2017 AUDI A5 CABRIOLET check engine

Consumer inf orm ation
@ For the sake of the env ironment
- Changing the engine settings wi ll adversely
affect emission levels. Th is is detrimental to
the environment and increases fuel con­
sumption.
- A lways observe environmental regu lations
when disposing of old engine o il, used brake
fl ui d, d irty engine coolant, spent batteries
or worn out tires.
- Undeployed airbag modules and pretension­
ers mig ht be classified as Perchlorate Mate­
rial -special handl ing may apply, see
www.dtsc .ca.gov/hazardouswaste/perchlo­
r ate. When the vehicle or parts of the re­
straint system including airbag modu les
safety be lts wi th pretensioners are scrap­
ped, all applicab le laws and regulations
must be observed. Your authorized Audi
dealer is familiar with these requirements
and we recommend that you have your deal­ er perform this service for you.
Accessories and technical changes
Additional accessories and parts replacement
Always consult an authorized Audi dealer before
purchasing accessories.
Your vehicle incorporates the latest safety design
features ensuring a high standard of active and passive safety.
This safety could be comp romised by non-ap­
proved changes to the vehicle . For this reason, if
parts have to be replaced, please observe the fo l­
lowing points when insta lling addit ional accesso­
ries:
Approved Audi accessories and genuine Audi parts are available from author ized Audi dealer.
These dealers also have the necessary facilities,
too ls and trained specialists to install the parts
and accessories properly.
248
A WARNING
-
Using the wrong spare parts or using non-ap-
proved accessories can cause damage to the
vehicle and serious personal injury.
- Use only accessories expressly approved by
Aud i and genuine Audi spare parts
- These parts and accessor ies have been spe­
cially designed to be used on your vehicle.
- Never install accessor ies such as telephone
cradles or beverage holders on airbag covers
or w ith in the airbag deployment zones. Do­
ing so will increase the risk of injury if a ir­
bags are triggered in an accident!
- Before you check anything in the eng ine
compartment, always read and heed all
WARN INGS
Qpage 193.
(D Note
-If items other than genu ine Audi spare
parts, add-on equipment and accessory
items are used or if repair wor k is not per­
formed a ccording to specified methods, this
c an resul t in severe damage to you r vehi­
cle's eng ine and body (such as corrosion)
and adve rsely af fect your vehicle's war ranty.
- I f emergency repai rs must be performed
elsewhere, have the vehicle exam ined by an
authorized A udi dealer as soon as possib le .
- T he manuf acture r ca nnot be held liable for
damage which occurs d ue to failure to com ­
ply with these stipulations.
Technical Modifications '
Our guidelines must be complied with when tech ­
nical modifications are made .
Always consult an a uthorized Audi de aler bef ore
sta rt ing work on any modifica tions.
This will help ensure that vehicle fu nction, per­
fo rmance and safety are not impaired
Q ,& .
Attempting to work on electronic components
and the software used with them can cause mal­
funct io ns. Because of the way elect ronic compo­
nen ts a re interconnected with each othe r, such
malfunc tions c an also have an adverse affect on
othe r systems that are not d irectl y involved. This ..,.

a:,
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0
LL 00
Automatic transmission . . . . . . . . . . . . . . . . . 81
Automatic Shift Lock (ASL) . . . . . . . . . . . . . 82
Driving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Emergency mode . . . . . . . . . . . . . . . . . . . . . 86
Emergency release . . . . . . . . . . . . . . . . . . . . 87
Kick -down . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Manua l shift program . . . . . . . . . . . . . . . . . 85
Removal lock (ignition key) . . . . . . . . . . . . . 71
Selector lever . . . . . . . . . . . . . . . . . . . . . . . . 81
Automatic wipers . . . . . . . . . . . . . . . . . . . . . . 53
Auto Safety Hotline . . . . . . . . . . . . . . . . . . . 118
Average speed . . . . . . . . . . . . . . . . . . . . . . . . 22
Avoid damaging the vehicle . . . . . . . . . . . . . 175
B
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Battery location inside the luggage compart-
ment ..............................
203
Charge level . . . . . . . . . . . . . . . . . . . . . . . . 173
Charging . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
Energy management . . . . . . . . . . . . . . . . . 173
Important warnings when working on the
battery . . . . . . . . . . . . . . . . . . . . . . . . . . . .
203
Jump starting . . . . . . . . . . . . . . . . . . . . . . . 238
Replac ing the battery . . . . . . . . . . . . . . . . 206
Work ing on the battery . . . . . . . . . . . . . . . 203
Before driving . . . . . . . . . . . . . . . . . . . . . . . . 111
Belt positioner . . . . . . . . . . . . . . . . . . . . . . . 125
Belt tensioners . . . . . . . . . . . . . . . . . . . . . . . 128
Bio -ethanol (Fuel) . . . . . . . . . . . . . . . . . . . . . 189
Blended gasoline . . . . . . . . . . . . . . . . . . . . . 188
Blower (automatic climate control) . . . . . . . . 68
Booster seats . . . . . . . . . . . . . . . . . . . . . . . . 158
Brake fluid
Changing the brake fluid . . . . . . . . . . . . . .
202
Checking the brake fluid l evel . . . . . . . . . . 202
Brake system
Anti-lock brak ing system . . . . . . . . . . . . . . .
17
Brake fluid specifications for refill and re­
placement . . . . . . . . . . . . . . . . . . . . . . . . .
202
Brake light defective . . . . . . . . . . . . . . . . . . 19
Brake power assist unit . . . . . . . . . . . . . . . 170
Brakes. .. .. .. ............... .. ..... 170
Ceramic brakes . . . . . . . . . . . . . . . . . . . . . . 170
Electromechan ical parking brake . . . . . . . . 76
Warning/indicator lights . . . . . . . . . . . . . . . 13
Worn brake pads symbol . . . . . . . . . . . . . . . 18
Index
Braking
Brake assist . . . . . . . . . . . . . . . . . . . . . . . .
167
Emergency braking function . . . . . . . . . . . . 77
braking guard . . . . . . . . . . . . . . . . . . . . . . . . . 88
Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Break-in period
Brake pads .. .. .. .. ............. .. . .
Tires ..... .... .. .. ........ · · · · · · · · ·
Breaking in ... .. .. .. ............... . .
New tires
Bulbs
C
170
175
175
214
237
California Proposition 65 Warning . . . . . . . 194
Battery specific . . . . . . . . . . . . . . . . . . . . . 204
Capacities . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
Cargo area
refer to Luggage compartment ...... 63, 116
Catalytic converter . . . . . . . . . . . . . . . . . . . . 176
Center armrest . . . . . . . . . . . . . . . . . . . . . . . . 60
C en tral locking . . . . . . . . . . . . . . . . . . . . . . . .
27
Central locking switch . . . . . . . . . . . . . . . . . 31
Convenience key . . . . . . . . . . . . . . . . . . . . . . 30
Remote control key . . . . . . . . . . . . . . . . . . . 30
Ceramic brake rotors
New brake pads . . . . . . . . . . . . . . . . . . . . .
170
Certification . . . . . . . . . . . . . . . . . . . . . . . . . 249
Changing engine oil . . . . . . . . . . . . . . . . . . . 198
Checking
Engin e coolant level. . . . . . . . . . . . . . . . . .
199
Child restraints
Danger of using child restraints in the front
seat.... .. .. .. .. .. ............. ....
131
Where can I get add itiona l information
about child restra ints and their use? . . . .
166
Child restraint system anchors . . . . . . . . . . 163
Child safety . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Impo rtant safety instructions for using child
safety seats . . . . . . . . . . . . . . . . . . . . . . . .
153
Installing a c hild restraint using the LATCH
system . . . . . . . . . . . . . . . . . . . . . . . . . . . .
165
251

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LL 00
Determin ing correct load limit . . . . . . . . . . 22 1
Dig ita l clock . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Dig ita l compass . . . . . . . . . . . . . . . . . . . . . . . 55
Di mensions . . . . . . . . . . . . . . . . . . . . . . . . . . 244
Dimming the rearview mirror . . . . . . . . . . . . 52
Doors emergency lock ing . . . . . . . . . . . . . . . . . . . . 32
D river information system . . . . . . . . . . . . . . . 2 1
Open doo r o r fron t lid wa rn ing . . . . . . . . . . 2 1
Outside temperature d isp lay. ... .. .... .. 21
Sound system display . . . . . . . . . . . . . . . . . 21
Dri ver seat
refer to Seat ing pos ition . . . . . . . . . . . . . . 112
Driving economically . . . . . . . . . . . . . . . . . . 177
Driving safe ly . . . . . . . . . . . . . . . . . . . . . . . . 111
D riving through wate r . . . . . . . . . . . . . . . . . 175
Driving t ime . . . . . . . . . . . . . . . . . . . . . . . . . . 22
D us t filte r
refer to Pollutant filte r (au toma tic A/C sys -
tem) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Dynamic stee ring ............. 101, 167 , 17 1
E
E85 (Fue l) . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Easy entry function . . . . . . . . . . . . . . . . . . . . . 59
E ff iciency p rogr am . . . . . . . . . . . . . . . . . . . . . 24
Fu el economy messages . . . . . . . . . . . . . . . 24
M emory levels . . . . . . . . . . . . . . . . . . . . . . . 22
Other equipment . . . . . . . . . . . . . . . . . . . . . 24
E lect ro-mechan ica l powe r ass ist . . . . . . . . . 17 1
Electromechanica l parking brake
Emergency braking . . . . . . . . . . . . . . . . . . . 77
Indicator light . . . . . . . . . . . . . . . . . . . . . . . 76
Parking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Re leas ing and closing . . . . . . . . . . . . . . . . . 76
St arting assis t . . . . . . . . . . . . . . . . . . . . . . . 77
S tarting from res t . . . . . . . . . . . . . . . . . . . . 77
Starting off w ith a t railer . . . . . . . . . . . . . . . 77
Warning/indicator lights . . . . . . . . . . . . . . . 14
E lect ronic d ifferen tial lock
Wa rn in g/i nd ic ator lights . . . . . . . . . . . . . . . 16
Electronic Differential Lock . . . . . . . . . . . . . 167
E lect ronic diffe ren tial lock ( EDL)
Wa rning/indicator lights.. ... .. .. .... .. 1 7
E lect ronic immob ilizer . . . . . . . . . . . . . . . 10, 33
Index
El ectron ic powe r contro l
(EPC) warning/indicator light . . . . . . . . . . . 18
El ectron ic spee d lim ite r . . . . . . . . . . . . . . . . . 26
E lectron ic stabilization control
Spo rt mode . . . . . . . . . . . . . . . . . . . . . . . . 168
E lectron ic Stab ilization Contro l . . . . . . . . . . 167
El ectron ic Stab ilization Contro l (E SC)
War ning/ indica to r li ghts . . . . . . . . . . . . . . . 16
Emergency actuation
Doors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Ign it io n key . . . . . . . . . . . . . . . . . . . . . . . . . 30
Emergency braking . . . . . . . . . . . . . . . . . . . . . 77
E mergency f lasher . . . . . . . . . . . . . . . . . . . . . 50
War ning/ in d ica to r li ghts . . . . . . . . . . . . . . . 20
Emergency key . . . . . . . . . . . . . . . . . . . . . . . . 28
Start ing engine . . . . . . . . . . . . . . . . . . . . . . 72
Emergency operation
Emergency braking function (parking brake) .7.7
Luggage compartment lid . . . . . . . . . . . . . . 34
Power top . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Emergency starting . . . . . . . . . . . . . . . . . . . 238
En ergy manage men t . . . . . . . . . . . . . . . . . . 173
B attery power . . . . . . . . . . . . . . . . . . . . . . . . 14
D rive r notific ation . . . . . . . . . . . . . . . . . . . . 14
E ngine
Compartment .. .. .. ................. 195
Coo lant . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 99
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Start ing . . . . . . . . . . . . . . . . . . . . . . . . . 71, 73
Starting wi th ju mpe r cab les . . . . . . . . . . . 238
Stopping . ... .. . ... .... . ..... ... .. 7 3, 74
E ngine compartment . . . . . . . . . . . . . . . . . . 1 95
S afe ty in str uctions . . . . . . . . . . . . . . . . . . . 193
Working the engi ne compa rtment . . . . . . 193
Engine coolant Indicator light . . . . . . . . . . . . . . . . . . . . . . . 15
Engine coolant system . . . . . . . . . . . . . . . . . 199
Adding coolant . . . . . . . . . . . . . . . . . . . . . . 200
Checking coolant level . . . . . . . . . . . . . . . . 199
Checking the engine coo lant level . . . . . . . 199
Radiator fan . . . . . . . . . . . . . . . . . . . . . . . . 201
Engine coolant temperature
Temperature gauge . . . . . . . . . . . . . . . . . . . . 8
E ngine hoo d
Closing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
How to release the hood . . . . . . . . . . . . . . 193
253

Index
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Adding . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Addit ives . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Changing . . . . . . . . . . . . . . . . . . . . . . . . . . 198
Check oil level . . . . . . . . . . . . . . . . . . . . . . 197
Consumption . . . . . . . . . . . . . . . . . . . . . . . 197
Indicator light . . . . . . . . . . . . . . . . . . . . 15, 18
Oi l consumption . . . . . . . . . . . . . . . . . . . . . 196
Pressure malfunction . . . . . . . . . . . . . . . . . 15
Sensor defective . . . . . . . . . . . . . . . . . . . . . . 18
Specification and viscosity . . . . . . . . . . . . . 195
Engine speed limitation . . . . . . . . . . . . . . . . . 18
Environment Catalytic converter . . . . . . . . . . . . . . . . . . . 176
Disposing of your vehicle battery . . . . . . . 206
Driving at high speeds . . . . . . . . . . . . . . . . 177
Fuel ...... .... ........... ........ . . 190
Leaks under your vehicle . . . . . . . . . . . . . . 193
L ett ing the veh icle stand and warm up . . . 177
Proper disposal of drained brake fluid . . . 202
Proper disposal of drained engine coolant 200
Proper disposal of drained engine oil 197, 198
Recycling used engine oil . . . . . . . . . . . . . 197
Unleaded fuel . . . . . . . . . . . . . . . . . . . . . . . 188
What should I do with an old battery? . . . 206
EPC
refer to Electronic power control . . . . . . . . 18
Ethyl alcohol (Fuel) . . . . . . . . . . . . . . . . . . . . 189
E vent Data Recorder (EDR) . . . . . . . . . . . . . 169
Expansion tank . . . . . . . . . . . . . . . . . . . . . . . 199
Exterior lighting . . . . . . . . . . . . . . . . . . . . . . . 48
Exterior mirrors Adjusting . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Dimming . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
He ating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
F
Fan
Radiator 201
Fa sten ing
Booster seats . . . . . . . . . . . . . . . . . . . . . . . 158
Convertible child safety seats . . . . . . . . . . 156
Infant seats . . . . . . . . . . . . . . . . . . . . . . . . 155
f lexible fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Floor mats . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Fog lights/rear fog light(s) . . . . . . . . . . . . . . 48
Folding the rear seats . . . . . . . . . . . . . . . . . . . 64
254
Foot pedals .......................... 116
For the sake of the environment Environmentally-friendly driving . . . . . . . 177
Gasoline fumes and the env ironment . . . . 190
Letting the engine warm up . . . . . . . . . 71 , 73
Refueling . . . . . . . . . . . . . . . . . . . . . . . . . . 190
Saving fuel by early upshifting . . . . . . . . . . . 9
Front airbags Description . . . . . . . . . . . . . . . . . . . . . . . . . 134
How they work . . . . . . . . . . . . . . . . . . . . . . 138
Frontal collisions and the laws of physics . . 123
Front passenger's door emergency locking . . 32
Front seats Adjust ing . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Child restraints in the front seat........ 131
Upper cabin heating . . . . . . . . . . . . . . . . . . . 69
Fuel Additives. . . . . . . . . . . . . . . . . . . . . . . . . . . 188
B lended gasol ine . . . . . . . . . . . . . . . . . . . . 188
Consumption . . . . . . . . . . . . . . . . . . . . . . . . 22
Fuel gauge . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Gasoline additives . . . . . . . . . . . . . . . . . . . 190
Low fuel level symbol . . . . . . . . . . . . . . . . . 18
Octane rating . . . . . . . . . . . . . . . . . . . . . . . 188
Recommendation . . . . . . . . . . . . . . . . . . . . 188
Refuelling . . . . . . . . . . . . . . . . . . . . . . . . . . 190
Reserve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Saving fuel ......................... 177
T ank capacity . . . . . . . . . . . . . . . . . . . . . . . 244
Tank system . . . . . . . . . . . . . . . . . . . . . . . . . 18
Unlocking the fuel filler flap by hand . . . . 192
Fuel economy messages (efficiency program) .24
F u el filler flap
Unlocking the fuel filler flap by hand . . . . 192
Fuses Assignment ... .. .. .. ....... 234, 235, 236
Replacing . . . . . . . . . . . . . . . . . . . . . . . . . . 234
G
Garage door opene r (Home Link) . . . . . . . . . . 36
Gas discharge lamps ................... 237
Gauges Engine coolant temperature . . . . . . . . . . . . . 8
Fuel gauge . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Tachometer . . . . . . . . . . . . . . . . . . . . . . . . . . 9
General illustration Instruments and controls . . . . . . . . . . . . . . . 6