oil temperature AUDI A4 2015 User Guide

218 Check ing and filling
Engine cooling system
Coolant
The engine coolant performs two functions: it
keeps the engine from overheating and it pro ­
tects the engine from freezing in the winter .
The cooling system is sealed and generally re­
quires little attention.
The cooling system has been filled at the fac­
tory with a permanent coolant which does not need to be changed. The coolant consists of a
mixture of specially conditioned water and the
manufacturer's glycol-basedcoolant addi-
tive G13 antifreeze with ant icorrosion addi­
tives (50% for USA models; 60% for Canadian models) . This mixture both assures the neces­
sary frost protection and protects metal com­
ponents in the engine's cooling system from
corrosion and scaling.
It a lso raises the boil­
ing point of the coo lant.
Do not reduce the concentration of the coo l­
ant in the summer by adding plain water .
The
pr opor tion of coolant add itiv e m ust be at
l eas t 50% but not more than 60%
to main­
tain antifree ze protection and cooling efficien­
cy. If the coolant frost protection is too low,
the coolant could freeze and damage the veh i­
cle heating and eng ine cooling system .
For year-round driving, antifree ze is added at
the factory for temperatures down to:
- -31°F(-35°C)USA
- - 40 ° F ( - 40 °C) Canada.
I f you must add coo lant, use a m ixture of wa­
ter and coolant addit ive. M ixing the coolant
addit ive with dist illed water is recommended.
_& WARNING
Before you check anything in the engine
compartment, always read and heed all
WARNINGS
~ &. in Working in the engine
compartment on page 212.
(D Note
- Before winter sets in, have the coolant
checked to see if the coolant additive in
-
your vehicle is sufficient to meet the cli­mate conditions . This is especia lly impor­
tant if you live in a reg ion where the win­
ter is extreme ly cold. If necessary, in­
crease the proportion of coolant additive
to 60% .
- When adding coolant additive to your
cooling system, remember :
- We recommend us ing on ly coolant ad­
d itive G12 ++ or G13 for your vehicle.
This coolant addit ive is availab le at a u­
thorized Audi dealers. Other types of
antifreeze can significantly reduce cor­ rosion protection. The resulting corro­
sion can cause a loss of coolant and se­
rious engine damage .
- Do not add any type of radiator leak seal­
ant to your vehicle's engine coolant.
Add ing radiator repa ir flu id may adverse ­
ly affect the function and performance of
your cooling system and could resu lt in
damage not covered by your New Veh icle
Limited Warranty.
Checking the engine coolant level
The engine coolant level can be checked with
a quick glance.
F ig . 1 85 Engine compar tmen t: Cover on the coo la n t
expans io n t ank
.,. Before you check anything in the engine
compa rtment,
alwa ys read and h eed all
W ARNING S ~ ,& in Working in the engine
compartment on page 212.
.,. Park your vehicle on a level surface .
.,. Turn off the ignition.
.,. Read the engine coolant level from the coo l­
ant expansion tank
c:> fig . 185, c:> page 214,
fig . 182.
With a cold engine, the coolant Iii>-

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Consumer Information
Warranty coverages
Your Audi is covered by the following war­
ranties :
- New Vehicle Limited Warranty
- Limited Warranty Against Corrosion Perfo-
ration
- Emissions Control System Warranty
- Emissions Performance Warranty
- California Emissions Control Warranty (USA
vehicles only)
- California Emissions Performance Warranty
(USA vehicles only)
Detailed information regarding yo ur warran ­
ties can be found in your
Warranty & Mainte­
nance booklet .
Operating your vehicle
outside the U.S.A. or
Canada
Government regulations in the United States
and Canada require that automobiles meet
specific emission regulations and safety
standards. Therefore, veh icles built for the
U.S.A. and Canada differ from vehicles sold in
other countries .
I f you p lan to take your vehicle outside the
continental limits of the United States or Can­
ada, there is the possibility that:
- unleaded fuels for vehicles with cata lytic
converter may not be available;
- fuel may have a considerably lower octane
rating . Improper fuel may cause engine
damage;
- service may be inadequate due to lack of
proper service facilities, tools or testing
equipment;
- replacement parts may not be readily availa­
ble.
- Navigation systems for vehicles built for the
U.S.A. and Canada will not necessari ly work
in Europe, and may not work in other coun­
tries outside of North America.
Consumer Information 283
@ Note
Audi cannot be responsible for mechanical
damage that could result from inadequate
fuel, serv ice or parts availab ility.
Audi Service Repair
Manuals and Literature
Audi Offic ial Factory Service Manuals and Lit ­
erature are published as soon as possible after
model introduct ion. Service manuals and lit­
erat ure are available to order from the Audi
T echnical Literature Ordering Center at:
www.audi.techliterature.com
Maintenance
' General
Your vehicle has been designed to help keep
maintenance requirements to a m inimum.
However, a certain amount of regular mainte­
nance is still necessary to assure your vehicle's
safety, economy and reliability . For detailed
vehicle maintenance consult your Warranty
&
Maintenance booklet.
Under difficult operating conditions , for ex­
ample at extremely low outside temperatures,
in very dusty regions, when towing a trailer
very frequently, etc., some serv ice work
shou ld be pe rformed between the intervals
specified. This applies particularly to:
- oil changes, and
- cleaning or replacing the air filter.
® For the sake of the environment
By regularly maintaining your veh icle, you
help make sure that emission standards
are maintained, thus min imiz ing adverse
effects on the environment .
Important considerations for you and
your vehicle
The increasing use of electronics, sophistica t­
ed fuel injection and emission contro l sys-
tems, and the genera lly increasing technica l ..,_
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292 Index
Starting with jumper cab les . ....... . 274
Stopping . . . . . . . . . . . . . . . . . . . . . . 84, 86
E ng ine compartment
Safety instructions ...... .. .. .. .. .. . 212
Working the engine compartment 212
Eng ine coolant
Indicator light . . . . . . . . . . . . . . . . . . . . . 17
E ngine coolant system ...... .. .. .... . 218
Adding coolant ........... .. .. .. .. . 219
Checking coolant level ..... .. .. .. .. . 218
Check ing the eng ine coolant level .. .. . 218
Radiator fan .............. ... .. .. . 220
E ngine coolant temperature
Temperature gauge ....... .. .. .... .. 10
Engine hood
C losing ......... ......... ... .... . 212
How to release the hood ............ 212
E ng ine oil . .... ........... ........ . 214
Adding .. .. ............. .. .. .. .. . 216
Addit ives ... ................ ..... . 216
Changing . ................. ..... . 217
Check oil level ............ ... .... . 216
Consumption ............ .. .. .. .. . 216
Indicator light . . . . . . . . . . . . . . . . . 17, 21
Oil consumption ............ .. .... . 215
Oil grades .. ................ ... .. . 214
Pressure malfunction ...... .. .. .. .. . . 17
Sensor defective . . . . . . . . . . . . . . . . . . . . 21
Specification and viscos ity .. .. .. .... . 214
Engine speed limitation ......... .... .. 20
Environment Break- in period ............ ... .... . 193
Cata lytic converter ............ .. .. . 194
Disposing of your vehicle battery ..... 225
Driving at high speeds ..... .. .. .. .. . 195
Driving to minimize pollution and noise 195
Fuel ..... .. ..... ........... ... .. . 210
Fuel economy ............. ... .. .. . 195
L eaks under your veh icle . .. .. .. .. .. . 212
L ett ing the vehicle stand and wa rm up . 196
Proper disposal of drained brake fluid . 221
Proper disposal of drained engine coo l-
ant ..... .. ................ ..... . 219
Proper disposal of dra ined engine
oil .. .. .. ................. .. 216,217
Recycling used engine oil ... .. .. .. .. . 216
Roof rack . . . . . . . . . . . . . . . . . . . . . . . . . 70 Unleaded fuel
.... ................ . 207
What shou ld I do with an o ld battery? . 22S
EPC
refer to E lectronic power control . . . . . . 20
Ethyl alcohol (Fuel) . .. .. ...... ... .. .. 208
Event Data Recorder (EDR) ............ 184
Exhaust tail pipes
Cleaning .. .... .. ............. .... 203
Expansion tank .... ............. .... 218
Exterior lighting ... ................ .. 49
Exterior m irrors
Adjust ing . .. .. .. .. ........... .. .. . 52
Dimming .. .... .. ............. ..... 53
Heating . .. .. .. . .............. .. .. . 52
F
Fan
Radiator 220
Fastening Booster seats . . . . . . . . . . . . . . . . . . . . . 173
Convertib le child safety seats .. ... ... 172
Infant seats ... .. ... .......... .... 171
Fa stening eye s
refer to Tie-downs .. .... .... ... .. .. . 74
Flat tire Changing ..... .. ................ . 263
flexib le fue l ....... ............. .... 208
Floor .. .... .... .. ................. . 76
Floor mats . ..... .. ................ . 131
Fog lights/rear fog light(s) ......... ... . 49
Folding the rear seats ............ .... . 71
Foot pedals . .... .. ............. .... 131
For the sake of the environment Gasoline fumes and the env ironment .. 210
Letting the engine warm up . . . . . . 82, 85
Refueling . .. .. .. ... .......... .... 210
Sav ing fuel by early upshifting . .. .. .. . 11
Front airbags Description . . . . . . . . . . . . . . . . . . . . . . . 148
How they work . .. .......... ...... . 153
Frontal collisions and the laws of physics 137
Front passenger's door emergency lock ing 37
Front seats Adjusting ... .. .. ....... ...... .. .. 128
Child restraints in the front seat .. .. .. 145

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------------------------------~I~ n~ d~ e~x~ 295
Loading .... .. .... .... ... .. .. .. ... 132
Partition net . . . . . . . . . . . . . . . . . . . 72, 73
Pass-thro ugh ... ...... ... .. .. .. .. .. 75
Revers ible mat ........... .... .. .... 75
Secur ing attachments ............... 75
Ski sack ........................... 75
Tie-downs .. ... .. .. ... ... .. .. .
74, 133
Valet park ing ................... ... 45
Lumbar support . . . . . . . . . . . . . . . . .
61, 62
M
Maintenance ... .... .... ... .. .. .. ... 283
M alf unct io n I ndicator Lamp (MIL) . . 20, 29
Manual transmission ................. 93
Matte fin ish pa int cleaning . ... .. .. .. . 20 2
Mechanical key . . . . . . . . . . . . . . . . . . 32, 33
Memory funct ion . . . . . . . . . . . . . . . . . . . . 64
Mil eage
Average .. .. ............. .. .. .. .. ..
24
Instantaneous . . . . . . . . . . . . . . . . . . . . . 24
M irrors
Ad justing the exte rior mi rrors . .. .. .. .. 52
Compass . .. .... ......... .... .. .. .. 58
d' . 1mming ... .... ......... .. .. .. .. .. 53
Vanity mirrors . ... .... ... .. .. .. .. . .
Mon itoring the Advanced Airbag System
multitronic
. . .. ........... .. .. .. ....
54
154
93
Automatic Shift Lock (ASL) . . . . . . . . . . . 95
Driving .. .. .. .. ............ ... .. .. 95
Emergency mode ................... 99
Manual s hift program ......... .. .. .. 98
Selecto r leve r . . . . . . . . . . . . . . . . . . . . . . 94
N
Natural leather
C l ·
eaning ... ... .. .. ... ... .. .. .. .. . 205
Net .. .. ... . .... ............. .. .. ..
68
New tires and w heels
NHTSA 248
Contact ing ..................... .. 134
Number of seats .................... 136
0
Occupant seating positions
Octane rating 127
207
Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Offroad .......... .. ............... 197
OFF (automatic climate control) . . . . . . . . 79
Oil
refer to Eng ine oi l . . . . . . . . . . . . 214, 216
Oil consumpt ion .... ................ 216
On-Board D iagnost ic System (OBD)
Data Link Connector (DLC) ............
29
Electronic speed limiter .............. 30
Malfunction Indicator Lamp (MIL) ..... 29
Open door or front lid warning . ... .. .. . 23
Opening
Power w indows ...... ............. .
42
Rear li d . . . . . . . . . . . . . . . . . . . . 39, 40 , 41
Slid ing/ti lting s unroof .. ..... ... .. .. . 43
Sunshade ....... .. . .. .. ..... ... .. . 43
Sun shades . . . . . . . . . . . . . . . . . . . . 54, 55
Open ing/closing
at the lock cy linder ................. .
37
by remote control . . . . . . . . . . . . . . . . . . 34
with the ce ntra l locking sw itch ... .. .. . 35
with the convenience key ..... ... .. .. . 35
Operate yo ur vehicle e conomi cally and
min imize poll ution . ............... ..
195
Optional equipment
Marked w ith an aster isk . . . . . . . . . . . . . . . 6
Other equipment (efficiency program)
27
Outs ide mir ro rs
refer to E xterior mirrors . . . . . . . . . . . . . 52
Outs ide temperature disp lay . . . . . . . . . . .
23
Owner's manual
How the Owner's Manual is organ ized ... 6
p
Paint damage 204
Pa int No ........................... 280
Parcel shelf ... .. .. .. .. ........... .. . 76
Pa rk assist . . .. .. .... .. .. ...... ... .. 118
Cleaning sensors/came ra lenses .. .. .. 203
Pa rking ................. ........... 88
A ut oma tic transm iss ion ........ .. .. .
95
Vale t parking .. .. .. ........... .... . 45
Parking brake ... .. .. . .. .... ...... .. .
87
also refer to Electromechanical parking
brake ........ .... .................
87
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