2010 AUDI A5 CABRIOLET checking oil

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Changing the engine oil
The engine oil and oil filter must be changed according to the mileage
(kilometers) and time intervals specified in your vehicle's Warranty
&
Maintenance booklet. Do not exceed these intervals -harmful
deposits from old engine oil can reduce engine performance and can
lead to expensive engine repairs.
Changing the oil at the recommended intervals is so very important
because the lubricating properties of oil decrease gradually during
normal vehicle use. If you are not sure when you have your oil
changed, ask your authorized Audi Service Advisor .
Under some circumstances the engine oil should even be changed
more frequently. Change oil more often if you drive mostly short
distances, operate the vehicle in dusty areas or mostly under stop­
and-go traffic conditions, or when you use your vehicle where temper­
atures stay below freezing point for long periods.
Detergent additives in the oil will make fresh oil look dark after the
engine has been running for a short time. This is normal and is not a
reason to change the oil more often than recommended.
Damage or malfunctions due to lack of maintenance
It is essential that you change your oil at the recommended intervals
using only engine oil that complies with Audi oil standard
VW
502 00 . Your Limited New Vehicle Warranty does not cover
damage or malfunctions due to failure to follow recommended main­
tenance and use requirements as set forth in the Audi Owner's
Manual and Warranty
& Maintenance booklet. Your dealer will have
to deny warranty coverage unless you present to the dealer proof in
the form of Service or Repair Orders that all scheduled maintenance
was performed in a timely manner. •
Safety first
Engine oil consumption
The engine in your vehicle depends on an adequate
amount of oil to lubricate and cool all of its moving parts.
In order to provide effective lubrication and cooling of internal
engine components, all internal combustion engines consume a
certain amount of oil. Oil consumption varies from engine to engine
and may change significantly over the life of the engine. Typically,
engines with a specified break-in period (see~
page 250) consume
more oil during the break-in period than they consume after oil
consumption has stabilized.
Under normal conditions, the rate of oil consumption depends on the
quality and viscosity of the oil, the RPM (revolutions per minute) at
which the engine is operated, the ambient temperature and road
conditions. Further factors are the amount of oil dilution from water
condensation or fuel residue and the oxidation level of the oil. As any
engine is subject to wear as mileage builds up, the oil consumption
may increase over time until replacement of worn components may
become necessary.
With all these variables coming into play, no standard rate of oil
consumption can be established or specified. There is no alternative
to regular and frequent checking of the oil level, see
Note.
If the yellow engine oil level warning symbol in the instrument
cluster _ lights up, you should check the oil level as soon as possible
~ page 284. Top off the oil at your earliest convenience~ page 285.
& WARNING
Before you check anything in the engine compartment, always
read and heed all WARNINGS~
& in "Working in the engine
compartment" on page
280.
Vehicle care Technical data

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0 Note
Driv ing with an i nsufficient o il level is likely to cause severe damage
to the engine .
[I) Tips
• The oil pressure warning display 'e:r. is not an ind icator of the oil
level. Do not rely on it . Instead, check the oil level in your engine at
regular intervals, preferably each time you refuel, and always
before going on a long trip.
• If you have the impression your eng ine consumes excessive
amo unts of o il, we re commen d that yo u cons ult an aut ho riz ed Aud i
dealer to have the cause of your concern properly diagnosed . Keep in
m ind th at the accurate measure ment o f oil consumption re quires
great care and may take some time. An author ized Audi dealer has
ins truc tions about how to meas ure o il consumption acc ura tely .•
Checking the engine oil level
Fig . 22 1 MMI D isplay :
Oil level indi cat or
Read oil level
- Select : Funct ion button (C AR]> Oil level.
- Park you r veh icle so that it is horizont ally level. -
Shut t he engine off whe n it is at o perating temp eratu re.
- W hile at operat ing state te mperatu re, br ie fl y let the
eng in e r un at id le and then shut it o ff.
- W ait approx. two m inutes.
- Read the oi l leve l in t he MM I Di splay=> fig. 221. A dd
eng ine o il if the bar of the oi l leve l indicato r is nea r "m in"
=> page28 5
The oil leve l needs to be c hecke d at regular interva ls. The best times
t o do this a re whe neve r you refuel and prior to long tr ips.
Depend ing on the way the vehicle is drive n and the operating condi­
ti ons, oil consumpt io n can be up to a 1/ 2 quart pe r 6 00 m iles (0 .5
liter per 1000 km). Consumption may be higher w ithin the first 3000
mi les (50 00 km).
(I) Tips
The oil leve l ind icator in the MM I Display is only an in forma tion
display . If the o il level is too low, a m inimum oi l warning appea rs in
the inst rument cl uster . Ad d oil ~
page 285 . If the hood has been
opened, the c urrent oil leve l is shown in the ins trument cluste r th e
next time the ignition is sw itched on .•

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Brake fluid
Checking brake fluid level
The brak e flu id l evel c an be checke d with a quick gl ance.
F ig . 2 24 Engi ne
comp artme nt: Br ak e
fluid re ser voi r
Before you check anythi ng in the eng ine compart ment ,
always read and heed all WARNINGS~ & in "Working i n
the e ngine compar tment" on
page 280 .
- Read the bra ke flu id level from the bra ke fluid reservoir
~ page 29 0, fig . 224. The bra ke fluid level must be
between the "MI N" and " MAX" m ark ings.
T he bra ke fluid reservoir is located at the rear partition of the engine
compartmen t on the left side=> page 281 .
The flu id level may drop slightly after some time due to the auto­
m atic adjus tment o f th e br ake pad s. This is no t ca use for alarm.
If the b ra ke fl uid leve l falls considerably below the "MIN" mark, t he
brake warn ing/i nd icator light ( U.S. models:
BRAKE , Canadia n models:
«D> ) will come on=> page 17 and=> page 28 . Do not continue to
operate t he vehicle. The complete brake system should be thoro ughly
c hec ked by an au thor ized Aud i deale r or q ualified works hop a nd the
cause corrected.
If the b rake fluid level is too low, the brake wa
rning/ind icator light will illum inate. Contact a n author ized Aud i
de aler
immediately .
W Tips
The b rake fl uid reservo ir is located un derneath the cover .•
Changing brake fluid
Hav e th e b rake fluid chang ed by an experi enc ed techni ­
c ia n.
Br ake flui d ab sorbs mois ture from the air. If the wate r cont en t in the
brake flu id is too hig h, corros ion in the brake system may result after
a period of time. The boil ing po int of the brak e fl uid w ill also de cre as e
considera bly and d ecrease b raking performance .
T herefo re, the brake f lu id m ust be c hanged
every two years . Always
use new br ake fluid w hich confo rm s to Federal Motor Veh icle Sta n­
dard "F MVSS 116 DOT 4".
T he bra ke fl uid r eserv oir ca n be diffi cult t o rea ch, there fore, we
recommend that you have the brake f lu id changed by yo ur autho rized
Audi dealer. Your dealer has the correct tools , the rig ht bra ke fl uid
and the k now -how to do t his for you .
& WARNING
• Brake fluid is poisonous. It must be stored only in the closed
original container out of the reach of children!
• Brake failure can result from old
or inappropriate brake fluid.
Observe these precautions:
-Use only brake fluid that meets SAE specification
J 1703 and
conform s to Federal Motor Vehicle Standard 116 . Always che ck
with your authorized Audi dealer to make sure you are using
the correct brake fluid. The correct type of brake fluid is also indicated on the brake
fluid reservoir . ~

___________________________________________ A_ l::.. p _h _a_ b_ e_t _ic _a_ l_ in_ d _ e_x __ _
Auto Lock .. .. ... ..... ... ... ... .. .. .. 41
Auto Safety Hotline ... ... ... . .. ..... 185
Auto-Check Control .. ..... ... .... ... .. 26
Automatic belt retractor .......... ... 195
Automatic car wash See Washing ......... .... .. .... . 261
Automatic climate control . . . . . . . . . 88, 9S
Automatic driving light control ......... 62
Automatic power top ..... .. .. .. .... .. SO
Automatic Shift Lock (ASL) ... .. .. 150, 158
Automatic transmission 6-speed automatic transmission ... . 148
Automatic Shift Lock (ASL) .... 150, 158
Driving ...... ...... .. .. .. .. .. .. . 148
Dynamic shift program ... .... .. ... 151
Emergency release ............. .. . 154
Emergency release for selector lever
(mu ltitron ic®) ............... .. . 161
Fail-safe mode .............. 153, 161
Kick-down ...................... 151
Manual shift program ............. 152
multitronic ® ..................... 155
Selector lever ........... .. .. 149, 157
Shift buttons ....... .. .. .... 153, 160
Steering wheel with tiptronic ® . 153, 160
Automatic wipe/wash system .......... 69
Average speed .. ....... .... .. .. .. .. .. 22
Avoid damaging the vehicle .. .. .. .. .. . 251
Controls and equip­
ment Safety first
B
Battery
... .. ... ... ................. 291
Charging . .. .. .. .... .. .. ... ... .. . 293
Important warnings when work ing on the
battery ..... ........... ...... .. 292
Jump starting . ........... ........ 333
Low ... .. .. .. .... .... .. ......... 247
Replacing the battery .. .. .. .... ... 294
State of charge ..... .. ... ...... .. 247
Winter operation ..... ..... ....... 291
Working on the battery .... .... .... 292
Battery voltage .. ........... ...... .. . 34
Before driving .. ... .... .. .. .. .. ..... 177
Belt positioner .. .. .... .. ... ... ..... 194
Blended gasoline ................ ... 27 4
Body cavity sealing . ................. 267
Booster seats ... .. ...... .. ......... 230
Brake assist ..................... ... 245
Brake booster . ........ ... .......... 244
Brake fluid
Changing the brake fluid ........... 290
Checking the brake fluid level ..... .. 290
Reservoir .. .. .. .... .... ......... 290
What is the correct brake fluid level? . 290
What should I do if the brake fluid warning light comes on? . ... ... .......... 290
Brake system .. .. .. ..... .... ........ 290
Anti-lock brake system . .. .......... 16
Brake fluid ... .... ............... 290
Brake fluid specifications for refill and
replacement ................... 290
Brake light defective ....... .... ... . 34 Brake pads
.. .. .... ..... .... .... . 251
Electromechanical parking brake .... 110
General information .............. 243
How does moisture or road salt affect the
brakes? ... .... .............. .. 243
Malfunction .............. .... .. .. 28
Warning/indicator lights ....... .. .. 17
Worn brake pads symbol ........... 33
Braking guard
See Audi braking guard ............ 129
Break-in period ... .. .. .............. 250
Brake pads .. ...... ........... .. . 251
Tir es ... .. .. ................. .. . 250
Bulbs ................ .. .... .... .. . 331
C
California Proposition 65 Warning .. ... 281
Battery specific .................. 293
Capacities ......................... 342
Car care .. .... .............. ...... . 260
Interior ............ .. .. .. .. .. .. . 268
Plastic and vinyl .... ............. . 264
Weatherstrips ............ .. .. .. . 266
Care of exterior ... .... .. . .. .. .. .. .. . 260
Cargo area
See Loading the luggage compartment ..
183
Catalytic converter .. ..... ........... 251
Certification ......... .............. 346
Changing a flat tire .. ................ 320
Changing a wheel ...... ...... .... .. . 320
Changing engine oil ... .. .. ......... . 285
Vehicle operation Vehicle care Do-it-yourself service Technical data

-Alphabetical inde x lffi'f ___,__ ______________ _
Emergency release
Selector lever ............ ... .. ..
154
Emergency starting .. ..... .......... 333
Emergency towing ..... ............. 336
Eme rgency unlocking
Ignition key .. .. .. .. ...... ........
39
Energy management ................ 247
Battery power ................ ... 249
Driver notification ............. ... 249
Engine
Compartment . ...... .... .... .. ..
281
Coolant ............ .... .. .... .. 286
Hood . ............. .... ...... .. 279
Starting ..................... ... 106
Starting with jumper cables ..... ... 333
Stopping . ...................... 107
Engine compartment
Safety instructions ............ ...
280
Working the engine compartment .. 280
Engine coolant system
Malfunction .......... ...... .. ....
29
Radiator fan ........ .... .. .. .. .. 289
Engine coolant temperature
Temperature gauge ............ .. .. 8
Engine cooling system ............ ...
286
Adding coolant ... ............... 288
Checking coo lant level . .. ....... .. 287
Checking the engine coolant level . .. 287
Engine data ...... .......... ...... .. 342
Engine hood
Closing .................. .... ...
280
How to release the hood .. ....... .. 279
Engine oil . ..... ....... ... .. .. .. ... 282
Add ing ....... ... .. .. .. .. ....... 285
Additives .. ..... ... .. .. ......... 285
Changing .. .... .. .... .. .. .. .. .. . 285
Check o il level ...... .... .. .. .. .. . 284
Consumption . .. .. .. .. .... .. ..... 284
Oil consumption .......... .. .. .. . 283
Oil grades .... ................ .. 282
Specification and viscosity ... ... .. . 282
Engine oil level ................... ... 35
Engine oil pressure
Malfunction ... ................. ..
30
Engine oil sensor defective ............ 35
Engine speed limitation ............... 35
Environment
Break-in period ............ ..... .
250
Catalytic converter ........ .. .. .. . 251
Disposing of your vehicle battery . .. .
294
Driving at high speeds ..... ...... . 253
Driving to minimize pollution and noise ..
252
Fuel ........................... 276
Fuel economy ................... 252
Leaks under your vehicle .......... . 280
Letting the vehicle stand and warm up ...
253
Proper disposal of d rained brake fluid 290
Proper disposal of drained engine coo lant
288
Proper disposal of d rained engine oil 285
Recycl ing used engine o il .. . .. .. .. . 285
Unleaded fuel ............ .. .... . 274
What should I do with an old battery?
294
Environmental note
Rear window defogger ........ .
92, 100
EPC
See Electronic power control . . . . . . . . 13
ESP
See Electronic stabilization program (ESP)
240
Event Data Recorder (EDR) 240
Exhaust ta il pipes
Cleaning ........... ...... .... ..
267
Expansion tank .. .. .. .. ............. 287
F
Fan .................. .. .... .... 91,98
Radiator . ........... ...... .... .. 289
Fastening
Booster seats ............ .... . ..
230
Convertible child safety seats ...... 228
Infant seats .. .. ................ . 227
Flat tire
Changing .......................
320
Floor mats ..... ...... .. . .. .. .. .. .. 183
Fog lights .................. ..... ... 63
Folding the rear seat backrests .. ...... . 84
Foot pedals . ........... ...... .... .. 182
For the sake of the environment
Gasoline fumes and the environment
276
Refueling ................ ... .. .. 276
Saving fuel by early upshifting ........ 9
Front airbags Description .. ...... .............
204
How they work ...... .. .... .. .. .. 209