AUDI A6 2011 Service Manual

Check Light in the master key
The check light in the master key provides information
about different conditions.
Check light functions in the master key :
Vehicle within range of the key
Fig . 25 C heck lig ht in
the m aster k ey
If the vehicle is w ith in range of the key, the check light comes on
briefly once w hen a button is pressed.
Vehicle outside the range of the key
If the veh icle is outside t he range of the key, the c hec k light comes on
briefly once and then shows the status of the vehicle door locks:
• If the light is fl as hi ng q uickly, the veh icle is not locked.
• If the light is f lashing slow ly, the vehicle is locked .
State of master key battery
If the check light does not come on, the battery is dea d and has to be
replaced . I n addition, when the battery is dead the symbol appea rs
i n the instrument cluste r display as well as the message :
Please replace ma ster ke y battery
Battery replacement~ page 39.
Con tro ls a nd e quip ­
m en t Vehicle
OP-eration
Opening and closing
(I) Tips
Please note that the c urrent state of the vehicle doo r locks can only
be recalled wit h the master key t hat was last used to lock the vehicle.
It is poss ib le tha t a d ifferen t state is shown fo r the door lo cks on the
other master key which is not the same as that of the vehicle .•
Master key battery replacement
Each mas ter key contains a battery hous ed under th e
cover.
Fi g. 26 Master key:
o pe ning the c ove r
We reco mmend having the ba ttery chang ed by an au thori zed
dealer ship . However , if you wi sh to replace th e dead b atte ry
yourse lf, proc eed as follows :
- Pry apart the base~ fig. 26 @and the
cover @carefully
with a c oin.
- Remove the cover (arrow).
- Remove the dead battery from the cover .
- Install th e new ba ttery . Please make c ertain that the"+"
sign on t he ba ttery faces down . Correct po lar ity is shown
o n the cover. .,,.
Vehicle care Do-it-yourselt service iTechnical data

Open ing and closing
- Place the cover w ith th e new battery on the key base and
press both parts together.
c£> For the s ake of the environment
Dispose of dead batteries proper ly so as not to po llute the envi ron ­
me nt.
00 Tips
The replacement battery must be the same specification as the
orig inal. •
Electronic immobilizer
The immobilizer helps to prevent unauthorized use of
your vehicle.
A compu ter chip inside you r key au tomatically deactivates the e lec­
tron ic 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 ign ition lock, or on veh icles with
Conven ience key, when you remove the key from the vehicle, the elec­
tron ic immobil izer is a utomat ica lly activated once again.
& WARNING
A lway s ta ke the ke y w ith you when you l eav e the vehicle . Th e key
can di sa rm the e lect roni c engine immobilizer and pe rmit an un au­
thori zed p erso n t o start the eng ine a nd enable operation of the
v ehi cle sy stems su ch a s pow er w indo w or p ow er sunroof* l eading
to seriou s per sonal injur y.
00 Tips
• The veh icle cannot be started if an unauthori zed key is used. The
vehicle may not start if another radio device su ch as a key for another
vehicle o r a transponder is located on the key ring .
• For Declaration of Compliance to United S tat es FCC and Industry
Canada regulations =>
page 349. •
Valet key function
The valet key function prevents unauthorized persons
from opening the glove compartment or rear lid.
,~ • F ig. 27 Ce nter
co nsole: button for
valet key functio n
Activating and deactivating th e function
- Insert the master key into the igni tion lock and switch on
the ignition.
- Press the
!VALET] button ~ fig. 27 to activate/ deacti­
vate the function as desired. The in dicator light in the
button il luminates whe n the funct ion is ac tive.
- Remove the master key from the ignition lock. - Hand over only the
valet key~ page 37, fig. 23 to the
person who will take charge of the vehicle .

When the function is switched on, the buttons for opening the rear lid
and glove compartment have no function. However, please note the
following except ions:
Exceptions
If the ignition has been switched on using the master key, you can
st ill open the g love compartment.
As long as the ign it ion is switched off, you can st ill open the rear lid
using the rear lid button on the
master key c:s . The same holds true
for using the rear lid release handle in co njunction w ith the Conve­
nience key*.
For this reason, be sure to only hand over the
valet key to the person
who will take charge of your vehicle .
[ i ] Tips
Be sure to activate the function before handing over the valet key to
someone e lse. The va let key on ly fits the lock in the driver's door and
the ignition lock.•
Power locking system
General description
The power locking system locks or unlocks all doors and
the rear lid simultaneously .
The power locking system in your vehicle incorporates the following
functions :
• Centra l locking function
• Selective unlock feature:::::;,
page 44
• Remote control feature:::::;,
page 38
• Convenience key*:::::;, page 47
• Anti-theft alarm system:::::;, page 49
Controls and equip ­
ment Safety first
Opening and closing
All the doors and the rear lid are
locked by the central locking system
when you lock the veh icle. Yo u can set whether generally only the
dr iver's door or all doors and the rear lid should be unlocked when you
open the vehicle in the MMI menu
Central locking to suit your indi­
vidual desires:::::;,
page 44 .
Unlocking the vehicle
You can unlock the vehicle from outside either by using the remote
control
or by inserting and turning the key in the driver's door lock.
When you
unlock your vehicle:
• The anti-theft alarm system is deactivated briefly .
• Th e vehicle interior lights illuminate for approximately 30
seconds .
• All turn signal lights will flash twice when the car is unlocked .
• After un locking the veh icle, you have 60 seconds to open a door or
the rear lid. After 60 seconds, the vehicle automatically locks and the
anti-theft alarm system activates again.
The rear lid can be locked or unlocked e ither by using the remote
control
or by inserting and turning the key in the driver's door lock.
Unlocking the vehicle with the remote control will only
unlock the
rear lid, to
open it, the lid handle needs to be pressed.
Locking the vehicle
You can lock the vehicle from outside either by using the remote
cont rol
or by inserting and turning the key in the drivers's door lock .
When you
lock the vehicle:
• All doors and the rear lid are locked .
• All turn signal lights will flash once when the car is locked.
• Th e anti-theft alarm system is activated. The horn of the anti­
theft a larm system wi ll sound and the anti-theft a larm system readi­
ness light, located in the upper part of the driver's door panel, w ill
start to blink.
• T he vehicle interior lights turn off.
Vehicle care Technical data

Opening and closing
Unlocking and locking with Convenien ce key *
On vehicles wh ich a re equipped with the Con venience key* a uthoriza ­
t ion system, the doo rs a re unlocked
without a key by means of a prox­
im ity sensor in the door handle . The doors are s imilarly locked
without a key us ing the locking button . Eac h door has a prox imity
sensor and a locking button.
Automat ic locking
T he a utomatic locking feature locks all t he vehicle doo rs and the rea r
lid when you d rive faste r than 9 mph (15 km/h). This funct ion can be
t u rned on and off in the MMI
Central locking Men u:::) page 44 .
You ca n unlo ck the vehi cle from the ins ide by:
• removing the key from the ignit ion sw itch (the ve hicle w ill auto­
matically un lock itself) or
• pressing the unlock part of the power lock switch
!i::il or
pulling the door handle (twice to open the rear doo rs) .
& WARNING
• When you lock your vehi cle from outside, nobody · especially
children -should remain inside the vehicle . Remember, when you
lock the vehicle from the out side the windows cannot be opened
from the inside .
• When you leave the vehicle, always remove the ignition key
and take it with you. This w ill prevent passengers (children, for
example ) from accidentally being locked in the vehicle should
they accidentally press the power locking switch in the front doors.
• Do not leave children ins ide the vehicle unsuperv ised . In an
emergency it would be impossible to open the doo rs from the
outside without the key .
[I] Tips
• In the event of a cras h w it h ai rbag deploy ment all locked doo rs
w ill be automatically u nlocked to give access to t he vehicle occupants
from t he outside .
• If the power lock ing system should malfunction, you ca n lock each
door ind iv id u ally using the ve hicl e key :::)
page 45.
• If the power locking system sho uld fail, yo u can still open t he fuel
t ank flap in a n emergency:::)
page 277 .
• You a re we ll a dvised not to keep v aluables ins ide an unatten ded
veh icle, v isib le or not. Even a properly locked veh icle cannot provide
the security of a safe. •
Unlocking and locking the vehicle with the
remote control
How the remote control works.
Fig. 28 R emote
control : fu nctio n
bu ttons
Whether on ly the d river's door or the entire vehicle is
u nlocked w hen t he open ing but ton @ is pressed once,
depe nds o n the s ettings in the MM I
Central locking menu
~ page
44.

To unlock the vehicle m
- Press button @.
- Press button@
two times within two seconds to unlock
all do ors and the r ear lid .
To lo ck the v ehicl e G'.i
- Press button @ ~ & in "General description" on
page 41.
- Watch that all turn signal lights flash once.
To unlock rear lid only c;:;
- Press button @for approximately one second.
PANIC Button
- Push the red button @ to activate the panic function. The
horn sounds and the turn signals flash.
- Push the button @ again to deactivate the panic function.
On vehicles with Convenience key*, the selector lever must be in the P
position, otherwise the vehicle cannot be locked.
& WAR NING
Re ad an d foll ow all WA RNING S=> & in "Ge neral desc ripti on " o n
pag e 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 contro l if you are inside the car, otherwise
you may un intent ionally lock the veh icle, and then you would set off
Controls and equip ­
ment Safety first
Op
ening and closing
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
m.
• Use the panic function only if you are in an emergency situat ion. •
Operating Locks with the key
To lock and unlock the vehicle from the outside, turn the
key in the lock of the driver's door .
,1~
ff-=- -= =--OO~j @
To unlock the vehicle
Fig. 29 Key turns for
ope ning and closing.
- Insert the key into the lock of the driver's door.
- Turn the key
one time to pos ition @ to unlock the driver's
door .
- Turn the key
two times to position @~ fig. 29 to unlock
all doors and the rear lid.
To lock the vehicle
- Close all windows and doors properly.
- Turn the key in the lock of the driver's door to the lock
position @~
& in "General description" on page 41.
Vehicle care Technical data

Opening and closing
& WARNING
Read and follow all WARNINGS~ & in "General description " on
page 41 . •
Settings in the MMI
Selective unlock feature -the driver can determine in the
MMI which doors are unlocked through the central
locking system.
- Select: Funct ion button [C AR]> Systems *> Central
locking.
In the Central locking menu you can determine whic h doors should
be unlocked when you unlock t he vehicle with the remote control. For
example , if you switch the item passenger's door
Off , th e passenger's
door is no longer included in the centra l locking system, and w ill not
be unlocked by pressing the un lock button on the master key remote
con trol.
There is also a
side selecti ve unlocking option available that can be
set to fit your nee ds. You can continue to unlock all the doors and the
rear lid as befo re . Press the open ing button on the master key twice.
Auto locking can a lso be switched On and Off .
(I) Tips
When locking, a ll doors and the trunk lid are locked automatically. •
Locking and unlocking the vehicle from
inside
The vehicle can be locked or unlock ed from the inside
using the power locking switches.
Fi g. 3 0 F ron t do ors:
powe r lock ing sw it c h
Fig. 3 1 Rear d oors:
p owe r loc kin g sw itch
How to lock all doors and the rear lid
simultaneously
- Press lower part of the powe r locking switch @=> & .
How to unlock all doors and the rear lid
simultaneously
- Press the uppe r part of the switch@.

How to unlock each door separately using the
door handle (front doors)
- Pull the handle to open t he door .
How to unlock each door separately using the
door handle (rear doors)
- Pull the door handle once to release the loc k.
- Pull t he handl e
twice to open th e door.
You will find a power locking sw itch in ea ch door. You c an lock and
unlock the vehicle using the switches in the dr iver's or passenger's
door =>
page 44, fig. 30. Yo u can only lock the vehicle using the
switches in the rear doors =>
page 44, fig. 31. If you lock the vehicle
using t he
power locking switch , please note the following :
• You can not op en the doors or the rea r lid from the
outside
(increased secur ity, for example when you are sto pped at a red light).
• The d iodes in the power lock ing switches illuminate whe n all the
doors and the rear lid are closed and loc ked .
• All d iodes turn dark as soon as one of the doors has bee n
unlocked .
• You can unlock and open the doors from the inside by pulling on
t he doo r handle .
• If the driver's door is opened (after you have locked the vehicle
from the inside using the power locking switch), the door will rema in
unlocked to preve nt you from locking yourself out of your vehicle .
After you close t he door, you have to lo ck the drive r's door ag ain.
• If you have a crash and the airbag is activated, the doors automat­
i c ally unlo ck.
& WARNING
• If you use the power locking switch with the doors closed,
remember th at all the vehicle doo rs will lock.
Con tro ls a nd e quip ­
m en t Vehicle
OP-eration
Opening and closing
& WARNI NG (continued )
• Locking doors from the inside can help p revent inadvertent
door opening during an accident and can also prevent unwanted
entry from the outside. Locked doo rs can, however , delay assis­
tance to vehicle occupants and hold up rescue efforts from the outside in an accident or other emergency .•
Emergency Locking
If the central locking system fails (power sup ply), each
d oor has to be locked separately .
5 0 N tL ;g
Fig. 32 E mergen cy
l o ck ing o f the front
p ass eng er's door
An e mergency lock ing mechan is m is i nte gra ted i n the edg e of
th e pass enge r's door a nd in the rear doo rs ( on ly v isibl e wh en
t h e door is open) .
- Turn the cover with t he ignit ion key and then ti lt the cover
downward=> fig. 32.
- Insert the key into the inner slot and tur n it to the right
( r ight-side doors) or the left (left-side door) as far as it can
g o.
After you close the door, you w ill no longer be ab le to open it from the
o uts ide. _.,
Vehicle care Do-it-yourselt service iTechnical data

Opening and closing
The door can be opened from the inside by pulling once respectively
twice ( rear doors) on the doo r handle.
If the ch ild safety lock is
engaged in one of the rear doors, the door has to be opened from the
outs ide after pul ling o n the handle once from the inside. •
Rear lid
Opening and closing rear lid
You can open the rear lid from inside the vehicle usi ng a
s w itch in th e driver's door.
Fig. 33 Driv er' s do or:
re m ote rea r lid re lea se
Fig. 3 4 Posi tion of
han dle in t he rea r li d
Opening the rear lid
- Press t he center button ?::5 on the master key or pull th e
r e lease button
?::5 in the driv er 's door=:> fig. 33. The rear
lid is u nlocked and ope ns.
Closing the rear lid
- Pull t he rear lid dow n and allow it to drop gently into the
latch =:>&, .
& WARNING
• After closing the rear lid , always pull up on it to make sure that
it is prop erly closed. Otherwise it could open suddenly when the
vehicle is mo ving.
• To help prevent poisonous exhaust gas from being drawn into
the vehicle , always keep the rear lid closed while driving. Never
transport objects larger than tho se which fit completely into the
luggage area, because then the rear lid cannot be fully closed .
• Never leave your vehicle unattended especially 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 injury, ne ve r let ch ildren
play in or around your veh icle . Always keep the rear lid as well a s
the vehicle doors closed when not in use.
• Alway s ensure that no one is within range of th e rear lid when
i t is mov ing , in particular clos e to the h inges· fingers or hands can
be pinched .
(I) Tips
• If the rear l id is open or not properly close d w hen t he ig nit ion is
turned on, the door and rear lid warning~
page 21 appears in the
ins trumen t cluste r dis play .
• Should you not be able to open the rear lid as described, make sure
t he valet key f unct io n is not activa ted ~
page 40. ..

• If the central locking system fails (power supply), you can also
open the rear lid using the trunk escape handle from the inside
~page318. a
Child safety lock
Power child safety lock for the rear doors t
The power child safety lock prevents the rear doors from
being opened from the inside.
Fig. 35 Section from
driver's door: controls
The rear doors are equipped with a power child safety lock. It
is operated with the two safety buttons(!) in the driver's door
~ fig. 35.
- Press the left and/or right safety button to disable the
rear power window(s) and prevent the respective rear door
from being opened from the inside. The LED in the button
will light up when the child safety lock is turned
on.
- Press the illuminated button again to turn the child safety
features
off.
When the child safety lock is activated, the interior door opening
lever is inope rative; the door can only be opened from the outside. In
Contro ls a nd e quip ­
m en t Vehicle
OP-eration
Opening and closing
addition, the window regulator for that door is also inoperative when
the child safety lock is activated.
[ i] Tips
• In order to activate the child safety lock on the left and the right
side, you have to press the two safety buttons in succession.
• Make certain that the check light comes on in the corresponding
safety switch when the child safety lock is activated. •
Convenience key
Ap plies to v ehicles: w ith Con ven ience key
Description
Access and vehicle operation based on: Master key
remains in driver's pocket.
Th e Convenience key vehicle authorization system allows keyless
unlocking, locking and starting of the vehicle . You only have to carry
the master key on your person.
It makes nod ifference whether the master key is in your jacket pocket
or in your brief case. As soon as you approach your vehicle, the Conve­
nience key recognizes the request for access , checks for authorization
and enables the following functions:
• Unlocking the vehicle~
page 48.
• Locking the vehicle~ page 49.
• Switching on ignition and starting the engine by pressing the
[START ) button; the master key does not have to be in the ignition
switch ~
page 110.
& WARNING
• When you lock your vehicle from outside, nobody -especially
children -should remain inside the vehicle. Remember, when you .,_
Vehicle care Do-it-yourselt service iTechnical data

Opening and closing
& WARNING (conti nu ed )
lock the vehicle from the outs ide the windows cannot be opened
from the inside .
• When you leave the vehicle, always remo ve the ignition key
and take it with you. This w ill prevent passengers (children, for
e x ample ) from accidentally being locked in the vehicle should
they accidentally pre ss the power locking switch in the front
doors .
• Do not leave children ins ide the vehicle unsupervised . In an
emergency it would be impossible to open the doo rs from the
out side without the key .
[JJ Tips
• In order for Conve nien ce key to fu nction, yo u m ust alw ays carry
the master key with you.
• In order to be able to un lock or lo ck the vehicle, the aut hori ze d
master key must be within a range o f about 1.5 meters from the door
or the re a r lid.
• Of co urse, yo u can still unlock and lock your veh icle us ing the
bu ttons on the ma ste r k ey. The se lec tor lever mus t be in t he P posi­
tion.
• For Declaration of Compliance to United States FCC and Industry
Canada regulations =>
page 349. •
Applie s to ve hicles : with Conve nien ce key
Unlocking the vehicle
The doors and the rear lid can be unlocked without oper ­
ating the m aster key.
Fig. 36 Co nv en ience
key : u nlo cki ng vehicle
d oor
- Take hold of the door hand le. The doo r is unlocked auto -
matical ly .
- P ull the ha ndle to open t he door.
A door is un lo ck ed as soon as yo u approach t he door handle and the
system recognizes an authori zed maste r key. The vehicle can be
unlocked at a ny door. The autho rized master key on ly has to be within
a range of about S feet ( 1.5 meters) from t he respect ive door .
When a door is un locked, the drive r's door is always unlocked as we ll.
It depends on the settings in t he central lo cking menu in t he M MI
w hether the ent ire vehicle is unlocked or only certain doors
:::> page 44.
[JJ Tips
If yo ur ve hicle has been stand ing for an extende d perio d, p lease note
the following: .,,,