2015 AUDI S4 immobilizer

12 Instruments and warning/indicator lights
pressure on the ISETI button, you delete the
warning threshold.
Digital clock with date display and
Odometer
Fig. 5 Instrument cluster: odo meter
Fig. 6 In strume nt cl us ter : reset button
Digital clock/GPS controlled clock*
Depending on the vehicle equ ipment level,
you may choose between the quartz clock or
the GPS controlled clock*
l!!j in the radio or in
the MMI*. You can learn more about this in
the MMI manual or in the radio user's manual.
Odometer/trip odometer
The display of distance driven is shown in kilo­
meters "km" or in miles "mi".
- USA mode ls - Miles
- Canada models -Kilometers
The units of measure (kilometers/miles) can
be changed in the radio or MMI*. You can
learn more about this in the MMI manual or in
the radio user's manual.
The odometer @ shows the total number of
kilometers or miles that have been driven on
the vehicle . T
he trip odometer @shows the distance driv­
en since it was last reset. It can be used to
measure short distances. The last d igit shows
distances of 100 meters or 1/10 of a mile.
T he trip odometer can be reset to zero by
pressing the reset button
10.01 r::!;> fig . 6.
Malfunction message
If there is a malfunct ion somewhere in the in­
strument cluster,
DEF will appear in the trip
odometer and w ill stay on. Contact your au­
thorized Audi dea ler to have the problem cor ­
rected.
Immobilizer
When the ignition is switched on, the data on
the ignition key are scanned automat ica lly.
If an unauthor ized key was used, SAFE is dis­
played permanently in the odometer display
field . The vehicle cannot be opera ted
r::!;>p age32 .
(D Tips
- When you switch off the ignition or open
the driver door, the time, date, odome­
ter and temperature are displayed for an
additional
30 seconds .
- Yo u can also call up the display with the
!SET ! button r::!;> page 11 while the igni­
tion is switched off .
Fuel gauge
The fuel gauge works only when the ignition is
on.
When the needle reaches the red area, the
warning light
111 in the instrument cluster
will illuminat e
¢page 21. Time to refuel!
The total tank capacity of your vehicle is listed
in
r::!;> page 281.
(D Note
Never run the tank completely dry! An ir­
regular supply of fuel can cause engine

M N
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"' rl
Emergency locking
Fig . 2 5 Driver's door: lock cylinde r
Fig. 2 6 Front passenger's door/rea r doo rs *: emergency
loc k
If the centra l locking sys tem ma lfunctions,
you mu st unlo ck/ lo ck the d oo rs separa tely us­
in g the eme rgency key or the mechan ic al key.
Unlocking /locking the driver's door with
the mechanical key
.,. Re move the me chanical key~ page 33.
.,. To u nlock the driver's door, turn the key to
the open position @~
fig. 25.
.,. To lock the dr ive r's door, move the se lector
lever to the P position (automatic transmis­
s ion) and t urn the key
once to the close posi­
tio n
@ <=> .& in General description on
page 31.
Locking the front passenger's door /rear
doors* w ith 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 v is ible when the door is open.
.,. Remove the mechanical key
<=> page 33.
.,. Pull the cover cap out of the opening
<=>fig. 26.
Opening and clo sin g 3 7
.. Insert the key in the ins ide s lot and turn it
all the way to the right (right door) or left (left door).
Once t he front passenge r's door/rea r doo rs *
have been closed, yo u ca nn ot o pen th em
again from the o utside . 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 th e outside .
.&_ WARNING
Read an d foll ow all WAR NING S ¢.& in
G enera l des crip tion on p age 3 1.
© Tips
-
Afte r the ignition is switche d on, the pow­
er locking sys tem switch and the u nloc king
bu tton for the rear lid
cs in the d oo r a re
e na bled.
Electronic immobilizer
The immobiliz er pr eve nts your vehicle from
being star ted by unau tho riz ed persons.
Inside the key there is a com pute r ch ip. This
c hi p a utomat ica lly activates/deactiva tes the
electron ic immobili zer.
Applies to vehicles with ignition lock:
The electronic immobilizer deact ivates auto­
matically when yo u insert the remote contro l
key into the ign ition lock .
It activates again
a utomat ica lly when you remove the remote
control key from th e i gni tion lock.
Applies to vehicles with convenience key:
If the remote control key is located inside the
vehicle and you press the
!S TART ENGI NE STO P I button, the elect ro ni c
immobi lizer deactiva tes a uto mat ica lly . If you
swi tch t he ig nition o ff and rem ove the remo te
c o ntrol key from the vehicle, the elec tronic
immo bili zer activates again a utomat ically. .,..

38 Openin g and clo sing
& WARNING
Always take the key with you when you
leave the vehicle . The key can disarm the
electronic engine immobilizer and perm it
an unauthor ized person to start the engine
and enable ope rat ion of the vehi cle sys­
tems such as powe r window or power sun­
roof leading to ser ious personal in jury .
- The vehicle cannot be started if an unau­
thorized key is used. The vehi cle may not
star t if another radio device such as a key
for another vehicle o r a tra nsponder is
l ocated on the key ring.
- For De clarat ion of Compli ance to Uni ted
States FCC and Indus try Canada regu la­
tions¢
page 286.
Rear lid
Opening/closing rear lid
Fig . 27 Rear lid : hand le
F ig. 2 8 Sedan drive r's door: remote rear lid release •
Opening the rear lid
.,. Press the but ton c:s on the remote cont ro l
master key for at least one second. The rear
l id unlocks and opens slightly. Or .,.
Press the handle on the rear lid
q fig . 2 7. Or
.,. Sedan: Pull the release button
c:s in the
driver's door ¢
fig. 28
Closing the rear lid
.,. Pull the rear lid down at the grip on t he in ­
side and allow it to drop gent ly to close it
q _&. .
A WARNING
-After closing the rear lid, a lways p ull up
on it to make sure that it is properly
closed. Otherwise it could open suddenly
when the vehicle is moving.
- To help prevent poisono us exhaust gas
from being drawn into t he vehicle, al­
ways keep t he rear lid closed wh ile driv­
ing. Never transport objects la rger than
those which fit complete ly into the lug­
gage a rea, beca use then the rear lid can­
no t be f ully closed.
- Never leave your vehicle unattended es­
peci ally with the rear lid left open. A
chi ld cou ld craw l into the car through the
luggage compartment and p ull the lid
shut, becoming trapped a nd u nable to
get o ut. To reduce the risk of personal in­
jury, never let c hildren play in or around
your veh icle. Always keep the rear lid as
well as the vehicle doors closed when not
in use.
- Always ensure that no one is within
range of the rear lid when it is moving, in
particular close to th e hinges -fingers or
hands can be pi nched.
@ Tips
When the vehicle is locked, the rear lid can
be opened separately by pressing the but­
ton
c:s on the master key. When yo u close
the rea r lid again, it locks automatica lly.

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The all-wheel drive concept is designed fo r
high engine power. Your vehicle is exception ­
ally powerful and has exce llent dr iving charac­
ter istics both under normal driving conditions
and on snow and ice . Always read and follow
safety precautions
c> & .
Winte r tir es
When driving in the winter, your ve hicle with
all-wheel drive has an advantage, even with
regular t ires. In winter road conditions it may
be adv isable to mount winter tires (or all-sea­
son t ires) for imp roved driveability and brak­
ing: these tires must be mounted on
a ll four
w heel s.
See also c> page 254, Winter tires.
Tire chain s
Where tire cha ins are mandatory on certain
roads, th is normally also applies to vehicles
with all-wheel drive
c> page 255, Snow
chains.
R eplacing wheel s/tire s
Vehicles with all-wheel drive must a lways
have tires of the same size. Also avoid t ires
with d ifferent tread depths . For details see
page ~
page 248, New tires and replacing
tires and wheels.
Off-Ro ad dri ving ?
Your Audi does not have enough ground clear­
ance to be used as an off-road veh icle. It is
therefore best to avoid rough tracks and un­
even terrain as much as possible . Also refer to
c> page 193.
A WARNING
Always adjust your driving to road and traf­
fic condit ions . Do not let the ext ra safety
afforded by all-wheel drive tempt you into
taking extra risks .
- Although the all-whee l dr ive is very ef­
fective, a lways remember that b raking
capacity is limited by tire traction. Yo u
sho uld therefore not drive at excessive
speeds on icy or slippery road surfaces.
- On wet road surfaces, be careful not to
drive too fast because the front wheels
Int ellig ent technolog y 191
could begin to slide on top of the water
(aquaplaning). If th is should occur, you
will have no warning from a sudden in­ crease in engine speed as w ith a front­
wheel drive veh icle . Always drive at
speeds which are su ited to the road con­
ditions - risk of crash.
Energy management
Starting ability is optimized
Energy management controls the distribution
of electrical energy and thus optimizes the
availability of electrical energy for starting the engine.
If a vehicle with a conventiona l energy system
is not driven for a long period of time, the bat­
tery is discharged by idling current consumers (e .g. immobilizer). In certain circumstances it
can resu lt in there being insuffic ient energy
available to start the eng ine .
Intelligent energy management in your vehi­
cle handles the distribution of e lectr ica l ener­
gy. Start ing ability is markedly improved and
the life of the battery is extended .
Basically, energy management consists of
battery diagnosis , idling current manage­
ment
and dynamic ene rgy management .
Batte ry diagnos is
Battery diagnosis continuously determines
the state of the battery . Sensors determine
battery voltage, battery current and battery
temperature. This determines the current
state of charge and the power of the battery.
Idling current management
Idling current management reduces energy
consumption while the vehicle is standing.
With the ign ition switched off, it controls the
energy supply to the various electrical compo­
nents. Data from battery diagnos is is cons id­
ered .
Depend ing on the battery's state of charge,
individual consumers are gradually turned
off .,_ •
•

286 Consumer Information
Technical Modifications
Our guidelines must be complied with when technical modifications are made .
Always consult an authorized Audi dealer be­
fore starting work on any modifications.
This will help ensure that vehicle function,
performance and safety are not impaired
¢ &. .
Attempting to work on electronic components
and the software used with them can cause
malfunctions. Because of the way electronic
components are interconnected with each
other, such malfunctions can also have an ad­
verse affect on other systems that are not di­
rectly involved. This means that you risk both
a substantial reduction in the operational
safety of your vehicle and an increased wear of
ve hicle parts ¢
A:,..
Author ized Audi dealers will perform th is
wo rk in a professiona l and competent manner
or, in special cases, refer you to a professional
company that specializes in such modifica­
tions .
A WARNING
-
Improper repairs and modifications can
change the way vehicle systems work and
cause serious personal injury.
(D Note
If emergency repairs must be performed
elsewhere, have the vehicle examined by
an authorized A udi dealer as soon as possi­
ble.
Declaration of
Compliance, Telecom­
munications and
Electronic Systems
Radio Frequency Devices and Radiocommuni­
cation Equipment User Manual Notice.
The manufacturer is not responsib le for any
radio or TV interference caused by unauthor­
ized modifications to this equipment.
Devices
T he following devices each comply with FCC
Part 15.19, FCC Part 15.21 and RSS-Gen Iss ue
1:
- Adapt ive cru ise control*
- Conven ience key*
- Side assist*
- Cell phone package*
- Electron ic immobilizer
- Homelink universal remote control*
- Remote control key
FCC Part 15.19
This device complies with part 15 of the FCC
Rules . Operation is subject to the follo wing
two conditions:
(1) This device may not cause harmful inter­
ference, and
(2) this device must accept any interference
received, including interference that may
cause undesired operation.
FCC Part 15 .21
CAUTION:
Changes or modifications not expressly ap­
proved by the party responsible for compli­
ance could void the user's authority to operate
the equipment.
RSS-Gen Issue 1
Operation is subject to the following two con­
ditions:
(1) this device may not cause inte rfe rence,
and

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Index 291
-----------------------------------.......
Daytime running lights. . . . . . . . . . . . 49, 50
Declaration of compliance Adapt ive cruise control .... .. .. .. .. . 286
Aud i side assist .......... .. .. .. ... 286
Cell phone pa ckage ....... .. .. .. .. . 286
Conve nience key ... .... ... .. .. .. ... 286
Elect ronic immobilizer .. ... .. .. .. .. . 286
Homelink universa l remote contro l .. . 286
Remote control key ....... .. .. .. .. . 286
D ecora tive parts/ trim
C lean ing ... .... ...... ... .. .. .. ... 204
Defective light bulb warning . . . . . . . . . . . 2 1
Defrosting (windows) ....... .. .. .. .. .. 80
D etermi ning correct load limi t ... .. .. . 24 4
Dig ita l clock ........... ...... .... ... 12
Dig ita l compass . .. ..... ... .. .. .. .... 58
D imensions .. ............. .... .. ... 28 1
Dimming the rearview mirror . . . . . . . . . . 53
D isp lays
C leaning ... .. .... .... ... .. .. .. ... 204
D oors
C hi ld safety loc ks ......... .. .. .. .. .. 41
emergency loc king ........ .. .. .. .. .. 3 7
Driver information system Enhanced sh ift indicato r .... ... ... ... 27
Open doo r or front lid warning . . . . . . . . 23
Outside temperat ure display .. .. .. .. .. 23
Sound system display . . . . . . . . . . . . . . . 23
Driver seat
refer to Seat ing pos ition 127
Driving off road ... ...... ... .. .. .. ... 197
D riving safe ly ............. .... .. ... 126
Driving through water . . . . . . . . . . . . . . . 193
D riving time . . . . . . . . . . . . . . . . . . . . . . . . 24
Dust filter
refer to Po llutant filte r (automatic A/C
system) .. .. ............. .... .. .. .. 78
Dynamic steering . . . . . . . . . . . . . . 115 , 190
E
E85 (Fue l) . .. ............. .... .. ... 208
E ffi ciency program . . . . . . . . . . . . . . . . . . . 26
Fu el economy messages . . . . . . . . . . . . . 28
M emory leve ls . . . . . . . . . . . . . . . . . . . . . 24
Othe r equipment . ..... ... .. .. .. .. .. 27
Shift indicator ........... .. .. .. .... 27 E
lectro -mechan ica l power ass ist ... .. .. 190
E lectromechanical pa rk ing brake
E mergency bra king ................ . 89
Ind icator lig ht . .. .... ........... .. . 87
Parking ... .. .. .. ................. . 88
Re leas ing and closing ... .... ... .. .. . 87
Starting assist ...... .. .. ..... ... .. . 88
Starting from rest . ... .. .... ... .. .. . 88
Starting off w ith a trailer ........ .. .. . 89
Warning/ind icator lights ............. 16
E lectronic differential lock
Warning/indicator lights ..... ... .. .. . 18
El ectronic d ifferential lock ( EDL) ... .. .. 185
Wa rning/ind icator lights ........ .. .. . 19
E lectronic immob ilizer . . . . . . . . . . . . 12, 37
E lectronic power con trol
(EPC) warning/indicator light . . . . . . . . . 20
El ectronic speed limi ter ............... 30
E lectronic stab ilizat ion contro l
offroad mode . . . . . . . . . . . . . . . . . . . . . 187
Sport mode . . . . . . . . . . . . . . . . . . . . . . 187
E lectronic Stabilization Contro l (ESC) ... 185
Warning/ind icator lights ............. 18
Emergency ac tua tion
Doors . ... .. .... ... .. .. ..... ... .. . 37
Ignition key ..... .. . .. .. ..... ... .. . 34
Rea r lid . . . . . . . . . . . . . . . . . . . . . . . 40, 41
Slid ing/ti lting s unroof ............... 44
E merge ncy br aking . .... ......... .. .. . 89
Emergency flasher ..... .. .... .... ... . 51
w . /' d' l' h arnmg m 1cator 19 ts . . . . . . . . . . . . . 22
Emergency key .. ................... . 32
Starting engine ............... .... . 84
Emergency operation Emergency bra king funct ion (parking
brake) . ... .. .... .. . .. .. ..... ... .. . 89
E mergency starti ng ................. 274
Emergency towing .................. 276
Energy management .. .. ..... ... .. .. 191
Battery power ... .. . ... .... ... .. .. . 16
Driver notification . .. .. ..... ... .. .. . 16
En gine
Compartment .. ................... 214
Coolant ... .. .. .... .. ... ..... ... .. 218
Data ... .. .. .... .. . .. .. ..... ... .. 282
Hood ... .. .. .... .. . .. .. ..... ... .. 212
Starting . . . . . . . . . . . . . . . . . . . . . . 82, 85
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_______________________________ ___:I~n ~d ~e:.::x 293
Fue l
Additives ... ..... ..... ... .. .. .. ... 207
Blended gasoline . ..... ... .. .. .. .. . 207
Consumpt ion . . . . . . . . . . . . . . . . . . . . . .
24
Filler neck .. ............. .... .. ... 209
Fue l gauge . ................ ... ... . 12
Gasoline ... ... .. .. ...... .. .. .. .. . 207
Gasoline additives ........... .... .. 209
L ow fuel level symbo l . . . . . . . . . . . . . . . 2 1
Octane r ating ............ .... .. ... 20 7
Recommenda tion . ..... ... .. .. .. .. . 20 7
Refue lling . ... .... .... ... .. .. .. ... 210
Reserve .... .... .. .... ... .. .. .. .... 12
T ank capacity . ........... .. .. .. ... 281
Tank system ............. .... .. .... 21
Unlock ing the fue l filler f lap by hand . . 211
F ue l economy messages (eff iciency pro-
gram) ..... .. .. .... .. .... ... .. .. .... 28
F ue l filler flap
Un loc king the f ue l filler fl ap by hand . . 211
Fuses Assignment . . . . . . . . . . . . . . . . . 269, 271
R l . ep acing .................. .... .. 269
G
Garage door ope ner (Homel ink) .. .. .. .. 45
Garment hooks . . . . . . . . . . . . . . . . . . . . . . 68
Gas discharge lamps ........ .. .. .. .. . 27 2
Gauges Eng ine coolant tempera ture .. .. .. .. .. 10
Fuel gauge ..................... ... 12
Tac hometer . . . . . . . . . . . . . . . . . . . . . . . 11
Gear recommendat ion ...... .. .. .. .. .. 2 7
G h.ft . d'
ea rs
I in 1cator . . . . . . . . . . . . . . . . . . . 26
Gearshift lever 6-speed manual tra nsmission . ....... . 93
General illustration
H
Head lights
Cleaning . ... .... .. . .. .. ..... ... .. 203
Cleaning system . . . . . . . . . . . . . . . . . . . . 55
Defective . . . . . . . . . . . . . . . . . . . . . . . . . 21
Head light range control ............ . 21
Left hand dr ive, r ight hand drive .. .. .. . 51
Trave l mode ...... ................. 51
Head light washer reservoir .... ... .. .. 225
Head restra ints .. .. ................. 130
Adjus ting . . . . . . . . . . . . . . . . . . . . 63, 130
Remov ing/insta lling . .. ..... ... .. .. . 63
Heated exter io r mir rors . . . . . . . . . . . . . . . . . . . . 52
r ear w indow . .. .. .... ........... .. . 80
sea ts ..... .. .. .. .... ............. . 80
windshield washer sp ray nozz les . . . . . . 55
Heating .......... .. ..... ........... 78
Heavy clothing and saf ety be lts . ... .. .. 139
Hig h beam .. .. .. .. .. . ... ........... . SO
Hig h voltage warning label ......... .. 280
Hill descent contro l .. . .. ..... ... .. .. . 97
Homelink (ga rag e doo r opener) ..... .. . 45
Hood
Open ing .. .. .. .. .... ............. 212
Re lease lever .. .. .. . .. ... ... .. .. .. 212
Hooks ... .. .. .... .. . .. .. ..... ... .. . 74
Hor n .. .... .. .... ..... ... ... ... ... .. 8
How are child restraint system anchors re-
lated to chi ld safety ........... .. .... 179
How many ai rbags does my vehicle have?
How often should I check my tire pres-
su res?
How safe ty bel t pre ten sioners w ork .. . .
Hydrop la ni ng ..... .. . .. .. ..... ... . . 151
2 41
142
24S
Instruments and contro ls . . . . . . . . . . . . . 8
I
Gene ra to r
Warn ing/ indicator ligh ts ... .. .. .. .. .. 16
Glossary of t ire and load ing te rm inology 229
Glove compartment . . . . . . . . . . . . . . . . . . 6 7
Va let pa rk ing ............ .... .. .. .. 45
G PS controlled clock . ..... .. .. .. .. .. .. 12
Gross Veh icle Weight Rat ing (GVWR) ... 280
Ground cl earance ... .... ... .. .. .. .. . 197 Ig
nition
swi tching on/off .. ...... .. .. ... .... . 82
Ig nitio n key
E m ergency unlock ing .......... .... .. 34
Ign it ion lock .. .. .. ...... .. ... ...... . 82
Indic ato r light . .. ........... ...... . 18
Mal func tion . . . . . . . . . . . . . . . . . . . . . . . 22
Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . 12
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