2016 AUDI A3 check engine

Consumer inf orm ation
@ For the sake of the env ironment
- Changing the engine settings wi ll adversely
affect emission levels. Th is is detrimental to
the environment and increases fuel con­
sumption.
- A lways observe environmental regu lations
when disposing of old engine o il, used brake
fl ui d, d irty engine coolant, spent batteries
or worn out tires.
- Undeployed airbag modules and pretension­
ers mig ht be classified as Perchlorate Mate­
rial -special handl ing may apply, see
www.dtsc .ca.gov/hazardouswaste/perchlo­
r ate. When the vehicle or parts of the re­
straint system including airbag modu les
safety be lts wi th pretensioners are scrap­
ped, all applicab le laws and regulations
must be observed. Your authorized Audi
dealer is familiar with these requirements
and we recommend that you have your deal­ er perform this service for you.
Accessories and technical changes
Additional accessories and parts replacement
Always consult an authorized Audi dealer before
purchasing accessories.
Your vehicle incorporates the latest safety design
features ensuring a high standard of active and passive safety.
This safety could be comp romised by non-ap­
proved changes to the vehicle . For this reason, if
parts have to be replaced, please observe the fo l­
lowing points when insta lling addit ional accesso­
ries:
Approved Audi accessories and genuine Audi parts are available from author ized Audi dealers.
These dealers also have the necessary facilities,
too ls and trained specialists to install the parts
and accessories properly.
308
A WARNING
-
Using the wrong spare parts or using non-ap-
proved accessories can cause damage to the
vehicle and serious personal injury.
- Use only accessories expressly approved by
Aud i and genuine Audi spare parts
- These parts and accessor ies have been spe­
cially designed to be used on your vehicle.
- Never install accessor ies such as telephone
cradles or beverage holders on airbag covers
or w ith in the airbag deployment zones. Do­
ing so will increase the risk of injury if a ir­
bags are triggered in an accident!
- Before you check anything in the eng ine
compartment, always read and heed all
WARN INGS
Qpage 236.
(D Note
-If items other than genu ine Audi spare
parts, add-on equipment and accessory
items are used or if repair wor k is not per­
formed a ccording to specified methods, this
c an resul t in severe damage to you r vehi­
cle's eng ine and body (such as corrosion)
and adve rsely af fect your vehicle's war ranty.
- I f emergency repai rs must be performed
elsewhere, have the vehicle exam ined by an
authorized A udi dealer as soon as possib le .
- T he manuf acture r ca nnot be held liable for
damage which occurs d ue to failure to com ­
ply with these stipulations.
Technical Modifications '
Our guidelines must be complied with when tech ­
nical modifications are made .
Always consult an a uthorized Audi de aler bef ore
sta rt ing work on any modifica tions.
This will help ensure that vehicle fu nction, per­
fo rmance and safety are not impaired
Q ,& .
Attempting to work on electronic components
and the software used with them can cause mal­
funct io ns. Because of the way elect ronic compo­
nen ts a re interconnected with each othe r, such
malfunc tions c an also have an adverse affect on
othe r systems that are not d irectl y involved. This ..,.

,....,
N
0 > co ,...., Climate control system (manual) Adjusting air vents . . . . . . . . . . . . . . . . . 71, 74
Ad justing the temperature . . . . . . . . . . . . . 71
Air distribution, air vents....... ........ 71
Blower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Defrosting windows . . . . . . . . . . . . . . . . . . . 71
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Rear window defogger ............... .. 74
Recirculation mode . . . . . . . . . . . . . . . . . . . 71
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
C losing
Hood . ... .. .................. ..... . 238
Panorama roof . . . . . . . . . . . . . . . . . . . . . . . 44
Windows .. .. ............... .. .. .. .. 43
C losing/opening
by remote control . . . . . . . . . . . . . . . . . . . . 3 7
with the central locking sw itch . . . . . . . . . . 39
with the convenience key. . . . . . . . . . . . . . . 38
with the door lock . . . . . . . . . . . . . . . . . . . . 39
Cockpit (overview) . . . . . . . . . . . . . . . . . . . . . . 8
Coming home . . . . . . . . . . . . . . . . . . . . . . . . . 48
Compartments . . . . . . . . . . . . . . . . . . . . . . . . 62
Compass in the mirror . . . . . . . . . . . . . . . . . . 55
Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . 309
Consumer information . . . . . . . . . . . . . . . . . 306
Consumer Informat ion . . . . . . . . . . . . . . . . . 17 4
Consumption (fuel) . . . . . . . . . . . . . . . . . . . . 29
Contacting NHT5A . . . . . . . . . . . . . . . . . . . . 174
Convenience key Emergency operation . . . . . . . . . . . . . . . . . . 84
Indicator light . . . . . . . . . . . . . . . . . . . . . . . 84
Starting the engine (STAR T ENGINE STOP
button) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Stopping the engine (S TART ENGINE STOP
button) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Switching on the ignition . . . . . . . . . . . . . . 82
unlocking/locking . . . . . . . . . . . . . . . . . . . . 38
Conven ience opening/closing . . . . . . . . . . . . 43
Convertible child safety seats . . . . . . . . . . . 216
Convertible locking retractor
Activating . . . . . . . . . . . . . . . . . . . . . . . . . . 221
Deactivating . . . . . . . . . . . . . . . . . . . . . . . . 222
Using to secure a child safety seat . . . . . . 221
Coolant
refer to Engine coolant . . . . . . . . . . . . . . . 244
Cooling mode (automatic climate control sys-
tem) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Index
Cooling mode (manual climate control sys-
tem) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Cooling system Adding coolant . . . . . . . . . . . . . . . . . . . . . . 245
Coo lant level checking . . . . . . . . . . . . . . . . 245
Coolant temperature indicator . . . . . . . . . . 12
Indicator light . . . . . . . . . . . . . . . . . . . . . . . 20
Cornering light . . . . . . . . . . . . . . . . . . . . . . . . 46
Cruise control system Changing speed . . . . . . . . . . . . . . . . . . . . . 131
Description . . . . . . . . . . . . . . . . . . . . . . . . . 130
Preselecting speed . . . . . . . . . . . . . . . . . . . 131
Switching off . . . . . . . . . . . . . . . . . . . . . . . 131
swit ching on . . . . . . . . . . . . . . . . . . . . . . . . 131
Cup holders . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Current consumption . . . . . . . . . . . . . . . . 28 , 29
D
Data recorder . . . . . . . . . . . . . . . . . . . . . . . . 158
Date display . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Daytime running lights . . . . . . . . . . . . . . . . . 46
Declaration of compliance Adaptive cruise control . . . . . . . . . . . . . . . 309
Audi s ide ass ist . . . . . . . . . . . . . . . . . . . . . 309
Cell phone package . . . . . . . . . . . . . . . . . . 309
Convenience key . . . . . . . . . . . . . . . . . . . . . 309
Electronic immobilizer. . . . . . . . . . . . . . . . 309
Homelink universal remote contro l . . . . . 309
Remote control key . . . . . . . . . . . . . . . . . . 309
Defective light bulb warning
Indicator light . . . . . . . . . . . . . . . . . . . . . . . 25
Defrosting (w indshield)
automatic climate control system . . . . . . . 73
manual climate control system....... .. . 71
DEF (instrument cluster) . . . . . . . . . . . . . . . .
11
Deluxe automatic climate control
refer to Climate control system (automatic) .7.2
Determining correct load limit . . . . . . . . . . 268
Diesel Indicator light . . . . . . . . . . . . . . . . . . . . . . . 23
Preheating (button) . . . . . . . . . . . . . . . . . . . 82
Preheat ing (key) . . . . . . . . . . . . . . . . . . . . . . 80
Diesel fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
Diesel particulate fi lter . . . . . . . . . . . . . . . . 233
Digital compass . . . . . . . . . . . . . . . . . . . . . . . 55
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . 302
313

,....,
N
0 > co ,...., Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
adding . ... .. ............... .. .... . 242
Changing . . . . . . . . . . . . . . . . . . . . . . . . . . 243
Checking the oil level . . . . . . . . . . . . . . . . . 242
Dipstick .. .. .. .............. 239,240,242
Indicator light . . . . . . . . . . . . . . . . . . . . . . . 20
o ·l · 1 consumption . . . . . . . . . . . . . . . . . . . . . 241
Specification and viscosity . . . . . . . . . . . . . 240
Temperature indicator . . . . . . . . . . . . . . . . . 32
Use . .. .. .. .. .... .. .. ....... .. .. .. . 242
Engine preheater . . . . . . . . . . . . . . . . . . . . . . 7 S
Engine speed limitation (indicator light) . . .
24
Environment
Break-in period . . . . . . . . . . . . . . . . . . . . . . . 77
Catalytic converter . . . . . . . . . . . . . . . . . . .
232
Diesel particulate filter . . . . . . . . . . . . . . . 233
Disposing of your vehicle battery . . . . . . . 250
Driving at high speeds . . . . . . . . . . . . . . . . . 78
Letting the vehicle stand and warm up . . . . 7 8
Proper disposal of drained brake fluid . . . 246
Proper disposal of drained engine oil . . . . 243
Unleaded gasoline . . . . . . . . . . . . . . . . . . . 228
What should I do with an old battery? . . . 250
EPC (engine control) . . . . . . . . . . . . . . . . . . . . 23
ESC
Automatic post-collision braking system .
159
Electronic stabilization control . . . . . . . . . 159
Sport mode . . . . . . . . . . . . . . . . . . . . . . . . 160
also refer to Electronic Stabilization Control
(ESC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
159
ESP
refer to Electronic Stabilization
Control (ESC) . . . . . . . . . . . . . . . . . . . . . . .
159
Event Data Recorder (EDR) . . . . . . . . . . . . . 158
Exterior lighting . . . . . . . . . . . . . . . . . . . . . . . 46
Exterior mirrors
Adjusting . . . . . . . . . . . . . . . . . . . . . . . . . . . SO
D' . 1mming ... .. ................ ..... .. 51
folding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SO
Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SO
F
Fastening
Booster seats . . . . . . . . . . . . . . . . . . . . . . .
218
Convertible child safety seats . . . . . . . . . . 216
Infant seats .. .... .... ..... ... ... .. . 215
Filling AdBlue
with bottle
Index
235
Floor mats . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Fog lights/rear fog light(s) . . . . . . . . . . . . . . 46
Folding the exterior mirrors
Center locking . . . . . . . . . . . . . . . . . . . . . . .
39
Folding the rear seats . . . . . . . . . . . . . . . . . . . 65
Foot pedals . . . . . . . . . . . . . . . . . . . . . . . . . .
171
Footwell lighting . . . . . . . . . . . . . . . . . . . . . . 49
For the sake of the env ironment
Environmentally-friendly driving . . . . . . . . 77
Fueling . . . . . . . . . . . . . . . . . . . . . . . . . . . .
230
Leaks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Rear w indow defogger...... ...... .. .. . 74
Front airbags Description . . . . . . . . . . . . . . . . . . . . . . . . .
188
How they work . . . . . . . . . . . . . . . . . . . . . . 194
Frontal collisions and the laws of physics . . 177
Front armrest . . . . . . . . . . . . . . . . . . . . . . . . . 59
Front passenger's door emergency locking . . 41
Front seats
Adjusting . . . . . . . . . . . . . . . . . . . . . . . . . .
168
Child res traints in the front seat . . . . . . . . 185
also refer to Seats 57,64
Fuel Additives . . . . . . . . . . . . . . . . . . . . . . . . . . .
228
Blended gasoline . . . . . . . . . . . . . . . . . . . . 228
Current consumption . . . . . . . . . . . . . . . . . . 29
Fuel filler neck . . . . . . . . . . . . . . . . . . . . . . 230
Fuel gauge . . . . . . . . . . . . . . . . . . . . . . . 10, 12
Fuel tank capacity . . . . . . . . . . . . . . . . . . . 303
Gasoline . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
Gasoline additives . . . . . . . . . . . . . . . . . . . 229
Indicator light . . . . . . . . . . . . . . . . . . . . . . . 24
Saving fuel .. .. .. .. .............. 77, 148
Fuel economy messages (efficiency program) 3.1
Fueling
Fuel filler door eme rgency release . . . . . .
232
Fuel gauge . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Fuel tank capacity . . . . . . . . . . . . . . . . . . . 303
Open ing the fuel filler door . . . . . . . . . . . . 230
Fuses
Assignment . . . . . . . . . . . . . . . . . . . . . . . .
292
Interior . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291
replacing . . . . . . . . . . . . . . . . . . . . . . . . . . 29 1
315

Index
G
Garment hooks . . . . . . . . . . . . . . . . . . . . . . . . 63
Gas discharge lamps . . . . . . . . . . . . . . . . . . . 294
Gasoline . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
Octane rating . . . . . . . . . . . . . . . . . . . . . . . 228
Recommendation . . . . . . . . . . . . . . . . . . . . 228
Glossary of tire and loading terminology . . 255
Glove compartment . . . . . . . . . . . . . . . . . . . . 63
CD changer . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Gross Vehicle Weight Rating (GVWR) . . . . . 301
H
Headlight range control system . . . . . . . . . . 46
Indicator light . . . . . . . . . . . . . . . . . . . . . . . 25
Headlights . . . . . . . . . . . . . . . . . . . . . . . . 46, 48
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
Headlight range control system . . . . . . . . . 46
Left hand drive, right hand drive . . . . . . . . . 49
Travel mode . . . . . . . . . . . . . . . . . . . . . . . . . 49
Washer system . . . . . . . . . . . . . . . . . . . . . . 52
Head restraints ... ................ .... 170
adjusting . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Adjusting . . . . . . . . . . . . . . . . . . . . . . . . . . 17 0
removing and installing . . . . . . . . . . . . . . . .
60
Heated
exterior mirrors . . . . . . . . . . . . . . . . . . . . . . SO
Rear window .... ................ .....
74
Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Washer fluid noz zles . . . . . . . . . . . . . . . . . . 52
Heating (diesel engine auxil iary heater) . . . . 75
Heavy clothing and safety belts . . . . . . . . . . 178
Hex socket . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
H igh-voltage battery . . . . . . . . . . . . . . . . . . . 99
High-voltage warning label . . . . . . . . . . . . . 301
Highway light . . . . . . . . . . . . . . . . . . . . . . . . . 47
Hill descent control . . . . . . . . . . . . . . . . . . . . 93
Hill hold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Hill hold ass ist
refer to Hill hold ............. .... .... 87
Horn 8
How are child restraint system anchors relat-
ed to child safety . . . . . . . . . . . . . . . . . . . . .
222
How many airbags does my vehicle have? . . 191
How safety belt pretensioners work . . . . . . 182
316
I
Ignition
Establishing drive ready mode (plug-in hy-
brid drive) . . . . . . . . . . . . . . . . . . . . . . . . . .
100
Indicator light . . . . . . . . . . . . . . . . . . . . . . . 21
Switching off (plug-in hybrid drive) . . . . . 100
Switching on/off (with button) . . . . . . . . . . 82
Switching on (plug -in hybrid drive) . . . . . . 100
Ignition key safety interlock . . . . . . . . . . . . . 80
Ignition lock
mechan ical . . . . . . . . . . . . . . . . . . . . . . . . . .
80
Imbalance (wheels) . . . . . . . . . . . . . . . . . . . 261
Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Important things to do before driving . . . . 166
Improperly worn safety belts . . . . . . . . . . . 182
Indicator lights . . . . . . . . . . . . . . . . . . . . 13, 101
Infant seats . . . . . . . . . . . . . . . . . . . . . . . . . 215
Inflation pressure (tires) . . . . . . . . . . . . . . . 263
Inspection interval
with driver information system . . . . . . . . .
252
Installing child safety seats
Safety belts . . . . . . . . . . . . . . . . . . . . . . . .
219
Installing the upper tether strap on the an­
chorage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226
Instrument cluster . . . . . . . . . . . . . . . . . . . . . 10
Plug-in hybrid drive . . . . . . . . . . . . . . . . . . 101
Instruments . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Adjusting the lighting . . . . . . . . . . . . . . . . . SO
Interior lighting . . . . . . . . . . . . . . . . . . . . . . .
49
Intermittent (windshield wipers) . . . . . . . . . 52
J
Jump-starting . . . . . . . . . . . . . . . . . . . . . . . . 295
Jump start cables . . . . . . . . . . . . . . . . . . . . . 296
Jump starting 108
K
Key........ .. .. .. .. .. .. ........... .. . 35
Checking the number. . . . . . . . . . . . . . . . . . 35
Key not recognized . . . . . . . . . . . . . . . . . . . 84
Key replacement . . . . . . . . . . . . . . . . . . . . . 35
Messages (ignition lock) . . . . . . . . . . . . . . . 84
Messages (with convenience key) . . . . . . . . 84
Replacing the battery . . . . . . . . . . . . . . . . . 36
unlocking/locking ......... ..... 37, 38, 39