check engine light AUDI S3 SEDAN 2015 Owner's Manual

Checking and Fill in g
negative cable on the battery must be dis·
connected. If you are just going to replace a
light bulb, then it is enough to switch off
the lights .
- Before disconnecting the battery, switch off
the anti-theft alarm system! Otherwise you
will set off the alarm .
- When disconnecting the battery, first dis­
connect the negative cable and then the
posit ive cab le.
- Before reconnect ing the battery, make sure
all electrical consumers are switched off . Re ­
connect the pos itive cable first and then the
negative cable . Never intercha nge the ca­
bles -th is could star t a fire!
- Never charge a froze n or a thawed-out bat­
te ry.
It co uld explode! If a batte ry has fro­
zen, then it m ust be repl aced. A d isc harged
b at tery can free ze over at 3 2 °F (0 °C).
- Make sure the vent hose is always attached
to the opening on the side of the battery .
- Never use batte ries which are damaged.
T he re is the danger of an explos ion! Always
replace a damaged battery.
_& WARNING
California P ropos ition 65 Warning:
- Battery posts , termina ls and re lated acces­
sories contain lead and lead compounds ,
chemicals known to the Sta te of C alifornia
to cause ca nce r and reproductive problems.
Wash hands after hand ling.
(D Note
- Do not d isconnect t he ve hicle battery when
the ignition is o n or when the engine is run ­
ning, othe rwise , you w ill damage electronic
components in the electrical system .
- If your vehicle is going to stand for a long
period of time without be ing driven, p rotect
the battery from "freezing", otherwise it
will be damaged and will then have to be re­
placed.
210
Battery charging
Starting the engine requires a well charged bat­
tery .
Fig. 16 4 En g in e compa rtmen t: connecto rs fo r a c harg er
and jump start c ables
Always read and heed all WARNINGS below
c> .& and q .& in Working on the battery on
page 209 .
.,.. Switch off the ignition and all elec trical con­
sumers.
.,.. Make s ure the area is we ll ventilated when you
charge the battery .
.,.. Open the eng ine hood
q page 199 .
.,.. Open the red cover on the positive pole
q fig. 164 .
.,.. Clamp the charge r te rm inal clamps as inst ruct­
ed on the
battery terminal (+ ) and o nly on the
body ground point (· ).
.,.. On ly now plug the mains lead for the charging
equ ipmen t in to the wall outlet and turn it on
~ .& -
... Make sure the charging rate is not ov er
30 amps / 14 .8 Volt .
.,.. When the bat tery is fully cha rged : Tur n the
charg ing equipment off and remove the mains
lead from the wall outlet.
.,.. Now remove the clamps fo r the charging equip -
ment .
.,.. Close the red cover on the positive pole.
.,.. Close the hood
c> page 200.
A d ischarged battery can freeze at temperatures
of only 32 F
0 (0 °C) . Allow a frozen battery to
thaw complete ly before attempting to charge it
~ .&. . However, we recommend not using a
thawed battery aga in because the battery casing ..,_

Fuses and bulbs
Fuses and bulbs
Electrical fuses
Replacing fuses
A fuse that has blown will have metal strips that
have burned through.
Fig. 184 Steering column area: cover
Fig. 1 85 Left side of the engine compartment: fuse cover
Fuses in the interior
The fuses are behind the cover in the steering col­
umn a rea
r::;,fig. 184.
" Switc h the ignition and all e lectr ica l equipment
off .
" Check the following table to see which fuse be­
l o ngs to the equipment
r::;, page 249.
"Remove the cover ("AIRBAG" label) r::;,fig. 184 .
Begin at the bottom right corner -arrow-.
" Remove the plastic clip from the fuse panel
cover in the engine compartment<=>
fig. 185.
"Remove the fuse using the plastic clamp.
" Rep lace the bur ned fuse with an identical new
one .
" Install the cover .
Fuses in the engine compartment
"Turn off the ignit ion and the failed electrical
equipment.
248
" Check the following tab le to see wh ich fuse be­
longs to the equipment¢
page 250.
" Remove the fuse panel cover ¢fig . 185.
" Remove the plastic clip from the fuse pane l
cover
r::;, fig. 185 .
.. Remove the fuse using the plastic clamp .
" Replace the burned fuse with an identical new
one .
.. Reins tall the cover.
The ind iv idual circuits are protected by safety
fuses . The fuses a re located under the steering
whee l beh ind a cover and in the left s ide of the
engine compa rtment.
Fuse color identification
Color Current rating
in amps
Bla ck 1
Purple 3
Light brown 5
Brown 7,5
Red 10
Blue 15
Yellow 20
Wh ite or transparent 25
green 30
orange 40
&, WARNING
Do not repa ir fuse s and never replace a blown
f u se w ith one that has a hig her amp rating.
T his c an c ause damage to t he e lectr ica l sys­
tem and a fi re .
(D Note
If a new fuse blows again shortly after you
h ave installed i t, have the ele ct ric al sys tem
checked by an a uth orized Audi deale r o r au ­
thorized Audi Service Facili ty.
{!) Tips
- Th e followi ng table does not l ist fuse loca­
t ions tha t are not u sed.

Emerg enc y s it uat ion s
Emergency situations
General
T his c hapt er is inte nded fo r tra ined e merg ency
c rews a nd worki ng p ers onn el w ho h ave the nec­
e ssa ry tool s and equipm ent t o perf orm the se
op era tion s.
Starting by pushing or
towing
CD Note
Veh icles w ith an automatic transmission can­
not be started by push ing or tow ing.
Starting with jumper
cables
If necessary, the engine con be started by con­
necting it to the battery of another vehicle .
If the engine should fail to start because of a d is­
charged or weak battery, the battery can be con­
nected to the battery of
another vehicle, using a
p air o f jump er ca bles to start the engine.
Jump er c able s
Use only jumper cables of sufficiently large cr oss
se ction
to carry the starter current safely. Refer
to the manufacturer's specifications.
Use on ly jumper cables with
insulated term inal
clamps which are d istinctly mar ked:
pl us( +) cabl e in most cases co lored re d
minu s(-) cable
in most cases colored black .
A WARNING
Batteries contain electricity, ac id, and gas.
Any of these can cause very ser ious or fatal in­
jury . Follow the inst ruct ions be low for safe
hand ling of your veh icle's battery.
- Always shield your eyes and avoid leaning
over the battery w henever possible.
- A discharged battery can freeze at tempera­
tures just below 32
°F (0 °C). Before con­
nect ing a jumper cab le, you must thaw the
25 2
frozen battery completely, otherwise it
could explode.
- Do not allow battery acid to contact eyes or
skin. Flush any contacted area with water immediately.
- Improper use of a booster battery to start a
veh icle may cause an explosion.
- Vehicle batteries generate explosive gases .
Keep sparks, flame and lighted cigarettes
away from batteries.
- Do not try to jump start any vehicle with a
low acid level in the battery.
- The voltage of the booster battery must al­
so have a 12-volt rating. The capacity (Ah) of
the booster battery should not be lower
than that of the discharged battery. Use of
batter ies of different voltage or substantial­
ly different "Ah" rating may cause an explo­
sion and personal injury.
- Never charge a frozen battery. Gas trapped in the ice may cause an explosion .
- Never charge or use a battery that has been
frozen. The battery case may have be weak­
ened .
- Use of batter ies of different voltage or sub­
stantially d ifferent capacity (Ah) rating may
cause an explosion and injury. The capacity
(Ah) of the booster battery should not be
lowe r than that of the discharged battery.
- Before you check anything in the engine
compartment, always read and heed a ll
WARNINGS
qpoge 198.
CD Note
-App lying a higher voltage booster battery
wi ll cause expensive damage to sensitive
elec tronic components, such as control
units, re lays, radio, etc.
- T here must be no electrical contact between
the vehicles as otherwise cu rrent cou ld al­
ready start to flow as soon as the positive
(+) termina ls are connected.
@ Tips
The discharged battery must be properly con-
nected to the vehicle's electrical system. .,.

with the convenience key. . . . . . . . . . . . . . . 36
with the door lock . . . . . . . . . . . . . . . . . . . . 3 7
Cockpit (overview) . . . . . . . . . . . . . . . . . . . . . . 8
Coming home . . . . . . . . . . . . . . . . . . . . . . . . . 45
Compartments . . . . . . . . . . . . . . . . . . . . . . . . 58
Compass in the mirror . . . . . . . . . . . . . . . . . . 51
Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Consumer information . . . . . . . . . . . . . . . . . 262
Consumer Information . . . . . . . . . . . . . . . . . 138
Consumption (fuel) . . . . . . . . . . . . . . . . . . . . 28
Contacting NHTSA . . . . . . . . . . . . . . . . . . . . 138
Convenience key Emergency operation . . . . . . . . . . . . . . . . . . 77
Indicator light . . . . . . . . . . . . . . . . . . . . . . . 77
Starting the engine (START ENGINE STOP button) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Stopping the engine (STAR T ENGIN E STOP
button) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Sw itching on the ignit ion . . . . . . . . . . . . . . 75
un locking/locking . . . . . . . . . . . . . . . . . . . . 36
Convenience opening/closing . . . . . . . . . . . . 41
Convertible child safety seats . . . . . . . . . . . 179
Convertible locking retractor
Activating . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Deact ivating . . . . . . . . . . . . . . . . . . . . . . . . 185
Using to secure a child safety seat . . . . . . 184
Coolant
refer to Engine coolant . . . . . . . . . . . . . . . 205
Cooling mode (automatic climate control sys-
tem) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Cooling mode (manua l climate control sys -
tem)................................. 65
Cooling system Adding coolant . . . . . . . . . . . . . . . . . . . . . . 206
Coolant leve l checking . . . . . . . . . . . . . . . . 206
Coolant temperature indicator . . . . . . . . . . 12
Indicator light . . . . . . . . . . . . . . . . . . . . . . . 19
Cornering light . . . . . . . . . . . . . . . . . . . . . . . . 43
Cruise control system Changing speed . . . . . . . . . . . . . . . . . . . . . . 95
D escr iption . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Preselecting speed . . . . . . . . . . . . . . . . . . . . 95
Sw itch ing off . . . . . . . . . . . . . . . . . . . . . . . . 95
~ switching on . . . . . . . . . . . . . . . . . . . . . . . . . 95 0
iii Cup holders . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 ,....,
~ Current consumpt ion ................ 27, 28
Vl
Vl
,....,
Index
D
Data recorder . . . . . . . . . . . . . . . . . . . . . . . . 122
Date display . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Daytime running lights. . . . . . . . . . . . . . . . . . 43
Declaration of compliance
Adaptive cruise control . . . . . . . . . . . . . . . 265
Audi side assist . . . . . . . . . . . . . . . . . . . . . 265
Cell phone package . . . . . . . . . . . . . . . . . . 265
Convenience key . . . . . . . . . . . . . . . . . . . . . 265
E le ctronic immobili zer . . . . . . . . . . . . . . . . 265
Homelink universal remote control . . . . . 265
Remote control key . . . . . . . . . . . . . . . . . . 265
Defective light bulb warning
Indicator light . . . . . . . . . . . . . . . . . . . . . . . 24
Defrost ing (windshield)
automatic climate control system . . . . . . . 67
manual climate control system . . . . . . . . . . 65
DEF (instrument cluster) . . . . . . . . . . . . . . . . 11
Deluxe automatic cl imate control
refer to Climate control system (automatic) .66
Determining correct load limit . . . . . . . . . . 228
Diesel
Indicator light . . . . . . . . . . . . . . . . . . . . . . . 22
Preheating (button) . . . . . . . . . . . . . . . . . . . 75
Preheating (key) . . . . . . . . . . . . . . . . . . . . . . 73
Diesel fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Diesel particulate filter . . . . . . . . . . . . . . . . 195
Digital compass . . . . . . . . . . . . . . . . . . . . . . . 51
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . 259
Dimming the rearview mirror . . . . . . . . . . . . 48
Distance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Door/luggage compartment lid warning . . . 27
Door contact sw itch . . . . . . . . . . . . . . . . . . . . 46
Doors Child safety lock (mechanical) . . . . . . . . . . . 40
Driver informa tion system . . . . . . . . . . . . . . . 27
Boost . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
CD/rad io display . . . . . . . . . . . . . . . . . . . . . . 27
Door/luggage compartment lid warning . . 27
Efficie ncy program . . . . . . . . . . . . . . . . . . . . 29
Engine oil temperature indicator . . . . . . . . 30
Indicator lights . . . . . . . . . . . . . . . . . . . . . . 13
Lap timer . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
On -board computer . . . . . . . . . . . . . . . . . . . 28
Outside temperature display . . . . . . . . . . . . 27
269

Index
Service in terval disp lay . . . . . . . . . . . . . . . 212
Using the multif unction steering whee l . . . 27
Driver seating posit ion . . . . . . . . . . . . . . . . . 13 1
Drive select .. .. ................. .. ... 112
Indicator light . . . . . . . . . . . . . . . . . . . . . . . 25
Driving economically . . . . . . . . . . . . . . . . . . . 70
Driving safely . . . . . . . . . . . . . . . . . . . . . . . . 130
Driving through water . . . . . . . . . . . . . . . . . . 70
Driving t ime . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Dust filter
refer to Po llutant filter . . . . . . . . . . . . . . . . 64
E
ECO mode (automatic climate control
system) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Efficiency program . . . . . . . . . . . . . . . . . . . . . 29
Descr ipt ion . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Fue l economy messages . . . . . . . . . . . . . . . 30
Other equipment . . . . . . . . . . . . . . . . . . . . . 30
Electrical accessories
refer to Socket . . . . . . . . . . . . . . . . . . . . . . . 57
Elect romechanica l par king b rake
refer to Parking bra ke . . . . . . . . . . . . . . . . . 78
E lectromechanical steering . . . . . . . . . . . . . 126
Indicator l ights . . . . . . . . . . . . . . . . . . . . . 126
E lectronic different ia l lock . . . . . . . . . . . . . . 123
Indicator light . . . . . . . . . . . . . . . . . . . . . . . 21
Elect ron ic immobili ze r . . . . . . . . . . . . . . . . . . 38
also refer to Immobilizer . . . . . . . . . . . . . . 33
Elect ron ic speed lim ite r . . . . . . . . . . . . . . . . . 94
E lectron ic stabilization control ( ESC)
Indicator light . . . . . . . . . . . . . . . . . . . . . . . 21
Sport mode . . . . . . . . . . . . . . . . . . . . . . . . 124
Elect ronic Stabilization Control (ESC) . . . . . 123
E me rgency ass istance . . . . . . . . . . . . . . . . . 240
E mergency flasher . . . . . . . . . . . . . . . . . . . . . 44
E me rgency flashers
I ndicator ligh t . . . . . . . . . . . . . . . . . . . . . . . 25
E me rgency operation
E me rgency braking fu nction . . . . . . . . . . . . 80
Fr ont passenge r's door/ rear doo rs . . . . . . . 39
L ugg age compartmen t lid . . . . . . . . . . . . . 24 0
P anorama sunroof . . . . . . . . . . . . . . . . . . . . 42
with convenience key . . . . . . . . . . . . . . . . . . 77
270
Emergency re lease
Fuel f iller door . . . . . . . . . . . . . . . . . . . . . . 194
Se lector lever . . . . . . . . . . . . . . . . . . . . . . . . 89
E merge ncy s tarting . . . . . . . . . . . . . . . . . . . 252
Energy management . . . . . . . . . . . . . . . . . . 128
Ind icator light . . . . . . . . . . . . . . . . . . . . . . . 19
Engine Coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20S
Preheating (button) . . . . . . . . . . . . . . . . . . . 75
Preheating (key) . . . . . . . . . . . . . . . . . . . . . . 73
Star ting with jumper cables . . . . . . . . . . . 252
Starting (button) . . . . . . . . . . . . . . . . . . . . . 75
Start ing (dr iver messages w ith conven ience
key) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Star ting (key) . . . . . . . . . . . . . . . . . . . . . . . . 73
stopp ing (b utton) . . . . . . . . . . . . . . . . . . . . 76
stopp ing (key) . . . . . . . . . . . . . . . . . . . . . . . 7 4
Engine compartment Clos ing the hood . . . . . . . . . . . . . . . . . . . . 200
Open ing the hood . . . . . . . . . . . . . . . . . . . 199
Overview . ... .... .. .. ... . .. .... . 200, 201
Safety preca utions . . . . . . . . . . . . . . . . . . . 198
E ngin e co ntrol ( indicato r light) . . . . . . . . . . . 22
Engine coolant . . . . . . . . . . . . . . . . . . . . . . . 205
Radiator fan . . . . . . . . . . . . . . . . . . . . . . . . 206
Engine o il . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
adding ... .. .... .. ... .. .. ..... ... .. 203
Changi ng . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Checking the oi l level . . . . . . . . . . . . . . . . . 203
Dipst ick ... .. .... .. .. ....... 200, 201, 203
Ind icator light . . . . . . . . . . . . . . . . . . . . . . . 19
Oil consumpt ion . . . . . . . . . . . . . . . . . . . . . 202
Spec ificat io n and viscosity . . . . . . . . . . . . . 201
T empe rat ure indica to r . . . . . . . . . . . . . . . . . 30
U se ...... .. .... .. .. .. ........... .. 203
Engine speed lim itation ( indicato r light) . . . 23
Environment Break-in per iod . . . . . . . . . . . . . . . . . . . . . . . 70
Catalytic converter . . . . . . . . . . . . . . . . . . . 194
Diesel pa rticulate f ilter . . . . . . . . . . . . . . . 19S
Dispos ing of your veh icle battery . . . . . . .
211
D rivi ng at high speeds . . . . . . . . . . . . . . . . . 71
Letting the vehicle stand and warm up . . . . 71
P roper disposal of d ra ined bra ke fl uid . . . 20 7
Proper disposal of d ra ined eng ine oi l . . . . 204
U nleaded fuel .. .. .. ................. 190
Wha t shou ld I do with an o ld battery? ... 211
EPC (engine cont ro l) . . . . . . . . . . . . . . . . . . . . 22

Index
Heated exterior mirrors . . . . . . . . . . . . . . . . . . . . . . 47
Rear window . . . . . . . . . . . . . . . . . . . . . . . . . 68
Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Washer fluid nozzles . . . . . . . . . . . . . . . . . . 49
Heating (diesel engine auxiliary heater) . . . . 69
Heavy clothing and safety belts . . . . . . . . . . 142
Hex socket . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
High voltage warning label . . . . . . . . . . . . . 258
Highway light . . . . . . . . . . . . . . . . . . . . . . . . .
44
Hill descent control . . . . . . . . . . . . . . . . . . . . 86
Hill hold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Hill hold assist
refer to Hill hold . . . . . . . . . . . . . . . . . . . . . 80
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8
How are child restraint system anchors relat-
ed to child safety . . . . . . . . . . . . . . . . . . . . . 185
How many airbags does my vehicle have? . . 155
How safety belt pretensioners work 146
I
Ignition
I ndicator light . . . . . . . . . . . . . . . . . . . . . . . 20
Switching on/off (with button) . . . . . . . . . . 75
Ignition key safety interlock . . . . . . . . . . . . . 73
Ignition lock
mechanical . . . . . . . . . . . . . . . . . . . . . . . . . . 73
I mbalance (wheels) . . . . . . . . . . . . . . . . . . . 222
Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Important things to do before driving . . . . 130
I mp roperly worn safety belts . . . . . . . . . . . . 146
Indicator lights . . . . . . . . . . . . . . . . . . . . . . . . 13
I nfant seats . . . . . . . . . . . . . . . . . . . . . . . . . 178
Inflation pressure (tires) . . . . . . . . . . . . . . . 224
Inspection interval with driver information system . . . . . . . . . 212
I nstalling chi ld safety seats
Safety belts . . . . . . . . . . . . . . . . . . . . . . . . 182
I nstalling the upper tether strap on the an­
chorage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Instrument cluster . . . . . . . . . . . . . . . . . . . . . 10
Instruments . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Adjusting the lighting . . . . . . . . . . . . . . . . . 47
I nterior lighting . . . . . . . . . . . . . . . . . . . . . . . 46
Intermittent (windshield wipers) . . . . . . . . . 49
272
J
Jump-starting
Jump start cables 252
253
K
Key........
.. .. .. .. .. ............. .. . 33
Checking the number. . . . . . . . . . . . . . . . . . 33
Driver messages (mechanical ignition key) . 77
Driver messages (with convenience key) . . . 77
Key not recognized . . . . . . . . . . . . . . . . . . . . 77
Key replacement . . . . . . . . . . . . . . . . . . . . . 33
Rep lacing the battery . . . . . . . . . . . . . . . . . 34
unlocking/locking .. ............ 35, 36 , 37
Key recognition Cl imate control system . . . . . . . . . . . . . . . . 64
Kick-down Automatic transmission . . . . . . . . . . . . . . . 87
Knee airbags . . . . . . . . . . . . . . . . . . . . . . . . . 164
Description . . . . . . . . . . . . . . . . . . . . . . . . . 164
How they work . . . . . . . . . . . . . . . . . . . . . . 165
Important safety instructions . . . . . . . . . . 166
L
Lane assist
refer to Active lane assist . . . . . . . . . . . . . 106
Lap timer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Evaluating recorded times . . . . . . . . . . . . . . 32
Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
LATC H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Description . . . . . . . . . . . . . . . . . . . . . . . . . 186
Installing a child restraint . . . . . . . . . . . . . 187
Location . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
Mounting and releasing the anchorage
hook . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Launch Control-Program (automatic transmis-
s ion) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Leather care/cleaning . . . . . . . . . . . . . . . . . . 238
Leaving home . . . . . . . . . . . . . . . . . . . . . . . . . 45
LED headlights All-weather lights . . . . . . . . . . . . . . . . . . . . 43
Left hand drive . . . . . . . . . . . . . . . . . . . . . . . . 46
Lifting jack . . . . . . . . . . . . . . . . . . . . . . . . . . 243
Light Adaptive light . . . . . . . . . . . . . . . . . . . . . . . . 43
Adjusting automatic headlights . . . . . . . . . 45