2008 AUDI A4 AVANT check engine light

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/b, WARNING (continued)
• Before you check anything in the engine compartment, always
read and heed all
WARNINGS~ page 265, "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. •
Use of jumper cables
Make sure to connect the jumper cable clamps in exactly
the order described below!
Vehicle with discharged battery:
Fig. 234 Jump­
starting with the
battery of another
vehicle: A -discharged
vehicle battery, B -
booster battery
- Turn off lights and accessories, move lever of automatic
transmission to
N (Neutral) or P (Park) and set parking
brake.
Connect POSITIVE (+) to POSITIVE (+) (red)
1. Connect clamp of plus cable to positive( +) terminal (D
:::> fig. 234 of discharged vehicle battery @.
2. Connect clamp on opposite end of cable to positive(+)
terminal
@ of booster battery ®·
Connect NEGATIVE (-) to NEGATIVE (-) (black)
3. Connect clamp of minus cable (black) to negative (-)
terminal
0 of booster battery®·
Do-it-yourse lf service irechnical data

111'1_....::::A::.:l:.!: p :.:h..:.: a:::.:: b:.::e :.:t::i c::.::: a.:..l ..:.: in :..:.:: d:.:e :.:x::..... ___________________________________________ _
Centigrade
Switching between Centigrade and Fahre nheit ...... .... .... ... ....
128
Changing a flat tire .. .... .... .... 50,318
Changing a wheel ................... 318
Changing engine oil ...... .... ...... . 279
Chassis
Undercoating .. .... .... .... .... ..
261
CHECK button . . . . . . . . . . . . . . . . . . . . . . . 16
Checking
Battery acid leve l . . . . . . . . . . . . . . . . .
288
Eng ine coo lant level . ... .. .... .... 281
Checking tire pressure ............... 299
Child restraint
Danger of using child restraints in the front seat . . . . . . . . . . . . . . . . . . . . . .
189
Child restraints
What types of chi ld restraint anchors are
ava ilable? . .... .... .... ........
223
Where can I get additional information
about child restraints? ... .... ....
224
Child safety .. .... .... ....... ... 210 ,215
Additional information .... .... .... 229
Booster seats . . . . . . . . . . . . . . . . . . . . 218
Convertible child safety seats . . . . . . 216
Convertible locking retractor . . . . . . . 220
Guidance fixtures for lower anchorages
226
Important safety instructions for using
ch ild safety seats .... .... ... ....
213
Important things to know when driving
with chi ldren ...................
210
Infant seats ..................... 215
Installing a child restraint using the
LATCH system ... ... .... .... ....
228
Lower anchorages .... ....... .... . 225
Mounting and re leasing the anchorage
hook .... .... ...... .... ... .. ...
229
Older children and safety belts 219
Safety belts and o ld er children .. ... 219
Tether anchors ...... .... .... .... 229
Tether strap .. ....... .... .... .... 230
Which rest raint system should my o lder
chi ld wear? .. ...... .... ... .. ...
219
Child safety lock ... .... ... .. ...... ... 63
child safety seat
LATCH system ....... .... .... ....
228
Child safety seats .............. .... . 215
Convertible locking retractor ....... 220
How do I properly insta ll a child safety
· h ' I 7 213 seat in my ve 1c e, .. .... .... ... .
Installing .... .... ... .. .... ......
220
Safety instructions .... .... .... ... 213
Cigarette lighter ........ .... ... .. ... 120
Cleaning
Alcantara (synthetic suede) ........
264
Engine compartment .. ... ... .. ... 265
Fabrics and fabric coverings ... .... 261
Instrument pane l .. ... .. ...... .... 262
Interior ...... .... ... .. .... .... .. 261
Leather . . . . . . . . . . . . . . . . . . . . . . . . . 263
P lastic and vinyl . .... .... ... .. ... 258
Plastic parts . .... .... .... ... .... . 262
Safety belts . . . . . . . . . . . . . . . . . . . . . 265
Trim strips . .... .... ... .... .... .. 257
trim strips . .... ...... .... ... .. ... 258
Cleaning and protection ........ .... . 254
Climate controls ...... .... .......... 125
Air distribution .... .... ..... .. ... 130
Air outlets . .... .... ... ........... 131
Air recirculation ... .... .... ..... .. 128
AUTO (standard setting) .... .... ... 127
Automatic a ir recircu lation ... ..... 129
controls . . . . . . . . . . . . . . . . . . . . . . . . 126
Defrosting/defogging .... .... .... . 131
Description ... .... .... ........... 125
ECON .... ... .. .... ...... .... .... 128
Fan .. .... .... .... .... ... .... ... 129
Key -coded setting . .... .... .... ... 132
Recommended settings ........... 125
Setting the temperature .... .... ... 127
Switching between Fahrenheit and
Centigrade . .... .... .... .... ....
128
Switching the air conditioning on and off
128
Using the c limate control economically ..
132
Warm and cold ... .... .... .... ... 125
Clock ... .... .... .... ... .. ...... .... . 14
Closing
Power sunroof ....................
68
Coat hooks . . . . . . . . . . . . . . . . . . . . . . . . . 124
Co ld tire inflation pressure .... .... ... 297
Coming-home-function .... .... ...... . 77
Compartments in the door trims ..... . 124
Compass mirror .. .... .... ..... .. .... 93
Consumer Information .... ........... 345
Continuously Variable Transmission (CVT)
See multitronic™ .. .... ........... 149

___ A_l-=- p _h_ a_ b_e _t_ic _ a_l _in _ d_e _x ____________________________________________ _
Starting .. .. .. ...... .... .... 135, 136
Starting with jumper cables ... .... 330
Stopping . .... .... .... ... .... ... 137
Engine compartment ... .. .... .... ... 274
Safety instructions . . . . . . . . . . . . . . . 273
Working the engine compartment .. 273
Engine coolant system . ...... ...... . 280
Adding coolant .. ...... .......... 282
Checking coo lant leve l .. .. .... .... 281
Checking the engine coo lant leve l .. 281
Radiator fan . . . . . . . . . . . . . . . . . . . . . 283
Engine coolant temperature Gauge ...... ...... .... ........... 13
Engine cooling system Ma lfunction .. .... ..... .. .... .... . 31
Engine data ...... .... .... .......... 343
Engine hood Closing . ...... ..... .. .... ...... . 273
How to release the hood . . . . . . . . . . 272
Engine oil ...... .... .... .... ... .... 275
Adding ... .... ... .... .... ...... . 278
Additives . . . . . . . . . . . . . . . . . . . . . . . 278
Changing ... .. .... .... ...... .... 279
Checking the engine oi l level .. .... . 277
Indications and conditions requiring extra
checking ..... .. .... .... ... .... 277
Oil consumption .. .... .... ... .... 277
Oil grades . . . . . . . . . . . . . . . . . . . . . . . 275
Recommended o il check interva ls .. 277
Specification and viscosity . . . . . . . . 275
Engine oil level .. .... .... .... ... .... . 34
Engine oil pressure Malfunction ...... ..... .. .... .... . 32 Engine oil sensor defective
....... .... . 34
Environment Break -in period .. ...... .... .... .. 243
Catalytic converter .. ...... .... ... 244
Disposing of your vehicle battery ... 291
Driving at high speeds .. .... .... .. 245
Driving to minimize pollution and noise . 245
Fuel ... ...... .... ... .. .... .... .. 269
Fuel economy ....... ...... .... .. 245
Leaks under your vehicle ... .... ... 273
Letting the vehicle stand and warm up .. 246
Proper disposa l of drained brake fluid
284
Proper disposal of drained engine
coo lant ...... ............. ..... 282
Proper disposa l of drained engine oil
278 ,279
Recycling used eng ine oil .. .... ... 278
Un leaded fuel ..... .... ... .... ... 267
What should I do with an old battery?
291
EPC
See Electronic power control .. ... .. . 23
ESP
See Electronic stabi ll ization program
(ESP) . ... .... .... ........ ... 22, 236
Event Data Recorder (EDR) .. ....... .. 236
Expansion tank .. .... ... .... .... .... 281
F
Fahrenheit
Switching between Fahrenheit and Centigrade . ...... .... ...... .... 128
Fan Adjusting the fan speed .. ...... ... 129
Climate controls ................. 129
Radiator ...... .... .... ...... .... 283
Fastening eyes ... .... .... .... .... .. 108
Flat tire ............................. 50
Changing .. .... .... ... .... .... .. 318
Flat tire changing .. ...... .... .... .... 50
Floor mats .. ... ... .... .... .... .... . 172
Fog lights ........................... 76
Fo lding master key with remote control . 52
Foot pedals .. .. .. .... .... .... ...... 17 2
For the sake of the environment Gaso line fumes and the environment 269
Letting your engine warm up ....... 136
Reducing engine noise by early upshifting .... .... ... .... .... ... 13
Reducing engine noise by upshift ing
early . .... .... .... ... .... .... ... 13
Refueling .... .... .... ....... .... 269
Saving fuel by early upshifting . .... . 13
Saving fuel by upshifting early .. .... 13
Using the rear window defogger 131, 132
Front airbags
Description . .... .... ... .... .... .. 191
How they work .. .... ... .... .... .. 196
Front ashtray . . . . . . . . . . . . . . . . . . . . . . . 119
Front fog lights .... .... .... .... .... .. 76

Alph ab eti ca l ind ex -
-------------=-----
Front seats
Adjusting .... .... ....... .... .... 169
Adjusting the manual seats .... .... . 96
Child restraints in the front seat .... 189
Heated seats . . . . . . . . . . . . . . . . . . . . . 132
Front seats adjustment Importance for safe driving and riding 95
Frontal c ollisions and the laws of physics ..
177
Fuel Fuel gauge ...... .... .... ... .... .. 16
Fuel consumption Average ....... .. .... .... .... ..... 40
F uel filler flap
Un locking the fuel fi ller flap by hand 271
F uel gauge .... .... .... .... .... .... .. 16
Fuel supp ly
Addi tives ... .. .... .... ...... ... .. 267
Blended gasol ine ... .. .... ... .... . 267 Fuse arrangement
............. .... .. 327
G
Garage door opener ... .... .... .... .. 157
Gas discha rge lamps .. ...... .... ... . 328
Gauges Engine coolant temperature ......... 13
Fuel gauge .. ....... .... .... ...... 16
Speedometer ... .. .... .... .... ... . 15
Tachome te r .. ... .... .... .... .... . 13
Tr ip odometer .. ...... .... .... ... . 15
Gearsh ift lever .... .. ... .. .... .... ... 142
Genera l il lustration
Instruments and controls .. .... ..... 11
Generator Warning/ind ica tor lights ...... .... .. 22
G lossary of tire and loading term inology ...
29 4
Fuel fi ller neck ... .... .... ...... .. 268 G love compartment ... .. .... .... .... 122
Fuel gauge ...... .... .... ... .... .. 16 Light .... .... .... .... .... .... ... . 81
Fuel tank capacity ............. 16,268 Gross Veh ic le Weight Rating (GVWR) ... 341
Gaso line .. ....... .... .... ....... 267
Gaso line additives ................ 268
H
Instantaneous fuel consumption ..... 41
Octane rating .................... 267 Head restraints ..
.... .... .... ....... 171
Recommendation .... .... ..... .. . 267 Adjusting
....... ... .. .... .... ... 171
Re fuel ling ....................... 269 Rear seats
.......... ...... .... ... 106
Un locking the fuel fi ller flap by hand 271 Headl
ight
Fuel supp ly too low .. .... .... .... .... . 34 Defective .....
........ ............ 35
Fue l tank Headlight
range co ntr ol
Capacity ... .. .... .... ... .... .... 268 de
fective ..... ... .... .... .... .... . 34
Capacity (ga llons/l it res) .. ...... .... 1 6 Headlight washer reservoir ........... 291 Headlights
.. ... .... ... .. ...... .... .. 72
Adaptive light .. .... ............. .. 75
Front fog l ig hts .................... 76
Switching off ..................... 72
Switching on .......... ........ .... 72
Washer system . ....... ... .... .... . 87
Heated rear seats ...... .... .... .... ... .. 133
Heated outside mirrors ... .... .... ..... 91
Heated seats rear . ... .. .... .... ... .... ..... .. 1 33
Heated washer jets Wiper and washer system ........... 85
Heavy cl othing and safety belts .. ...... 1 80
High beam ....... ........ ....... . 72, 80
Warning/ind icator lights ........ .... 23
High vo ltage warning label ........... 340
Ho melink® U niversal Rad io- Frequency Re-
mote Contro l .. .. .... ...... .... . 157
Hood Opening ...... .... ... .... .... ... 272
Release lever ....... ... .... .... ... 272
Hor n ... .... .... .... .... ... .... .... . 1 1
How many airbags does my vehicle have? ..
19 4
How often shou ld I check my tire pressures?
300
How safety be lt tensioners work ....... 185
How to increase the loading surface .. . 104
Hydroplaning ..... ... .... .... ...... . 30 4
Controls and equip­
ment Safety first Vehicle operation
Vehicle care Do-it-yourself service Technical data