2012 AUDI A8 immobilizer

Removing the mechanical key
Fig. 14 Remote control maste r key : re mov ing the me­
c han ical key
• Press the release button@ ¢ fig. 14.
• Pull the mechanica l key @ out of the mas ­
ter key.
Using the mechan ica l key, you can:
- lock and unlock* the storage compartment
on the passenger's side
<=:> page 71.
-lock and unlock the vehicle manually
c:>page 33 .
-lock the front and rear passenger doors me­
chanically
c:> page 34.
- unlock the rear lid manua lly ¢ page 37 .
Check light and battery in the master
key
Fig. 15 Remote master key : Re mov ing the battery
holder
Check light in the master key
The check light @<=:> fig. 15 in the master key
prov ides information about different cond i­
tions.
• The check light turns on brief ly once when a
button is pressed, and during an "inqu iry"
by the convenience key system .
Opening and closing 29
• If the check light does not come on, the
battery is dead and has to be replaced. In
add ition, when the battery is dead
the m
indicator light appears in the instrument
cluster display as well as the message
Please change the key battery .
Master key battery replacement
We recommend having the battery changed
by an authorized Audi dealer. However, if you
wish to replace the dead battery yourse lf , pro­
ceed as follows:
• Remove the mechanical key
c:> page 29.
.. Press the re lease button ® c:> fig. 15 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 carefu lly into the
master key.
• Install the mechan ical key.
(® For the sake of the environment
Dispose 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 inside your key automatically
deact ivates the electronic immobilizer when
the key is inside the vehicle . When you remove
the key from the vehicle, the elect ronic immo ­
bilizer is automatically activated once again.
& WARNING
Always take the key with you when you
leave the vehicle. The key can disarm the
e lectronic engine immobilizer and permit
an unauthorized person to start the engine
and enable operation of the vehicle
IIJI,-

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 he lp 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. Beca use 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. Th is means that you r isk both
a substantial reduction in the operational
safety of you r vehicle and an inc reased wea r of
vehi cle parts¢ _&..
Author ized Audi dealers w ill perform th is
wo rk in a professiona l and competent ma nner
or, in spec ial cases, refer you to a p rofessional
company that specializes in such mod ifi ca­
tions .
_& WARNING t= -
Improper repairs and modifications can
change the way vehicle systems wo rk and
cause damage to the veh icle and ser ious
personal injury.
(D Note
If emergency repairs must be performed
elsewhere, have the veh icle examined by
an authorized A udi dealer as soon as possi­
ble.
Con sumer In formation 283
Declaration of
Compliance, Telecom­
munication or
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.
Device s
The following devices each comply wi th FCC
Part 15 .19, FCC 15.2 1 and RSS -Gen Issue 1:
- Adaptive cru ise control
- Aud i side assist
- Cell phone package
- Convenience key
- Electron ic immobilizer
- Homelink ® universa l remote control
- Remo te control key
FCC Part 15.19
This device complies with part 15 of the FCC
Ru les. Operation is subject to the fo llow ing
two conditions:
(1) This device may not cause harmful in ter­
fere nce, and
(2) this device must accept any interference
received, including interference that may
cause undes ired operation .
FCC Part 15.21
CAUTION:
Changes or mod ifi cat ions not expressly ap­
proved by the p arty responsible for compli ­
ance could vo id the user's autho rity to ope rate
the equipment .
RSS-Gen Issue 1
Operation is subject to the fo llow ing two con­
d it ions:
(1) this device may not cause interference,
and
•
•

A
Accessories .................. ... ... 282
AC (automatic climate control) ... .. .. .. 76
Adaptive air suspension/sport ......... 103
adaptive cruise control Stop-and-go traffic ................. 91
Adaptive cruise control . . . . . . . . . . . . . . . . 87
Messages . . . . . . . . . . . . . . . . . . . . . . . . . 94
Request for driver intervention . . . . . . . . 92
Sensoren/Kamera reinigen .......... 205
Adaptive Light (defective) ... .......... 21
Adding Engine coolant .............. ... ... 228
Eng ine oil ........................ 225
Windshield washer fluid ............ 234
Additives Engine oil .. ................. .. ... 225
Adjustable steering column ............ 79
Adjusting Air distribution (automatic climate con-
trol) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Front seats . . . . . . . . . . . . . . . . . . . . . . . . 54
Instrument illumination ............. 47
Steer ing column .............. ...... 79
Temperature (automatic climate control) 77
Airbag system . . . . . . . . . . . . . . . . . 142, 161
Advanced Airbag System ............ 146
Advanced Airbag System components . 149
Care ........................ ..... 155
Ch ildren ......................... 167
Ch ild restra ints ............... ..... 168
Components (front airbags) . ... .. .. . 149
Danger of fitting a child seat on the front
passenger seat .................... 144
Disposal . . . . . . . . . . . . . . . . . . . . . . . . . 155
Front airbags . . . . . . . . . . . . . . . . 146, 147
How do the front airbags work? ... .. . 151
How many airbags does my vehicle
have? ... ..... ........... ...... .. 149
H ow the Advanced Airbag System com-
ponents work together ............. 150
I mportant safety instructions on the
knee airbag system .......... ... .. . 159
Important things to know ... ... .. .. . 142
Knee airbags ...................... 157
Monitoring . . . . . . . . . . . . . . . . . . . . . . . 153
PASSENGER AIR BAG OFF light ...... . 153
Index 285
Repairs .......................... 155
Safety instructions .. .............. . 155
Side a irbags ... .. .. ............... 160
Side curtain airbags ................ 163
Warning/indicator lights ............. 18
Warning/Indicator lights .......... . 153
Weight-sensing mat ... .. ..... ..... 167
When must the system be inspected? 153
Aircraft Transporting your vehicle ........... 274
Alloy wheels .. .... .. ............... 208
All Wheel Drive ..................... 191
Winter tires ...................... 250
Ambience lighting ................... 46
Anti-freeze
refer to Engine coolant ............ . 227
Anti-lock braking system ............. 187
Warning/ind icator lights ............. 19
Anti-slip regulation ................. 187
Anti-theft systems Electronic immobilizer ............... 29
Audi braking guard
refer to b rak ing guard ............... 87
Audi drive select
refer to drive select 103
Audi Service Repair Manuals and Litera-
ture .............................. 280
AUTO Automat ic climat e control ............ 76
Automatic headlights ............... 43
Auto Lock . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Automatic belt retractor ............. 137
Automat ic car wash ................. 204
Automatic climate control Air vents . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Automatic recirculation .............. 78
Operation . . . . . . . . . . . . . . . . . . . . . . . . . 76
Setup ............................ 78
Automatic climate control system
synchronizing . . . . . . . . . . . . . . . . . . . . . . 77
Automat ic transmission (t iptronic) ..... 109
Emergency mode .................. 112
Kick-down ... ..................... 112
Manual shifting .. .. . .. .. ..... ..... 112
Parking lock emergency release ...... 113
Se lector lever positions ............. 109
Automatic wipers .................... 48
•
•

288 Index
Doors
M echanical child safety lock .. .... .. .. 37
Power child safety lock . . . . . . . . . . . . . . 38
Driver information system
CD/radio display . . . . . . . . . . . . . . . . . . . . 23
Door/r ear lid warning . . . . . . . . . . . . . . . 23
Exterior temperature display ....... .. 23
On-board computer . . . . . . . . . . . . . . . . . 24
Driver seating position ............... 125
drive select .. .. . .......... .. .. .... . 103
adaptive a ir suspension/sport ........ 103
Adaptive dampers ................. 103
Cornering light ........... .. .. .... . 103
Dynamic steering .................. 103
Safety belt tensioner ............... 103
Sport differential .......... ... .... . 103
Driving safely . . . . . . . . . . . . . . . . . . . . . . 124
Driving through water ............... 196
Driving time . . . . . . . . . . . . . . . . . . . . . . . . 24
Duplicate key . . . . . . . . . . . . . . . . . . . . . . . 28
Dynam ic steering . . . . . . . . . . . . . . . 22, 103
E
Easy entry feature .......... .... .... .. 79
Einparkhilfe Sensoren/Kamera reinigen ...... .... 205
Elect rical accessories (sockets) . . . . . 64, 70
E lectromechanical park ing brake
Emergency braking . . . . . . . . . . . . . . . . . 84
Operation . . . . . . . . . . . . . . . . . . . . . . . . . 82
Parking .................... ..... .. 83
Releasing and closing ..... .. .. .. .. . . 82
Starting assist ........... .. .. .... .. 83
Starting from rest .......... .. .... .. 83
Starting
off with a tra iler . . . . . . . . . . . . . 83
Warning/indicator lights ..... .. .. .. . . 15
E lectronic different ial lock ( EDL) .. .... . 187
Warning/indicator lights ... .. .. .. .. . . 19
Electronic immobilizer . . . . . . . . . . . . 25, 29
Electronic power control (EPC)
warning/indicator light ..... .... ..... 20
Electronic speed limiter ......... .... .. 27
Electronic Stability Control (ESC) .. ..... 187
Warn ing/indicator lights ....... .. .. .. 18 Emergency
actuation
Doors ... ..... .. .. .............. .. 34
Parking lock ... .. ................. 113
Power sunroof . .. ............. .... . 40
Rear lid ... .... .. ............. .... . 37
Emerg ency braking ................... 84
Emergency flasher ................. .. 44
Warning/ind icator lights ........ .. .. . 22
Emergency operation Panoramic sunroof ... .......... .. .. . 42
Sun shade (roof) ................... 42
Emergency starting ................ . 270
Emergency towing .. ............ .. .. 272
Emergency warning triangle .......... 256
En ergy management ................ 192
Engine Compartment ..................... 221
Coolant ... .. .. .. .. ... ........ .. .. 227
Data ..... .... .. ............. .... 278
starting ......... .. .............. .. 80
Starting with jumper cables ......... 270
Stopping . ..... .. .. .............. .. 81
Engine compartment ................ 221
Closing the hood . ... .......... .. .. 220
Opening the hood ............. .... 219
Safety instructions ................ . 219
Working in the engine compartment .. 219
Engine coolant ..................... 22 7
Adding coolant . .. ... .......... .. .. 228
Check ing the engine coolant level ..... 227
Expansion tank ... ................. 227
Malfunction symbol ................. 15
Radiator fan ... .. ............. .... 229
Temperature gauge ............ .... . 10
Engine oil ...... .. .. .............. . 222
Adding ......... .. .............. . 225
Additives . ..... .. ............. .... 225
Changing . .. .. .. ............. .. .. 226
Checking oil level .... .......... .. .. 225
Checking the engine oil level ....... .. 224
Consumption .. ................... 225
I ndications and conditions requiring ex-
tra checking . ...... .. ...... ....... 224
Indicator light ... ............. .... . 17
Oil consumpt ion .. ............. .... 223
Oil grad es ..... .. ................ . 222
Oil level symbol . . . . . . . . . . . . . . . . . . . . 20

29 0 Index
Glove compartment (cooled) ... .. .... . . 71
Gross Veh icle Weight Rating (GVWR) ... 276
H
Headlights
Clean ing system ....... ..... .. .. .. .. 48
Defective . . . . . . . . . . . . . . . . . . . . . . . . . 21
H ead light range control . . . . . . . . . 21, 43
Washer reservoir .................. 234
Head restraints . . . . . . . . . . . . . . . . . 61, 128
Adjusting .. .......... .... .... .... 128
Heated exterior mirrors . . . . . . . . . . . . . . . . . . . . 51
rear window . . . . . . . . . . . . . . . . . . . . . . . 77
seats .. .. .... ........ ...... ... .. .. 77
windshield washer spray nozzles .. .... 48
Heating ..... ................ ..... .. 75
H eavy clothing and safety belts ... .. ... 137
High beam . .. ..................... .. 45
High voltage warning label ... ... .. ... 276
H omelink ® universal remote control . . . 121
Hood (release lever) ................. 219
H orn . .. .. .. .. . .......... .. .. .. .. .. . 8
How are child restraint system anchors re­
lated to child safety . . . . . . . . . . . . . . . . . 178
How many airbags does my vehicle have? 149
H ow often should I check my t ire pres-
sures? ............................ 242
H ow safety belt pretensioners work . ... 140
Hydroplaning . .. . ...... ... .. .. .... . 246
I
Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . 25
Important things to do before driving . . 124
Improperly worn safety belts . .... .... . 140
I ndicator lights
refer to Warning/ind icator lights .... . . 11
Infant seats . ................ ... ... 171
Installing chi ld safety seats
Safety belts . . . . . . . . . . . . . . . . . . . . . . 17 5
I nstall ing the upper tether strap on the
anchorage ... ... .. ..... ... .. .. .... . 183
Instruments Ad justing the lighting . ........ ...... 47 Instruments and controls
Genera l illustration . . . . . . . . . . . . . . . . . . 8
Instrument cluster .......... ... .. .. . 10
Interior l ighting
Amb ience light ing ................. . 46
Front and rear ... ... .. ..... ... .. .. . 46
Intermittent (w indshield w ipers) ....... 48
J
Jack 257
Jump-starting ..... ... .. ..... ... .. .. 270
Jumper cables . .. .. .......... ...... . 271
K
Key ........... ... .. ................ 28
Battery replacement master key . . . . . . . 29
E mergency key . .. ............. .. .. . 28
K ey replacemen t . . . . . . . . . . . . . . . . . . . 28
Mas ter key . . . . . . . . . . . . . . . . . . . . . . . . 28
Mechan ica l key ... ... .. ..... .... . .. . 29
Valet key . . . . . . . . . . . . . . . . . . . . . . . . . . 28
K ick-down (automatic transmission) .... 112
Knee a irbags .... .. ... .......... .... 157
Description .... ................... 157
How they work . . . . . . . . . . . . . . . . . . . . 158
Important safety instructions .. .. .. .. 159
L
Lane assist
Activat ing and deactivating ........... 96
Description . . . . . . . . . . . . . . . . . . . . . . . . 96
Instrument cluster ind icator lig ht .. .. . 96
Kamerabereich rein igen ......... .... 205
Messages . ...... ............. .... . 97
Notes on instrument cluster disp lay ... . 96
Setting the steering wheel vibration ... . 98
Setting the warning point .... ... .. .. . 98
Lane Change Assistant
refer to side assist . . . . . . . . . . . . . . . . . . 99
LATCH .... ... .. .. .. ... ....... ... .. 178
Description .. .. ............ ....... 179
Gu idance fixtures for lower ancho rages 180
Installing a c hild restra int ........... 181
Loca tion . . . . . . . . . . . . . . . . . . . . . . . . . 179
Mounting and releasing the anchorage
hook ... .. .... .. .. ... .. ... ... .. .. 181