check engine light AUDI A5 COUPE 2014 Owner's Manual

220 Check ing and filling
- To r educe the danger of explosion, never
co nnect or disconn ect cha rger cables
wh ile the c harger is operating.
- Fast char ging a battery is dangerous and
shou ld on ly be attempted by a compe­
tent technician w ith the proper equip­
ment .
- Battery acid that may spill d uring charg­
ing should be washed
off with a solution
of warm water and baking soda to neu ­
tralize the acid.
(Q) Note
Never use a fast charger as a booster to
start the engine . This will seriously dam­
age sensitive electronic components, such
as control units, relays, rad io, etc., as we ll
as the battery charger.
Battery replacement
The new battery must have the same specif/·
cations and dimensions as the original equip­
ment battery.
In tell igent energy management in your veh i­
cle is respons ible for d istributing the e lectr i­
cal energy throughout you r vehicle
~ page 186. The intell igen t energy m anage­
men t system w ill keep the engine ba tte ry
charged better then vehicles w ithout this sys­
tem . To make sure the additional e lectrica l en­
ergy is available once again after you have
changed the battery, we recommend that you install batteries o f the same type and ma nu­
facture only (the same as those installed at
the time your vehicle was delivered). Specifi­
cations are listed on the battery hous ing. You r
author ized Audi dealer must code the battery
in the ene rgy managemen t system to enable
you to use the ene rgy management functions
correctly after replac ing the battery.
I f it is not poss ible to use a battery of this
type, the new bat tery m ust h ave the s ame ca­
pac ity, voltage ( 12-volts), amperage, con ­
struction and plug sea ling. When installing the battery, make su
re the ig ­
nition and a ll electrical consumers are turned
off.
(D Note
Make sure the ventilat ion hose on the side
of the battery is connected, otherwise
fumes or battery acid can leak out .
@ For the sake of the environment
Because o f the p rob lem of p roper disposal
of a battery, we recommend your author ­
i zed Audi dealer change the battery fo r
you. Batteries contain sulfur ic acid and
l ead and must always be disposed of prop­
erly in comp liance with all environmental
regula tions. Dispos ing of veh icle batter ies
i mprope rly is very dange rous to the envi­
r o nment .
Windshield/headlight*
washer container
Fig. 167 En gin e compa rt m en t: Cove r on the w ind·
s h iel d a nd h eadligh t• was he r fl uid conta in er
.., N
-~ (X) a,
The washer fluid conta iner is marked w ith the
symbol
O on its cap~ fig. 167, ~ page 208,
fig .161.
.. Before yo u check any thing in the engine
compa rtment,
always read and heed all
WARNINGS q A in Working in the engine
compartment on page 206 .
.. Lift the fi ller cap tongue to add washer flu­
id. You can f ill the container to the top.
.. Press the cap back onto the filler neck after
fi lling the conta iner .
You can find the reservo ir
capacity in the table
in
q page 262. .,.

Emergency situations
General
This chapter is intended for trained emer­
gency crews and working personnel who have the necessary tools and equipment to
perform these operations.
Starting by pushing or
towing
(D Note
Vehicles with an automatic transmission
cannot be started by pushing or towing.
Starting with jumper
cables
If necessary, the engine can be started by
connecting it to the battery of another vehi­
cle.
If the engine should fail to start because of a
discharged or weak battery, the battery can be
connected to the battery of
another vehicle,
using a
pair of jumper cables to start the en­
gine.
Jumper cables
Use only jumper cables of sufficiently
largecross section to carry the starter current
safely. Refer to the manufacturer's specifica­
tions.
Use only jumper cables with
insulated termi­
nal clamps which are distinctly marked:
plus(+) cable in most cases colored red
minus(-) cable
in most cases colored black .
A WARNING
Batteries contain electricity, acid, and gas.
Any of these can cause very serious or fatal
injury. Follow the instructions below for
safe handling of your vehicle's battery.
- Always shield your eyes and avoid lean­
ing over the battery whenever possible.
Emergency situations 255
-A discharged battery can freeze at tem­
peratures just below 32 °F (0 °C). Before
connecting a jumper cable, you must
thaw the frozen battery completely, oth­
erwise it could explode.
- Do not allow battery acid to contact eyes
or skin . Flush any contacted area with
water immediately .
- Improper use of a booster battery to
start a vehicle may cause an explosion.
- Vehicle batteries generate explosive gas­
es. Keep sparks, flame and lighted ciga­
rettes 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
also have a 12-Volt rating. The capacity
(Ah) of the booster battery should not be
lower than that of the discharged bat­
tery. Use of batteries of different voltage
or substantially different "Ah" rating
may cause an explosion and personal in­
jury.
- Never charge a frozen battery. Gas trap­
ped in the ice may cause an explosion.
- Never charge or use a battery that has
been frozen. The battery case may have
be weakened.
- Use of batteries of different voltage or
substantially different capacity (Ah) rat­
ing may cause an explosion and injury.
The ca pa city (Ah) of the booster battery
should not be lower than that of the dis­
charged battery.
- Before you check anything in the engine
compartment, always read and heed all
WARNINGS¢
page 206.
(D Note
- Applying a higher voltage booster bat­
tery will cause expensive damage to sen­
sitive electronic components, such as
control units, relays, radio, etc.
- There must be no electrical contact be­ tween the vehicles as otherwise current
could already start to flow as soon as the
positive(+) terminals are connected. ..,. •
•

270 Index
Automatic climate control Ai r vents ... ... . ...... ... .. .. .... .. 69
Operation . . . . . . . . . . . . . . . . . . . . . . . . . 68
Setup . .. ............... .. .. .... .. 70
Autom atic S hift Lock (ASL) . . . . . . . . . . . . 8 4
Automatic transmission . . . . . . . . . . . . . . . 82
Automatic Sh ift Lock (ASL) . . . . . . . . . . . 84
D riving .. ... ............ .. .. .. .. .. 84
E mergency mode . . . . . . . . . . . . . . . . . . . 8 8
E mergency release . . . . . . . . . . . . . . . . . . 89
K ick -dow n . . . . . . . . . . . . . . . . . . . . . . . . . 87
M anual s hift program ... .. .. .... .. . . 86
Remova l lock (ignition key) ... .. .... . . 71
Selector lever . . . . . . . . . . . . . . . . . . . . . . 83
Autom atic wi pers .......... .... .... .. 49
Auto Safety Hotline ............ .. ... 127
Average speed . . . . . . . . . . . . . . . . . . . . . . . 2S
Avoid damaging the vehicle .. .... .... . 188
B
Battery ... .. ...... ............ 17,217
B attery locat io n in side the luggage com-
pa rtment ................. .. .... . 217
C ha rging . ............... .. .. .... . 219
I mpor tan t war nings when wo rking on
the battery . . . . . . . . . . . . . . . . . . . . . . . 217
Jump starting .. .. ..... ... .. .. .... . 255
Low . .. .. .. ............. .. .. .. ... 186
Replacing the battery ..... .. .. .. .. . 220
State of charge . . . . . . . . . . . . . . . . . . . . 186
W inter operation . . . . . . . . . . . . . . . . . . 217
Wo rking on the battery . . . . . . . . . . . . . 217
Before driving .. ........... .. .. .... . 119
B io-e thanol ( Fue l) .......... .. .. .. .. . 202
Blended gasoline ... ... .. .. .. .. .. .. . 201
Blower (automatic climate control) . . . . . . 69
B ooste r seats ............. .. .. .. .. . 169
Brake fl uid
C hanging the brake fl uid ..... .. .... . 216
Check ing the brake fluid level ..... .. . 216
Reservoir .. .......... ...... ... .. . 216
What is the cor rect brake fl uid leve l? .. 2 16
What should I do if the bra ke flui d warn-
i ng light comes on? ....... .. .. .. .. . 216
Brake system .... ... .... ... .. .. .. .. . 216
Anti-lock braking system ....... .. .... 19
B rake ass ist system ..... .. .. .. .. .. . 180 B
rake fluid .... .. ... .. ..... ... .. .. 216
B rake fluid specifications for refill and re-
placement . ... .. ... .. ..... ... .. .. 216
Brake light defective ........... .... . 21
B rake power ass ist unit ......... .... 183
Brakes ....... ... .. .............. . 183
Ceram ic brakes ... ... .. .. ... ..... .. 183
El ectromechanical pa rking brak e ..... . 76
Wa rning/ind icator lights ...... .. .. .. . 15
Worn b rake pads symbo l ........ .. .. . 20
B rak ing
E mergency brak ing funct ion ... .. .. .. . 78
braking guard ..... ... .. ..... .... . .. . 90
Messages . .. .. .. .. ........... .... . 98
Settings .. .... .. ............. .... . 97
Break-in per iod .... .. ... ..... ... .. .. 188
T ires ... .. .... .. .. ... ..... ... .. .. 188
Bul bs .. .. .. .. .. .. .. .. ...... ... .. .. 253
C
Californ ia Proposition 65 Warn ing .... . 207
Battery specific .. ..... ........... . 218
Capacities .. .... .. ............. .... 262
Carbon p arts
Cleaning . . . . . . . . . . . . . . . . . . . . 198, 199
Care ........ ... .. .. ... ........... . 196
Cargo area
refer to Luggage compartment. . . 63, 125
Ca talyt ic co nve rter . . . . . . . . . . . . . . . . . . 189
Center armrest .. .. ................ .. 56
Central locking .... ... .. ..... .... . .. . 32
Central lock ing switch .......... .. .. . 36
Convenience key . . . . . . . . . . . . . . . . . . . . 36
Remote contro l key .............. .. . 35
Ceramic brake rotors New brake pads . ... .... .... ... .. .. 183
Ce rtifi cation .. .. .. ... .......... .. .. 267
Chang ing a f lat t ire . ............. .... 244
Chang ing a wheel . ... .... .... ... .. .. 244
Chang ing engine oil ..... .. ... ..... .. 212
Checking Engine coolant level . ........... .. .. 213
Checking t ire press ure . ... .... ... .. .. 228

Engine compartment
Safety instructions ................ . 206
Working the engine compartment 206
Engine coolant
Indicator light . . . . . . . . . . . . . . . . . . . . . 17
Engine coolant system .......... ... .. 213
Adding coolant .............. ... ... 214
Checking coolant level ..... .. .. .. .. . 213
Checking the engine coolant level . . . . . 213
Radiator fan ............. .. .. .. .. . 215
Engine coolant temperature Temperature gauge .......... .... ... 10
Engine hood Closing .. .. .. ........... .. .. .. ... 206
How to release the hood ... .. .. .. .. . 206
Engine oil ... ................ ... ... 208
Adding .... ................ ... ... 211
Additives . .. .. ........... .. .. .. ... 211
Changing .. ............. .... .. ... 212
Check oil level ........... .... .. ... 211
Consumption ............... ... ... 211
Indicator light . . . . . . . . . . . . . . . . . 17, 21
Oil consumption . ...... ... .. .. .. .. . 210
Oil grades ..................... ... 208
Pressure malfunction ...... .. .. .. .. .. 17
Sensor defective . . . . . . . . . . . . . . . . . . . . 21
Specification and viscosity ... ... .. .. . 208
Engine speed limitation .......... .... . 21
Environment Break-in period ........... .. .. .. ... 188
Catalytic converter ............ ... .. 189
Disposing of your vehicle battery ..... 220
Driving at high speeds .......... .... 190
Driving to minim ize pollution and noise 190
Fu el . .. .. .. .. .. ........... .. .. ... 204
Fu el economy ..................... 190
Leaks under your vehicle ............ 206
Letting the vehicle stand and warm up. 191
Proper disposal of drained brake fluid . 216
Proper disposal of drained engine cool-
ant . .... .. .. ............. .. .. ... 214
Proper disposal of drained engine
oil ...... ... ............. ... 211,212
Recycling used engine oil . .. .. .. .. .. . 211
Roof rack . . . . . . . . . . . . . . . . . . . . . . . . . 62
Unleaded fuel . ........... .. .. .. ... 201
What should I do with an old battery? . 220
Index 273
EPC
refer to Electronic power control . . . . . . 20
Ethyl alcohol (Fuel) . ................. 202
Event Data Recorder (EDR) ........ .... 180
Exhaust tail pipes Cleaning ... ..... .. ............... 197
Expansion tank .. .... ... ....... ..... 213
Exterior lighting . .. ................. . 43
Exterior m irrors
Adjusting ..... .... ................ 46
Dimming ... ..... .. ................ 47
Heating ........................... 46
F
Fan
Radiator
Fastening 215
Booster seats .. ...... ......... .... 169
Convertible child safety seats .... .... 168
Infant seats
Flat tire 167
Changi ng ... .. .. .. .. ........... .. 244
flexible fuel ... .. .... ............... 202
Floor mats ... ..... .. ............... 124
Fog lights/rear fog lig ht(s) . . . . . . . . . . . . . 43
Folding the rear seats ... ............. . 63
Foot pedals . .. .. .. .. ............... 124
For the sake of the environment Gasoline fumes and the environment .. 204
Letting the engine warm up . . . . . . 71, 74
Refueling . .. .. .. ................. 204
Saving fuel by early upsh ifting ... .. .. . 11
Front airbags Description . . . . . . . . . . . . . . . . . . . . . . . 141
How they work ... .. . .. .... ........ 146
Frontal collisions and the laws of physics 130
Front passenger's door emergency locking 37
Front seats Adjusting ....... .. ..... .......... 121
Child restraints in the front seat ...... 138
Fuel Additives .... .. ...... ............. 201
Blended gasoline ... . .. .... ........ 201
Consumption .. ... ............... .. 25
Filler neck . .. .. .... .......... ..... 203
Fuel gauge . . . . . . . . . . . . . . . . . . . . . . . . 12
•
•

274 Index
Gasoline ........ ......... ... .... . 201
Gasoline additives ................. 203
Low fuel level symbo l . . . . . . . . . . . . . . . 21
Octane rating ............ .. .. ..... 201
Recommendation ......... .... .... . 201
Refuelling .. ................ ... ... 204
Reserve .. .. ... .... ...... .. .. .. .. .. 12
Tank capacity ............. ... .. .. . 262
Tank system ........... .. .... .. .. .. 21
Unlock ing the fuel fi ller flap by hand . . 205
Fuel economy messages (efficiency pro-
gram) ... .. .. ... .... ...... .. .. .. .. .. 29
Fue l filler flap
Unlocking the fuel filler flap by hand .. 205
Fu ses
Assignment . . . . . . . . . . . . . . . . . 250, 252
Replacing . ................. ..... . 250
G
Garage door opener (HomeL ink) .. .... . 115
Garment hooks . . . . . . . . . . . . . . . . . . . . . . 60
Gas discharge lamps ......... ... .... . 253
Gauges Engine coolant temperature .. .. ...... 10
F uel gauge . . . . . . . . . . . . . . . . . . . . . . . . 12
Tachometer . . . . . . . . . . . . . . . . . . . . . . . 11
Gear recommendation .......... .. .... 28
Gearshift indicator ......... .... .... .. 27
Gearshift lever 6-speed manual transmission . . . . . . . . . 82
Ge neral illustration
I nstruments and controls . . . . . . . . . . . . . 8
Generator Warning/indicator lights ....... .. .. .. 17
Glossary of tire and loading termino logy 223
Glove compartment . . . . . . . . . . . . . . . . . . 60
Valet park ing . ........... .. .. .. .. .. 42
GPS controlled clock ........ .... .... .. 12
Gross Vehicle Weight Rating (GVWR) . .. 261
H
H eadlights
Cleaning . .... ........... .. .. .. .. . 197
C leaning system .................... 49
Defective . . . . . . . . . . . . . . . . . . . . . . . . . 21
Headlight range control . . . . . . . . . . . . . 22 Left
hand drive, right hand drive .. .. .. . 45
Travel mode . . . . . . . . . . . . . . . . . . . . . . . 45
Headlight washer reservoir ....... .... 220
Head restraints .. .. ................. 122
Adjusting . .. .. .. .. .. ...... 56, 57, 122
Removing/installing ... ......... ... . 57
Heated exterior mirrors .. ............. ..... 46
rear window . . . . . . . . . . . . . . . . . . . . . . . 69
seats ..... .... .. .. ............... . 69
windshield washer spray nozzles ..... . 49
Heating ... ..... .. .. .............. .. 67
Heavy clothing and safety be lts .. .. .. .. 132
High beam .. ....................... . 44
High voltage warning label ........ ... 261
Hill descent control .......... ...... .. 86
Homelink (remote control) ......... .. 115
Hood Opening . ..... .. ................ . 206
Re lease lever .... ............. .... 206
Horn ......... ... .. .............. ... 8
How are child restraint system anchors re-
lated to child safety ................. 17S
How many airbags does my vehicle have? 144
How often should I check my tire pres-
sures? . .. .. .. .. .. .. .. ... ..... ... .. 229
How safety belt pretensioners work .... 135
Hyd rop laning ... .. ................ . 232
I
Ign it ion
switching on/off ............... .... . 71
Ignition key Emergency unlock ing ... ......... ... . 35
lg n ition lock . . . . . . . . . . . . . . . . . . . . . . . . 71
Indicator light ................ ..... 18
Malfunction . .. .. ............. .. .. . 22
Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . 12
Important things to do before driving .. 119
Improperly worn safety belts .... .. .. .. 135
Ind icator lights .. .. ............. .. ... 13
Airbag system . . . . . . . . . . . . . . . 147, 148
Dynamic steering ................. . 185
PASSENGER AIR BAG OF F ........ ... 148
also refer to Warning/indicator lights . . 13
Infant seats .. .. .. ............. .. .. 167

Side marker lights ...... ... .. .. .. .. .. 43
Ski sack . ...... ................ .... . 65
Snow chains . ............. .... .. .. . 238
Sound system display . . . . . . . . . . . . . . . . . 24
Sources of informat ion about ch ild re -
straints and their use . . . . . . . . . . . . . . . . 179
Spare tire . ... .... ...... ... .. .. .. .. . 243
Speedometer . . . . . . . . . . . . . . . . . . . . . . . 12
Speed rating letter code ...... . .. .. .. . 234
Speed warn ing system ... ... .. .. .. .. .. 78
Sport different ial . .......... ... ... .. 104
I ndicator lamp . . . . . . . . . . . . . . . . . . . . . 2 2
START ENGINE STOP b utton (convenience
key) ....... ... ................ .... . 75
START ENGINE STOP b utton (Convenience
k ey) . ..... .. .. .. ... ..... ... .. .. .... 74
S tart ing from rest . . . . . . . . . . . . . . . . . . . . 77
Star tin g off with a trai ler .... .. .. .. .. .. 78
Starting the engine . . . . . . . . . . . . . . 71, 74
Steer ing
L o cki ng the steer ing . . . . . . . . . . . . . . . . 7 1
also refer to Ele ct ro-me chanic al power
assist ..... .. .. ... ..... ... .. .. ... 185
Steer ing whee l
Ad justing steering co lumn ..... . ... .. 7 1
I ndicator ligh t . . . . . . . . . . . . . . . . 18, 185
Steps for determining co rrect load lim it . 231
S topping the engine . . . . . . . . . . . . . . 73, 75
Sto rage ... ... ............. ...... ... 59
Storage compartments . . . . . . . . . . . 60, 66
S t ron ic ... .. ................. .. .... 82
Selecto r lever . . . . . . . . . . . . . . . . . . . . . . 83
S tron ic transm iss ion
E mergency release . . . . . . . . . . . . . . . . . . 89
L aunch Cont ro l Program . . . . . . . . . . . . . 87
Sunroof . ... . .... ............. .. .. .. 41
also refer to Panoramic tilt ing sunroof . 41
Sun shades Emergency closing (roof) ... .. .. .. .. .. 42
Rear window ............. .... .. .... 48
Sun visors . .. ............. .... .. .. .. 48
Symbo ls
refer to Wa rning/ind icator lig hts .. .. .. 13
Inde x 279
T
Ta chometer . . . . . . . . . . . . . . . . . . . . . . . . . 11
T ail lights
Cleaning .. .. .. .... ... .. ..... ..... 197
Technical modifications .......... .. .. 267
T e ther anchors . . . . . . . . . . . . . . . . . . . . . 177
T ether strap . . . . . . . . . . . . . . . . . . . . . . . 177
T extiles
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . 199
T he first 1,000 miles (1,SOO km) and after-
wards . ... .. .. .... .. . .. .. ..... ... .. 188
Tie-downs . . . . . . . . . . . . . . . . . . . . . 64, 126
tiptron ic ... .. .... .. . .. ... .... ... .. . 82
Automat ic Shift Lock (ASL) ...... .. .. . 84
Driving ..... .. .. ................. . 84
Emergency mode . . . . . . . . . . . . . . . . . . . 88
K ick-down . . . . . . . . . . . . . . . . . . . . . . . . . 87
Manua l shift program ............. .. 86
Se lector lever . . . . . . . . . . . . . . . . . . . . . . 83
Tire pressure .. .. .. .. ............... 228
T ire pressure mon itoring system
Loss of air press ure .. .. ..... ... .. .. 241
Malfunction ... .. .. .. ... ..... ... .. 24 1
Resetting tire pressures ............. 242
T ires ....... .. .. .. .. .. ........... .. 222
L ow aspect ratio tires . .. ..... ... .. .. 2 39
Se rvice life . ........ .. .. ..... ... .. 232
Speed rating letter code ..... ... .. .. 234
Tire manufacturing date ........ .... 234
Tire pressure monitoring system ... .. 240
Tire specifications .. ... ....... ..... 234
T read depth ...... ................ 232
Uniform tire quality gradi ng . ... ... .. 236
Winter tires . .. ...... ........... .. 237
Tires and vehicle load limits ....... .. .. 230
T ires and wheels
Checking ti re pressure .. ..... ... .. .. 228
Co ld tire inflation pressure ... ... .. .. 226
Dimens ions .. .. ...... ............. 233
General notes .. .. ............... .. 222
G lossary of tire and loading term inolo-
gy ...... ... .. .... .......... ..... 223
New t ires and wheels .......... .... . 233
Rep lac ing . .. .. .. .... ............. 234
S now cha in s ... .. ............... .. 238
T ires and veh icle loa d limits ..... .. .. 230
•
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