2008 AUDI A4 AVANT check oil

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-Read the engine coolant level in the open coolant expan­
sion
tank => fig. 211. With a cold engine, the coolant level
should be between the "min" and "max" markings. When
the engine is warm, the level may be slightly above the "max" marking.
The location of the coolant expansion tank can be seen in the
engine compartment
illustration=> page 275 .
To obtain an accurate reading, the engine must be sw itched off.
The expansion tank in your vehicle is equipped with an electric
coolant level sensor.
When the coolant level is too low, the warning light in the Auto ­
Check System
=> page 31 will blink until you add coolant and the
level has been restored to normal. Even though there is an electric
coolant level sensor, we still recommend you check the coolant level
from time to time.
Coolant loss
Coolant loss may indicate a leak in the cooling system . In the event
of coolant loss, the cooling system should be inspected immedi­
ately by your authorized Audi dealer . It is not enough merely to add
coolant.
In a
sealed system, losses can occur only if the boiling point of the
coolant is exceeded as a result of overheating.
& WARNING
The cooling system is under pressure and can get very hot. Reduce
the risk of scalding from hot coolant by following these steps.
• Turn off the engine and allow it to cool down.
• Protect your face, hands and arms from escaping fluid and
steam by covering the cap with a large, thick rag.
& WARNING (continued)
• Turn the cap slowly and very carefully in a counter-clockwise
direction while applying light, downward pressure on the top of
the cap.
• To avoid being burned, do not spill antifreeze or coolant on the
exhaust system or hot engine parts. Under certain conditions, the
ethylene glycol in engine coolant can catch fire.
0 Note
Do not add any type of radiator leak sealant to your vehicle's engine
coolant. Adding radiator repair fluid may adversely affect the func ­
tion and performance of your cooling system and could result in damage not covered by your New Vehicle Limited Warranty. •
Adding coolant
Be very careful when adding engine coolant.
Before you check anything in the engine compartment,
always read and heed all WARNINGS => & in "Working in
the engine compartment" on
page 273.
-Turn off the engine.
-Let the engine cool down.
-Place a thick rag over the coolant expansion tank
=> page 281 , fig. 211 and carefully twist the cap counter­
clockwise
=> & .
-Add coolant.
-Twist the cap on again tightly.
Replacement engine coolant must conform to exact spec ifications
=> page 280, "Coolant". If in an emergency coolant additive G12 + is .,,

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&, WARNING (continued)
crashes and serious personal injuries . Have worn or damaged tires
replaced immediately.
• Tires age even if they are not being used and can fail suddenly,
especially at high speeds. Tires that are more than 6 years old can
only be used in an emergency and then with special care and at
low speed.
Glossary of tire and loading terminology
Accessory weight
means the combined weight (in excess of those standard items
which may be replaced) of automatic transmission, power steering,
power brakes, power windows, power seats, radio, and heater, to
the extent that these items are available as factory-installed equip­
ment (whether installed or not).
Aspect ratio means the ratio of the height to the width of the tire in percent.
Numb ers of 55 or lower indicate a low sidewall for improved
steering response and better overall handling on dry pavement.
Bead means the part of the tire that is made of steel wires, wrapped or
reinforced by ply cords and that is shaped to fit the rim.
Bead separation
means a breakdown of the bond between components in the bead.
Cord
means the strands forming the plies in the tire.
&, WARNING (continued)
• Never mount used tires on your vehicle if you are not sure of
their "previous history." Old used tires may have been damaged
even though the damage cannot be seen that can lead to sudden
tire failure and loss of vehicle control.
• If you notice unusual vibration or if the vehicle pulls to one side
when driving, always stop as soon as it is safe to do so and check
the wheels and tires for damage.
•
Cold tire inflation pressure
means the tire pressure recommended by the vehicle manufacturer
for a tire of a designated size that has not been driven for more than
a couple of miles (kilometers) at low speeds in the three hour period
before the tire pressure is measured or adjusted .
Curb weight
means the weight of a motor vehicle with standard equipment
including the maximum capacity of fuel, oil, and coolant, air condi­
tioning and additional weight of optional equipment.
Extra load tire
means a tire designed to operate at higher loads and at higher infla ­
tion pressures then the corresponding standard tire. Extra load tires
my be identified as "XL", "xi", "EXTRA LOAD", or
"RF" on the side ­
wall.
Gross Axle Weight Rating ("GAWR")
means the load-carrying capacity of a single axle system, measured
at the tire-ground interfaces .
Gross Vehicle Weight Rating ("GVWR")
means the maximum total loaded weight of the vehicle.

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make, there w ill be six to eight of t hem evenly p laced around the
tir e. M arks o n the tire s idewall ( for example "TWI " or oth er sy mb ols)
indicate th e positions of the tread wear indicators. Worn tires must
b e re placed . Di fferen t fig ure s m ay apply i n other
c ountr ies=> & .
Tire pressure
Incorr ect tir e p ress ure c auses prematu re wear a nd can ca use
sudden tir e blow -out . For th is r eason, tir e pressur e must b e check ed
at leas t once a month
=> pa ge 299 .
Dri ving style
Drivi ng fa st aro und curv es, heavy acce le ra ti on and ha rd bra kin g
increase tire wear .
Rotating tires for more even wear
For all four tires on your vehic le to have the same service life, we
r ecom mend t hat the front a nd rea r tires ar e rotate d accord ing to the
tire manufacturer 's suggested tire rotation interva ls. Please
r e m emb er t he fo llo wi ng :
• Ti re rotation interva ls m ay d iffer from th e vehic le servic e inter ­
vals outl ined in y our M aintenance and Warran ty Boo kle t.
• T he longer one tire is used in one location on the vehicle, the
mor e it wea rs a t ce rtain points ; the re fo re, we rec omm end that yo u
fo llow t he ti re manufactu rer's su ggested tir e rotat ion int ervals .
• Vehi cle s with front -wh eel d rive e xper ience mo re trea d wea r on
the front wheels compared to al l-wheel drive (quattro®l .
• Ple as e ro tat e ti res as
sh ow n=> page 303, fig. 220.
• Extra care must be taken when rotating direction -specific tires
=> pag e 32 4.
Wheel balancing
T he wheels on n ew vehic les are bala nced. However, various situa ­
tions during eve ryday driving can cause them to become unba l­
ance d, res ulting i n vi brat ions you ca n us ual ly f eel thro ugh t he
steering whee l. U
nba lanc ed wh eels must be rebalanced to avoid excessive wear on
s tee ring, s uspen sio n an d tir es. A w heel m ust also be reba la nced
when a new tire is install ed.
Incorrect wheel alignment
Incorrect whee l alignment can cause excessive tire wear, impairing
t he sa fety o f the vehicl e. If ti res sh ow ex cessiv e w ear, h av e the
whee l al ignm ent check ed by an autho riz ed Aud i d eal er or qualifi ed
w ork shop.
All Wheel Drive
Ve hicl es wi th qu attr o® must alw ays h ave t ires of t he sa me siz e,
construction and tread type . For deta ils
see=> page 242 .
& WARNING
Sudden tire failure can lead to loss of control , a crash and serious
personal injury!
• Never drive a vehicle when the tread on any tire is worn down
to the wear indicators .
• Especially in wet and slick driving situations , a preferably large
profile depth of the tires is necessary , and an approximately
similar profile depth of the front and rear axle tires.
• The diminished driving safety , caused by too small of a tire
profile, is negatively perceivable especially in handling , in danger
of hydroplaning when driving through deep puddles and ponds,
when driving around curves , and in braking behavior.
• Worn tires are a safety hazard , they do not grip well on wet
roads and increase your risk of "hydroplaning" and loss of control.
• Always keep chem icals that can cause tire damage , such as
grease, oil, gasoline and brake fluid away from tires .
• Tires age even if they are not being used and can fail suddenly ,
especially at high speeds. Tires that are more than 6 years old can
only be used in an emergency and then with special care and at
lower speeds .
~

Emergency situations -
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Rear hook up
These s te p s app ly fo r w in chi ng the vehi cle on to a car
c arr ier w ith the re a r f ir st.
- Have the vehic le ali gne d cent ered wi th the ca r carr ier
r a mp.
- Attach the win ch hook to t he
rear to wline eye
=> pa ge 334, fig. 237 .
- On ce th e ca r is po sit io ned on t he car ca rrie r, ha ve safety
c hain (s ) a ttach ed t o the
fron t towline eye => pag e 333an d
ti ghte ned .
[ i] Tips
Chec k carefu lly to ma ke sure the veh icle is hoo ked up securel y
b ef ore mov ing the ca r up the ca r ca rrier r amp. •
Lifting the vehicle
Important safety precautions
Be aware of the following hazards before l ift ing the vehic le w ith a
w ork sho p ho is t or f lo or jack :
• The vehicle should never be lifted or jacked up from underneath
the engine oil pan, the transmission housing , the front or rear axle
or the body side members . This could lead to serious damage.
• Use lifting equipment with padded contact surfaces to avoid
damage to the underbody or chassis frame.
• Alternatively, cover the contact surfaces on workshop hoist or
floor ja ck with rubber pads before lifting.
• Before driving over a workshop hoist , check that the vehicle
weight does not exceed the permissible lifting capacity of the hoist. •
Before driving over a workshop hoist , ensure that there is suffi ­
cient clearance between the hoist and low parts of the vehicle .
& WARNING
To reduce the risk of serious injury and vehicle damage:
• Always lift the vehicle only at the special workshop hoist and
floor jack lift points illustrated
=> fig . 239 and => fig . 240 .
• Failure to lift the vehicle at these points could cause the vehicle
to tilt or fall from a lift if there is a change in vehicle weight distri­
bution and balance . This might happen, for example, when heavy
components such as the engine block or transmission are
removed .
• When removing such heavy components, anchor vehicle to
hoist or add corresponding weights to maintain the center of
gravity . Otherwise , the vehicle might tilt or slip off the hoist ,
causing serious personal injury .
•
Do-it -yourself service

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&, W ARNING (continued )
• Always support your vehicle with safety stands if it i s neces­
sary to work underneath the vehicle. The jack supplied with the
vehicle is not adequate for this purpose and could collapse
causing serious personal injury .
• If you must work underneath the vehicle with the wheels on
the ground , always make sure the vehicle is on level ground , that
the wheels are always securely blocked and that the engine
cannot be started .
• Always make sure the transmission selector lever (automatic
transmission) is in
" P " (Park position) and the park brake is firmly
applied.
ffi For the sake of the environment
• Changing the engine settings wi ll adverse ly affect emission
l eve ls . T hi s is detri menta l to th e envi ro nm ent and increas es fu el
consumption .
• Always observ e env ironmenta l re gulations w hen disposing of
old e ngine oil, used brake f luid, dirty engine coo lant, spent batteries
or worn out tires .•
Additional accessories,
modifications and parts replacement
Additional accessories and parts
replacement
Alway s co nsult an autho rized Audi de aler before
pu rchasing acc essories .
Your vehicle incorporates t he latest safety d esig n f eatures ensuring
a high standa rd of active and pas sive safety . Th
is saf ety could be compromised by non -approved changes to the
v ehi cle . F or thi s re aso n, if par ts have to be re pla ced , pl ease obs erve
th e fo llow ing points when insta lling add itional acc essories :
A pproved Aud i accesso ries and gen uine Audi pa rts a re avai la bl e
fr om authori zed Aud i dea lers .
Th ese dealers also have the necessary faci lities, tools and tra ined
spec ia li sts to in sta ll th e parts an d acce ssor ies pr op erly .
& WARNING
Using the wrong spare parts or using non -approved accessories
can cause serious personal injury .
• Use only accessories expressly approved by Audi and genuine
Audi spare parts .
• These parts and accessories have been specially designed to
be used on your vehicle .
• Never install accessories such as telephone cradles or
beverage holders on airbag covers or within the airbag deploy­
ment zones . Doing so will increase the risk of injury if airbags are
triggered in an accident!
• Before you check anything in the engine compartment , always
read and heed all WARNINGS
=> page 265.
0 Note
• I f item s ot her than ge nuin e Audi s pa re pa rts, add- on eq uipment
and accessory items are us ed or if r epair wor k is not performed
according to s pecified methods, thi s can re sult in severe damage to
your v ehicle's eng ine and body (suc h as c orros io n) a nd advers ely
affect yo ur vehic le 's wa rranty.
• Th e manufacturer cannot be held liable for damage w hich occurs
d ue t o fa ilur e to comply w it h these stipu lation s.•

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Centigrade
Switching between Centigrade and Fahre nheit ...... .... .... ... ....
128
Changing a flat tire .. .... .... .... 50,318
Changing a wheel ................... 318
Changing engine oil ...... .... ...... . 279
Chassis
Undercoating .. .... .... .... .... ..
261
CHECK button . . . . . . . . . . . . . . . . . . . . . . . 16
Checking
Battery acid leve l . . . . . . . . . . . . . . . . .
288
Eng ine coo lant level . ... .. .... .... 281
Checking tire pressure ............... 299
Child restraint
Danger of using child restraints in the front seat . . . . . . . . . . . . . . . . . . . . . .
189
Child restraints
What types of chi ld restraint anchors are
ava ilable? . .... .... .... ........
223
Where can I get additional information
about child restraints? ... .... ....
224
Child safety .. .... .... ....... ... 210 ,215
Additional information .... .... .... 229
Booster seats . . . . . . . . . . . . . . . . . . . . 218
Convertible child safety seats . . . . . . 216
Convertible locking retractor . . . . . . . 220
Guidance fixtures for lower anchorages
226
Important safety instructions for using
ch ild safety seats .... .... ... ....
213
Important things to know when driving
with chi ldren ...................
210
Infant seats ..................... 215
Installing a child restraint using the
LATCH system ... ... .... .... ....
228
Lower anchorages .... ....... .... . 225
Mounting and re leasing the anchorage
hook .... .... ...... .... ... .. ...
229
Older children and safety belts 219
Safety belts and o ld er children .. ... 219
Tether anchors ...... .... .... .... 229
Tether strap .. ....... .... .... .... 230
Which rest raint system should my o lder
chi ld wear? .. ...... .... ... .. ...
219
Child safety lock ... .... ... .. ...... ... 63
child safety seat
LATCH system ....... .... .... ....
228
Child safety seats .............. .... . 215
Convertible locking retractor ....... 220
How do I properly insta ll a child safety
· h ' I 7 213 seat in my ve 1c e, .. .... .... ... .
Installing .... .... ... .. .... ......
220
Safety instructions .... .... .... ... 213
Cigarette lighter ........ .... ... .. ... 120
Cleaning
Alcantara (synthetic suede) ........
264
Engine compartment .. ... ... .. ... 265
Fabrics and fabric coverings ... .... 261
Instrument pane l .. ... .. ...... .... 262
Interior ...... .... ... .. .... .... .. 261
Leather . . . . . . . . . . . . . . . . . . . . . . . . . 263
P lastic and vinyl . .... .... ... .. ... 258
Plastic parts . .... .... .... ... .... . 262
Safety belts . . . . . . . . . . . . . . . . . . . . . 265
Trim strips . .... .... ... .... .... .. 257
trim strips . .... ...... .... ... .. ... 258
Cleaning and protection ........ .... . 254
Climate controls ...... .... .......... 125
Air distribution .... .... ..... .. ... 130
Air outlets . .... .... ... ........... 131
Air recirculation ... .... .... ..... .. 128
AUTO (standard setting) .... .... ... 127
Automatic a ir recircu lation ... ..... 129
controls . . . . . . . . . . . . . . . . . . . . . . . . 126
Defrosting/defogging .... .... .... . 131
Description ... .... .... ........... 125
ECON .... ... .. .... ...... .... .... 128
Fan .. .... .... .... .... ... .... ... 129
Key -coded setting . .... .... .... ... 132
Recommended settings ........... 125
Setting the temperature .... .... ... 127
Switching between Fahrenheit and
Centigrade . .... .... .... .... ....
128
Switching the air conditioning on and off
128
Using the c limate control economically ..
132
Warm and cold ... .... .... .... ... 125
Clock ... .... .... .... ... .. ...... .... . 14
Closing
Power sunroof ....................
68
Coat hooks . . . . . . . . . . . . . . . . . . . . . . . . . 124
Co ld tire inflation pressure .... .... ... 297
Coming-home-function .... .... ...... . 77
Compartments in the door trims ..... . 124
Compass mirror .. .... .... ..... .. .... 93
Consumer Information .... ........... 345
Continuously Variable Transmission (CVT)
See multitronic™ .. .... ........... 149

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Starting .. .. .. ...... .... .... 135, 136
Starting with jumper cables ... .... 330
Stopping . .... .... .... ... .... ... 137
Engine compartment ... .. .... .... ... 274
Safety instructions . . . . . . . . . . . . . . . 273
Working the engine compartment .. 273
Engine coolant system . ...... ...... . 280
Adding coolant .. ...... .......... 282
Checking coo lant leve l .. .. .... .... 281
Checking the engine coo lant leve l .. 281
Radiator fan . . . . . . . . . . . . . . . . . . . . . 283
Engine coolant temperature Gauge ...... ...... .... ........... 13
Engine cooling system Ma lfunction .. .... ..... .. .... .... . 31
Engine data ...... .... .... .......... 343
Engine hood Closing . ...... ..... .. .... ...... . 273
How to release the hood . . . . . . . . . . 272
Engine oil ...... .... .... .... ... .... 275
Adding ... .... ... .... .... ...... . 278
Additives . . . . . . . . . . . . . . . . . . . . . . . 278
Changing ... .. .... .... ...... .... 279
Checking the engine oi l level .. .... . 277
Indications and conditions requiring extra
checking ..... .. .... .... ... .... 277
Oil consumption .. .... .... ... .... 277
Oil grades . . . . . . . . . . . . . . . . . . . . . . . 275
Recommended o il check interva ls .. 277
Specification and viscosity . . . . . . . . 275
Engine oil level .. .... .... .... ... .... . 34
Engine oil pressure Malfunction ...... ..... .. .... .... . 32 Engine oil sensor defective
....... .... . 34
Environment Break -in period .. ...... .... .... .. 243
Catalytic converter .. ...... .... ... 244
Disposing of your vehicle battery ... 291
Driving at high speeds .. .... .... .. 245
Driving to minimize pollution and noise . 245
Fuel ... ...... .... ... .. .... .... .. 269
Fuel economy ....... ...... .... .. 245
Leaks under your vehicle ... .... ... 273
Letting the vehicle stand and warm up .. 246
Proper disposa l of drained brake fluid
284
Proper disposal of drained engine
coo lant ...... ............. ..... 282
Proper disposa l of drained engine oil
278 ,279
Recycling used eng ine oil .. .... ... 278
Un leaded fuel ..... .... ... .... ... 267
What should I do with an old battery?
291
EPC
See Electronic power control .. ... .. . 23
ESP
See Electronic stabi ll ization program
(ESP) . ... .... .... ........ ... 22, 236
Event Data Recorder (EDR) .. ....... .. 236
Expansion tank .. .... ... .... .... .... 281
F
Fahrenheit
Switching between Fahrenheit and Centigrade . ...... .... ...... .... 128
Fan Adjusting the fan speed .. ...... ... 129
Climate controls ................. 129
Radiator ...... .... .... ...... .... 283
Fastening eyes ... .... .... .... .... .. 108
Flat tire ............................. 50
Changing .. .... .... ... .... .... .. 318
Flat tire changing .. ...... .... .... .... 50
Floor mats .. ... ... .... .... .... .... . 172
Fog lights ........................... 76
Fo lding master key with remote control . 52
Foot pedals .. .. .. .... .... .... ...... 17 2
For the sake of the environment Gaso line fumes and the environment 269
Letting your engine warm up ....... 136
Reducing engine noise by early upshifting .... .... ... .... .... ... 13
Reducing engine noise by upshift ing
early . .... .... .... ... .... .... ... 13
Refueling .... .... .... ....... .... 269
Saving fuel by early upshifting . .... . 13
Saving fuel by upshifting early .. .... 13
Using the rear window defogger 131, 132
Front airbags
Description . .... .... ... .... .... .. 191
How they work .. .... ... .... .... .. 196
Front ashtray . . . . . . . . . . . . . . . . . . . . . . . 119
Front fog lights .... .... .... .... .... .. 76