2010 AUDI A5 COUPE check engine light

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& WARNING !continued)
• Before you check anything in the engine compartment, always
read and heed all WARNINGS~ page 263, "Engine compartment".
0 Note
• Applying a higher voltage booster battery will cause expensive
damage to sensitive electronic components, such as control units,
relays, radio, etc .
• There must be no electrical contact between the vehicles as
otherwise current could already start to flow as soon as the positive
(+) terminals are connected.
[ i) Tips
• The discharged battery must be properly connected to the
vehicle's electrical system. When jump starting or charging the
battery , never connect the negative ground cable to the battery
negative post because the battery manager system must be able to
detect the battery's state of charge. Always connect the negative
ground cable to the negative ground post of the battery manager
control unit .•
Use of jumper cables
Make sure to connect the jumper cable clamps in exactly
the order described below!
Fig. 251 Engine
compartment : Connec·
tors for jumper cables
and charger
Fig. 252 Jump starting
with the battery of
another vehicle: @
discharged vehicle
battery,
© booster
battery
The procedure described below for connecting jumper
cables is intended to provide a jump start for your vehicle.
Vehicle with discharged battery:
Turn off lights and accessories, move lever of automatic
transmission to
N (Neutral) or P (Park) and set parking
brake.
~
Vehicle care Do-it-yourself service irechnical data

llffl __ A_l.:. p _h_ a_ b_e _t _ic _ a_l _in _ d_e _x ____________________________________________ _
Care of exterior ... .. ... ... ... ... ... . 252
Cargo area
See Loading the luggage compartment ..
175
Cargo net .... .... ................... 79
Catalytic converter . . . . . . . . . . . . . . . . . . 244
Center armrest Adjusting ........................ 78
Storage compartment ........ .... . 78
Certification . . . . . . . . . . . . . . . . . . . . . . . 342
Changing a flat tire .. .... .... ....... 312
Changing a wheel ................... 312
Changing engine oi l ...... .... .... ... 276
Chassis Undercoating . . . . . . . . . . . . . . . . . . . . 258
Checking Engine coolant level .. ...... ...... 278
Checking tire pressure .... .... .... ... 293
Child restraint system anchors ........ 227
Child restraints Danger of using child restraints in the
front seat . . . . . . . . . . . . . . . . . . . . . . 190
Where can I get additional information
about child restraints and their use? ...
232
Child safety ................... .... . 213
Convertible locking retractor . . . . . . . 223
Important safety instructions for using
child safety seats .... .... ... .... 216
Important things to know when driving with chi ldren ................... 213
Installing a child restraint using the
LATCH system .................. 229 Lower
anchorages ... ...... ...... . 228
Mounting and releasing the anchorage hook .. .............. ....... ... 229
Tether anchors .. ...... .... .... .. 230
Tether straps ........ ....... ..... 230
Child safety seats ... ........... ..... 218
Booster seats .. ... .... ........ ... 221
Convertible chi ld seats ............ 219
Convertible locking retractor . ...... 223
Danger of using child restraints in the
front seat . . . . . . . . . . . . . . . . . . . . . . 190
How do I properly install a child safety
seat in my vehicle? ........ ...... 216
Infant seats ...... ........ ....... 218
Installing ....................... 223
LATCH system . . . . . . . . . . . . . . . . . . . 229
Safety instructions .... ...... ..... 216
Cigarette lighter ........ ....... ...... 87
Cleaning Alcantara® (synthetic suede) . ..... 262
Engine compartment ....... ... ... 263
Fabrics and fabric coverings ..... .. 259
Instrument panel ................. 260
Interior .. .... .... ... .. .... .... .. 259
Leather ......................... 261
MMI display ..................... 259
MM I termina l .. ... .... .... .... ... 259
Plastic and vinyl .. .. ......... ... . 256
Plastic parts . . . . . . . . . . . . . . . . . . . . . 260
Safety be lts ...... ....... ........ 263
Trim strips . ........... .... ...... 255
trim strips ... .. ........ .... ... ... 256
Cleaning and protection .. ........ ... 252
Clock ........ .... ...... ....... ...... 10 Coat hooks
. . . . . . . . . . . . . . . . . . . . . . . . . . 89
Co ld tire inflation pressure .... ....... 291
Compact spare tire .................. 311
See also Spare tire ........ ...... .. 311
Compass mirror . ...... .. .... .... .... 67
Comp liance ...... .... ....... .... ... 342
Consumer Information .... ... ... . 177, 339
Contacting NHTSA ... .... .... .... ... 177
Convenience closed ... ....... ........ 49
Convenience key ..................... 44
START ENGINE STOP button ... 110, 111
Starting engine .... ....... .... ... 110
Switching engine off .............. 111
Switching on ignition ............. 11
O
Unlocking and locking vehicle ... ... . 44
Convenience opening ...... ........... 49
Convertible child safety seats ...... ... 219
Convertible locking retractor Activating .. ....... .... ...... .... 225
Deactivating ..................... 226
Using to secure a child safety seat .. 223,
225
Coolant system ..................... 277
Cooling System Expansion tank .... ........... ... 278
Cornering light ...................... 57
Cruise contro l
Changing speed . ...... .... .... .. 116
Preselect speed .. ...... ..... .. ... 116
Switching off ... .. .... .... .... ... 116
Switching on ...... ........... ... 115
Warning/indicator lights ... .. ...... . 15
Cruising range ................... .... 23

ffl Alphabetical index ----=------...:..:...::... ___________________________ _
Electronic immobilizer .... ...... ... 11, 41
Electronic power contro l
(EPC) warning/indicator light .. .... .. 13
Electronic stabilization program (ESP) How the system works . . . . . . . . . . . . 234
Warni ng/indicator lights ........... 13
Emergency braking .... ..... .. ...... 114
Emergency flasher . . . . . . . . . . . . . . . . . . . 57
Warning/indicator lights ........... 14
Emergency key . . . . . . . . . . . . . . . . . . . . . . 38
Starting engine .... ....... ........ 41
Emergency locking of the doors ........ 47
Emergency release Selector lever . . . . . . . . . . . . . . . . . . . . 154
E . mergency starting . . . . . . . . . . . . . . . . . 326
Emergency towing .................. 329
Emergency un locking
Ignition key ...... .... .... .... .... 40
Energy management ...... ... ... .... 241
Battery power . . . . . . . . . . . . . . . . . . . 242
Driver notification . . . . . . . . . . . . . . . . 242
Engine Compartmen t ........ ...... . .. .. 272
Coolant .. .... ..... ... ... .... .... 277
Hood ...... ........... ....... ... 270
Starting .................. ...... 108
Starting with jumper cables ....... 326
Stopping ....................... 109
Engine compartment Safety instructions . . . . . . . . . . . . . . . 271
Working the engine compartment .. 271
E . I ngme coo ant system .... ... ... .. ... 277
Adding coolant ... .... ...... ..... 279
Checking coo lant level .. .... .... .. 278
Check ing the engine coolant level .. 278
Malfunction ......... .... ......... 30
Radiator fan ...... .... .... .... ... 280
Engine coolant temper.ature
Temperature gauge ...... .... ..... . 8
Engine data .. ................ ...... 337
Engine hood Closing .. .... .... ... .. .... ...... 271
How to release the hood . . . . . . . . . . 270
Engine oil .......................... 273
Adding ......................... 275
Additives .. ....... .... ...... .... 275
Changing . .... .... .... .... .... .. 276
Check oil level ............. ...... 275
Consumption ... .. ............ ... 275
Oil consumption ................. 274
Oil grades ... .. ...... .... ... .. ... 273
Specification and viscosity ...... .. 273
Engine oil level ...................... 36
Engine oil pressure Malfunction .. .... ....... ......... 31
Engine oil sensor defective ............ 36
Engine speed limitation ............... 36
Environment Break -in period .... ........ ...... 243
Catalytic converter ........ ....... 244
Disposing of your vehicle battery ... 285
Driving at high speeds .... ... .. ... 246
Driving to minimize pollution and noise 245 Fuel ..
...... ... .. . ... .... .... ... 267
Fuel economy ... ....... .... ...... 245
Leaks under your vehicle ....... ... 271
Letting the vehicle stand and warm up ..
246
Proper disposal of drained brake fluid
281
Proper disposal of drained engine coolant ... .. ...... ... .. ... .... . 279
Proper disposal of drained engine oil ....
275 ,276
Recycling used engine oi l ...... ... 275
Unleaded fuel ........ .... .... ... 265
What should I do with an old battery?
285
Environmental note Rear window defogger .. ....... 95, 102
Roof rack ... ... .. .. .. .... .... .... 85
EPC See Electronic power control .... .... 13
ESP See Electronic stabi lization program
(ES P) ... ......... ... ............ 13
Event Data Recorder (EDR) ............ 234
Expansion tank ..................... 278
Eyeglasses compartment .............. 89
F
Fan
Deluxe automatic c limate control .... 93
Deluxe automatic climate control plus ...
100
Radiator ........ ... .. .... .... ... 280

Alphab eti ca l ind ex -____________ _,_ __ _
Luggage compartment . .... .... . .... .. 78
Cargo net ..... .. .... .... ...... ... 79
Enlarging ....... ..... ... ...... 80, 81
Loading . ...... ... ... .... .... .... . 78
Ski sack .. .... ........... ........ . 82
Tie -down rings ... .... ...... .... ... 79
Trunk pass -through . ... .. .... .... .. 83
See also Loading the luggage
compartment ... .... .... ....... . 175
See also Luggage compartment ... .. 78
M
Maintenance ....................... 339
Malfunction Indicator Lamp (MIU .. .. 15, 22
Manual transmission ................ 147
Master key Battery replacement ............... 39
Check light ....................... 39
Master key with remote control ...... .. 38
Mechanical emergency closing function Panoramic tilting sunroo f ..... .... .. 52
Mechanica l key ..... ..... .... .... .... 40
Memory fo r driver's sea t .... .... .... .. 74
Recalling settings ... .... .... .... .. 75
Storing settings .. ........ ........ . 75
Mi leage
Average ... .. .... .... .... ..... .. .. 23
I nstantane ous . ....... ... .... .... . 23
Mirrors Activating the digita l compass .. ... . 67
Adjusting the anti -g lare ... .... ..... 64
Controls and equip­
ment Safety first
Automatic dimming for the outside
m irr ors ... .. .... .... .... ... .... . 66
Automatically dim ming inside mirror . 64
I nside rear view mirror ... .... .... .. 63
I nter ior mirror .. ...... .... ... .... . 64
Manual glare dimming .... .... ..... 63
Outside mirrors ................... 65
Moni to ring the Advanced Airbag Sy stem
199
N
Natural leather ... .... ...... ... ...... 260
New tires and whee ls ..... .... .... ... 299
NHTSA Contacting ...................... 177
N umber of seats . ..... ... .. ... ...... 179
0
Occupant seating pos itions ........... 170
Octane rating .... ...... .... ... .. .... 265
Odometer ............... ........ .... 11
Oil
See Engine oi l ............. ... 273, 275
O il consump tion .. ...... .... .... .... 275
On -Board Diagnostic System (OBD)
Data Link Connector (DLC) . ......... 22
Electronic speed limiter ...... .... .. 23
Malfunction Ind icator Lamp (MIU ... . 22
Open door or rear lid warning . ........ . 21
Operate y our vehicle econom ically and mini -
mize po llution .................. 245 Optional equipment
Marked with an asterisk ... .... .... .. 5
Outside mirrors ...... .... .... .... .... 65
Outs ide temperature display .. ......... 19
Owner 's manual
How the Owner's Manua l is organized . 5
p
Paint
Touch -up ... .... ... .. .... .... .... 256
Paint No .. .... .... .... ... .... .... ... 33 4
Panoramic sunroof Conven ience openi ng/closing ... .... 49
Panoramic tilting sunroof .. ..... .. ... .. 5 1
Mechanical emergency closing function 52
Tilt ing and c losing .. ...... .... ... .. 51
Park assist ......................... 155
Rear ... .. .... .... .... ... .... .... 155
Rear, with r ear view camera ....... . 157
Parking ............................ 113
Automatic transmission .... ... .... 148
Valet parking .... ..... ... .... ..... 50
Parking brake .... .... ... .... .... .... 112
See also Electromechanica l parking brake
112
P arking system .......... .... ...... . 155
Rear ............................ 155
Rear, with rear view camera .... ... . 1 57
Parking System (rear) Adjusting the warning tones ....... 156
Parking system (rear) ... .. ...... .... . 155
Vehicle operation Vehicle care Do-it-yourself service Technical data

-Alphabetical index
---=------------------------------------------------
Safety tips . . . . . . . . . . . . . . . . . . . . . . 143
Sensor de tection area . . . . . . . . . . . . 137
Side curtain airbags ...... .... ..... .. 210
Description . ...... .... .......... 210
How th ey work . . . . . . . . . . . . . . . . . . . 211
Safety instructions . . . . . . . . . . . . . . . 211
Side marker lights . . . . . . . . . . . . . . . . . . . 53
Ski sack . ....... ... .. ...... ... .. .... 82
See also Trunk pass-through ..... .. . 83
Snow chains . . . . . . . . . . . . . . . . . . . . . . . 305
Sound system disp lay
Driver information display . ... .. .... 19
Sources of information abou t child restrain ts
and their use ..... .... ... ..... .. 232
Spare tire . . . . . . . . . . . . . . . . . . . . . . . . . . 311
Speed rating letter code . . . . . . . . . . . . . 300
Speed warning system .. ..... .. ...... 26
Speedometer . . . . . . . . . . . . . . . . . . . . . . . 11
Starting engine Emergency key .. ...... ....... .... 41
Starting from rest .... .... .... ... .... 113
Starting of f with a trailer . ............ 114
Starting the engine .......... .. .. ... 108
Steering . ...... .. .... ....... .... . 13 ,33
Locking the stee ring . . . . . . . . . . . . . . 108
Malfunction .. ...... ... .. .... .... . 32
Manual ly ad justing the steering whee l
107
Steering wheel column Adjusting manual ly ... .... .... .... 107
Steps for determining
correct load limit 296
Stopping the engine . .... .... ... .... 109 Storage .
.... ... ... . .. .. .. .. ........ 88
Glove compartmen t ......... ...... 89
Storage
net .......... .... ........... 79
Sun shade ..... .. ...... ...... .... ... 60
Sun v isors ... .... ...... ........ ..... 60
Switches Emergency flashers . . . . . . . . . . . . . . . 57
Symbols Red .. ...... ........ .... ..... .... 28
Yellow . ... ..... .. .. .. .... .... .... 32
T
Tachometer ...... .... ..... .. .... .... . 9
Technical modifications .. ... .... ... .. 342
Tether anchors ...... ............ ... 230
Tether str ap . . . . . . . . . . . . . . . . . . . . . . . . 230
The first 1,000 mil es (1,500 km) and
afterwards ... ..... .... .... ..... 243
Tie-down rings ...... ..... ..... .. .... 79
Tie -downs ........ ... .... .... ... 79, 177
tiptronic ..... .... .. .. ... ..... .. . ... 147
Automatic Shif t Lock (ASU . ....... . 150
Driving ............. .... ...... .. 148
Dynamic shift program . .... .... ... 151
Fail-safe mode ................... 153
Kick-down ......... ........ ... ... 151
Manual shift program .......... ... 152
Se lector lever . . . . . . . . . . . . . . . . . . . . 149
Tire pressure . .... .... ... .... .... ... 293
Tire pressure mon itoring syst em
Loss of ai r pr essur e .. ... .. .... 14,307
Malfunction . ........... ....... .. 307 Resetting tire pressures
... ..... .. . 309
Sensors . . . . . . . . . . . . . . . . . . . . . . . . . 301
Tires and wheels ..... .. ...... .... 301
Valves .. .. ... ... .... .... .... .... 301
Tire se rvice life .... .... ... .... .... .. 297
Tires .... ..... .... ....... .. .. ..... . 287
Replacing .. ... .... .... .. . .... .. . 301
Service life .. ...... .... .......... 297
Speed rating letter code .. ......... 300
Tire manufacturing date .. ...... ... 300
Tire specifications ........ .. .... .. 300
Tread depth .... .... ... .... .... .. 297
Uniform tir e quality grading ...... . 303
Winter tires ...... ... .. ...... .... 304
Tires and vehicle load limits .. .. .... .. 295
Tires and wheels
Checking tire pressure .. ... .. ..... 293
Co ld tire inflation pressure ....... . 291
Dimensions .. ...... ... .. . .... ... 299
Genera l notes ... ....... ...... .... 287
Glossary of tire and loading terminology .
288
New tires and whee ls ... .... .... .. 299
Replacing ..... .... .... .. . .... .. . 299
Snow chains .................. ... 305
Tire pressure monitoring system . .. 301
Tires and vehicle load limits .... .. . 295
Wheel bolts ... .... .... .. . .... .. . 305
Winter tires ................... .. 304
Tires/Wheels Low aspect ratio tires ..... .... .... 306
Tire pressure monitoring system 14, 307
Tool kit .. ...... .... ....... ...... ... 310