check engine light AUDI A5 2015 Owner´s Manual

Checking and Fill in g
th e e nergy management functions correctly after
replacing the battery.
If i t is not poss ible to use a battery of this type,
the new battery must have the same capacity,
voltage (12-vo lts), amperage, construct ion and
p lug sealing.
When insta lling the battery, make sure the igni­
tion and all elec trical consumers are t urned off.
CD Note
Make sure the ventilation hose on the s ide of
t he batte ry is connected, otherwise fumes or
bat tery ac id can leak out.
@ For the sake of the environment
Because of the problem of proper d isposa l of
a battery, we recommend your author ized
Audi dea le r change the battery for yo u. Ba t­
teries contain su lfuric acid and lead and must
always be disposed of properly in compliance
w ith all environmenta l reg ulations. D isposing
of vehicle batteries improperly is very danger­
ous to the environment.
Windshield/headlight* washer container
Fig. 167 Engine co mpa rtment : Cove r on th e w in d shiel d
an d h ead ligh t• was her fl uid container
The washer fluid containe r is marked with the
symbol
O on its cap ¢ fig . 167 , ¢page 193 ,
fig . 161 .
.,. Before you check anyth ing in the eng ine com­
partment , alw ays re ad and he ed all WARN·
I NGS
¢ ,& in Working in the engine comport­
ment on page 191 .
204
.,. Lift the filler cap tongue to add washer fluid.
Yo u can fill the container to the top.
.,. Press the cap back onto the filler neck after fill-
ing the container .
You can find the reservoir ca p acit y in the table in
~ page 242.
Clean water should be used when filling up. If
possible, use soft water to prevent scaling on the
washer jets . Always add a g lass cleaner solution
(with frost protection in the winter) .
CD Note
Do not mix engine coolant antifreeze or any
other additives to fill up the windsh ield wash­
er reservoir.

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
Vehicl es with an automa tic tra nsmission
c annot be st arted by pushing or towing .
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, us ing a
p air of j umpe r cables to start the engine.
Jump er c abl es
Use only jumper cab les of sufficiently largec ross
sec tion
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:
plus (+ ) 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 . Fo llow 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 whenever 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
236
frozen battery completely, otherwise it
could explode.
- Do not allow battery acid to contact eyes or
skin. Flush any contacted area with water immed iately.
- 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 rat ing . 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 sho uld 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 191.
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. .,.

M
Emergency mode . . . . . . . . . . . . . . . . . . . . . 87
Emergency release . . . . . . . . . . . . . . . . . . . . 88
K ick -down . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Manual shi ft program . . . . . . . . . . . . . . . . . 86
Remova l lock (ignition key) . . . . . . . . . . . . . 72
Selector leve r . . . . . . . . . . . . . . . . . . . . . . . . 83
Automatic wipe rs . . . . . . . . . . . . . . . . . . . . . . 50
Auto Safety Hotline . . . . . . . . . . . . . . . . . . . 119
Average speed . . . . . . . . . . . . . . . . . . . . . . . . . 24
Avoid damaging the vehicle . . . . . . . . . . . . . 17 7
B
Batte ry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
B att ery lo cati on in side the lugg age comp art-
men t .... .. .. .... .. .... ... .. .. .... . 20 1
C harge level . . . . . . . . . . . . . . . . . . . . . . . . 17 5
C harging . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Energy management ................ .
Important warn ings when wo rking on the
battery .. ...... .......... ... .. .. .. .
J ump starting ...................... .
Replacing the batte ry ...... ...... ... .
Wo rking on t he battery .............. .
Before driving 175
201
236
203
20 1
112
Belt tensioners . . . . . . . . . . . . . . . . . . . . . . . 12 7
Bio-ethanol (Fue l) . . . . . . . . . . . . . . . . . . . . . 187
Blended gasoline . . . . . . . . . . . . . . . . . . . . . 186
B lower (automa tic climate cont rol) . . . . . . . . 70
Booster seats . . . . . . . . . . . . . . . . . . . . . . . . 159
Brake fl uid
C hanging the brake fl uid . . . . . . . . . . . . . . 200
Checking the brake fluid level . . . . . . . . . . 199
B rake system
Anti-loc k bra king system . . . . . . . . . . . . . . . 1 9
Brake fl uid specifications for refill and re­
p lacement . . . . . . . . . . . . . . . . . . . . . . . . . 200
Brake light defect ive . . . . . . . . . . . . . . . . . . 21
Brake power assist unit ............... 172
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
Ceramic brakes . . . . . . . . . . . . . . . . . . . . . . 172
Elect romechan ica l park ing brake . . . . . . . . 77
War ning/ indicato r lights . . . . . . . . . . . . . . . 15
Wo rn brake pad s symbol . . . . . . . . . . . . . . . 20
N Braking
~ Brake assist . . . . . . . . . . . . . . . . . . . . . . . . 170
; Eme rgency braking function . . . . . . . . . . . . 79
N l/'I ,....,
Index
braking guard
Messages . . .
. . . . . . . . . . . . . . . . . . . . . . 89
96
Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Br eak-in per iod
Br ake pads .... .. ............. .... . .
T ires
B reaking in ........ ............... .. . 172
17
7
177
New t ires ... .. .. .. ........... .. .. .. 212
Bul bs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
C
Californ ia Proposition 65 War ning
Battery specific 192
202
C apaci ties . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
E ngine oi l . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Cargo area
refer to Luggage compartment ..... . 64, 118
Catalyt ic converter . . . . . . . . . . . . . . . . . . . . 178
Cen ter armrest . . . . . . . . . . . . . . . . . . . . . . . . 5 7
Central lock ing . . . . . . . . . . . . . . . . . . . . . . . . 31
Central lock ing switch . . . . . . . . . . . . . . . . . 35
Convenience key . . . . . . . . . . . . . . . . . . . . . . 34
Remote contro l key . . . . . . . . . . . . . . . . . . . 34
Ceramic bra ke rotors
New brake pads . . . . . . . . . . . . . . . . . . . . . 172
Ce rtification . . . . . . . . . . . . . . . . . . . . . . . . . 24 7
Chang ing engine oil . . . . . . . . . . . . . . . . . . . 196
Checking Engine coolant level . . . . . . . . . . . . . . . . . . 197
Child rest raints
D anger of using child rest rain ts in the front
sea t............................... 130
Where can I get additional in format io n
about child restraints and the ir use? . . . . 168
Child rest raint system a nchors . . . . . . . . . . 164
Child safety . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Important safety instructions for using child
safety seats . . . . . . . . . . . . . . . . . . . . . . . . 154
I n stalling a c hild restra int using th e LATCH
system . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
L ower anchorages . . . . . . . . . . . . . . . . . . . 165
Moun ting and rele asing the anchorage
hook . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
T ether anchors . . . . . . . . . . . . . . . . . . . . . . 166
T ether straps . . . . . . . . . . . . . . . . . . . . . . . 166
249

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

M N
i? co ,...., \!) 1.1'1
N 1.1'1 ,....,
H
Headlights
Cleaning system . . . . . . . . . . . . . . . . . . . . . . 50
Defective . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Headlight range control . . . . . . . . . . . . . . . 21
Left hand drive, right hand drive . . . . . . . . . 46
Travel mode . . . . . . . . . . . . . . . . . . . . . . . . . 46
Headlight washer reservoir . . . . . . . . . . . . . 204
Head restraints . . . . . . . . . . . . . . . . . . . . . . . 115
Adjusting .. ............. .... . 57, 58, 115
Removing/installing . . . . . . . . . . . . . . . . . . 58
Heated exterior m irrors . . . . . . . . . . . . . . . . . . . . . . 47
rear window . . . . . . . . . . . . . . . . . . . . . . . . . 70
seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
windshield washer spray nozzles . . . . . . . . 50
Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Heavy clothing and safety belts . . . . . . . . . . 123
H igh beam . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
High voltage warning labe l . . . . . . . . . . . . . 241
Hill descent control . . . . . . . . . . . . . . . . . . . . 86
Home link (garage door opener) . . . . . . . . . . 41
Hood
Opening . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Release lever . . . . . . . . . . . . . . . . . . . . . . . 191
H orn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
How are ch ild restra int system anchors relat-
ed to chi ld safety . . . . . . . . . . . . . . . . . . . . . 164
How many airbags does my vehicle have? . . 135
How safety belt pretensioners work 127
I
Ignition
switch ing on/off. . . . . . . . . . . . . . . . . . . . . . 72
Ignition key Emergency unlocking . . . . . . . . . . . . . . . . . . 34
Ignition lock . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Indicator light . . . . . . . . . . . . . . . . . . . . . . . 18
Malfunction . . . . . . . . . . . . . . . . . . . . . . . . . 22
I mba lance (wheels) . . . . . . . . . . . . . . . . . . . 213
Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Important things to do before driving . . . . 112
I mproperly worn safety belts. . . . . . . . . . . . 126
Indicator lights . . . . . . . . . . . . . . . . . . . . . . . . 13
Airbag system . . . . . . . . . . . . . . . . . . . . . . 139
Index
Dynamic steering . . . . . . . . . . . . . . . . . . . . 174
PASSENGER AIR BAG OF F . . . . . . . . . . . . . 139
also refer to Warning/indicator lights . . . . 13
Infant seats . . . . . . . . . . . . . . . . . . . . . . . . . 156
Inflation pressure (tires) . . . . . . . . . . . . . . . 215
Installing the upper tether strap on the an-
chorage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Instruments . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Adjusting the light ing . . . . . . . . . . . . . . . . . 47
Instruments and controls
General illustration . . . . . . . . . . . . . . . . . . . . 8
Interior lights
Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Intermittent (windshield wipers) . . . . . . . . . 50
J
Jump-starting . . . . . . . . . . . . . . . . . . . . . . . . 236
Jumper cables . . . . . . . . . . . . . . . . . . . . . . . . 23 7
K
Key.... .... .... .. ............. .... .. . 32
Battery replacement . . . . . . . . . . . . . . . . . . 33
Check light . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Emergency key . . . . . . . . . . . . . . . . . . . . 32, 74
Ign ition/engine on/off . . . . . . . . . . . . . . . . . 72
Key replacement . . . . . . . . . . . . . . . . . . . . . 32
Mechan ica l key . . . . . . . . . . . . . . . . . . . . 32 , 33
removing . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
unlock ing/loc king . . . . . . . . . . . . . . . . . 34, 36
Kick-down tiptron ic . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Knee air bags . . . . . . . . . . . . . . . . . . . . . . . . . 143
Description . . . . . . . . . . . . . . . . . . . . . . . . . 143
How they work . . . . . . . . . . . . . . . . . . . . . . 144
Important safety instructions . . . . . . . . . . 145
L
Lane Change Assistant
refer to side assist . . . . . . . . . . . . . . . . . . . . 98
LATCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Description . . . . . . . . . . . . . . . . . . . . . . . . . 165
Installing a c hild restraint . . . . . . . . . . . . . 165
Location . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Mounting and releasing the anchorage
hook . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
253