehicle care Do-it-yourselt service Technical data
Page 44 of 364

Opening and closing
• Remote master key~ page 43
• Door hand les wi th co nve nien ce key* ~ page 44,
• Lock cyli nder at the dr iver's door~ page 45, or
• Power locking swi tch inside~
pag e 46.
Selective unlocking
When they are closed, the door and rear lid are locked. When
unloc kin g, you ca n set in the radio or in the MMI* whethe r
only the
dr iver 's door or the entire veh icle s hou ld be unlocked~
page 43.
Automatic locking
The automat ic lock ing feature locks all the vehicle doors and the rear
lid when you d rive f aster th an 9 mph (15 km/h).
The car is unlocked agai n once t he ignition key is removed . In add i
tion , the vehicle can be u nlocked if the open ing function in the power
loc king system switch o r at one of th e door levers is a ctuated. The
Auto Lock function can be turned o n and off i n the ra dio or in the
MMI * ~ page 43.
Add itionally, in the event of a crash with a irbag deployme nt the doors
are au tomatically u nlocked to allow access to the vehi cle.
Anti-theft alarm warning system
If the anti -the ft ala rm warn ing sys tem detec ts a break -in into t he
vehicle, acoustic and v isual warning s ignals are triggered .
T he anti-theft warning system is activated a utomat ica lly when you
lock the vehicle . It is deactivated w hen u nlocking using the
remote
key ,
with the mechanical key , and when you switch o n the ignition.
Th e alarm also turns off whe n the alarm cycle has ex pire d.
Turn signals
W hen you unlock the vehicle, the t urn s ignals f lash twice, when you
loc k it once. If they do not flash, one of the doors, the rear lid or the
hood is not locked .
Unintentionally locking yourself out
In the following cases the re safeguards to prevent yo u locking yo ur
remote maste r key in the vehicle:
• The veh icle does not lock with the central lock ing switch
~ page 4 6 if the d rive r's doo r is open.
• On vehicles with convenience key*, if the most recently used
maste r key is in the luggage compartment , th e re ar lid is au tomati
cally unlocked again after it is closed
~ page 47.
Do not lock yo ur vehicle wi th the remote master key u nti l all doo rs
and the rear lid are closed. In th is way you avoid locking yourself out
accidentally .
& WARNING
• When you leave the vehicle, always remove the ignition key
and take it w ith you. This will prevent passengers (children, for
example) from a ccidentally being locked in the vehicle should
they accidentally press the power locking switch in the front doors.
• Do not leave children inside the veh icle unsupervised. In an
emergency it would be impossible to open the doors from the
outs ide w ithout the key .
W Tips
• In the event of a cras h w it h ai rbag deployme nt all locked doo rs
w ill be a utomat ically un locked to give access to the vehi cle o ccupants
from the outside .
• If the power lo cking system should mal func tion, you c an lock the
dr iver 's door using the mechanical key~
page 47.
• If the power locking sys tem sho uld fail, yo u ca n s till open t he fuel
tank flap in a n emergency ~
page 278.
• You a re well advised not to keep valuables i nside a n un attended
vehicle, v isib le or not. Even a properly locked vehicle cannot provide
t he se cu rity of a sa fe. .,_
Page 45 of 364

• If the LED in the upper edge of the driver's door panel comes on
for about 30 seconds after the vehicle is locked, there is a malfunc
tion in the power locking or the anti-theft warning system . Have the
ma lfunct ion corrected by an authorized Audi dea lership or qualified
repair facility. •
Setting power locking
The driver con determine the functions for power locking
in the radio or in the MMI*.
In the Central locking menu you can dec ide which doors
should be unlocked when opening the vehicle .
- Press the
I CAR) function button.
- Select
Central locking . The Central locking menu
appears.
For example, if you switch the i tem Unlocking single door On , the
passenge r's door is no longer included in the power locking system,
and will not be unlocked by pressing the unlock button on the master
key remot e control.
You can cont in ue to unlock all the doors and the rear lid as before .
Press the opening button on the master key twice.
In addit ion to th is, the
Auto locking can be switched on and off.
When lockin g the vehicle, all doors and the trunk lid are locked auto
matically.
If you switch
Trunk lid/tailgate On, then the handle on the rear lid
=>
page 47, fig. 39 is locked. In this case the rear lid can be opened
with the button
cs on the master key=> fig. 33. If the vehicle has the
Convenience key* feature, then the handle will continue to work even
if an valid key is near the prox imity sensor.
If you select
F old mirror s* On , the automatic outside m irror fold
function is activated - the outside mirrors fold when the locking
button on the remote master key is operated {I)=>
page 73.
Contro ls a nd e quip
m en t Vehicle
OP-eration
Opening and closing
When you select Confirmation tone On, a confirmation tone sounds
when you lock the veh icle. •
Unlocking and locking the vehicle with the
remote control
Fig. 33 Remote
con trol: function
buttons
Either the driver's door only or the entire veh icle will unlock
when the unlock button © is pressed once, depending on the
settings in the radio or MM!*
Central locking menu
=>page 43.
- Press button CD(@) to unlock the vehicle=> fig. 33.
- Press button~( @) to lock the vehicle=>
& in "General
description" on
page 41.
- Press but ton c::::::s (@ ) briefly to unlock the rear lid.
- Press the button
c::::::s for at least one second to open the
rear lid.
- Push the red
I PANIC ) button( @) to activate the panic
function. The horn sounds and the turn signals flash. Push
the red [
PANIC] button again to deactivate the panic func-
tion. _.,
Vehicle care Do-it-yourselt service iTechnical data
Page 46 of 364

Opening and closing
If the vehicle is unlocked and no door, the rear lid or the hood is
opened within 60 seconds, the vehicle locks itself again automati
cally. This feature prevents the vehicle from being accidentally left
unlocked over a long period of time.
It depends on the settings in the radio or in the MMI* whether the
entire vehicle is unlocked or only certain doors=>
page 43.
On vehicles with automatic transmission*, the selector lever must be
in the P position, otherwise the vehicle cannot be locked.
& WARNING
Read and follow all WARNINGS=> & in "General description" on
page 41.
[ i ] Tips
• In order to make sure the locking function is working, you should
always keep your eye on the vehicle to make sure it is properly locked.
• Do not use the remote control if you are inside the car, otherwise
you may unintentionally lock the vehicle, and then you would set off
the anti-theft alarm when you try to start the engine or open a door.
In case th is happens anyhow, push the unlock button@.
• Use the panic function only if you are in an emergency situation. •
Applie s to vehic les: w ith conven ien ce key
Unlocking and Locking with convenience
key
The doors and the rear lid can be unlocked and locked
without operating the master key.
Unlocking vehicle
Fig. 34 Convenience
key: Unlocking vehicle
door
Fig. 35 Convenience
key: Locking the
vehicle
- Take hold of the door handle. The door is unlocked auto
matically.
- Pull the handle to open the door.
Page 47 of 364

Locking vehicle
-Move the selector lever to the P position (automatic trans
mission), otherwise the vehicle cannot be locked.
- Touch the sensor at the door handle
once~ page 44,
fig. 35 to lock the vehicle ~ & in "General description"
on
page 41 .
The vehicle can be locked and unlocked at any door. It depends on the
settings in the radio or in the MMI* whether the entire vehicle is
unlocked or one of the doors=>
page 43. The master key must be
within a range of about 1.5 m from the appropriate door or the rear
lid . It makes no difference whether the master key is in your jacket
pocket or in your brief case.
If you grip the door handle while locking, th is can adversely affect the
locking function.
It is not possible to re-open the door for a brief period directly after
closing it. This allows you to ensure that the doors are properly
locked.
& WARNING
Read and follow all WARNINGS => & in "General description " on
page 41.
[ i ] Tips
If your vehicle has been standing for an extended period, please note
the following :
• The proximity sensors are deactivated after a few days to save
powe r. You then have to pull on the door hand le once to unlock the
vehicle and a second time to open the vehicle .
• To prevent the battery from being discharged and to preserve your
vehicle's ability to start for as long as possible, the energy manage
ment system gradually switches off unnecessary convenience func-
Controls and equip
ment Safety first
Opening and closing
tions. It is possible that you w
ill not be able to unlock your vehicle
us ing these conven ience f unctions .
• For Declaration of Compliance to United States FCC and Industry
Canada regulations =>
page 346. •
Operating locks with the mechanical key
In the event of a failure of the power locking system, the
driver's door con locked and unlocked with the mechan
ical key at the lock cylinder.
To unlock the vehicle
Fig. 36 Key turns for
opening and closing
- Insert the mechanical key in to the lock of the driver's
door.
- Turn the mechanical key to position @~ fig . 36.
To lock the vehicle
- Move the selector lever to the P position (automatic trans
mission) .
- Close all windows and doors properly.
~
Vehicle care Technical data
Page 48 of 364

Opening and closing
-Tur n the me chanical key i n th e lo ck of the d river's door to
the lock position @=> & in "General descr iption" on
pag e 41.
If the power locki ng system f ail s, there is eme rge ncy locki ng for the
passenger 's door=>
page 47.
& WARNING
Read and follow all WARNINGS=> & in "General descript ion" on
page 41.
[IJ Tips
• After the ignit ion is swi tched on, the power locking sys tem swi tch
and the unlocking button for the rear lid
c;:; i n the door are enabled .•
Locking and unlocking the vehicle from
inside
Fig . 37 D river 's door :
power lo cking switch
- Press the b utto n @ to lo ck the vehicl e=> & .
- Press the but ton
63 to u nloc k the veh icle => fig. 37.
If you lock the vehicle using the power locking switch , please note
t he following:
• If a door is open, the veh icle cannot be locked using the power
loc kin g system switch.
• You ca nnot open the doors or the rear lid from the
outside
(increased security, for examp le when you are sto pped at a red light).
• The diodes in the power loc king switch ill uminate when a ll the
doors are close d an d lock ed .
• You can unlock and open the doors from the inside by p ulling on
t he doo r handle .
• If yo u have a crash and the airbag is activated, the doors automat
ically unlo ck.
& WARNING
• The power locking switch works with the ignition off and auto
matically locks the entire vehicle when it is actuated .
• On a vehicle locked from the outside the power locking system
switch is inoperati ve.
• Locking doors from the inside can help prevent inadvertent
door opening during an accident and can al so prevent unwanted
entry from the outside. Locked doors can, however, delay assis
tance to vehicle occupants and hold up rescue efforts from the outside in an accident or other emergency .
[IJ Tips
Your vehicle is loc ked automatically at a speed of 9 mph ( 15 km/h)
(Auto Lock)=>
page 41. You can unlock t he vehicle again using the
openi ng f unction in the power loc king system sw itch. •