2015 AUDI S6 key battery

14 Instruments and warning/indicator lights
Tire pressure monitoring sys­
tem./ ¢ page267
Tire pressure monitoring sys­
tem q page 267
Electronic power control./ (a l­
ternative to
1,1 )
qpage 20
Glow plug system
(alternat ive to
Ga)
qpage 21
Malfunction indicator Lamp
(MIL) ./
¢ page 21
Diesel particulate filter* clog­
ged
q page 21
Engine speed limitation
q page 21
Engine oil leve l
qpage 18
Engine oil sensor
qpage22
Battery
q page 17
Tank system q page 22
Windshield washer fluid level q page22
Windshield wipers
q page 22
/:
Headlight range control
q page22
adaptive light*
qpage22 Light-/rain sensor faulty
q page23
Audi active lane assist*
¢ page94
Transm ission
¢ page 112
Transm ission
¢ page 112
Transm ission
- S tronic
¢ page 112
Electronic steering column lock
q page 18
Engine start system
q page 18
Central indicator light
qpage 19
Electromechanical steering, dy ­
namic steering*./
q page 197
Ai r suspension*
¢page 18
Sport different ial*
¢ page 23
Refill Ad Blue*
q page 218
AdBlue ma lfunction*
q page 218
Remote control key
q page 74
Other indicator lights
y>))
Remote control key
q page
76
Battery in remote control key
q page 32
Defective light bulb warn ing
q page 22
Rear fog light(s)
q page22
,-------------
Turn signa ls
¢ page23
USA models: Cruise control*
¢ page82
Canada models: Cruise control*
q page82
Adaptive cruise control*
qpage86
Adaptive cruise control*
q page86

32 Opening and clo sing
Remov ing the mechanical key
Fig. 18 Remote control master key: remo vin g the me­
ch ani cal key
> Press the release button @c::> fig. 18.
.. Pull the mecha nica l key @ out of the master
key.
Using the mechan ica l key, you can:
- lock and unlock the storage compartment
on the passenger's side
c::> page 60 .
-lock and unlock the vehicle manually
<=>page 36.
-lock the front and rear passenger doors me­
chanically
c::> page 37.
Master key battery replacement
Fig . 19 Remote mas ter key: Removing the batter y
ho lder
Ch eck light in the master ke y
The check light @in the master key provides
information about d ifferent cond itions .
.. The check light comes on briefly once when
a button is pressed , and during an "inquiry"
by the convenience key system .
> If the check light does not come on, the bat­
tery is dead and has to be rep laced . In addi­
t ion, when the battery is dead the
II sym ­
bol appears in the instrument cluster dis- play as well as the message:
Plea
se ch ange
key b attery.
Ma ster key battery replacement
• Pull the mechanical key out of the master
key
c::> page 32 .
.. Press the release button @ 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
maste r key .
• Insta ll the mechan ica l key.
@ For the sake of the environment
D ispose of dead batteries properly so as
not to poll ute 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 ins ide your key automatically
deactivates the electron ic immobilizer when
the key is inside the vehicle . When you remove
the key from the vehicle, the electron ic immo­
bilizer is automatically ac tivated once aga in .
_& WARNING
-
A lways take the key with you when you
l eave the vehicle . T he key can disarm the
e lectronic engine immobilize r and permi t
an unauthorized person to start the engine
and enable operation of the vehicle sys­
tems such as power window or power sun­
roof leadi ng to serious personal injury.
(D Tips
- The vehicle cannot be started if an una u­
thorized key is used . The vehicle may not
start if another radio device s uch as a key "'

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If the vehicle is unlocked and no door, the rear
lid or the hood is opened within 60 seconds ,
the vehicle locks itself aga in automatically.
This feat ure prevents the ve hicle from be ing
accidentally left unlocked over
a long period
of t ime.
It depends on the settings in the MMI wheth­
er the entire veh icle is unlocked or on ly cer­
t ain doors
Q page 34.
A WARNING
Read and follow all WARNINGS¢.&. in
General description on page 33 .
- In order to make sure the locking func­
tion is working, you shou ld always keep
your eye on the vehicle to make sure it is
properly locked .
-
-Do not use the remote control if you are
i nside the car, otherwise you may unin ­
tentiona lly lock the vehicle, and then you
would set off the anti-t heft ala rm when
you try to s tart the engi ne or open a
doo r. In c ase this happe ns anyhow, push
the un lo ck button
m .
- The vehicle can only be locked whe n the
se lector lever is in the P posit ion .
- Use the panic funct io n only if you are in
an emergency si tu at ion .
Locking and unlocking with convenience
key
Applies to vehicles: with conven ience key
The doors and the rear lid can be unlocked
and locked without operating the master key.
F ig. 2 1 Conve nie n ce key : Lock ing t he ve hicle
Opening and clo sin g 35
Unlocking vehicle
.,. Take ho ld of the door handle . T he door is un-
loc ked automatically .
.,. Pull the handle to open the door.
Locking vehicle
.,. Sele ct the P se lecto r lever posit ion. Othe r­
w ise the vehicle canno t be lo cked.
.,. To lock the ve hicle, close the door and touch
the sensor in the door handle
once Q fig . 21 .
Do not reach inside the door handle.
T he veh icle can be locke d an d unl ocke d at any
doo r. The master key mus t 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 .
It is not possib le to re -ope n the doo r for a
brief period directly after closi ng it. This a l­
l ows you to ensure that the doors are properly
locked.
It depends on the settings in the MMI wheth­
er the enti re vehi cle is unloc ked or one of the
doors
Q page 34.
A WARNING
Read and follow all WARNINGS Q .&. in
General description on page 33 .
(D Tips
If your vehicle has been sta nding for an ex­
tended period, please note the following:
- The p rox imity sensors a re deactivate d af-
ter a few days to save power. You then
have to pull on the door handle once to
unlock the vehicle and a second t ime to
open the vehicle.
- To prevent the battery from being d is­
charged and to preserve your vehicle 's
ability to start for as long as possib le,
the energy management sys tem grad u­
ally switc hes off unnecessary conven­
ie nce func tions. It is possib le th at you
w ill not be ab le to unlo ck you r ve hicle us-
ing these convenience func tions.
1J1>

40 Opening and clo sing
What to do after a malfunction
The one-touch open and close function must
be reactivated if the battery has been discon­
nected .
,. Pull and hold the power window switch until
the window is fully closed .
,. Release the switch and then pull it again for
at least one second.
Valet parking
The valet parking feature protects the lug­
gage compartment from unauthorized ac­ cess.
Fig. 32 Luggage compartment : valet park ing button
W ith "valet parking" activated, the rear lid
cannot be opened.
... Remove the mechan ical key
¢ page 32.
"' Open the glove compartment and activate
<=> fig. 32 the "valet parking" feature by
pressing the
I VA LET I button. The ind icator
light in the switch illuminates .
,. Close the glove compartment and lock it
with the mechanica l key .
"' Lock both rea r seatbacks with the mechani­
c a l key ¢
page 64.
"' Leave the master key wi th the service per­
sonnel for parking and keep the mechanical
key with you.
When the "vale t parking" fea ture is activa ted :
- the u nlocking button for the rear lid c:;, in
the d river's doo r is inactive
- the b utton c:;, on the maste r key is inact ive
- the opening hand le in the rear lid is inactive. T
he vehicle can be driven and locked and un­
locked with the master key . Access to the lug­
gage compartment is b locked .
When the valet pa rking func tion is switched
on, the message
Valet parking acti vated ap ­
pears in the instrument cluste r display when
you sw itch the ignition on .
Sliding/tilting sunroof
Operation
Fig . 33 Sect io n of th e headl iner : Sl idi ng/t ilti ng su nroof
but ton
@ Tilting and sliding
,. To t ilt the sunroof completely , press the
sw itch br iefly to the second level b riefly.
"' To close the su nroof comp letely, pull the
sw itch br iefly to the second level¢,& .
"' To select an intermediate pos it ion, press/
pull the switch to the first level until t he de­
sired position is reached.
@ Opening /sliding (version 1 )
"'To move the roof into the reduced w ind
noise posit ion, press the button back brief ly
to the second leve l. The roof will ope n all
the way if you press the button back to the second level again .
"' To close the sunroof completely, press the
sw itch forward briefly to the second level
¢ £ .
,. To select an intermediate pos it ion, press/
pull the switch forwa rd/back to the first lev­
el unti l the desired posi tion is reached.
@ Opening /sliding (version 2)
"' To open the sunroof completely, p ress the
sw itch back to j ust before the second level. ..,_

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12-volt sockets
Applies to vehicles: with 12-volt sockets
Fig. 59 Section of the trim panel of the luggage com ·
partment: 12-volt socket
Fig . 60 Rear center console: 12-volt socket
~ To reach the 12-volt socket in the luggage
compartment, press the net down
<=> fig. 59.
There is an additional 12-volt socket in the front and rear center console
c:> fig. 60.
The 12-volt sockets can be used for electrical
accessories . T he power input must not exceed
120 watts.
Before you purchase any accessories, always
read and fo llow the information in
c:> page 294, Additional accessories and parts
replacement.
_& WARNING
The sockets and the electr ical accessories
connected to them operate on ly when the
ignition is switched on . Incorrect usage
can lead to serious injuries or burns. To re­
duce the risk of injuries, never leave chil·
dren unattended in the vehicle with the ve­
hicle key.
S ea ts a nd s to rage 59
(D Note
To avoid damaging the socket, only use
plugs that fit properly.
- Never connect equipment that generates
electrical current, such as a solar pane l
or battery charger, to the 12-vo lt socket.
This could damage the vehicle's electri­ cal system.
- The 12-vo lt socket should only be used
for a short period of ti me as a power
source for electrical equ ipment. Please
use the electr ical sockets in the vehicle
when con necting equ ipment for longer
periods.
- To avoid damaging the socket, only use
plugs that fit properly.
(D Tips
When the engine is off and accessories are
still plugged in and are on, the vehicle ba t­
tery can still be d rained.
Storage
(upholder
Fi g. 61 Ce nter console: cupholder
Fig. 62 Rear center armrest: cupholde r• extended

76 On the road
compartment is additionally heated by
the sun's rays.
(D Note
Do not stop the engine immediate ly after
hard or extended driving. Keep the engine r un ning for approximately two minutes to
prevent excessive heat build -up.
Driver message in the instrument
cluster display
Turn off ignition before leaving car
This message appears and a warning tone
sounds if you open the dr iver 's door when the
i gnit ion is switched on .
Press brake pedal to start engine
This message appears if you press the
I START ENGINE STOP! button to start the en­
gine and do not depress the brake peda l. The
engine can on ly be started if the brake pedal
is depressed.
Ill Is key in the vehicle?
If the indicator light turns on and the mes­
sage appears, the remote control key was re­
moved from the vehicle while the engine was
running . If the ignition key is not in the vehi­
cle you will not be ab le to switch on the igni­
tion or restart the engine after it has been
switched off. You w ill also not be able to lock
the vehicle from the outside .
Shift to P, otherwise vehicle can roll away.
Doors do not lock if lever is not in P.
This message appears for sa fe ty reasons
a long with an audib le warning tone if the P
selector lever position is not engaged when
stopping the engine with the
I STAR T ENGIN E ST OP ! button . Select the P se­
lector lever position . Otherwise the vehicle
could roll and it can not be locked .
II Key is not recognized. Hold back of key
against marked area . See owner's manual.
If the indicator light turns on and this mes­
sage appears, there is a malfunction
¢ page 76.
Turn off ignition before leaving car. Battery
is discharging
T h is message appears if the driver's door is
opened while the ignition is switched on. Al­
ways switch off the ignit ion if you are leav ing
the vehicle . See also ¢
page 80.
Shift to P and turn off ignition before leav­
ing car, otherwise vehicle can roll away
This message appears if the driver's door is
opened wh ile the ignition is switched on and
the selec tor lever is not in the P position. Shift
the selec tor lever into the P position and
swi tch off the ignition when you exit the vehi­
cle. Otherwise the vehicle could roll . See also
¢ page 80.
Starting the engine if there is a
malfunction
It may not be possible to start the engine un­
der cer tain circums tances, for example if the
ba ttery in the vehicle key is drained, if in ter­
ference hos affected the key or if there is a
system malfunction .
Fig. 78 Center co nsol e/master key: star ting the eng ine
i f the re is a mal funct ion
Requirement: The message Key not recog­
nized. Hold back of key against marked area.
See owner's manual.
must appear and the in­
dicator light
II must sw itch on .
.,. Hold the master key vertically in the loca­
tion indicated
f >l) ¢ fig . 78 .
.,. Press the brake pedal ¢ A in Starting the
engine on page
75 .

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@ Tips
-Side assist is not active while you are
making the adjustment.
- Your settings are automatically stored
and assigned to the remote control key
being used.
Driver messages
Applies to vehicles: with side assist
If side assist switches off by itself, the LED in
the button turns off and a message will ap­
pear in the instrument cluster display:
Audi side assist: Currently unavailable. No
sensor vision
The radar sensors' vision is affected. Do not
cover the area in front of the sensors with bike
wheels, stickers, dirt or other objects. Clean
the area in front of the sensors, if necessary
c>page97, fig.103.
Audi side assist: Currently unavailable
Side assist cannot be switched on temporarily
because there is a malfunction (for example,
the battery charge level may be too low).
Audi side assist: System fault!
The system cannot guarantee that it will de ­
tect vehicles correctly and it is switched off .
The sensors have been displaced or are faulty.
Have the system checked by an authorized
Audi dealer or authorized Audi Service Facility
soon.
Audi side assist: Unavailable when towing.
Side assist switches off automatically when a
factory-installed trailer hitch is connected to
the electrical connector on the trailer. There is
no guarantee the system will switch off when
using a retrofitted trailer hitch. Do not use
side assist when towing a trailer.
Audi side assist 99

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No. Equ ipment Amps
8
Headlight range adjustment/ 5/7,5
adaptive lighting system
10
Left headlight (headlight with 7,5 adaptive light)
11 Supplementary heater s
Fuse p anel @ (b ro w n)
No . Equipment Amps
1 Climate control 10
2
Climate control system blower 40
3
Diagnostic interface 10
4
E lectrical ignition lock 5
5
Power steering column adjust-
ment
5
6 Steering column switch module 10
7
Power steering column adjust-
ment
25
8 Light switch 5
Luggage compartment fuse assignment
Fig . 217 Luggage compa rtmen t: fuse panel wit h p las ­
tic bracket
Fuse p anel @ (black )
No. Equipment Amps
4 Electromechan ical parking brake 30
5
Electromechanical parking brake 30
6
Front door (front passenge r's
30 s ide)
7 Rear exterior light ing 30
Rea r sun shade, closing aid, lug-
8
gage compartment lock, con-
20 venience key, START ENGINE
STOP, fuel filler door
Fu se s and bulb s 281
No. Equipment Amps
9 Power seat adjustment 15
10
Parking system 5
11
Rear seat heating 30
Fu se p an el@ (r e d )
No . Equipment Amps
1 Left belt tensioner 25
2
Right belt tensioner 25
3
Socket/cigarette lighter 20
4
Socket 20
5
Electromechanical parking brake 5
6 adaptive air suspension 15
7
Rear door (front passenger's
30 side)
8 Rear exterior lighting 30
9
Luggage compartment lid con-
30 trol modu le
10 Telephone 5
11
Sound amplifier 30
12
Rear spoiler (Sportback) 20
Fuse panel© (brown)
No . Equ ipment Amps
1
Radio receiver, Sound amplifier/
30/20
MMI unit/drives
2 Tank leak detection system 5
4
AEM control module/battery 10/15
module
6 Battery fan 35
7
Rad io receiver 7,5
8 Rear Seat Entertainment 7,5
9
Automatic d imm ing interior 5/15
rearview mirror/battery module
10 Parking system 5
Fu se pan el@ (gr ee n)
No . Equipment Amps
1 pre sense s
2 Electromechanical parking brake 5
3
adaptive air suspension 5
4 Automatic transmission 7,5