2012 AUDI A6 check engine light

28 4 Index
Automatic transmission . . . . . . . . . 10 1, 106
Automatic Shift Lock (ASL) . . . . . 103, 109
Driving . . . . . . . . . . . . . . . . . . . . . 101, 107
Dynamic shift program . . . . . . . . 104, 110
Emergency mode . . . . . . . . . . . . . 106, 111
Emergency release . . . . . . . . . . . . 106, 112
Kick-dow n . . . . . . . . . . . . . . . . . . . 104, 109
M anual sh ift program . . . . . . . . . 105, 1 10
Selec to r l eve r . . . . . . . . . . . . . . . . 102 , 108
Shift b uttons . . . . . . . . . . . . . . . . 105, 1 11
Steer ing whee l w ith mu lti tronic ... .. . 105
Steering whee l with tiptronic ....... . 11 1
Automatic wipe rs ........... ... .. ... . 46
Auto Safety Hotline . . . . . . . . . . . . . . . . . 131
Average consumption ....... .. .. .... .. 24
Average speed . . . . . . . . . . . . . . . . . . . . . . . 24
Avoid damaging the vehicle . ... ... ... . 197
B
Battery ..... .. . .. ..... ... .. .. .... . 230
Charging .... .. .. ..... ... .. .. .... . 233
Important warnings . ... .. .. ... ... . 23 1
Jump starting .............. .. .... . 268
Locat ion . ............... .. .. .... . 231
low . .. .. .. ... .. ..... ... .... .. .. . 194
Replacing the battery ......... .. ... 234
State of charge ..... ...... .. .. .. .. . 194
W inter operation ......... .. .. .. .. . 230
Wo rking on the battery .... .. .. .. .. . 231
Before driving . . . . . . . . . . . . . . . . . . . . . . 123
Blended gasoline .. ..... ... .. .. .... . 215
Blower (automatic climate cont rol) .. .. .. 67
Blower (climate control) . . . . . . . . . . . . . . . 64
Body cav ity sealing ....... .. .. .. .. .. . 209
Booster seats .............. ... .. .. . 177
Brake fl uid
Changing the brake fl uid ... .. .. .... .
230
Check ing the brake fluid level . .. ..... 229
What is the correct brake flu id leve l? .. 229
What should I do if the brake fluid warn -
ing light comes on? ........ ..... .. .
229
Brake system
Anti-lock braking system ... .... .... ..
19
Brake ass ist system ....... .. .. .. .. . 189
Brake booster .. .... ...... .. .. .. .. . 192
Brake fl uid . ..... ......... ... .. ... 229
B rake fluid specifications fo r r efill and re -
placement . ..... .. ... ..... ... .. ..
230
Brake light defective . . . . . . . . . . . . . . . . 21
Brake pads .... .. ............. .... 196
Electromechanical parking brake . .... . 73
Fluid reservo ir . .. ................ . 229
How does moisture or road salt affect the
brakes? ....... .. .. ........ ...... .
191
Warning/ind icator lights ...... .. .. .. . 14
Worn b rake pads symbo l ........ .. .. . 20
braking guard . .. .. .......... ...... .. 78
Messages ... .. .. .. ... .. ... ..... .. . 85
Settings . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Break -in period .. .. ... .......... .. .. 196
Brake pads .... .. ............. .... 196
Tires ...... ... .. .. ... ........... . 196
Bulbs . ... .. .... .. .. ... ..... ... .. .. 267
C
Cali forn ia Proposition 65 Warn ing . .... 221
Battery specific . ... ... ..... ... .. .. 232
Capac,t,es ...... .. .. ... ........... . 276
Engine oil . .. .. .. ............. .. .. 2 22
Car care .... .... .. ............. .... 204
Exterior . .. .. ... ... ... .. ... ... .. .. 204
Interior ...... ... .. .............. . 210
Cargo area ...... .. ... .. .. ... .... . .. 129
Cargo ne t ... .. .. .. .. ........... .... . 61
Catalytic converter . ............. .. .. 197
Center armrest
Cockpit ... .... .. .. .... . ... ... .. .. .
51
Central lock ing .. .. ............. .. ... 32
E mergency loc king ............... .. . 36
Certification ...... ............... .. 281
Changing a wheel . ... ... ..... ... .. .. 258
Changi ng engine oil ................ . 226
Chassis (undercoat ing) ............. .. 209
Checking
Engine coolant level ..... .... ... .. ..
227
Tire pressure ..... ... .. ..... .... . .. 241
Child rest raints
Danger of using child rest rain ts in t he
fron t seat . . . . . . . . . . . . . . . . . . . . . . . .
144
Where can I get additional in format ion
about child restraints and their use? . .
186
Child rest raint system a nchors .. .. .. .. 182

286 Index
Homelink ® un iversal remote control .. 281
Remote control key ......... .. .... . 281
DEF
What does this mean when it appea rs in
the trip odometer display? ... .. .... ..
26
Defective light bulb warning ...... ..... 21
Defrosting (windows)
autom atic cl imate control .. .. .. .... ..
6 7
climate control . . . . . . . . . . . . . . . . . . . . . 65
Determining correct load limit ....... . 244
Dimensions .. ... ... ... .... .. .. .. .. .
275
Dimming the rearview mirror . ... .. .. .. 48
Distance . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Door/re ar lid warning . . . . . . . . . . . . . . . . .
23
Doors
Pow er child safety lock ..... ... .. ... . 37
Driver information system
CD/radio display . . . . . . . . . . . . . . . . . . . .
23
Door/rear lid warning . . . . . . . . . . . . . . . 23
Efficiency program . . . . . . . . . . . . . . . . . . 25
Exterior temperature display ..... .. .. 23
On-board computer ... .... .. .. .... .. 24
Driver seating position .... .. .. .. .. .. .
124
drive select .. .......... ...... ... .. .. 95
Adaptive dampers . . . . . . . . . . . . . . . . . . 95
Cornering light ............... .. ... . 95
Safety belt tensione r ...... .. .. .. .. . . 95
Driving safely . . . . . . . . . . . . . . . . . . . . . . 123
Driving through water ........ .. .... . 198
D .
. t· 24
riving 1me .... ... .... ..... .. .. .. . .
Duplicate key . . . . . . . . . . . . . . . . . . . . . . . 30
Dust filter
refer to Pollutant filter . . . . . . . . . . . . . . 63
E
Easy entry featu re .......... .. .. .. .. .. 70
Efficiency program . . . . . . . . . . . . . . . . . . . 25
Fuel economy messages . . . . . . . . . . . . . 25
Other equipment . . . . . . . . . . . . . . . . . . . 25
Electrical accessories (sockets) . . . . . . . . . 55
Electro-mechanical power assist .. .. ... 193
Elec tromechanical parking brake
Emergency braking ........... .. .. ..
75
Operation . . . . . . . . . . . . . . . . . . . . . . . . . 73
Parking .. .. .... ......... .. .. .. .. ..
74
Releasing and closing ..... .... .... .. 73 Starting
assist . . . . . . . . . . . . . . . . . . . . . 7 4
Starting from rest ..................
74
Starting off w ith a trailer . . . . . . . . . . . . . 7 4
Warning/ind icator lights ........ .... . 16
Electronic differential lock (EDL) ....... 189
Warning/ind icator lights ............. 19
Electronic immob ilizer . . . . . . . . . . . . 26, 31
Electronic power control ( EPC)
warning/indicator ligh t ......... .. .. .
20
Electronic speed limiter .......... ..... 29
Electronic stabilizat ion program (ESP) .. 189
Warning/indicator lights ........... .. 19
Emergency actuation
Doors .... .. .. . .................. .
36
Power sunroof ... .......... ...... .. 40
Emergency braking ................... 75
Emergency flashe r .... ... ... .... .. .. . 42
Warning/indicator lights .......... .. .
22
Emergency release
Selector lever . . . . . . . . . . . . . . . .
106, 112
Emergency starting .......... ..... .. 268
Emergency towing .............. .... 270
Emergency unlock ing
Rear lid .... ... .. .. ... ........... .. 37
Emergency warn ing triangle ..........
256
Energy management . .. ...... ... .. .. 194
Engine
Compar tment .. .. ............. ....
222
Coolant ...... ... .. .............. . 227
Data .... ... .. .. .. ...... ..... .. .. 276
starting . .. .. .. .. .... ... . .. ... .. .. . 70
Starting with jumper cables ....... .. 268
Stopping .... .. .. .. ... .. .. .... .... . 72
Engine compartment ............... . 222
Closing the hood .... ... .... ..... .. 221
Opening the hood ................ . 220
Safety instructions ................. 220
Working in the engine compartment .. 220
Engine coolant .. .. ..... ........... . 22 7
Adding coolant ... ..... ........... .
228
Checking the engine coo lant level ..... 227
Expansion tank ... ... .......... .. .. 227
Malfunction symbol ............ .. .. . 16
Radiator fan ..... .. ........... .. .. 229
Temperature gauge ............. ... . 11

Engine oi l ... .. .... ..... .. .. .. .. ... 222
Adding .... .... .. .... ... .. .. .. ... 225
Addit ives ... .... ...... ... .. .. .. .. . 225
Changing .. ............. .... .. ... 226
Checking the eng ine o il level .. .. .. .. . 225
Indications and cond it ions requ iring ex -
tra check ing ..... .. ...... .. .. .. .. . 225
I ndicator light . . . . . . . . . . . . . . . . . . . . . 18
O il consumption .......... .. .. .. .. . 224
O il gr ad es .. ............. .... .. ... 22 2
O il level symbol ....... ... .. .. .. .... 21
P ressu re mal function ... ... .. .. .. .. .. 17
Recommended oil check intervals .. .. . 225
Sensor defective . . . . . . . . . . . . . . . . . . . . 21
Specification and viscos ity .. .. .. .. .. . 222
E ng ine speed limi tat ion .. ... .. .. .. .. .. 21
E ng ine start system (ind icator l ights) .. .. 18
Environment Break- in period ........... .... .. ... 196
Catalytic converter ........ .. .. .. .. . 197
Disposing of your vehicle batte ry .. .. . 234
Driving at h igh speeds ........ .... .. 199
Driving to m inim ize pollution and no ise 198
F ue l ..... .. ................. .. ... 2 17
Fu el economy ............ .... .. .. . 198
L eaks under your ve hicle ... .. .. .. .. . 220
L ett ing the ve hicle stand and wa rm up. 199
Prope r disposal of drained brake fluid . 230
Prope r disposal of dra ined engine coo l-
ant ..... .. ................. .. ... 228
Proper disposal of drained engine
oil . . . . . . . . . . . . . . . . . . . . . . . . . 225, 226
Recycling used engine o il . ..... .... .. 225
Un leaded f uel ......... ...... .... .. 215
Wha t should I do wi th an old batte ry? . 234
ESP (Electronic s tabilization program)
War ning/ indicator lights ... .. .. .. .. .. 19
Event Data Recorder (EDR) ... .. .. .. .. . 189
E xhaust tail p ipes .... ...... .... .. .. . 210
Expansion tank ............ .... .. .. . 227
E xterior lighting . ... .... ... .. .. .... .. 41
E xterior mirrors
Ad justing ............ .... ... ... ... 48
D imming . .. ............. .... .. .... 48
H eating .. .. .. ........... .. .. .. .... 48
Exterior temperature d isplay ..... ... ... 23
Inde x 287
F
Fastening
Booster seats . . . . . . . . . . . . . . . . . . . . . 177
Convertib le child safety seats . ... .. .. 175
Infant seats . . . . . . . . . . . . . . . . . . . . . . 17 4
Fl oor ma ts .. .. .. .. .. .. ........... .. 1 28
Foot peda ls .... ... .. ..... .......... 128
Fo r th e sake of the environment
Gasoline fumes and the env ironment . . 217
Red ucing engine noise by early upshift -
ing ....... .. .. .. ................. . 11
Refueling . .. .. .... .. ........ ..... 217
Sav ing fuel by early upsh ifting ...... .. 11
Fo ur-zone automatic climate control ... . 66
Fron t air bags
D es cription . . . . . . . . . . . . . . . . . . . . . . . 146
How they wor k . . . . . . . . . . . . . . . . . . . . 152
Frontal coll is io ns and the laws of p hys ics 134
Front seats . . . . . . . . . . . . . . . . . . . . . . . . . 50
Adjusting . .. .. .. .. .. ........... .. 125
Child restraints in the front seat ...... 144
Fuel Additives . ... .... .. . .. .. ..... ... .. 215
B lended gaso line ..... ............. 215
C u rre nt consumption ........... .. .. . 24
Economy messages (effic iency program) 25
Fuel fil le r flap emergency re lease . .... 218
Fuel fi ller nec k ... .. .. .. ...... .... . 216
Fuel gauge . . . . . . . . . . . . . . . . . . . . . . . . 12
Gasoline .. .. .. .. ... ............ .. 215
Gasoline ad di tives .... ........... .. 216
L ow fue l level symbol . . . . . . . . . . . . . . . 21
Octane rat ing . ..... . .. .. ..... ... .. 215
Recommendation ... . .. .. ... ... .. .. 215
Ref uel ling ... .. ...... ............. 217
Reserve ... .. .. .. ... ............ .. . 12
Tank capac ity . . . . . . . . . . . . . . . . . 12, 276
Fuses Ass ignment ..... .. . .. .. ..... ... .. 264
Rep lacing . .. .. .. ................. 264
G
Ga rage door opener (Homelink ®) . ... .. 120
Ga rment hooks . . . . . . . . . . . . . . . . . . . . . . 56
Gas discharge lamps ............. .... 267
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