2015 AUDI A5 coolant temperature

M N
i? co ,...., \!) 1.1'1
N 1.1'1 ,....,
today's automobiles, have steadily reduced the
scope of maintenance and repairs which can be
carried out by veh icle owners .
Also , s afety a nd
en viro nm enta l
concerns place very strict limits
on the nature of repa irs and adjustments to en­
g ine and transmission parts which an owner can
perform.
Maintenance, adjustments and repairs usua lly re­
qu ire spec ial tools, testing devices and other
equ ipment available to specially trained work­
shop perso nnel in order to assure proper per­
formance, reliab ility and safety of the vehicle and
its many systems.
Improper ma intenance, adjustments and repairs
can impair the operation and reliability of your
vehicle and even void your vehicle warranty .
Therefore, proof of se rv icing in accordance with
the m aintenance schedule may be a condi tion for
upho ld ing a possib le warranty cla im made w ith in
the warranty period .
Above all, operational safety can be adversely af­
fected, creating unnecessary r isks fo r you and
your passengers.
I f in doubt about any servicing, have it done by
your author ized Audi dealer or any prope rly
equ ipped and qua lified workshop. We st rongly
urge you to give your authorized Audi dealer the
opport unity to perform all sched uled mainte­
nance and necessary repairs. Your dealer has the
fac ilities, origina l parts and trained specialists to
keep yo ur vehicle runn ing properly.
P e rforming lim it e d ma inten anc e y ours elf
The fo llowing pages describe a limited number of
proced ures which can be performed on yo ur vehi­
cle with ordinary tools, should the need arise and
trained personne l be unavailable. Before per­
forming any of these procedures, always thor­
oughly read all of the applicable text and careful­
ly follow the instructions g iven . Always rigorously
observe the
W ARNINGS prov ided .
Before you check an ything in the engine com ­
partm ent, always r ead and h eed all WARNING S
c:> .&. and c:> .&. in Working in the engine comport­
ment on page 191.
C o nsum er information
A WARNING
- Ser ious personal injury may occur as a result
of improperly performed maintenance, ad­
justments or repairs.
- Always be extremely careful when work ing
on the vehicle. Always follow commonly ac­
cepted safety practices and general com­ mon sense. Never ris k personal injury.
- Do not attempt any of the maintenance,
checks or repairs descr ibed on the following
pages if you are not fully familia r wi th these
or other procedures w ith respect to the vehi­
cle, or a re unce rtain how to proceed .
- Do not do any work without the proper tools
a nd eq uipment. Have the necessary work
done by your authorized Audi dealer or any
properly equipped and qualified workshop.
- The engine compa rtment o f any motor vehi­
cle is a potentially hazardous area. Neve r
reach into the area around or touch the radi­
ator fan. It is temperature controlled and
can switch on suddenly - even when the en­
g ine is off and the ignition key has been re­
moved. The rad iator fan switches on auto­
mat ically when the coo lant reaches a certain
temperature and will continue to run unt il
the coolant temperature d rops.
- Always remove the ign ition key befo re any­
one gets under the vehicle.
- Always support your veh icle with safety
stands if it is necessary to work underneath
the vehicle. The jack supplied w ith the vehi ­
cle is no t adequ ate for this purpose and
could collapse caus ing serious personal in­
jury.
- If you m ust wor k underneath t he vehicle
with the wheels on the ground, a lways make
sure the vehicle is on level ground, that the
wheels are a lways secure ly blocked and that
the engine cannot be started.
- Always make sure the transmission se lector
lever (automatic transmiss ion) is in "P"
(Park position) or Neutral (manua l transm is-
sion) and the park brake is firmly applied. .,.
245

Index
A
A/C (automatic climate control) . . . . . . . . . . 69
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . 246
adaptive c ruise control
Vehicles with manual transmission . . . . . . 90
Adapt ive cruise control. . . . . . . . . . . . . . . . . . 89
Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Request for driver intervention . . . . . . . . . . 94
Setting the driving program . . . . . . . . . . . . 94
Adapt ive dampe rs . . . . . . . . . . . . . . . . . . . . . 102
Adaptive light . . . . . . . . . . . . . . . . . . . . . . . . . 44
Adaptive Light (defective) . . . . . . . . . . . . . . . 21
Adding Eng ine coolant . . . . . . . . . . . . . . . . . . . . . . 198
E ng ine oi l . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Windshield washer fluid . . . . . . . . . . . . . . 204
Additional accessories
Add itives 246
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Adjustab le steer ing column . . . . . . . . . . . . . . 72
Adjusting Air distribution (automatic climate control) 70
Instrument illum inat ion . . . . . . . . . . . . . . . 47
Steer ing column . . . . . . . . . . . . . . . . . . . . . . 72
Temperature (automatic climate control) . 70
Airbag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Warn ing/indicator lights . . . . . . . . . . . . . . . 19
Airbag system . . . . . . . . . . . . . . . . . . . . . . . . 147
Adv anced Airbag-System . . . . . . . . . . . . . . 133
Advanced Airbag System components . . . 135
Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Children . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Child restraints . . . . . . . . . . . . . . . . . . . . . . 153
Components (front airbags) . . . . . . . . . . . 135
Danger of fitting a child safety seat on the
front passenger seat . . . . . . . . . . . . . . . . . 130
Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Fr ont airbags . . . . . . . . . . . . . . . . . . . 133, 134
How do the front airbags work? . . . . . . . . 13 7
How many airbags does my vehicle have? 135
How the Advanced Airbag System compo-
nents work together . . . . . . . . . . . . . . . . . 1 37
Important information . . . . . . . . . . . . . . . 129
Important safety instructions on the knee
ai rbag system . . . . . . . . . . . . . . . . . . . . . . . 145
I ndicator light . . . . . . . . . . . . . . . . . . . . . . 139
248
Knee airbags . . . . . . . . . . . . . . . . . . . . . . . . 143
Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . 139
PASSENGER AIR BAG OFF light . . . . . . . . . 139
Repairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Sa fety ins tructions . . . . . . . . . . . . . . . . . . . 141
Side airbags . . . . . . . . . . . . . . . . . . . . . . . . 145
Side curtain airbags . . . . . . . . . . . . . . . . . . 148
Weight-sensing mat . . . . . . . . . . . . . . . . . 152
When must the system be inspected? . . . 139
all-wheel drive ....................... 174
All season tires . . . . . . . . . . . . . . . . . . . . . . . 220
Alternator
refer to Generator . . . . . . . . . . . . . . . . . . . . 16
Anti-free ze
refer to Engine coolant system . . . . . . . . . 196
Anti- lock braking system
Warning/indicator lights . . . . . . . . . . . . 18, 19
Ant i-Lock Braking System . . . . . . . . . . . . . . 170
Anti-slip regula tion
Warning/indicator lights . . . . . . . . . . . . . . . 18
Anti-Slip Regulation . . . . . . . . . . . . . . . . . . . 170
Anti-theft a la rm system . . . . . . . . . . . . . . . . . 31
Anti-theft systems Elec tronic immobilizer. . . . . . . . . . . . . . . . .
37
Armrest...... .. .. .. .. ................ 57
Ashtray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Audi braking guard
refer to braking guard . . . . . . . . . . . . . . . . . 89
Audi drive select . . . . . . . . . . . . . . . . . . . . . . 102
Adaptive dampers . . . . . . . . . . . . . . . . . . . 102
Descript ion . . . . . . . . . . . . . . . . . . . . . . . . . 102
Dynamic steering . . . . . . . . . . . . . . . . . . . . 102
Setting the driving mode . . . . . . . . . . . . . . 103
Sport d ifferential . . . . . . . . . . . . . . . . . . . . 102
Audi Service Repair Manuals and Literature 244
AUTO Automat ic climate control . . . . . . . . . . . . . . 70
Automat ic headlights . . . . . . . . . . . . . . . . . 44
Automatic belt retractor . . . . . . . . . . . . . . . 124
Automatic climate control Air vents . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Automatic Shift Lock (ASL) . . . . . . . . . . . . . . 84
Automatic transmission . . . . . . . . . . . . . . . . . 82
Automat ic Shift Lock (AS L) . . . . . . . . . . . . . 84
Driving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

M N
i? co ,...., \!) 1.1'1
N 1.1'1 ,....,
Driving safe ly . ..... .... ... .. .. .. .. ... 112
D riving through water . . . . . . . . . . . . . . . . . 177
Driving time . . . . . . . . . . . . . . . . . . . . . . . . . . 24
D ust filter
refer to Po llutant filte r (automa tic A/C sys-
tem) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
D ynamic stee ring . ...... .... .. 102,170 ,174
E
E85 ( Fue l) . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Easy entry function . . . . . . . . . . . . . . . . . . . . . 56
E ffi ciency program . . . . . . . . . . . . . . . . . . . . . 26
Fu el economy messages . . . . . . . . . . . . . . . 28
M emory leve ls . . . . . . . . . . . . . . . . . . . . . . . 24
Other equipment . . . . . . . . . . . . . . . . . . . . . 27
Shift indicator . . . . . . . . . . . . . . . . . . . . . . . 27
E lect ro-me chanical power assist . . . . . . . . . 17 4
Electromechanical park ing brake
Emergency braking . . . . . . . . . . . . . . . . . . . 79
Indicator light . . . . . . . . . . . . . . . . . . . . . . . 77
Par king . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Releasing and clos ing . . . . . . . . . . . . . . . . . 77
S tart ing assist . . . . . . . . . . . . . . . . . . . . . . . 78
S tarting from rest . . . . . . . . . . . . . . . . . . . . 78
Starting off with a tra ile r. .. .. .. .. .. .... 78
War ning/indicator lights . . . . . . . . . . . . . . . 1 6
E lect ro ni c diffe rent ial loc k
War ning/ indica to r li ghts . . . . . . . . . . . . . . . 18
Electro nic Different ia l Lock . . . . . . . . . . . . . 170
Electronic different ial lock (EDL)
War ning/indicato r lights . . . . . . . . . . . . . . . 1 9
E le ctr onic immobili ze r . . . . . . . . . . . . . . . 12 , 37
Electronic power co ntrol
(EPC) warn ing/indicator light . . . . . . . . . . . 20
Elect ro nic speed limite r . . . . . . . . . . . . . . . . . 30
E lect ro ni c stabilization co ntrol
Sport mode . . . . . . . . . . . . . . . . . . . . . . . . 17 1
Electro nic Stabiliza tion Control . . . . . . . . . . 170
Electro nic Stabilization Control (ESC)
War ning/indicator lights . . . . . . . . . . . . . . . 1 8
E me rgency a ctuation
D oors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
I gnition key . . . . . . . . . . . . . . . . . . . . . . . . . 34
Panoramic tilting s unroof . . . . . . . . . . . . . . 4 0
Sun shade ( roof) . . . . . . . . . . . . . . . . . . . . . 4 0
Eme rgency braking . . . . . . . . . . . . . . . . . . . . . 79
Index
E mergency flashe r . . . . . . . . . . . . . . . . . . . . . 46
Warning/indicator lights . . . . . . . . . . . . . . . 22
E mergency key . . . . . . . . . . . . . . . . . . . . . . . . 32
Sta rting engi ne . . . . . . . . . . . . . . . . . . . . . . 74
Emergency operation Emergency brak ing funct ion (park ing brake) .7 .9
Emergency starting . . . . . . . . . . . . . . . . . . . 236
E nergy ma nagement . . . . . . . . . . . . . . . . . . 175
B attery power . . . . . . . . . . . . . . . . . . . . . . . 16
D rive r notification . . . . . . . . . . . . . . . . . . . . 16
E ngine
Compartment . . . . . . . . . . . . . . . . . . . . . . . 193
Coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Star ting . . . . . . . . . . . . . . . . . . . . . . . . . 72, 75
S tarting with jumper cables . . . . . . . . . . . 2 36
Stoppi ng . . . . . . . . . . . . . . . . . . . . . . . . . 7 4, 76
En gine compartmen t . . . . . . . . . . . . . . . . . . 193
Safety i nstr uctions............. .. .. .. 191
Wor king the eng ine compartmen t . . . . . . 191
En gine coolant
I n dicator light . . . . . . . . . . . . . . . . . . . . . . . 17
Engine coolant system . . . . . . . . . . . . . . . . . 196
Adding coolant . . . . . . . . . . . . . . . . . . . . . . 198
Checking coolant level . . . . . . . . . . . . . . . . 197
Checking the engine coo la nt level . . . . . . . 197
Radiator fan . . . . . . . . . . . . . . . . . . . . . . . . 199
Engine coolant temperature Temperature gauge . . . . . . . . . . . . . . . . . . . 10
E ngine hood
Closing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
How to re lease the hood . . . . . . . . . . . . . . 191
En gine o il . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Adding . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Addi tives. ..... .. .. ... .. ..... ... .. .. 195
Changing . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Check oil level . . . . . . . . . . . . . . . . . . . . . . 195
Consumption . . . . . . . . . . . . . . . . . . . . . . . 195
Indicator light . .. ... .......... .. .. 17, 20
Oil consumpt io n . . . . . . . . . . . . . . . . . . . . . 194
Pressure malfunction . . . . . . . . . . . . . . . . . . 17
Senso r defect ive . . . . . . . . . . . . . . . . . . . . . . 20
Spec ificat io n and viscosity . . . . . . . . . . . . . 193
Engine speed limitation . . . . . . . . . . . . . . . . . 20
E nvironment
C atalytic converter . . . . . . . . . . . . . . . . . . . 178
Dispos ing of your veh icle battery . . . . . . . 203
251

Index
Driving at high speeds . . . . . . . . . . . . . . . . 179
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Leaks under your veh icle ....... .. .. ... 191
Letting the vehicle stand and warm up... 179
Proper disposal of drained brake fluid . . . 200
Proper disposal of drained engine coolant 198
Proper disposal of drained engine oil 195, 196
Recycling used engine oil . . . . . . . . . . . . . . 195
Roof rack . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Unleaded fuel . . . . . . . . . . . . . . . . . . . . . . . 186
What should I do with an old battery? . . . 203
EPC
refer to Electronic power control . . . . . . . . 20
Ethyl alcohol (Fuel) . . . . . . . . . . . . . . . . . . . . 187
Event Data Recorder (EDR) . . . . . . . . . . . . . . 169
E xpansion tank . . . . . . . . . . . . . . . . . . . . . . . 197
Exterior lighting . . . . . . . . . . . . . . . . . . . . . . . 44
Exterior mirrors
Adjusting . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
D immi ng ... .. .. ................ ..... 48
Heating. ... .... ................ ..... 47
F
Fan
Radiator
Fastening 199
Booster seats . . . . . . . . . . . . . . . . . . . . . . . 159
Convertible ch ild safety seats . . . . . . . . . . 157
I nfant seats . . . . . . . . . . . . . . . . . . . . . . . . 156
flexible fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Floor mats . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Fog lights/rear fog light(s) . . . . . . . . . . . . . . . 44
Folding the rear seats . . . . . . . . . . . . . . . . . . . 64
Foot pedals . . . . . . . . . . . . . . . . . . . . . . . . . . 117
For the sake of the environment Environmentally-friendly driving . . . . . . . 179
Gasoline fumes and the environment . . . . 188
L ett ing the engine warm up . . . . . . . . . 72, 75
Refueling . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Saving fuel by early upshifting . . . . . . . . . . 11
Fro nt airbags
Description . . . . . . . . . . . . . . . . . . . . . . . . . 133
H ow they work . . . . . . . . . . . . . . . . . . . . . . 137
Fronta l collisions and the laws of physics . . 122
Front passenger's door emergency locking . . 36
252
Front seats
Adjusting . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Child restraints in the front seat . . . . . . . . 130
Fuel Additives . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
B lended gasoline . . . . . . . . . . . . . . . . . . . . 186
Consumption . . . . . . . . . . . . . . . . . . . . . . . . 24
F u el gauge . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Gasoline additive s . . . . . . . . . . . . . . . . . . . 188
Low fuel level symbol . . . . . . . . . . . . . . . . . 20
Octane rat ing . . . . . . . . . . . . . . . . . . . . . . . 186
Recommendation . . . . . . . . . . . . . . . . . . . . 186
Refuelling . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Reserve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Saving fuel . . . . . . . . . . . . . . . . . . . . . . . . . 179
Tank capac ity . . . . . . . . . . . . . . . . . . . . . . . 242
Tank system . . . . . . . . . . . . . . . . . . . . . . . . . 20
Unlock ingthefuelfi llerflapbyhand .. .. 190
Fuel economy messages (efficiency program) 28
Fuel filler flap
Unlocking the fuel filler flap by hand . . . . 190
Fuses Assignment ..... .. .. ....... 232, 233, 234
Rep lacing . . . . . . . . . . . . . . . . . . . . . . . . . . 232
G
Garage door opener (Homelink) . . . . . . . . . . 41
Garment hooks . . . . . . . . . . . . . . . . . . . . . . . . 61
Gas discharge lamps . . . . . . . . . . . . . . . . . . . 235
Gauges Engine coolant temperature . . . . . . . . . . . . 10
Fuel gauge . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Tachometer . . . . . . . . . . . . . . . . . . . . . . . . . 11
Gear recommendation . . . . . . . . . . . . . . . . . . 27
Gearshift indicator . . . . . . . . . . . . . . . . . . . . . 26
Gearshift leve r
6-speed manual transmission . . . . . . . . . . . 82
General illustration
Instruments and controls . . . . . . . . . . . . . . . 8
Generator Warning/indicator lights . . . . . . . . . . . . . . . 16
Glossary of tire and loading terminology . . 207
G love compartment . . . . . . . . . . . . . . . . . . . . 61
Valet parking . . . . . . . . . . . . . . . . . . . . . . . . 40
GPS controlled clock . . . . . . . . . . . . . . . . . . . . 12
Gross Vehicle Weight Rating (GVWR) . . . . . 241