2015 AUDI A3 open hood

212 Checking and Filling
- When you close the engine hood, check it
to make sure the safety catch has proper­
ly engaged. The hood should be flush
with the surrounding vehicle body parts.
Engine compartment overview
The most important check points.
- If you notice while driv ing that the hood
is not secured properly, stop at once and
close it.
Fig. 149 Typ ica l locat ion of the reservoir, en g in e oil d ipstick, and engine o il filler opening
(D Coolant expansion tank (- L) .. .
@ Engine oi l dipstick ... .... .. . .
® Engine oil filler opening (~) .
@ Brake fluid reservo ir ((0)) .. .. .
® Battery(+) under a cover .. .. .
@ Body ground point(-)
0 Washer f luid reservoir (~) ... .
@ Fuse housing ....... .... ... .
2 17
215
215
219
221
224
255
The engine oil filler opening and the dipstick (items ® and @)
c::> fig. 149 may be located in
a different area depending on engine version .
A WARNING ,...,___ -
Before you check anything in the engine
compartment, always read and heed all
WARNINGS
c::> page 210.
Engine oil
Engine oil specifications
The engine in your Audi needs the right kind
of oil.
The eng ine in your Audi is a sophisticated
power plant that was built to exacting specifi ­
cations . This engine needs the right kind of
engine oil that meets specifications regarding
quality and v iscosity so that it can run
II>-

222 Checking and Fill in g
and then the negative cable . Never inter­
change the cables -this could start a fire!
- Never charge a frozen or a thawed-out
battery. It could explode! If a battery has
frozen, then it must be replaced. A dead battery can freeze over at 32°F (0°C).
- Make sure the vent hose is always attach­
ed to the opening on the side of the bat­
tery.
- Never use batteries which are damaged.
There is the danger of an explosion! Al­
ways replace a damaged battery.
&_ WARNING
California Propos ition 65 Warning:
- Battery posts, terminals and related ac­
cessories contain lead and lead com­
pounds, chemicals known to the State of
California to cause cancer and reproduc­
t ive p roblems. Wash hands after han­
dling.
(D Note
- Do not d isconnect t he veh icle battery
when the ignition is on or when the en­
gine is running, otherwise, you will dam­
age ele ctron ic componen ts in the elec tri ­
ca l system.
- If your vehicle is going to stand for a
l ong period of time wi thout being driven,
protect the battery from "freezing", oth­
e rwise it w ill be damaged and wi ll then
have to be replaced.
Battery charging
Starting the engine requires a well charged battery.
F ig . 1 54 Engine co mpartment : connectors for a charg­
er and jump start cab les
Alwa ys read and heed all WARNINGS below
c> &. and c> &. in Working on the battery on
page 221.
.. Switch off the ignition and all electrical con­
sumers.
.. Make sure the area is well ventilated when
you charge the battery .
.. Open the eng ine hood
r=;, page 211 .
.. Open the red cover on t he positive pole
r=;, fig. 154 .
.. Clamp the ch arger term inal clamps as in­
structed on the
batter y terminal (+ ) and on­
ly o n the
body ground po int (-) .
.. On ly now plug the mains lead for the charg­
ing equ ipment into the wa ll outlet and turn
iton
c> &, .
.. Make sure th e charging rate is not over
30 amps /14 .8 volts .
.. When the battery is fully charged: Turn the
charg ing equipment off and remove the
mains lead from the wall ou tlet .
.. Now remove the clamps for the cha rging
equipment .
.. Close the red cover on the positive pole .
.. Close the hood
~ page 211.
A d ischarged bat tery can freeze at tempera ­
tu res of only 32 F
0 (0 °C). Allow a frozen bat­
tery to thaw completely before attempting to charge it
r=;, .&, . However, we recommend not
using a thawed battery again because the bat­
te ry casing can be cracked due to ice forma-
t ion and can leak battery acid . ..,.

274 Index
Centra l locking .... ..... ... .. .. .... .. 31
Ce ntra l locking sw itch ... .. .. ... ... .. 35
Conven ience key . . . . . . . . . . . . . . . . . . . . 34
Emergency locking ........ .. .. .... .. 37
Folding the exterior mirrors .. .. .... .. 36
Luggage compartment lid ...... .. .... 37
Panorama sunroof .. .... .. .. .. .. .. .. 39
Power windows . . . . . . . . . . . . . . . . . . . . 39
Remote control key ..... .. .. .. .. .. .. 33
Safety cen tral lock ing . . . . . . . . . . . . . . . 3 7
Setting . ... .. . .. ..... ... .. .. .... .. 36
Certification . . . . . . . . . . . . . . . . . . . . . . . 2 7 1
Changing a wheel .. ..... ... .. .. .... . 248
C hanging e ng ine o il ...... .. .. .. .. .. . 216
Checking Tire pressure .............. ... .. ... 231
C hild restraints
Danger of using ch ild restraints in the
front seat . . . . . . . . . . . . . . . . . . . . . . . . 142
Where can I get addit ional information
about child restra ints and their use? .. 184
C hild restraint system anchors ....... . 180
C hil d safety ... ............ .. .. .. .. . 166
Conve rtible locking retrac to r .. .. .. .. . 177
I mpo rtan t safety ins tru ctions for using
chi ld safety seats . ..... ... .. .. .... . 170
Important things to know when driving
with chi ldren . ........... .. .. .... . 166
Tether anchors ........... .. .. .. .. . 183
Tether straps .............. .. .... . 183
Chil d safety lock
Power windows . . . . . . . . . . . . . . . . . . . . 38
C hi ld safety loc k (mechanical)
Fr ont doors . . . . . . . . . . . . . . . . . . . . . . . . 38
Ch ild safety sea ts . ...... ... .... .. .. . 172
Booster seats ............. ... .. ... 175
Conve rtible ch ild seats .. .. .. .. .. .. . 173
Conve rtible locking retracto r .. .. .. .. . 177
H ow do I proper ly in stall a child safety
seat in my vehicle? ...... .. .. .. .. .. . 170
I nfant seats . .. .. ..... ... .. .. .... . 17 2
I nstalling . .. .. .. ..... ... .. .. .... . 17 7
Instal ling a child restraint using the
LATCH system .............. .. .... . 182
LATC H system ............ .. .. .... . 182
Lower anchorages ......... ... .. .. . 181
Mount ing and releasing the anchorage
hook .. .. .. ... .... ...... .. .. .. .. . 182 Safety instr
uctions . . . . . . . . . . . . . . . . . 170
Un used safety be lts on the rear seat . . 172
Cleaning ... .... .. ............. .... 201
Cleaning/removing ice from windows ... 203
Cleaning carbon parts . . . . . . . . . . 203, 204
Cleaning r ims . .. .. ..... ........... . 202
Cleaning seat covers . .. .. ..... ... .. .. 204
Cl imate control system (automa tic)
Adjus ting air ven ts . . . . . . . . . . . . . . 67, 68
Air dis trib ution, air vents ..... ... .. .. . 67
Audi drive select . .... .. ..... .... . .. 102
AUTO (climate control system) . . . . . . . . 67
B lower ... .... .. .. ........... .... . 67
Controls . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Defrost ing the windshie ld .... .... ... . 67
Key recognition . . . . . . . . . . . . . . . . . . . . 66
Rea r window defogger . . . . . . . . . . . . . . . 68
Rec ircu lation mode ............ .... . 67
Setting the tempe rature ........ .. .. . 67
synchronizing . ... ... .. ..... ... .. .. . 67
Cl imate control system (manual)
Adjusting air vents . . . . . . . . . . . . . . 65, 68
Adjust ing the temperature . . . . . . . . . . . 65
Air distrib ution, air vents ........ .. .. . 65
B lower ... .... ................... . 65
Defrosting windows .... ..... ... .. .. . 65
Key recognition . . . . . . . . . . . . . . . . . . . . 65
Operation . . . . . . . . . . . . . . . . . . . . . . . . . 65
Rear window defogger . . . . . . . . . . . . . . . 68
Recirculation mode ............ .... . 66
Clock . ... .. .... .. .. ... ..... ... .. .. . 10
Closing Hood . .... .... .. ............. .... 211
Pano rama sunroof ............. .... . 40
Windows . .. .. .. .. ........... .... . 38
Clos ing/open ing
by remote control ... .. .. ... ..... .. . 33
with the centra l locking switch . .. .. .. . 35
with the conven ien ce key . . . . . . . . . . . . . 34
wi th the door lo ck ... .......... .. .. . 35
Cockpit (Overvi ew illustration) . . . . . . . . . . . 8
Co ld tire inflation pressure ..... ... .. .. 229
Coming home . .. .. ... .......... .. .. . 44
Compartments .. .. ............. ..... 57
Compass in the m irror . ... .... ... .. .. . 50
Compliance ... .. .. .. ... .. ... ..... .. 271
Consumer Information . . . . . . . . . . 129, 268

276 Index
E
ECO mode (automatic climate control sys -
tem) . ..... .. ................ ..... .. 67
EDL
refer to Electronic differentia l lock . .. . 185
Efficiency program . . . . . . . . . . . . . . . . . . . 28
Description . ...... .......... ... .. .. 28
Fuel economy messages . . . . . . . . . . . . . 29
Other equipment . . . . . . . . . . . . . . . . . . . 29
Electrical accessories
refer to Socket ............. .. .... .. 56
Electromechanical parking brake
refer to Parking brake ............... 76
Electromechanical steering .. .. .. .. .. . 189
I ndicator lights .......... .. .. .... . 189
Electronic differential lock ... .... .... . 185
Indicator light . . . . . . . . . . . . . . . . . . . . . 22
Electronic immobilizer ....... ... .... .. 36
also refer to Immobilizer . . . . . . . . . . . . 31
E lect ronic interaxle differential lock .... 185
Electronic speed limiter ..... .. .. .. .. . . 30
Electronic stabilization control (ESC)
Indicator light . . . . . . . . . . . . . . . . . . . . . 22
Electronic Stabilization Control (ESC) ... 185
Emergency assistance .......... .... . 246
Emergency flasher .......... ... .... .. 43
Emergency flashers
I ndicator light . . . . . . . . . . . . . . . . . . . . . 25
Emergency operation Emergency braking function .. .. .. .. . . 78
Front passenger's door/rear doors . . . . . 3 7
L uggage compartment lid ........ .. . 246
Panorama sunroof ........ .. .. ...... 41
with conven ience key .... .. .. .. .. .. . . 75
Emergency release Fuel filler door .............. ... ... 209
Selector lever . . . . . . . . . . . . . . . . . . . . . 112
Emergency starting ........ .. .. .. .. . 259
Emergency towing ......... .. .. .. .. . 261
Energy management . . . . . . . . . . . . . . . . 190
Indicator light . . . . . . . . . . . . . . . . . . . . . 20
Engine Coolant .. .. ..................... . 216
Starting with jumper cables .... .... . 259
starting (button) . .. ...... .. .. .. .. . . 73 Starting (driver messages with conven-
ience key) ..... .. ................ .. 75
starting (key) . ... ................ .. 70
stopping (button) ............. ..... 74
stopping (key) ................ ..... 72
Engine compartment
Closing the hood . . . . . . . . . . . . . . . . . . 211
Opening the hood ................ . 211
Overview .. .... .. ... .......... .... 212
Safety precautions ............... .. 210
Engine control (indicator light) . . . . . . . . . 23
Engine coolant .. .. .......... ... .. .. 216
Radiator fan ... .. ... .......... .... 218
Engine oil .. ................... .... 212
adding . .. .. .. .. ... .......... .... 215
Changing . ...... ... ......... ... .. 216
Checking the oil level ... ..... ... .. .. 215
Dipstick... .. .. .. .... .... .... 212, 215
Indicator light .................... . 20
Oil consumpt ion .. ............. .. .. 214
Oil grades ..... .. ............. .... 212
Specification and viscosity ........ ... 212
Use ..... ..... .. .. .............. . 215
Engine speed limitation ( indicator light) . 23
Environment Break -in per iod . .. ... ....... ... .. .. 193
Catalytic converter ....... ...... .. .. 194
Disposing of your vehicle battery ..... 223
Driving at high speeds .......... .... 195
Driving to minimize pollution and noise 195
Fuel economy .... ................ . 195
Letting the vehicle stand and warm up . 196
Proper disposal of drained brake fluid . 219
Proper disposal of drained engine oil .. 216
Unleaded fuel .... ... .......... .... 206
What should I do with an old battery? . 223
EPC (engine control) ................ .. 23
ESC Electronic stabilization control ... .. .. 185
Post-coll is ion brake assist ..... .. .. .. 186
Sport mode ... .. ................ . 187
ESP
refer to ESC ... .. ..... ..... ... .. .. 185
Event Data Recorder (EDR) ............ 185
Exhaust tail pipes cleaning ........... 202
Exterior lighting ... ..... ..... ... .. .. . 42

Loading the roof rack . . . . . . . . . . . . . . . . . 60
Lackin g/unlocking
by remote control .................. 33
with the central locking switch .. .. .. .. 35
with the convenience key . . . . . . . . . . . . . 34
with the door lock ............ .. .. .. 35
Long-term memory .................. 27
Low beam Indicator light . . . . . . . . . . . . . . . . . . . . . 24
Low beams . ................... ..... 42
Lower universal anchorages (Canada) .. . 180
Lugg age compartment ............ ... . 60
Cargo net .. ................. .. .... 62
Increasing the size ........ .... .. .. .. 61
Loading .. ... .................. .. .. 60
Pass-through . . . . . . . . . . . . . . . . . . . . . . 63
Reversible mat ..................... 62
Socket ... .. ................. .. .... 56
Stowing luggage .................. 127
Tie-downs . . . . . . . . . . . . . . . . . . . . . . . . . 62
Luggage compartment lid
Central locking . . . . . . . . . . . . . . . . . . . . . 3 7
Emergency release ........ .... .. .. . 246
Lumbar suppo rt . . . . . . . . . . . . . . . . . 53, 54
M
Maintenance ................. ..... . 268
Maintenance intervals
with driver information system ........ 13
Malfunction Indicator Lamp (MIL) . . 23, 29
Mirro r
Digital compass switching on and off . .. 50
dimming . .. ................. .. .... 49
Vanity mirror ............ ...... .... 46
Mirror compass .................. .... SO
Mirrors Adjusting the exte rior mirrors . .. .. .. .. 48
Monitoring the Advanced Airbag System 152
Motor
Index 279
Navigation system CD-ROM player . . . . . . . . . . . . . . . . . . . . . 58
New tires and wheels ................ 236
NHTSA Contacting .. .. .. .. ..... .......... 129
Number of seats ..... ............... 131
Number of vehicle keys ............... 31
0
Occupant seating positions ........... 122
Octane rating ... .... ............... 206
Odometer ...... .................... 11
Oil Ind icator light . . . . . . . . . . . . . . . . . 23, 24
also refer to Engine oil . . . . . . . . 212, 215
Oil change interva l
with driver information system . . . . . . . . 13
On-board computer . . . . . . . . . . . . . . . . . . 26
Operation (multifunction steering
wheel) ..... ..... .................. 27
On-Board Diagnost ic System (OBD)
Electronic speed limiter .............. 30
Malfunction Indicator Lamp (MIL) .. .. . 29
Opening ................. ........... 31
Fuel filler door ... .. . .. ... .... ..... 208
Hood ........ ... .. ............... 211
Luggage compartment lid ............ 37
Panorama sunroof .................. 40
Windows ......................... 38
Opening/closing with the central locking switch ........ 35
with the convenience key ........ .. .. . 34
with the door lock .................. 35
Operate your vehicle economically and
minimize pollution .................. 195
Other equipment (efficiency program) . .. 29
Outside air temperature display ........ 11
Overview illustration (cockpit) . . . . . . . . . . . 8
•
•
stopping (driver messages with mechani-p
cal ignition key) ................ .... 75
Multifunction steering wheel . .. .. .. .. .. 27 Paint damage
203
On-board computer ................. 27 Paint No
........................... 265
•
Panorama sunroof ... . .. .. ... ... .... . 40
N
Convenience opening/closing ......... 39
Emergency closing ................ .. 41
Natural leat her care/cleaning .. .. .. .. . 204