check engine light AUDI A3 SEDAN 2018 Owner's Manual

LL co .... N
" N .... 0 N > co
Fuses and bulbs
Fuses
Changing fuses
A fuse that has blown will have metal strips that
have burned through .
Fig. 2 96 Steering column area: cover
Fig. 297 Left s ide of the eng ine compartment: fu se cover
T h e fuses a re loca ted behind a cover in t he stee r­
ing column area ¢
fig. 296 or under a cover on
the left side of the engine compartment
¢ fig. 297.
.. Switch the ignition and all e lectr ica l equipment
off.
.. Check the following table to see which fuse be ­
longs to the equipment
¢ page 372 .
.. Remove the cover .
.. Remove the plastic cl ip from the fuse panel
cove r in the engine
compartment¢ fig. 297 .
.. Remove the fuse using the plastic clamp .
.. Replace the burned fuse w ith an identical new
one .
.. Reinsert the cove r.
Fuses and bulbs
Fuse color identification Color Current rating
in amps
Black 1
P urple 3
Light brown 5
Brown 7.5
Red 10
Blue 15
Yellow 20
W hite or tra nspa rent 25
Green 30
O range 4 0
_& WARNING
-
Do not repair fuses and neve r rep lace a blown
f u se with one that has a higher amp rating.
This can cause damage to the e lectr ica l sys­
tem and a fi re .
@) Note
If a new fuse burns out again shortly afte r you
have insta lled it, have the electrical system
chec ked as soon as poss ible by an authorized
Audi dealer or authorized Audi Service Fac ili­
ty.
(D Tips
- The following table does not list fuse loca­
tions that are not used.
- Some of the equipment listed in the fo llow­
ing tables applies on ly to certain model ver­
sions or certa in optional equipment.
371

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@ For the sake of the environment
-Changing the engine settings wi ll adversely
affect emission leve ls. Th is is detrimental to
the env ironment and increases fuel con ­
sumption.
- A lways observe environmenta l regu lations
when disposing of old engine o il, used brake
flu id, d irty engine coolant, spent batteries
or worn out tires.
- Undeployed airbag modules and pretension­
ers might be classified as Perchlorate Mate­
rial -spec ial handl ing may apply, see
www .dtsc.ca .gov/hazardouswaste/perch lo­
r ate. When the vehicle or pa rts of t he re­
stra int system includi ng a irbag mod ules
s af ety be lts with pretens ioners a re scrap ­
ped, a ll applicab le laws and regulations
must be observed. Your a uthorized Audi
dealer is fam iliar with these requirements
and we recommend that you have your dea l­
er perform this service for you.
Accessories and
technical changes
Additional accessories and parts
replacement
Always consult on authorized Audi dealer before
purchasing accessories.
Audi ve hicles that are constructed with advanced
materials like Steel/Aluminum (Hybrid construc­
tion), Aluminum (Aud i Space Frame), and/or Alu­
minum/Carbon Fiber (Ultra Advanced Light
We ight Materials) are as unique as the ir dr ivers .
Therefo re, the ava ilability of certain parts needed
for repa ir , restorat ion, or reconstruction w ill be
rest ricted , or pa rts will be unava ilable, if the ve ­
hicl e is not repa ired at an a uthorized Aud i co lli­
sion repair facility . This includes but is not limi t­
ed to structura l parts which require specia lized
training and equipment to restore their crash ­
worthiness back to the original NHTSA and IIHS performance.
Your vehicle incorporates the latest safety design
features ensuring a high standard of active and passive safety.
Con sum er In form ation
This safety could be compromised by non -ap ­
proved changes to the vehicle. For t his reason, if
parts have to be rep laced, p lease observe the fol ­
lowing points when install ing additional accesso­
ries:
Approved Audi accessories and genuine Audi parts are avai lab le from authorized Aud i dea lers.
T hese dea le rs a lso have t he necessa ry fa cilit ies,
tools and trained specialists to install the pa rts
and accessories proper ly .
A WARNING
--
Using the wrong spare parts or using non -ap­
proved accessories can cause damage to the
vehicle and serious personal injury.
- Use on ly 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.
- Do not use license p late brac kets in the
front area that are d ifferent from the one
installed at the factory, or add additional
li­
cense plate brackets.
- 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 a re tr iggered in an accident!
- Before you check anyth ing in the eng ine
compa rtment, always read and heed all
WARN INGS
~page 318.
@ Note
- If items other than genu ine Audi spare
parts, add-on equipment and accessory
items are used or if repa ir work is not per­
form ed according to specified methods, th is
c an result in seve re damage to you r vehi­
cle's eng ine and body (s uch as cor rosion)
and adve rsely affec t your ve hicle's warranty.
- If emergency repa irs m ust be pe rformed
elsew here, have the vehicle ex am ined by an
authorized A udi dealer as soon as possib le .
- Th e manufac ture r ca nnot be he ld liable fo r
damage wh ic h occur s d ue to fail ure to com ­
ply with these stipulations.
385

Index
Compass in the mirror . . . . . . . . . . . . . . . . . . 57
Compl iance . . . . . . . . . . . . . . . . . . . . . . . . . . 386
connect e-tron services ......... .... .. .
Connection manager
Connections 199
244
refer to Med ia . . . . . . . . . . . . . . . . . . 223, 232
Consumer I nformat ion . . . . . . . . . . . . . 258, 383
Consumpt ion (f uel) . . . . . . . . . . . . . . . . . 17 , 18
Contact ing NHT5A . . . . . . . . . . . . . . . . . . . . 258
Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
Additional directory . . . . . . . . . . . . . . . . . . 245
Impo rt ing/exporting . . . . . . . . . . . . . . . . . 187
Memory capacity . . . . . . . . . . . . . . . . . . . . 188
Storing as dest ination . . . . . . . . . . . . . . . . 208
Control buttons (operating the M MI) . . . . . 156
Contro l knob with joystick f unction (MMI op­
e ration) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Convenience key Emergency operat ion . . . . . . . . . . . . . . . . . . 79
Starting/stopping the engine . . . . . . . . . . . 76
Unlock ing/ lock ing . . . . . . . . . . . . . . . . . . . . 34
Convenience opening/closing . . . . . . . . . . . . 40
Conve rtible ch ild safety sea ts . . . . . . . . . . . 302
Convert ible locking retractor
Activating . . . . . . . . . . . . . . . . . . . . . . . . . . 307
D eactivating . . . . . . . . . . . . . . . . . . . . . . . . 308
Using to secure a child safety seat . . . . . . 307
Cooling down . . . . . . . . . . . . . . . . . . . . . . . . . 72
Cooling mode Automatic climate control system . . . . . . . 69
Cooling system Add ing coolant . . . . . . . . . . . . . . . . . . . . . . 325
Coolan t . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324
Coolant leve l checking . . . . . . . . . . . . . . . . 325
Coolant temperature indicator . . . . . . . . . . 11
C ru ise contro l system . . . . . . . . . . . . . . . . . . 120
Cup holders . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Curre nt cons umption . .. ..... ... .. .. . 17 , 18
D
Data co nnect ion . . . . . . . . . . . . . . . . . . . . . . 196
Data pro tec tio n . . . . . . . . . . . . . . . . . . . . . . . 197
D ata recorder . . . . . . . . . . . . . . . . . . . . . . . . 152
D ate ..... ... .. .. ................ ... . 24 3
Date display . . . . . . . . . . . . . . . . . . . . . . . . . 243
Daytime runni ng lights . . . . . . . . . . . . . . . . . 49
390
Decla ration of compliance . . . . . . . . . . . . . . 386
Defrosting (windows) Automat ic cl imate cont ro l system . . . . . . . 70
DEF (instrument cluster) . . . . . . . . . . . . . . . . 12
De luxe automa tic climate contro l
refer to Climate control system
(automatic) . . . . . . . . . . . . . . . . . . . . . . 68, 69
De mo mode
refer to Pr esen ta ti on mode . . . . . . . . . . . . 209
Determ ining correct load lim it . . . . . . . . . . 345
Digital compass . . . . . . . . . . . . . . . . . . . . . . . 57
D igital R ights Ma nagement . . . . . . . . . . . . . 223
D imensions . . . . . . . . . . . . . . . . . . . . . . . . . . 381
D imm ing t he exterior mi rro rs . . . . . . . . . . . . 5 4
D imm ing t he rearv iew m irror . . . . . . . . . . . . 54
D irecto ry
refer to Contacts . . . . . . . . . . . . . . . . . . . . 186
D isplay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . 357
Infotainment system disp lay . . . . . . 155, 244
Instrument cluster . . . . . . . . . . . . . . . . . . . . 16
Mult ifunct ion steer ing whee l . . . . . . . . . . . 13
D ista nce . . . . . . . . . . . . . . . . . . . . . . . . . . 17 , 18
Doors Child safety lock . . . . . . . . . . . . . . . . . . . . . . 39
Door con tact sw itch . . . . . . . . . . . . . . . . . . . 52
E mergency release . . . . . . . . . . . . . . . . . . . . 36
also refer to Unl ocking/locking .... 3 1, 33 , 34
Driver informat ion system
Chang ing v iews . . . . . . . . . . . . . . . . . . . . . . 13
E conomy tips (analog instrument cluster) . 19
E ffic iency program . . . . . . . . . . . . . . . . . . . . 19
E ne rgy cons ume rs (Aud i v ir tu al co ckpit) . . 18
Ou tside temperat ure display. . . . . . . . . . . . 12
Service interva l display . . . . . . . . . . . . . . . 328
T rip computer (analog instrument cl uster . 18
Tr ip comp uter (A udi v irtual cockpit) . . . . . . 17
V iew . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Drive r seating position . . . . . . . . . . . . . . . . . 250
Drives
refer to M edia . . . . . . . . . . . . . . . . . . 223, 232
D rive select
refer to Aud i drive select . . . . . . . . . . . . . . 140
Drivi ng econom ica lly . . . . . . . . . . . . . . . . . . . 73
D rivi ng safely . . . . . . . . . . . . . . . . . . . . . . . . 249
Driving thro ugh water . . . . . . . . . . . . . . . . . . 72

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Driving time ... ... .. ..... ... .. .. ... 17 , 18
Dust filter
refer to Pollutant filte r . . . . . . . . . . . . . . . . 68
DVD dr ive (media dr ives) 224
Dynamic vo lume
refer to System vo lume . . . . . . . . . . . . . . . 248
E
E-ma il 184
e-tron
Navigation . . . . . . . . . . . . . . . . . . . . . . . . . 217
also refer to P lug-in hyb rid dr ive . . . . . . . . 92
eco mode (automatic climate control system) .69
E conomical route . . . . . . . . . . . . . . . . . . . . . 208
E ff iciency program . . . . . . . . . . . . . . . . . . . . . 1 9
Electric drive . . . . . . . . . . . . . . . . . . . . . . . . . . 92
E le ct ric range . . . . . . . . . . . . . . . . . . . . . . . . 217
Electromechanical parking brake . . . . . . . . . 81
Electromechanica l steering . . . . . . . . . . . . . 15 1
Elect ronic D ifferent ial Lock (EDL) . . . . . . . . 148
Electronic immob ilizer . . . . . . . . . . . . . . . . . . 32
E lect ronic S tabili zation Control ( ESC) . . . . . 148
Emergency assistance . . . . . . . . . . . . . . . . . 360
Emergency braking function . . . . . . . . . . . . . 82
E me rgency flashe rs . . . . . . . . . . . . . . . . . . . . S 1
Emergency operat ion
Fuel filler door . . . . . . . . . . . . . . . . . . . . . . 317
Emergency starting .. ..... ... .. .. .... . 375
E m iss ions cont rol system . . . . . . . . . . . . . . 317
Energy consumers . . . . . . . . . . . . . . . . . . . . . 18
E ne rgy management . . . . . . . . . . . . . . . . . . 152
E ng ine
Coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324
Ju mp starting . . . . . . . . . . . . . . . . . . . . . . . 375
Ju mp s tarting (plug -in hyb rid drive) . . . . . 102
M essages . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Start/Stop system . . . . . . . . . . . . . . . . . . . . 79
Starting/stopping (button) . . . . . . . . . . . . . 76
Starting/stopping (key) . . . . . . . . . . . . . . . . 7 S
Warm ing up/coo ling down . . . . . . . . . . . . . 72
E ng ine compartmen t
Opening/closing the hood . . . . . . . . . . . . . 320
Overview ..... ... .. ..... ... .. .. .... . 32 1
Safety preca utions . . . . . . . . . . . . . . . . . . . 3 18
E ng ine data
refer to Spo rt displays . . . . . . . . . . . . . . . . . 20
Ind ex
Engine oi l
Adding . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321
Chang ing . . . . . . . . . . . . . . . . . . . . . . . . . . 324
Checking oil level . . . . . . . . . . . . . . . . . . . . 321
Consumption . . . . . . . . . . . . . . . . . . . . . . . 321
Dipst ick .... ... .. .. ................ . 321
Oil change interval . . . . . . . . . . . . . . . . . . . 328
T emperature display . . . . . . . . . . . . . . . . . . 19
Enhanced view . . . . . . . . . . . . . . . . . . . . . . . . 14
Ente ring characte rs/numbers (speller) . . . . 161
Entering letters (speller) . . . . . . . . . . . . . . . 161
Entertainment sliding menu . . . . . . . . . . . . 159
E nt ry/ exit lig hting . . . . . . . . . . . . . . . . . . . . . S 1
Entry assistance
refer to Seats . . . . . . . . . . . . . . . . . . . . . . . . 60
Environment Proper disposa l of drained engine oil . . . . 324
U nleaded gasoline . . . . . . . . . . . . . . . . . . . 314
E SC
refer to Electronic Stabilization
Control (ESC) . . . . . . . . . . . . . . . . . . . . . . . 148
E vent Data Reco rder ( EDR) . . . . . . . . . . . . . 152
Exterior lighting . . . . . . . . . . . . . . . . . . . . . . . 49
E xterior mirrors . . . . . . . . . . . . . . . . . . . . . . . 53
Folding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Folding settings . . . . . . . . . . . . . . . . . . . . . . 35
Ex terna l voice ope ra tion . . . . . . . . . . . . . . . . 175
F
Factory default sett ings
Mult i Media Interface . . . . . . . . . . . . . . . . 244
Fader (sound) . . . . . . . . . . . . . . . . . . . . . . . . 24 7
F astening
Booster seats . . . . . . . . . . . . . . . . . . . . . . . 304
Convertib le child safety seats . . . . . . . . . . 302
Infant seats . . . . . . . . . . . . . . . . . . . . . . . . 300
Fast forwarding/rewind ing (a udio/video
f ile) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
Fast forwarding (aud io/video file) . . . . . . . . 232
Fast route 208
Favor ites
Med ia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234
Nav iga tion . . . . . . . . . . . . . . . . . . . . . . . . . 203
T elep hone . . . . . . . . . . . . . . . . . . . . . . . . . . 182
Federal Commun ications Comm iss ion (FCC) 386
File formats (med ia drives) . . . . . . . . . . . . . 237
391