2015 AUDI A4 hood open

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0 ::.,: co ,...., \!) ..,.,
,...., ..,., ,....,
-To reduce the r isk of being burned, never
open the hood if you see or hear steam
or coolant escaping from the engine
compartment . Wait until no steam or
coolant can be seen or heard before ca re­
fully opening the hood .
- Keep children away from the engine com ­
partment.
- Never spill flu ids on hot engine compo­
nents. They can cause a fire .
- Never touch the radiator fan. The aux ili­
ary e lectr ic fan is temperature controlled
and can switch on suddenly .
- Never open the coolant reservoir cap
when the eng ine is still warm . The cool­
ant system is pressur ized and hot coo l­
ant could spray out.
- Protect your face, hands and arm from
steam or hot eng ine coolant by placing a
thic k rag over the cap when you open the
coolant reservoir.
- Do not remove the engine cover under
any c ircumstances. Th is increases the
risk of bu rns.
- If wo rk on the fuel system or the electri­
cal sys tem is ne cessary:
- Always disconnect the battery.
- Never smoke or work near heaters or
open flames . Fluids in the engine com­
partment co uld start a fire.
- Keep an approved fire extinguisher im­
mediately ava ilable.
- To avoid electrical s hock and persona l in­
jury while the engine is running or being
started, never touch:
- Ignition cables
- Other components of the high voltage
electronic ignition system.
- If you must perform a check or repa ir
with the engine running:
- Fir st, fully apply the parking brake,
move se lector lever of a utomatic trans-
Checkin g and fillin g 213
mission to "P" (Park); put manual
transmission in Neutral.
- Always use extreme caution to prevent
clothing, jewe lry, or long hair from get­
ting caught in the radiator fan, V-be lts
or other moving parts, or from contact­ i ng hot parts . Tie back hair before
starting, and do not wear clothing that
will hang o r droop into the engine .
- Minimize exposure to emission and
chemical hazards~&. .
A WARNING
California Proposition 65 Warning:
- Engine exhaust, some of its const ituents,
a nd certain vehicle components contain
or emit chemicals known to the State of
Ca lifornia to cause cance r and birth de­
fects and reproductive harm. In addition, certain fl uids contained in veh icles and
certain products of component wear con­
tain or emit chemica ls known to the
State of California to cause cancer and
birth defects or other reproductive harm.
- Battery posts, terminals and related ac­
cessories conta in lead and lead com­
pounds, chemicals known to the State of
California to cause cancer and reproduc­
tive harms. Wash hands afte r handling.
Q) Note
When adding f lu ids, always make sure that
they are poured into the proper conta iner
or f iller opening, otherwise serious dam­
age to vehicle systems w ill occur .
@ For the sake of the environment
To detect leaks in time, inspect the vehicle
floor pan from underneath regular ly . If
you see spots from oil or other veh icle flu­
i ds, have your vehicle inspected by an au­
thorized Audi dealer. •
•

216 Checking and filling
-If you have the impression your engine
consumes excessive amounts of oi l, we
recommend that you consult an author­
ized Audi dealer to have the cause of
your concern properly diagnosed. Keep in
mind that the accurate measurement of
oil consumption requires great care and
may take some time . An authorized Audi
dealer has instructions about how to
measure oil consumpt ion accurately.
Checking the engine oil level
Fig. 183 MMI D isp lay : Oil leve l ind icator
Read oil level
.,. Park your vehicle so that it is horizonta lly
level.
.,. Shut the engine off when it is at operat ing
temperature .
.,. Switch only the ignition back on.
• Wait approx . two minutes.
• Se lect : Fu nct ion button
I _C_A_R_I > Oil level. Or
.,. Select : Function button
ICARI > Car sys-
tems* control button > Servicing & checks >
Oil level.
.,. Read the oil Level in the MMI* Display
c:> fig. 183. Add engine oi l if the bar of the
oil level indicator is near "min"
c:> page 216
Depend ing on the way the vehicle is driven
and the operating conditions, oil consumpt ion
can be up to a 1/2 quart per 600 mi les (0.5
li­
ter per 1,000 km) . Consumption may be high­
er within the first 3,000 miles (5 ,000 km).
(D Tips
The oil Level indicator in the MMI* Display
is only an information display . If the oil
Level is too Low, a minimum oil warning ap -pears in
the instrument cluster. Add oil
c:> page 216. If the hood has been opened,
the current oil level is shown in the instru­
ment cluster the next t ime the ignition is
switched on.
'e:;1: Adding engine oil
Fig. 184 Engin e compar tmen t: Cover on th e oil filler
neck
.,. Before you check anything in the engine
compartment,
always read and heed all
WARNINGS c:> .&. in Working in the engine
compartment on page 212 .
.,. Shut the engine off .
.,. Unscrew the cap
't'::71 to the engine oi l filling
hole
¢ fig. 184, c:>page 214, fig. 182 .
.,. Carefully top off with 0 .5 quarts (0 .5 liters)
of the appropriate oil
c:> page 214 .
• Check the oil level again after two minutes
r::;, page 216, Checking the engine ail level .
.,. Top off the oil aga in , if necessary .
.,. Screw the cap back on the filling hole .
_& WARNING
-While topping off, the oil must not come
i n contact with hot engine parts -fire
hazard!
- The oil filler cap must be properly se­
cured to prevent oil from being sprayed
on the hot engine and exhaust system
when the engine is running -fire hazard!
- If your skin has come in contact with the
engine o il, you must subsequently
cleanse it thoroughly.
(D Note
- Check the oil level using the radio or
MMI*. If the message Please reduce oil

224 Checking and filling
(D Note
- Do not disconnect the vehicle battery
when the ignition is switched on or when
the engine is running, otherwise, you will
damage e lectronic components i n the
electrical system.
- If your vehicle is going to stand for a
long period of time without being driven,
protect t he battery from "freezing", oth­
e rwise it w ill be damaged and w ill then
have t o be repla ced.
Battery charging
Starting the engine requires a well charged
batt ery.
Fig. 187 Eng ine compartment: Connectors for charger
a nd jumper cables
Always read and heed all WARNINGS below
c::> & and c::> & in Working on the battery on
page 223 .
•Turnoff th e ignit ion and all electrical con­
sumers.
• Make sure the area is well vent ilated when
yo u cha rge the battery .
• Ope n the engi ne hood
i=!.> page 2 12.
• Open the cove r o n the pos it ive pole
e!.>fig. 187.
• Connect the charger connectors according to
t h e instr uctions to the
jump start bolts.
(Bo lts under the cover = "positive", Bolts
with hex head= "negative").
• Only now plug the mains lead for the charg­
i ng equipment into the wall outlet and turn
i t on
c::> .&,. .
• Make sure the charging rate i s not over
30 amps /14.8 Volt .
• When the battery is fully cha rged: Turn the
charging equipment off and remove the
mains lead from the wall out let.
• Now remove the clamps for the charging
equ ipment.
.,. Close the cover on the positive pole .
.,. Close the hood
c::> page 212.
A discha rged battery can freeze at tempera­
tures of only 32 °F (0 °C). Allow a frozen bat­
tery to thaw comp letely before attempting to
charge i t
c::> .&.. However, we recommend not
u sing a thawed batte ry aga in because the ba t­
te ry casing can be c racked due to ic e f orma­
t io n an d can leak ba ttery a cid.
Battery charging (Maximum charging rate
of
30 amps/14.8 Volt)
When ch arg ing at low vo lta ges (e.g. wi th a
trickle charger ), the ba tte ry cables do not
have to be disconnected f irs t. T he bat tery
caps should
not be opened when charg ing a
battery .
It is no t necessa ry to remove the b att ery from
t h e luggage com partmen t.
Fast charging the battery (charging rate
above 14.8 Volts)
F or te chnica l re asons do not u se a batt ery
ch arger that uses voltage greater than
14 .8
Volts to c harge yo ur vehicle's battery.
A WARNING
.------
C harging a battery can be dan gero us.
-A lways follow t he operati ng inst ru ctions
p rovi ded by the battery charger manu ­
facturer when charg ing your battery.
- Never charge a frozen batte ry . I t may ex­
p lode because of gas trap ped in the ice.
A llow a frozen battery to thaw out f irst.
- Do not reuse batteries w hich were fro­
zen. The battery housing may have
cracked and weakened w hen the battery
froze .
- Charge the battery in a we ll ventilated
area. Keep away from o pen flame or elec­
tr ica l spark. Do not s moke. Hyd rogen gas
ge nera ted by t he battery is explos ive .

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Index 291
-----------------------------------.......
Daytime running lights. . . . . . . . . . . . 49, 50
Declaration of compliance Adapt ive cruise control .... .. .. .. .. . 286
Aud i side assist .......... .. .. .. ... 286
Cell phone pa ckage ....... .. .. .. .. . 286
Conve nience key ... .... ... .. .. .. ... 286
Elect ronic immobilizer .. ... .. .. .. .. . 286
Homelink universa l remote contro l .. . 286
Remote control key ....... .. .. .. .. . 286
D ecora tive parts/ trim
C lean ing ... .... ...... ... .. .. .. ... 204
Defective light bulb warning . . . . . . . . . . . 2 1
Defrosting (windows) ....... .. .. .. .. .. 80
D etermi ning correct load limi t ... .. .. . 24 4
Dig ita l clock ........... ...... .... ... 12
Dig ita l compass . .. ..... ... .. .. .. .... 58
D imensions .. ............. .... .. ... 28 1
Dimming the rearview mirror . . . . . . . . . . 53
D isp lays
C leaning ... .. .... .... ... .. .. .. ... 204
D oors
C hi ld safety loc ks ......... .. .. .. .. .. 41
emergency loc king ........ .. .. .. .. .. 3 7
Driver information system Enhanced sh ift indicato r .... ... ... ... 27
Open doo r or front lid warning . . . . . . . . 23
Outside temperat ure display .. .. .. .. .. 23
Sound system display . . . . . . . . . . . . . . . 23
Driver seat
refer to Seat ing pos ition 127
Driving off road ... ...... ... .. .. .. ... 197
D riving safe ly ............. .... .. ... 126
Driving through water . . . . . . . . . . . . . . . 193
D riving time . . . . . . . . . . . . . . . . . . . . . . . . 24
Dust filter
refer to Po llutant filte r (automatic A/C
system) .. .. ............. .... .. .. .. 78
Dynamic steering . . . . . . . . . . . . . . 115 , 190
E
E85 (Fue l) . .. ............. .... .. ... 208
E ffi ciency program . . . . . . . . . . . . . . . . . . . 26
Fu el economy messages . . . . . . . . . . . . . 28
M emory leve ls . . . . . . . . . . . . . . . . . . . . . 24
Othe r equipment . ..... ... .. .. .. .. .. 27
Shift indicator ........... .. .. .. .... 27 E
lectro -mechan ica l power ass ist ... .. .. 190
E lectromechanical pa rk ing brake
E mergency bra king ................ . 89
Ind icator lig ht . .. .... ........... .. . 87
Parking ... .. .. .. ................. . 88
Re leas ing and closing ... .... ... .. .. . 87
Starting assist ...... .. .. ..... ... .. . 88
Starting from rest . ... .. .... ... .. .. . 88
Starting off w ith a trailer ........ .. .. . 89
Warning/ind icator lights ............. 16
E lectronic differential lock
Warning/indicator lights ..... ... .. .. . 18
El ectronic d ifferential lock ( EDL) ... .. .. 185
Wa rning/ind icator lights ........ .. .. . 19
E lectronic immob ilizer . . . . . . . . . . . . 12, 37
E lectronic power con trol
(EPC) warning/indicator light . . . . . . . . . 20
El ectronic speed limi ter ............... 30
E lectronic stab ilizat ion contro l
offroad mode . . . . . . . . . . . . . . . . . . . . . 187
Sport mode . . . . . . . . . . . . . . . . . . . . . . 187
E lectronic Stabilization Contro l (ESC) ... 185
Warning/ind icator lights ............. 18
Emergency ac tua tion
Doors . ... .. .... ... .. .. ..... ... .. . 37
Ignition key ..... .. . .. .. ..... ... .. . 34
Rea r lid . . . . . . . . . . . . . . . . . . . . . . . 40, 41
Slid ing/ti lting s unroof ............... 44
E merge ncy br aking . .... ......... .. .. . 89
Emergency flasher ..... .. .... .... ... . 51
w . /' d' l' h arnmg m 1cator 19 ts . . . . . . . . . . . . . 22
Emergency key .. ................... . 32
Starting engine ............... .... . 84
Emergency operation Emergency bra king funct ion (parking
brake) . ... .. .... .. . .. .. ..... ... .. . 89
E mergency starti ng ................. 274
Emergency towing .................. 276
Energy management .. .. ..... ... .. .. 191
Battery power ... .. . ... .... ... .. .. . 16
Driver notification . .. .. ..... ... .. .. . 16
En gine
Compartment .. ................... 214
Coolant ... .. .. .... .. ... ..... ... .. 218
Data ... .. .. .... .. . .. .. ..... ... .. 282
Hood ... .. .. .... .. . .. .. ..... ... .. 212
Starting . . . . . . . . . . . . . . . . . . . . . . 82, 85
•
•

_______________________________ ___:I~n ~d ~e:.::x 293
Fue l
Additives ... ..... ..... ... .. .. .. ... 207
Blended gasoline . ..... ... .. .. .. .. . 207
Consumpt ion . . . . . . . . . . . . . . . . . . . . . .
24
Filler neck .. ............. .... .. ... 209
Fue l gauge . ................ ... ... . 12
Gasoline ... ... .. .. ...... .. .. .. .. . 207
Gasoline additives ........... .... .. 209
L ow fuel level symbo l . . . . . . . . . . . . . . . 2 1
Octane r ating ............ .... .. ... 20 7
Recommenda tion . ..... ... .. .. .. .. . 20 7
Refue lling . ... .... .... ... .. .. .. ... 210
Reserve .... .... .. .... ... .. .. .. .... 12
T ank capacity . ........... .. .. .. ... 281
Tank system ............. .... .. .... 21
Unlock ing the fue l filler f lap by hand . . 211
F ue l economy messages (eff iciency pro-
gram) ..... .. .. .... .. .... ... .. .. .... 28
F ue l filler flap
Un loc king the f ue l filler fl ap by hand . . 211
Fuses Assignment . . . . . . . . . . . . . . . . . 269, 271
R l . ep acing .................. .... .. 269
G
Garage door ope ner (Homel ink) .. .. .. .. 45
Garment hooks . . . . . . . . . . . . . . . . . . . . . . 68
Gas discharge lamps ........ .. .. .. .. . 27 2
Gauges Eng ine coolant tempera ture .. .. .. .. .. 10
Fuel gauge ..................... ... 12
Tac hometer . . . . . . . . . . . . . . . . . . . . . . . 11
Gear recommendat ion ...... .. .. .. .. .. 2 7
G h.ft . d'
ea rs
I in 1cator . . . . . . . . . . . . . . . . . . . 26
Gearshift lever 6-speed manual tra nsmission . ....... . 93
General illustration
H
Head lights
Cleaning . ... .... .. . .. .. ..... ... .. 203
Cleaning system . . . . . . . . . . . . . . . . . . . . 55
Defective . . . . . . . . . . . . . . . . . . . . . . . . . 21
Head light range control ............ . 21
Left hand dr ive, r ight hand drive .. .. .. . 51
Trave l mode ...... ................. 51
Head light washer reservoir .... ... .. .. 225
Head restra ints .. .. ................. 130
Adjus ting . . . . . . . . . . . . . . . . . . . . 63, 130
Remov ing/insta lling . .. ..... ... .. .. . 63
Heated exter io r mir rors . . . . . . . . . . . . . . . . . . . . 52
r ear w indow . .. .. .... ........... .. . 80
sea ts ..... .. .. .. .... ............. . 80
windshield washer sp ray nozz les . . . . . . 55
Heating .......... .. ..... ........... 78
Heavy clothing and saf ety be lts . ... .. .. 139
Hig h beam .. .. .. .. .. . ... ........... . SO
Hig h voltage warning label ......... .. 280
Hill descent contro l .. . .. ..... ... .. .. . 97
Homelink (ga rag e doo r opener) ..... .. . 45
Hood
Open ing .. .. .. .. .... ............. 212
Re lease lever .. .. .. . .. ... ... .. .. .. 212
Hooks ... .. .. .... .. . .. .. ..... ... .. . 74
Hor n .. .... .. .... ..... ... ... ... ... .. 8
How are child restraint system anchors re-
lated to chi ld safety ........... .. .... 179
How many ai rbags does my vehicle have?
How often should I check my tire pres-
su res?
How safe ty bel t pre ten sioners w ork .. . .
Hydrop la ni ng ..... .. . .. .. ..... ... . . 151
2 41
142
24S
Instruments and contro ls . . . . . . . . . . . . . 8
I
Gene ra to r
Warn ing/ indicator ligh ts ... .. .. .. .. .. 16
Glossary of t ire and load ing te rm inology 229
Glove compartment . . . . . . . . . . . . . . . . . . 6 7
Va let pa rk ing ............ .... .. .. .. 45
G PS controlled clock . ..... .. .. .. .. .. .. 12
Gross Veh icle Weight Rat ing (GVWR) ... 280
Ground cl earance ... .... ... .. .. .. .. . 197 Ig
nition
swi tching on/off .. ...... .. .. ... .... . 82
Ig nitio n key
E m ergency unlock ing .......... .... .. 34
Ign it ion lock .. .. .. ...... .. ... ...... . 82
Indic ato r light . .. ........... ...... . 18
Mal func tion . . . . . . . . . . . . . . . . . . . . . . . 22
Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . 12
•
•

29 6 Index
Parking system ........... ... .. .... . 118
Rear .. .... ................ ..... . 118
Rear, with rear v iew camera ... .. .... . 120
Park ing system (rear) ................ 118
Ad justing the warning tones .. .. .... . 119
Parking system (rear, w ith rear view cam-
era) Park ing mode 1 ................... 122
Parking mode 2 ................... 123
Safety precautions ................. 120
Switching on/off ............. .... . 121
Switching rear view camera on/off ... . 124
Part it ion net . . . . . . . . . . . . . . . . . . . . 72, 73
Parts replacement .................. 285
Pass-t hrough ............... ... .... .. 75
PASSENGER AIR BAG OFF light ... .. .. . 155
Passive safety system ........... .... . 126
Pedals .. .. .. ................ ... .. . 131
Physical principles of a frontal collision 137
P lastic parts
C leaning ... ................ ..... . 204
Polishing .. .... .............. ...... 204
Pollutant filter (automatic A/C system) .. 78
Power seat adjustment . . . . . . . . . . . . . . . . . . . . 62
Power locking system . . . . . . . . . . . . . . . . . 31
E mergency locking .................. 37
Power windows .................... 42
Rear lid . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Selective unlock feature .... ..... .. .. 36
Settings ... ................ ..... .. 36
Sliding/tilting sunroof ............... 42
Power steering
refer to Electro-mechanical power as-
sist .. ... ................ ... .... . 190
Power window
Conven ience opening/closing . .. .... .. 42
Power windows .............. .. .... .. 42
Child safety locks .............. ..... 42
Malfunct ions ............. .... ..... 43
Pregnant women
Special considerations when wearing a
safety belt ............... ... .. .. . 141
Proper occupant seating positions .... . 127
Proper safety belt pos it ion . . . . . . . . . . . . 140 Proper
seating position
Front passenger .. ................ . 128
Occupants ... .. .. .. .............. . 127
Rear passengers .. ............. .... 129
Protecting ......................... 204
Protective liner . . . . . . . . . . . . . . . . . . . . . . 76
Q
Quartz clock . . . . . . . . . . . . . . . . . . . . . . . . 12
quattro
refer to all-wheel drive .......... ... 190
Question What happens to unbelted occupants? 137
Why safety belts? . . . . . . . . . . . . . . . . . 136
R
Radiator fan .. .. .. ............. .... 220
Rain/light sensor
Headlights ...... ............ .... .. 49
Intermittent (windshield w ipers) ...... 55
Sensor defective . . . . . . . . . . . . . . . . . . . . 22
Reading lights . . . . . . . . . . . . . . . . . . . . . . . 52
Rear door sun shade . . . . . . . . . . . . . . 54, 55
Rear fog lights .. .. ... .... ........ .. . 49
Rear lid Automatic operation ................ 39
Emergency re lease . . . . . . . . . . . . . . 40,
41
Escape handle ... ............. ..... 41
Opening and closing .............. .. 38
Rear light Defective . . . . . . . . . . . . . . . . . . . . . . . . . 21
Rear view camera
Parking mode
1 ................... 122
Parking mode 2 .. ................ . 123
Rear view mirror ................... .. 53
Rear window heating ............ ..... 80
Rear window sun shade . . . . . . . . . . . . . . . 55
Rear window washer system ......... .. 55
Recircu lation mode (automatic climate
control) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Refuell ing ......................... 210
Release lever for hood ............... 212
Remote contro l
Garage door opener (Home link) ...... . 45