2011 AUDI A5 COUPE octane

Fuel supply and filling your fuel tank
Fuel supply and filling your fuel tank
Gasoline
Fuel supply
Using the right fuel helps keep the environment clean and
prevents engine damage .
Fuel recommendation
The fuel recommended for your vehicle is unleaded premium grade
g asoline . See also :::>
page 339, "Da ta ". Aud i recommends using TO P
TIER Detergent Gasoline with a minimum octane ra ting of 91 AKI (95
R O N). For more information on TOP TIE R Detergen t Gasoline, please
go to the official website (www. toptiergas .com) .
Th e recommended gasoline octane ratin g for your engine can also be
found on a labe l located on the ins ide of t he fue l fille r flap. This rating
may be specified as AKI o r RON .
Your vehicle may also be ope rated us ing unleaded reg ular gasoline
with a minim um octane rating of 87 AKI/91 RON. However, us ing 87
AKI/91 RON octane fuel will slig htly reduce engine performance.
Use un leaded ga soline only. U nleaded gaso line is available
throughout the USA, Canada, and in most E uropean co untries. We
recommen d that you do not ta ke your veh icle to areas or co unt ries
where unleaded gasoline may not be available.
F or more in formation on re fueling yo ur vehicle, see:::>
page 270 .
Octane rating
Octane r ati ng indi cat es a gaso line's abi lity to resis t engi ne damag ing
"knock" caused by premature ignition and detonat ion. Therefore,
buying the correc t g rade o f gasol ine is very impo rtan t to help preve nt
possible engine damage and a loss of engine performance .
Gaso line most common ly used in the United States and Canada has
the following octa ne rat ings tha t ca n usually be fou nd on the filler
pump :
Safety first
• Premium Grade: 91 - 96 AKI
• Regular Grade: 87 - 90 AKI
E xplanation of t he abb reviations :
AKI= Anti Knock Index= (R +M)/ 2 = (RON+ MON)/2
RO N= Research Octane Number
M ON= M otor Octane Num ber.
0 Note
• Do not use a ny fue l with octane rat ings lower than 87 AKI o r 91
RO N otherwise expens ive engine damage will occ ur.
• Do
not use leaded gasoline. The use of lea ded gasoline w ill
severely damage your veh icle 's cata lytic converter and its abi lity to
cont rol exhaust emissions .•
Blended gasoline
Use of gasoline containing alcohol or MTBE (methyl
tertiary butyl ether)
Yo u may use unleaded gasoline blended w ith alcoho l or MTBE
( c ommon ly referred to as oxygenates) if the blended mix ture meets
the following criteria:
Blend of ga soline methanol (wood alcohol or methyl alcohol)
• Anti -k nock index m ust be 87 AKI or h igher .
• Bl end must con tain no mo re t han 3% methanol.
• Blend must contain more than 2% co-solvents.
Blend of ga soline and ethanol (grain alcohol or ethyl alcohol)
• Anti-knock index must be 87 AKI o r higher.
• Bl end must no t contain more th an 10% ethanol.
Vehicle care Technical data

_____________________________________________ A_ l..:, p_ h _ a_b_ e_ t_ ic_a_ l_ in_ d_e _ x __ _
F
Fan
Deluxe automatic climate control ... . 98
Deluxe automatic climate cont rol p lus ..
1 05
Radiato r ... ........ .... .. .. .. .. . 284
Fas tening
Booster seats .. .... .. .. ... .. .. .. . 223
Convert ible chi ld safety seats .... .. . 222
I nfant seats ...... .. . ... .. .. .... . 221
Fla t tire
Ch anging . .. ........... .. .... .. . 316
Floor ma ts ...... .. .... .. .. .. .. .... . 176
Fog lights ....... ... .. .. .. .. .... .. .. 59
Foot pedals .. .. .. .. ... .... .. ... . .. . 176
For the sake of the environment Gaso line fumes and the env ironment 271
Reducing eng ine no ise by early upshifting
11
Ref ueling ..... .. .. .. .. .. .. ... ... 271
Saving fue l by early upshifting .. ... .. 11
Fro nt airbags
Description ......... .. .. .. .. ..... 194
How they wo rk . ........... .... .. . 199
Fro nt ashtray ... .. .. .. .. ........ .... . 91
Front seats . ... .. .. .. ... ... .... .. .. . 73
Adjusting ... ... .... ... .. ... . ... . 173
Child restra ints in the front seat . .. . 192
Conven ience side view . .. ....... .... 80
Symmetrical seat posit ions ... ....... 80
F ronta l co llisions and the laws of physics 182
Controls and equip­
ment Safety first
Fuel
Add itives .. ... ..... ... ... .. ..... 269
Blended gasoline .... .. .. ......... 269
Consumpt ion .... .... ... ... ... .. . . 24
Filler neck .. .. .. .... .. .. ... .... .. 270
Fuel gauge . .... ...... .. .......... 1 2
Gaso line ................ .... .. .. 2 69
G asoline additives ... ... ... .... .. . 270
Octane rating ... .... .. .. ..... .... 2 69
Recommendation ... ...... ... .. .. 269
Ref uelli ng ..... .... .. .. .. ...... . 271
Reserve ................. .. .. .. .. . 12
Tank capacity . .... .. ........ ..... 339
Unlocking the fuel filler flap by hand . 273
F uel economy messages (efficiency program)
28
Fuel filler flap Unlocking the fuel filler flap by hand . 273
Fuel supply too low ... .. .. .. .... .... .. 39
Fuses Assignment ............ 324, 325, 326
Rep lacing . ... .. .... .. .. .. .. .. .. . 323
G
Garage door opener (Homelink ®) ... ... 166
Gas d ischarge lamps ........ ......... 327
Gauges Engine coo la nt tem 1pe ra ture ......... 10
F uel gauge . ...... ...... .......... 1 2
Ta chometer . ... .... ... . ... .... . .. 11
Gear recommendat io n ... ... ......... . 27
Gearshift indicator ... .... ............ 22 Gearsh
ift lever
6 -speed manual transmission ...... 150
General illustration Instruments and contro ls ..... . ... .. . 9
Glossary of tire and loading terminology 292
Glove compartment . .. .. .. .. .. .... .. . 93
Gross Veh icle Weight Rating (GVWR) . .. 33 7
H
Head lig hts
Fog lights ... .. .. .. .. .. .. ... ... ... 59
Rear fog lights ....... ..... .. .. .. .. 59
Head rest ra ints . ....... ...... .... .. . 17 4
Adjus ting ................ ...... . 17 4
F ront seats ........ ............... 80
Rear se ats . ... .. .. .. .. .. ..... .... 81
Remov ing ... .. .. .. ... .... ..... ... 81
Headlight Washe r system .... .. ....... ...... 65
Headlight washe r reservoi r .......... . 290
Headl igh ts
Adaptive light ...... .... .... .. .. .. 61
Headlight range con trol defective . ... 40
Heatable Front sea ts .. ....... .... .. .. .... . 109
Heated Rear window . . . . . . . . . . . . . . . 100, 106
Washer fluid nozzles ............... 65
Heated outside mirrors .. ... .. .. . ... .. 69
Heate r
Del uxe au toma tic clim ate cont rol .. .. 95
Vehicle operation Vehicle care Do-it-yourself service Technical data

Alphabetical index -________________ fWI
Loading the luggage compartment .. .. . 177
Locking Luggage compartment lid ...... ... .. 51
Power locking switch ............... SO
Remote control key ................ 47
Using the mechanical key ........... 49
Low beams .. .. ................. .. .. 58
Low-beam headlight Defective .......... ... ... ... . .. .. 3 9
Lower anchorage locator button ....... 230
Lower universal anchorage bars (Canada) ... 229
Lower unive rsal anchorages (Canada) .. . 229
Luggage Stowing .. ............. .. .... ... 177
L uggage compartment ...... .. .... .. .. 83
Cargo net . .. .. ............... ... . 84
Enlarging . . . . . . . . . . . . . . . . . . . . 84, 85
Escape handle ..... ............... 52
Lid ........ ............. .... .... . 51
Loading .. .. .. ... .... ... .. .. ..... 83
Opening and closing .. .. .. .. ....... 51
Sk i sack .......................... 87
T ie-down rings ... .. .. .. ........... 83
Tru nk pass-through .. .. .. .. .. ..... . 88
See also Loading the luggage
compartment .............. .... 177
See also Luggage compartment .... .. 83
M
Maintenance ..... .... ...... .... ... . 340
Malfunction Indicator Lamp (MIL) ... 17, 29
Controls and equip­
ment Safety first
Manual transmission
... .......... ... 150 0
Mast er key
Battery rep lac eme nt ............ .. . 43 Occupant seating positions
........... 172
Check light ... .. .................. 43 Octane rating .................... .. 269
Master key with remote control . .. ...... 42 Odometer .................. .. .. .. .. 13
Mechanical emergency closing function
Oil
Panoramic tilting sunroof ........... 56 See Engine oil ........... ... 277,279
Mechanica l key .. ................ .... 44 Oil consumption ............. ....... 279
Memory for driver's seat ............... 78 On-Board Diagnostic System (OBD)
Recalling settings ................ . 79 Data Link Connector (DLC) .......... 29
Storing sett ings ... .. .. .. ... ....... 79 Electronic speed limiter .......... .. 29
Mileage Ma
lfunction Indicator Lamp (MIL) .... 29
Average ............. ........ .... 24 Open door or rear lid warning ......... . 23
Instantaneous ............ .... ... . 24
Operate your vehicle economically and mini-
Mirrors mize pollution
.................. 248
Activating the digita l compass ....... 71 Optional equipment
Adjusting the anti-glare ..... .. .. .. . 68 Marked with an asterisk ............. 6
Automatic dimming for the outside
Other equipment (effic iency program) ... 28
mirrors ................ .. ... .... 70
Outside mirrors ....... ........ ....... 69
Automatically dimming inside mirror . 68
Ins ide rear view mirror ... .......... 68
Inte rior mirror .... ....... ...... .. . 68
Manual glare dimming . .. .. ........ 68 Outside
temperat ure display ........ ... 21
Owner's manual How the Owner's Manual is organized . . 6
Outside mirrors ... ............. ... 69
Monitor ing the Advanced A irbag System 201
p
N
Paint
Touch-up . .. .. .. .. ..... ........ . 260
Natural leather .................. ... 264
New tires and wheels .... ...... .. .. .. 303
NHTSA Paint No .
............ ........ ... ... 336
Panoramic sunroof Convenience opening/closing ........ 54
Contacting . .. .. ........ ......... 1 79
Number of seats .............. .... .. 181
Vehicle operation Vehicle care Do-it-yourself service Technical data