2013 AUDI S4 Owners Manual

In o rder to connect the special diagnostic
equipment, push the plug into the Data Link
Connector (DLC) . The DLC is located to the
right of the hood release ¢
fig. 18.
Your authorized A udi dealer or qualified work­
shop can interpret the code and perform the necessary repa ir.
A WARNING
Do not use the diagnostic connector for
personal use. Incorrect usage can cause
malfunctions, which can increase the risk
of a coll is ion!
Electronic speed limiter
-
Your veh icle may be factory equipped with
tires that are rated for a maximum speed of 130 mph (210 km/ h). Thi s is may be less than
the maximum speed of your ve hicle. To red uce
the risk of sudden ti re failure and loss of con ­
trol if the vehicle is operated at excessive
speeds, your vehicle has an e lectronic speed
limiter. The electronic speed limiter prevents
your veh icle from going faster than the t ire
speed rat ing . For more informat ion
¢ page 246 .
If the engine control unit rece ives fa ulty vehi ­
cle roadspeed signa ls, the Ma lfunction Indica­
tor Light (MIL)
¢..ij w ill illuminate . If this oc­
curs, contact the nearest authorized Audi
deale r for assistance.
A WARNING
-
Always observe the posted speed limits
and ad just yo ur speed to suit p revail ing
road, t raff ic and weather conditions . Never
drive your vehicle faster than the maxi ­
mum speed rating of the tires insta lled .
Dri ver information di spla y 31

32 Openin g and clo sing
Opening and closing
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 centrally.
You have the following choices:
- Remote master key~
page 35,
-Door handles with convenience key*
~page 36,
-Lock cy linder at the dr iver's door
~ page 38, or
- Power loc king switch inside
~ page 36.
Automatic l ocking
The automatic locking feature locks all the ve ­
h icle doors and the rear lid when you drive
faster than 9 mph ( 15 km/h) .
The car is unlocked again once the ignition key is removed. In addition, the veh icle can be un ­
locked if the opening function in the power
lock ing system switch or at one of the door
leve rs is actuated. The Auto Loc k function can
be turned on and off in the rad io or
MMI*
~ page 37.
Addit ionally, in the event of a crash with a ir­
bag deployment the doors are automatically
un locked to allow access to the veh icle.
Selective unlocking
When you lock the vehicle, the power locking
system w ill lock the doors and the rear lid .
When unlocking, you can set in the rad io or
MMI* whether
only the dr iver's door or the
enti re ve hicle should be unlocked
~ page 37.
Anti -th eft alarm warning system
If the anti-theft alarm warning system de­
tects a break- in into the vehicle, acoust ic and
visua l wa rning signals are triggered.
The anti -theft warn ing system is act ivated au ­
tomatically when you lock the vehicle .
It is de­
activated when u nlocking using the remote key, with the mechanica
l key, and when yo u
switch on the ignition.
T he alarm a lso t urns off when t he a la rm cycle
has expired.
Turn signals
When you u nlock the veh icle, the turn s ignals
flash twice , when you lock it once . If they do
not flash, one of the doo rs, the luggage com ­
partment lid or the hood is not locked or the
ignition is s till sw itched on.
Unint entionally locking yourself out
In the follow ing cases there safegua rds to
prevent you lock ing you r remote master key in
the vehicle:
- The vehicle does not lock w ith the power
lock ing switch ~
page 36 if the drive r's
door is open .
- On veh ides with convenience key*, if the
most recently used master key is in the lug­
gage compa rtment, the rear lid is automat i­
cally un locked again after it is closed.
Do not lock your veh icle w ith the remote mas­
ter key or convenience key* unt il all doors and
the rea r lid a re closed . In this way you avoid
locking yourself out accidentally .
_& WARNING
-
-When you leave the veh icle, alw ays re ­
move the ignition key and take it with
you . This will prevent passengers (chil­
dren, for example) from acc identally be­
ing locked in the vehicle should they acci­
dentally press the power locking switch in the front doors .
- Do not leave ch ildren inside the vehicle
unsuperv ised. In an emergency it would
be imposs ible to open the doors from
the o utside without the key .
(D Tips
- In the event of a crash with airbag de­
ployment all locked doors will be auto­
matically unlocked to give access to the
vehicle occupants from the outside.

-If the power lock ing system should ma l­
function, you can lock the driver's door
using the mechanical key~
page 38.
-If the power locking system should fail,
you can still open the fue l tank flap in an
emergency <=>
page 218.
-You are well advised not to keep valua­
bles inside an unattended vehicle, visible
or not . Even a properly locked vehicle
cannot provide the security of a safe .
- If the LED in the upper edge of the driv­
er's door panel comes on for about 30
seconds after the vehicle is locked, there
i s a malfunction in the power locking or
the anti-theft warning system. Have the
malfunction corrected by an author ized
Audi dealersh ip or qua lified repair fac ili­
ty.
Key set
Fig. 19 Key set
@ Remote cont rol k ey with me chanical
ke y
You can centrally lock and unlock your vehicle
and start the engine with the master key with
remote control. A mechanical key is integrat ­
ed i n the master key
<=> page 34 .
@ Emerg ency key
The emergency key is not intended for con­
stant use.
It should on ly be used in an emer­
gency, for example, in place of the ign ition key
<=> page 82. Keep it in a safe p lace and do
not carry it on your key ring .
Openin g an d clos ing 33
Ke y re plac ement
If you lose a key, contact your author ized Audi
dealer immediate ly to have the
lost key disa ­
bled. Be sure to bring all your keys with you .
Number of keys
You can check the number of assigned keys to
you r vehicle <=>
page 11. This allows you to
make sure you have re ceived all of the keys
when you purchase a used vehicle.
Data in th e mast er ke y
During driving, service and maintenance-rele­
vant data is continuously stored on your mas­
ter key. Your Audi service adviser can read out
this data and tell you abo ut the work yo ur ve­
hicle needs . This applies also to vehicles with
convenience key*.
Person al comf ort settings
If two people use one vehicle, it is recom­
mended that each person always uses "their
own'' master key. When the ignition is turned
off or when the vehicle is locked, pe rsonal
convenience settings for the following sys ­
tems are stored and assigned to the remote
master key.
- Climate control
- Powe r locking system
- Seat memory*
- Parking system*
- Adaptive cruise control*
- Side assist*
- Drive select*
T he sto red settings are automatically recalled
when you unlock the vehicle, when you open
the doors or when you turn on the ignition .
A WARNING
--
-Do not leave your vehicle unattended
with the key in the ignition lock . Entry by
unauthorized persons could endanger
you or result in theft or damage the vehi­
cle .
- Do not leave ch ildren unattended in t he
veh icle, especially with access to vehicle

34 Openin g and clo sing
keys. Unguarded access to the keys pro­
vides children the opportunity to start the engine and/or act ivate vehicle sys­
tems such as the power w indows etc . Un­
supervised operation of any veh icle sys­
tem by ch ildren can res ult in serious in­
Jury.
- Do not remove the key from the ignition
lock until the vehicle has come to a com­
plete stop. Otherwise the steering col ­
um n loc k co uld suddenly e ngage -caus­
ing the risk of an accident.
@ Tips
- The operation of the remote contro l key
c a n be tempo rarily disrupted by in terfer­
ence from tran smi tters in t he v ici nity of
the veh icle work ing in the same frequen­
cy ra nge (e.g . a ce ll phone, radio equip­
ment).
- Fo r security reasons, replacement keys
are on ly available from Aud i dea le rs .
- Fo r De clarat ion o f Compliance to United
States FCC and Industry Canada regu la ­
tions
¢ page 283.
Removing the mechanical key
Fig . 20 Remot e ma ste r key: re mov ing the mec hanic al
key
.. Press the release button @¢ fig. 20.
.. Pu ll the mecha nical key @ out of the mas­
te r key .
Using the mechan ica l key, you can :
- l ock and unlock* the glove compartmen t on
the passenger's s ide
¢ page 65 .
-lock and unlock t he lockable* rear bench
seat and pass-through* ¢
page 69. -
activate the child sa fety locks on the rear
doors ¢
page 42.
-lock and unlock the vehicle manua lly
~ page 38 if this should not be possible
w ith the master key.
- use t he ignition key emergency release
~ page 35.
Check light and battery in the master
key
Fig. 21 Rem ote mas ter key: re m ov ing th e ba ttery h old ­
e r
Check light in the ma ster key
The check light @¢ fig. 21 in the mas ter key
provides information about different condi­
t ions .
.. The check light turns on br iefly once when a
button is pressed, and during an "inquiry"
by the convenience key system .
.,. If the check light does not come on, the
battery is dead and has to be replaced . In
add it io n, w hen t he battery is dead
the m
indicator light appea rs in the instrument
cl uster display as we ll as the message
Please change key battery .
Master key battery replacement
.,. Remove the m echan ical key ~ page 34.
.,. Press t he release button @~
fig. 21 on the
b attery ho lde r and at the same time pull the
battery holder o ut o f the master key in the
direction of the arrow .
.. Insta ll the new battery CR 2032 with the
"+ " sign facing down.
.,. Push the battery holder carefully into the
master key .
.,. Insta ll the mechanical key .

@ For the sake of the environment
Dispose of dead batteries properly so as
not to pollute the environment.
@ Tips
The replacement battery must be the
same specification as the original.
Emergency unlocking of the ignition key
In the event of malfunctions in the electrical
system, it may happen that you cannot re­ move the ignition key .
• Remove the mechanical key<:? page 34.
• Lock the vehicle using the mechanical key
<:?page 38.
• Have the e lectrica l system inspected by an
authori zed Audi dealership .
Locking and unlocking the vehicle with
the remote control
Fig. 22 Remote master key: function but tons
• Press button @to unlock the vehicle
Qfig . 22.
• Press button fij to lock the vehicle QA in
General description on page
32 .
• Press button ,c:;5 briefly to unlock the rear
lid .
• Press the button
,c:;5 for at least one second
to open the rear lid .
• Push the red
I PANIC I button to activate the
panic function. The horn sounds and the
turn s ignals flash . Push the red
I PANIC ! but­
ton again to deactivate the panic function.
If the vehicle is unlocked and no door, the rear
lid or the hood is opened within 60 seconds,
Opening and closing 35
the vehicle locks itself again automat ica lly.
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
MMI* whether the entire vehicle is unlocked
or only certain doors <:?
page 37.
On vehicles with automatic transmission, the
selector lever must be in the P position, other­
wise the vehicle cannot be locked.
A WARNING
Read and follow all WARNINGS ¢.&. in
General description on page
32.
(D Tips
- In order to make sure the locking func ­
tion is working, you should a lways 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 unin­
tentionally lock the vehicle, and then you
would set off the anti-theft alarm when
you try to start the eng ine or open a
door . In case this happens anyhow, push
t he unlock button@.
- Use the pan ic function only if you are in
an emergency s ituation.
-Add itional remote control key functions
¢page 43 .

36 Opening and clo sing
locking and unlocking with convenience
key
Appl ies t o vehicles : wit h convenience key
The doors ond the rear lid can be unlocked
and locked without operating the master key.
Fig . 23 Door hand le: lock ing the v ehi cle
Unlocking vehicl e
.. Take hold of the door hand le . The door is
unlocked automatically .
.. Pull the handle to open th e door .
locking vehicle
.. Move the selecto r lever to the P position
(au tomatic transmission), o therwise the ve­
hicle cannot be locked.
.. To lock the veh icle , close the door and to uch
the sensor in th e door hand le
once ¢ fig. 23
c:> A in General description on page 32. Do
not reach inside the door handle .
The vehicle ca n be locked and unlocked at any
doo r. T he remote control key cannot be more
t han 1.5 m away from the door hand le. It
makes no difference whether the m aster key
is in your jacket pocket or i n your brief ca se .
If you grip the door handle while lo cking, th is
can adversely affect the lock ing funct ion.
I t is not possible to re-open the door for a
brief period direct ly after closing it. This al ­
l ows you to ensure that the doors are properly
locked.
I t depends on the sett ings in the radio or
MMI* whether the e ntire vehicle is unlocked
or one of the doors
c:> page 3 7 .
A WARNING
-
Read and follow all WARNINGS c:> .&. in
General description on page
32 .
(D Tips
If your vehicle has been standing for an ex­
tended per iod, please note the following:
- The prox imity sensors are deactivated 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 managemen t system gra du­
ally switches off u nnecessa ry c onven­
ience func tions.
It is possib le th at you
w ill not be able to unloc k your vehicle us­
ing these convenience func tions.
- F or Declar ation of Complian ce to Unite d
States FC C and Ind ustry Canada reg ula ­
tions
¢ page 283.
locking and unlocking the vehicle from
inside
Fi g. 24 Drive r's doo r: pow er lock ing sw it c h
.. Press the b utton B to lock the vehicle c::> ,& .
.. Press the button @ to unlock the vehicle
¢ fig. 24.
If you lock the veh icle using the power loc king
switch, p lease note the followi ng:
- I f a door is open, the veh icle canno t be
loc ked u sing the power loc king system
sw itch.

-You cannot open the doors or the rear lid
from the outside (increased security, for ex­
amp le when yo u are stopped at a red light).
- The diodes in the power loc king switc h illu­
minate when a ll the doors are closed and
l ocked.
- Front doors: you can un lock and open the
doors from the ins ide by p ulling on the door
hand le.
- Rea r doors: p ull the door handle once to re­
lease the lock. Pull the hand le again to open
the door.
- If you have a crash and the airbag is activat­
ed, the doors automatically un lock.
A WARNING
- The power locking sw itch works w ith the
ignition off and automatically locks the
entire vehicle when it is actua ted .
- On a vehicle locked from the outs ide the
power locking system switch is inopera­
t ive.
- Locked doors make it more diffic ult for
eme rg ency workers to get into th e vehi ­
cle, w hich puts lives at risk . Do not leave
anyone behi nd in the ve hicle, espe cially
ch ildren.
(D Tips
Your vehicle is locked automatically at a
speed of
9 mph (15 km/h) (Au to Lock)
~ page 32. You ca n unl ock the vehicle
a g ai n using the opening f un ction in the
power locking sys tem swit ch ~ -
Setting power locking
In the radio/MM !*, you can se t which doors
t he central locking system will unlo ck .
.,. Se lect: ICARlf unct io n button>
Central lock­
ing .
Or
.,. Se lect: ~ I C-A-R~I fu nct io n bu tton >
Car sy s­
tems*
c ontrol bu tton > Vehicle setting s >
(Central lock ing) *.
Single door unlocking /Unlock door s* -
you
c a n specify whi ch door s unl ock when yo u open
the vehicle .
Opening and clo sin g 37
-Select ing off / All and p ressing the Iii button
on t he remote contro l key unlocks the entire
veh icle.
- Selecting
on /Driver and pressing the Iii but­
ton on the remote control key once un locks
only the driver's door. In vehicles with a con­
ven ience key*, only the door whose handle
you pull w ill unlock. If you press the
Iii but­
ton tw ice, the entire vehicle will u nlock . If
you press the [@] button, t he entire ve hicle
w ill always lock .
Luggage comp. loc k/Lock e xterior trunk han­
dl e -
If you select On , you can no longer ope n
the luggage compartment using the rea r lid
hand le
~ page 39, fig. 2 7. In this case, the
r ear lid can be opened with t he l=I button on
th e maste r key¢ page 35, fig. 22 or with the
l = I* button in the d river's doo r¢ page 40,
fig .
29 .
Fold mirrors * if you se lec t On , the outs ide
mirro rs will fo ld in au tomati cally when yo u
press the
Iii button on the remote cont ro l key
~ page 50.
Tone when locking -if you selec t On, a to ne
will soun d when yo u lo ck t he vehicle.
Auto Lock /Lock when driving -if you selec t
On, th e e nti re ve hicl e w ill lock automat ically
whe n the speed reaches
9 m ph (1 5 km /h).

38 Opening and closing
Emergency locking
Fig. 25 Drive r's door : lock cyl inde r
Fig . 26 Front passe nge r's door/rea r doo rs *: emergency
l ock
If the centra l locking system ma lfunctions ,
you must unlock/lock the doors separately us­
ing the emergency key or the mechanic al key.
Unlocking/locking the driver's door with
the mechanical key
,. Remove the mechanical key¢ page 34.
,. To unlock the dr iver's door, turn the key to
the open position@¢
fig. 25.
,. To lock the driver's door, move the se lector
lever to the P position (automatic transmis­
sion) and turn the key
once to the close posi­
tion
® c> A in General description on
page 32.
Locking the front passenger's door/rear
doors* with the mechanical key
The emergency lock is located on the rear side
of the front passenger's door and the rear
doors . It is only visible when the door is open.
,. Remove the mechanical key¢
page 34.
,. Pull the cover cap out of the opening
<=>fig . 26.
,. Insert the key in the inside slot and turn it
all the way to the right (right door) or left
(left door).
Once the front passenger's door/rea r doors *
have been closed, you cannot open them
again from the outside . The door can be
opened from the inside by pulling the door handle. If the child safety lock in a rear door*
is activated, you must first pull the door han­
dle on the inside . Then you can open the door
from the outside .
.8, WARNING
Read and follow all WARNINGS c> .&. in
General description on page 32.
(D Tips
-
After the ignition is switched on, the pow­
er locking system switch and the unlocking button for the rear lid
cs in the door are
enabled.
Electronic immobilizer
The immobilizer prevents your vehicle from
being started by unauthorized persons .
Inside the key there is a computer chip . This
chip automat ically act ivates/deactivates the
electron ic immobilizer.
Applies to vehicles with ignition lock:
The electronic immobilizer deactivates auto­
matically when you insert the remote control
key into the ign ition lock . It activates again
automatically when you
remove the remote
control key from the ignition lock.
Applies to vehicles with convenience key:
If the remote control key is located inside the
vehicle and you press the
I S TART ENGI NE STOP I button, the electron ic
immobilizer deactivates automat ically .
If you
switch the ignition off and remove the remote
control key from the vehicle, the electronic
immobilizer activates again automatica lly. ..,.