check engine AUDI Q7 2018 Owner´s Manual

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-If you are unable to determine whether or
not a particular fue l blend meets the speci ­
ficat ions, ask your service station or its fuel
supplier.
- Do not use fuel for which the contents can ­
not be identified.
- Fuel system damage and performance prob ­
l ems resulting from the use of fue ls differ­
ent from those specif ied are not the respon­
s ibility of Audi and are not covered under
the New Veh icle or the Emiss ion Control
System Warrant ies .
- If you experience a loss of fue l economy or
driveability and performance problems due
to the use of one of these fuel blends, we
r ecommend that you switch to unblended
fuel.
Gasoline additives
A ma jor concern among many auto manufactur ­
ers is carbon deposit build-up caused by the type
of gasoline yo u use.
A lthough gasoline grades d iffer from one manu­
facturer to another, they have certain things in
common . A ll gasoline grades contain substances
that can cause deposits to collect on vita l engine
parts, such as fue l injectors and intake valves. A l­
though most gasoline brands include additives to keep engine and fuel systems clean, they are not
equally effective .
Audi recommends using TOP TIER Detergent Gas­
oline. For more informat ion on TOP TIER Deter­
gent Gasoline, please go to the official website
(www .toptiergas .com) .
After an extended period of using inadequate
fuels, carbon deposit build-ups can rob your en­
g ine of peak performance.
@ Note
Damage or malfunction due to poor fuel q ual­
ity is not covered by the Aud i New Vehicle
Limited Warranty.
Ch eck ing and F illing
Diesel fuel
App lies to : veh icles w it h diese l eng ine
Always use U LSD (Ult ra Low Sulfur Diesel) No. 2.
T he ULSD No. 2 meets the AS TM D975.
D iesel fuel w ith concentrations of b iod iesel h igh­
er than 5
% such as B 11, B20 or B100 are strict ly
proh ib ited.
Service station fuel pumps are labeled with the
correct fuel information for easy recogn it ion by
the user . If the d iesel fue l pump is not labeled
ask the station operator what fuel is being dis ­
pensed before fill ing up your vehicle.
U LSD No . 2 may not be ava ilable outside the USA
and Canada . Be su re to check befo re traveling to
othe r countr ies.
ULSD No . 2 can become thicker in very cold tem­
peratures, and th is can impa ir the engine's start­
i ng and runn ing . Depend ing on the season , gas
stations provide ULSD No. 2 that flows bette r in
co ld tempe ra tures so that you can co nti nu e ope r­
at ing you r vehicle as usual.
{Qj) Note
- Yo ur vehicle's d iese l eng ine was des igned
so ley for use w ith ULS D No. 2. Therefo re,
never use gasoline, heating oil, other f uels
or flow improvers. These contain s ubstances
that will severely damage the fuel system
and the engine. Such damage will not be
covered by your New Vehicle Limited War­
ranty.
- If you put any amo unt of incorrect fuel in
the fuel tank, do not start the engine under
any c ircumstances. Immed iately contact the
nearest author ized Audi dealer or author­
ized Aud i Serv ice Facility fo r ass istance.
Th ese f uels con ta in substa nces that can se­
verely damage the fuel system a nd the en ­
gine if the engi ne is st arted.
311

Checking and Filling
Fuel filler door emergency release
If the central locking system is faulty, the fuel
filler door can be unlocked manually.
•
Fig . 256 Lu ggage compartment: removing the light cover
•
Fig . 257 Luggage compartment: fuel fi ller door emergency
r ele ase
The emergency release mec hanism is located be ­
h ind the r ight light cover in the luggage compart­
ment .
.. Use a screwdriver to remove the light cover
.:>fig . 256 .
.. Loosen the loop from the retainer and then pull
on the loop carefully
c> fig. 257 i=> @. The filler
doo r is released .
.. Press on the left side of the fuel fille r door to
open it
c> page 312, fig . 254.
@ Note
O nl y pull on the loop until you feel resistance .
You will not hear it release. Otherwise yo u
co uld damage the emergency re lease mecha­
nism .
314
Selective catalytic
reduction (AdBlue/DEF)
General information
App lies to: vehicles with selective catalytic reduct ion
In vehicles with selective catalytic reduction, a
urea solution (AdBlue/DEF) is injected into the
exhaust system in front of a nitrogen oxide cata­ l ytic converter to reduce nitrogen em issions. The
urea solution is known as Ad Blue or DEF (Diesel
Exhaust Fluid) . The informat ion that follows w ill
u se the name Ad B lue .
The Ad Blue is carried in a separate tank in the ve­
hicle. The AdBlue consumption depends on the
dr iv ing behavior and veh icle operat ing cond i­
tions .
It is within a range of 1.0 L -3.0L every 600
miles (1,000 km). In some cases, the consump­
tion may a lso differ from this range depending
o n the dr iving behavior and vehicle operat ing
cond it ions.
When a message about refi lling the AdBlue ap­
pears in the instrument cl uster display, you must
refi ll the Ad B lue yourse lf or have it refilled by an
authorized Aud i dea le r o r a utho rized Audi Service
Facility
c> page 315.
(D Tips
- T he d isp lay ind icates the dista nce rema ining
that can be dr iven
c> page 314 . If the Ad Bl ­
ue tank is completely empty, the engine will
not start again after the ignition is switched
off .
- Ad Blue is required by law to operate this ve ­
hicle .
Messages in the instrument cluster display
App lies to: vehicles with selective cata lyt ic reduct ion
The display indicates if the Ad Blue level is low or
if there is a system malfunction.
AdBlue level low
You w il l be informed in the instrument cl uster
display if the Ad Blue in the tank drops below a
ce rtain level. Ad d at a minim um the amount of
AdBlue shown in the message: .,..

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U Please refill with at least x qt (l) AdBlue/
DEF at the next refueling. Range x mi (km)
This message appears when there is only enough
Ad Blue left to drive the distance indicated in the
instr ument cluster. Fill the Ad Blue.
U Refill with at least x qt (I) Ad Blue/DEF. No
engine start in x mi (km). See owner's manual
This message appears when there is only enough
Ad Blue left to drive the distance indicated in the
instrument cluster. Fill the Ad Blue. Otherwise
the engine will not start again if you stop i t once
the distance indicated has been driven.
• Refill with at least x qt (I) Ad Blue/DEF. Un­
able to start engine. See owner's manual
This message appears when the AdBlue tank is
empty. Fill the AdBlue. Otherwise you will not be
ab le to start the engine again once yo u stop it .
The Ad Blue must be refilled when the amount in
the tank has reached the minimum level
c::, page 315, Preparation.
Incorrect filling/system malfunction
A message appears if the Ad Blue tank was filled
with a fluid other than AdBlue and the system
has detected that the tank was filled incorrectly,
or if there is a system malfunction .
II AdBlue/DEF: malfunction! No engine start
in x mi (km). See owner's manual
This message appears when it is only possible to
drive the distance indicated in the instrument
cluster . Drive to the nearest authorized Audi
dealer or authori zed Audi Service Facility to have
the ma lfunction corrected. Otherwise the engine
will not start again if you stop it once the dis­
tance indicated has been driven .
• AdBlue/DEF: malfunction! Unable to start
engine. See owner's manual
This message appears if the system has detected
that the tank was filled incorrectly or that there is a malfunction . Drive immediately to the near­
est authori zed Aud i dealer or authori zed Audi
Service Facility to have the malfunction correct ­
ed . Othe rwise you will not be able to start the en­
g ine again once you stop it.
Checking and Filling
Preparation
Applies to: veh icles w ith selective catalytic reduction
Fig . 258 Right rear s ide o f th e ve hicle: removing th e Ad B l­
u e cap
T he Ad Blue tank opening is located near the die­
sel tank opening. Add at least the amount of
AdBlue shown in the instrument cluster display.
This is the minimum amount required to ensure
the system detects the refilling and to start the engine. You can add a maximum of 6.3 gallons
(24 liters) .
Requirement: the request to add Ad Blue must
appear in the instrument cluster display.
.. Park the vehicle on a level surface.
.. Switch the ignit ion
off .
.. Open the tank filler door c::>poge 312.
.. Turn the tank filler neck cap to the left to re­
move
¢fig. 258.
.. Refill Ad Blue using a pump nozzle c::;, page 316,
a canister c;,page 316 or a bottle c;,page 317 .
A WARNING
f-
AdBlue can irritate the skin, eyes and respira-
tory system .
If there is contact with the fluid,
flush immed iately with plenty of water. Con­
sult a physician if necessary.
(D Note
-Only use Ad Blue that conforms to the
standard ISO 22241-1. Do not mix any addi­
ti ves with the Ad Blue and do not dilute it
w ith water.
- Do not add Ad Blue to the diesel tank or add
diesel fuel to the Ad Blue tank . Do not start
the engine under any circumstances if the
wrong fuel is filled in the ta nk. There is a
315

Check ing and F illing
risk of damaging the fuel tank system and
the engine. See an authorized Audi dealer or
a uthorized Audi Serv ice Facility for ass is ­
tance.
- AdB lue attacks surfaces such as painted ve ­
hicle components, plast ic and carpet. Re­
move the fluid as quickly as poss ible with a
damp cloth and plenty of cold water. If the
Ad Blue has already crysta llized, use warm
water and a sponge . AdBl ue residue that is
not removed will crysta llize a nd can damage
the affe cted surface.
- Do not sto re refi ll bott les o r caniste rs per­
mane ntly in the ve hicle. If the con ta iner
l e ak s, the escap ing Ad B lue could damage
the ve hicle in ter io r.
- Do not allow Ad Blue to come into co ntact
wi th clothing. If the re is contac t w ith the
f lui d, flus h immed iate ly w ith plenty o f wa ­
te r.
(D Tips
Follow t he Ad Blue m anufact urer's ins truc ­
t ions for use and s torage .
Refilling AdBlue using a pump
Applies to: vehicles with selective catalytic reduction
... Open the tank fi ller door ¢ page 312 , fig . 254.
... Turn the tank filler neck cap to the left to re ­
move
r=:> page 315, fig . 258 .
... Refill Ad B lue until the pump nozzle switches
off for the first time
r=:> 0 .
.,. Close the filler tube¢ page 317, Completing
AdBlue refill
(Qj) Note
- The pump nozzle handle must be pointing downwa rd w hen fill ing . Ot herwise the
p ump noz zle w ill not sw itch off a utomat i­
ca lly¢ @)
in Preparation on page 315.
-Do not cont inue fill ing once the pump no z­
zl e automatically switc hes off for the first
time. The AdBl ue tan k system could be
ove rfilled and leak A d Blue ¢(@ in
Prepara ­
tion on page 315 .
316
Refilling AdBlue using a canister
Applies to: vehicles with selective catalytic reduction
®
+®
Fig. 2 59 Caniste r w ith attac hable hose
... Remove the cover from the refill canister¢.&.
in Preparation on page 315, r=:>0 in Prepara­
tion on page 315 .
... Secu re the end of the hose (Don the ope ning in
the caniste r@ by tu rn ing the hose to the right .
.,. Remove the cap @from the other end of the
hose @ .
... Position the end of the hose @on the filler
neck in the ve hicle and turn the hose to the
r ight to tighten it .
... Lift the canister up and then tip it. Cont inue
holding the canister in a tipped position until it
is empty or unt il no more fluid flows into the
tank .
.,. Unsc rew the hose cou nterclockw ise .
.,. Remove the canister and close the filler t ube
r=:> page 317, Completing AdBlue refill.
{[» Note
Only use refill canisters that a re approved fo r
you r veh icle. Using o ther s ystems ca n cause
AdB lue to lea k.
© Tips
- An autho riz ed Aud i dea le r or aut ho rized
Audi repair f acili ty c an t ell you wh ich refill
c anis ters are app roved for yo ur vehicle .
- A per mitted refill ca niste r contains app roxi ­
m ate ly 1. 3 g allons (S lite rs) of Ad Blu e.

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Refilling AdBlue using a bottle
Applies to: vehicles with selective catalytic reduction
.,. Remove the cap from the refill bottle ¢&, in
Preparation on page 315,
¢ @ in Preparation
on page 315.
.,. Position the bottle on the filler tube and turn
the bottle clockwise unti l it stops turning .
.,. Press lightly against the bottom of the bottle
to empty it. Continue pressing the bottom of
the bottle until it is empty or until fluid stops
flowing into the tank .
.,. Turn the bottle to the left without press ing on
the bottom .
.,. Remove the bottle and seal the filler neck
¢ page 317, Completing AdBlue refill .
({D Note
Onl y use refi ll bottles t hat are approved for
your veh icle. Using othe r systems can ca use
Ad Blue to leak.
(j) Tips
- You can obta in refi ll bottles from an autho r­
iz ed Audi dealer or author ized Audi Se rvice
Fac ility.
- A pe rm itted refill bott le conta ins approx i­
ma tely O.S gallons ( 1.9 lite rs) of Ad B lue.
Completing AdBlue refill
Applies to: vehicles with selective catalytic reduction
Closing th e fill er n eck
.,. Turn the Ad Blue cap to t he r igh t on the filler
tube unti l the cap clic ks into p lace ¢
A in
Preparation on page 315,
¢ @ in Pr eparation
on page 315 .
.,. Close the fuel filler door and then press on the
left side until it lat ches.
After filling
The vehicle must be driven so that the system
r e cognizes that the Ad Blue was refilled. This can
take sev era l minutes .
.,. If there was no Ad Blue left in the t ank and a
range of O mi (0 km) was shown in the display,
switch the ignition on for about 30 seconds be ­
fore starting the engine .
Check ing and F illing
(D Tips
Ad B lue in the tank can freeze at very low tem ­
peratures . If thi s happens, the system will
not detect that the Ad Blue was refilled and it
will continue to inform you of the low Ad B lue
l evel. The message turns off as soon as the
ta nk thaws out aga in .
Emissions control
systems
Catalytic converter
Applies to: vehicles with gasoline engines
T he veh icle may only be d riven w ith un leaded
gasol ine , otherwise the cata lyti c converte r will be
dest royed.
Never dr ive u ntil the ta nk is completely empty .
T he ir regu lar supply of fuel that resu lts from that
can cause eng ine misfires. Uncomb usted fue l will
en ter the exha ust system , which can cause over­
heating and damage to the cata lytic converter.
Di esel particulate filt er
Applies to: vehicles with diesel particulate filter
T he diesel part iculate filte r filte rs nearly all of
the soot pa rt icles out of the exhaus t. The filter
cleans itself a utomat ica lly unde r no rma l dr iving
cond it io ns. If the fi lter canno t be cleaned auto­
matically, for examp le if only s ho rt distances are
u su a lly driven, t he fi lter will become clogged
with soot.
Indicator light (diesel particulate filter )
Applies to: vehicles with diesel particulate filter
II Particulate filter: cl ean by driving . See own­
er 's manual
The diesel part icu late filter requ ires regenera­
t ion. To support the filter's self-cleaning func­
t ion:
Drive for approximately 15 minutes at 37 mph
(60 km/h) or above in the "S" selecto r leve r pos i­
t ion. Keep the engine speed at a minim um of
2,000 RPM . The temperat ure increase that will
r esul t from this ca n bu rn off the soot in the filter.
T he ind icator light will turn off when the cleaning
has completed successfully . .,.
317

Checking and Filling
If the indicator light does not turn off, drive im­
mediately to an authorized Audi dea ler or author­
ized Audi Service Fac ility to have the malfunction
corrected.
A WARNING
The temperature of the exhaust system is
high, both whe n driving and after stopping
the engine .
- Never touch the exhaust ta il pipes once they
have become hot. This could result in burns .
- Do not park you r vehicle over flammable
materials such as g rass or leaves because
the h igh temperat ure of the emiss ions con­
t rol sys tem cou ld start a f ire.
- Do not apply underbody p rotectant in the
exha ust system a rea, because this increases
the risk of fire.
- Applies to: vehicles wi th diesel particulate
filte r: always adjus t your speed to the
weathe r, road, te rra in and traffic con ditio ns
dur ing diesel partic ulate fi lter regene ration.
Yo u should never disobey tra ffic laws in or­
der to fo llow dr iv ing recommendations.
(D Tips
Applies to: ve hicles with diesel particulate filter
- Due to the high temperatures that occur
d uring diesel pa rticu late filter regenerat ion,
the radiator fan may continue runn ing after
the engine stops, even if the engine did not reach its operat ing temperatu re.
- Noises, odors and increased speeds may oc­
cur d uring the regeneration.
- Always use the co rrect engine oil and fuel to
ens ure that the serv ice life of the d iesel par­
ticulate filter is not reduced.
318
On Board Diagnostic
System (OBD)
The On-Board Diagnostic System monitors the
engine and transmission components that influ­
ence emissions.
Fig. 260 Footwe ll on left s ide of t he ve hicle : con necti on
port fo r the O n-Boa rd D iagnostic Sys tem (OBD)
On -Board Diagnostic System
Engine data can be read out a t the On-Board Di­
agnost ic System connection port using a specia l
testing device
c::> fig. 260 .
Indicator light
If thP ¢'4 ind icator light blink s or turns on , the re
i s a ma lfunction that is causing poor emissions
quality a nd that cou ld damage the catalytic con­
verter .
D rive slowly to an authorized Audi dealer or au­
thorized Audi Serv ice Facility to have the mal­
funct ion corrected .
The ind icator light can a lso turn on if the fuel fill­
er cap is not closed correctly
c::> page 312 .
A WARNING
Incorrect use of the co nnect ion port for the
On-Board D iagnost ic System can cause mal­
f u nct ions, wh ich can t hen resul t in accidents
and se rious inj uries.
- Only allow an a utho rized Aud i dea le r or au­
thorized A udi Se rvice Fa cility to read out the
e ngine da ta.
-

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Engine compartment
Working in the engine compartment
Special care is required if you are working in the engine compartment
F or wo rk in th e en gine co mpartm en t, suc h as
ch eck ing and filli ng flu id s, th ere is a r isk o f in­
jur y, sca lding, ac cident s, a nd b urn s. Fo r this
re aso n, follow all the warning s and gener al
s af ety pr ecau tions pr ovided in the f ollowin g in­
f o rm ation . The engine comp artm en t is a d an­
g ero us ar ea .
¢ ,&. .
A WARNING
- T urn the engine off.
- Swit ch the ign ition off.
- Set the parking brake .
- Select the "P" selector lever posit ion .
- Let the engine cool down.
- Never open the hood when there is steam or coolant escaping from the eng ine compart­
ment, because there is a risk that you could
be burned . Wait until no steam or coolant is
escaping.
- Keep children away from the engine com­
partment .
- Never spill flu ids on a hot engine. These flu­
ids (such as the anti -freezing agent con­
tained in the coolant) can ignite .
- Avoid short circu its in the electrical system .
- When working in the engine compartment,
remember that the radiator fan can sw itch
on even if the ign ition is switched off, which
increases the risk of injury .
- Never open the cap on the coolant expan­
sion tank when the eng ine is warm. The
cooling system is under pressure .
- To protect your face, hands, and arms from hot steam or coolant, cover the cap with a
large cloth when opening.
- Do not remove the engine cover under any circumstances . This increases the risk of
burns.
- If tests need to be performed w ith the en­
gine running, there is additional danger due
to moving components (such as the ribbed
Ch eck ing and F illing
be lt, alternator and radiator fan) and from
the high-voltage ignition system.
- Do not under any circumstances activate the
throttle inadvertently (for example, by hand
from the engine compartment) if the veh i­
cle is stat ionary but the eng ine is running
and a gear is engaged . Otherwise, the veh i­
cle will start to move immed iately and this
could result in an acc ident.
- Pay attent ion to the following warnings
when work on the fue l system is required :
- Do not smoke .
- Never wor k nea r open flames .
- Always have a working fi re extingu isher
nearby.
- All work on the battery or electrical system
in your veh icle can result in inju ries, chemi­
cal burns, acc iden ts or bu rns . Because of
this, all work m ust be performed
onl y by an
authorized Audi dealer or authorized Audi
Service Facility.
- To reduce the risk o f electric shock and in ­
jury, never touch the following components
when the engine is running or is being start­
ed:
- Ign it ion cable
- Other components in the electronic high -
voltage ign ition system
- If you must check or perform work on the
engine wh ile it is running:
- Set the parking brake first and then se lect
the "P" selector lever position .
- Always proceed w ith extreme caution so
that clothing, jewelry or long hair do not
become caught in the radiator fan, fan
belt or other moving components or do
not come into contact with hot compo­
nents. Tie back long hair before beginning
work and do not wear clothing that can hang down into the engine .
- lim it your exposure to exhaust and chemi­
cals to as short a time as possible
¢ ,&. .
A WARNING
California Proposition 65 Warning:
319

Checking and Filling
- Engine exhaust, some of its constituents,
and certain vehicle components contain or
emit chemicals known to the State of Cali­
forn ia to cause cancer and birth defects and
reproduct ive harm . In addition, certain flu­
ids contained in veh icles and certain prod­
ucts of compo nent wear contain or emit
chemicals known to the State of California
to cause cancer and birth defects or other reproductive harm .
- Battery posts, termina ls and related acces­
sories contain lead and lead compounds, chemicals known to the State of California
to cause cancer and reproductive harms.
Wash hands after handling .
(D Note
When filling flu ids, be sure not to mix the flu ­
ids up . Otherwise severe ma lfunctions and en­
gine damage w ill occur .
@ For the sake of the environment
You shou ld regularly check the ground under
your vehicle in order to detect leaks quickly. If
there are visible spots from oil or other fluids,
bring your vehicle to an authorized Audi deal­
er or author ized Audi Service Facility to be
checked .
Opening/closing the hood
The hood is released from inside the vehicle.
Fig . 261 D river footwell : release leve r
320
Fig. 262 Unlocked hood : lev er
Make sure the wiper arms are not raised up from
the windshie ld. Otherw ise the paint could be
damaged .
Opening the hood
"'With the driver's door open, pull the lever be ­
low the instrument panel in the direction of the
arrow ~
fig. 261 .
"' Raise the hood slightly~ &-
"' Press the lever~ fig. 262 in the direction of the
arrow. This releases the hooks .
"' Open the hood.
Closing the hood
"' Push the hood down until you over ride the
force of the struts .
"' Let the hood fall lightly into the latch .
Do not
press it in.
~ .&_ .
A WARNING
-Never open the hood when there is steam or
coo lant escaping from the engine compart­
ment, because there is a risk that you could
be burned. Wait until no steam or coolant is
escaping.
- For safety reasons, the hood must always be
closed securely while driving . Because of
this, always check the hood after closing it
to make sure it is latched correctly . The
hood is latched if the front corners canno t
be lifted .
- If you notice that the hood is not latched
while you are driving, stop immed iate ly and
close it, because driving when the hood is
not latched increases the r isk of an accident . ..,.

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-If the hood is not latched completely, it
could fly up while you are driv ing and ob­
struct your vision.
Engine compartment overview
The most important check points.
Chec king and Filling
Fig . 2 63 Typ ical location of the reservoir a nd t he eng ine o il filler ope ning
@ Jump start point(+) under a cover,(-) with
hex head screw
c::> page 32 7 c::> page 369
@ Coolant expans ion tank ( - L) c::> page 325
@ Engine oi l label * with VW standard
<=:> page 321
© Engine oil filler opening ('t=:r.) c::> page 322
® Brake f luid reservoir ((0)) c::> page 326
® Washer fluid reservoir (~) c::> page 328
The coolant expansion tank @and the engine oil
fi ller opening ©
c::> fig. 263 may be located in dif­
ferent places depending on the engine version.
A WARNING
Read and follow all WARNINGS before check­
ing anything in the eng ine compartment
c::> page 319.
Engine oil
If the engine oil level is too low
If you need to add engine oil, us e an oil that i s
li sted on the st icker.
The sticker is located at the
front of the engine compartment
c::> page 321 ,
fig. 263.
If the recommen ded engine o il is not avai lab le,
in an emergency you may add a maximum of 1
quart
( l liter) of ACEA C3 or API SN eng ine oi l
one time until the next oil change.
F or more i nformation on the correct eng ine oil
for yo ur vehicle, contact an author ized A udi deal­
er or authorized Aud i Service Facility . Have the o il
c h anged by an authorized Audi dealer or author-
i z ed Service Facility.
ll>
321

Check ing and F illing
A ud i rec ommends
f;; Castrot //g{g{E{g ?r,w_:;-...7dri,'1AL
Audi rec ommends usi ng the Long Life high ­
perform ance eng ine oil from Aud i Genu ine
Part s.
Checking the engine oil level
The engine oil level can be checked in the Info·
tainment system
Observe the safety precautions¢ A in Working
in the engine compartment on page 319.
~ Park your vehicle on a level surface.
~ Shut the engine off when it is warm.
~ Switch only the ignition back on.
~ Wait approx imately two minutes.
~ Select in the Infota inment system: the I MENU I
button > Ve hicle > left contro l button > Ser vic e
& chec ks > Oil level.
~ Read the oi l level in the display . Add engi ne oil
if th e ba r in the oil leve l ind icator is j ust before
"min" ¢
page 323.
{U) Note
The engine o il leve l must not be unde r the
"min" marking, as this will increase the risk of
engine damage .
(D Tips
The oil level indicato r in the display is on ly an
informationa l display . If the o il level is too
low, a minimum oi l warning appears in the in ·
strument cluster. Add oi l and close the hood.
The current oil leve l is d isplayed in the Info­
tainment system the next time the ignition is
sw itched on.
(D Tips
The engine oil consumption may be up to
0.5 quart/600 m iles (0.5 liter/1,000 km), de­
pending on driving style and operating condi­
tions. Consumpt ion may be h igher during the
first 3,000 miles (5,000 km). Because of this, the engi ne oil level m ust be chec ked regular·
Ly. It is best to c hec k each t ime yo u refuel
your veh icle and before long dr ives.
322
- In order to prov ide e ffective lubrication and
cooling of interna l engine components, a ll
internal comb ustion engines consume acer ­
tain amount of oil. Oil consumption var ies
from engine to eng ine and may change sig­
nificantly over the life of the engine. Typi·
cally, eng ines with a specified break-in per i·
od consume mo re o il during the break-in pe·
r iod than they consume afte r oil cons ump·
t ion has s tabilized.
- Under no rma l co nd it ions, the rate of oil
c ons umption depends on the q ual ity and
vis cos ity of the oil, the RPM (revo lutions per
min ute) a t which the engine is operated, the
ambient temperature and road conditions .
Further factors are the amount of oi l di lu ­
t ion from water condensation or fuel resi­
due and the oxidation level of the oil. As any
eng ine is subject to wear as m ileage bu ilds
up, the oil consumption may increase over
t ime until replacement of worn components
may become necessa ry.
- With all these var iables comi ng into play,
no standard rate of o il consumption can be
established o r spe cified. There is no alter na­
t ive to c hec king the oil leve l reg ularly and
frequently.
- If you have the impress io n your e ng ine co n­
s u mes excessive amou nts of oi l, we recom ­
mend that yo u consult an authorized A udi
dea ler to have the cause of your concern
properly diagnosed . Keep in mind that the
acc urate measurement of o il cons umption
requires great care and may take some
t ime. An authorized Aud i dealer has instruc­
t ions about how to measure o il consump·
t ion accurate ly.
- You can find i nformat ion on engine oil and
eng ine oil capac it ies for the USA at
www.aud iusa.com/he lp/ma intenance, o r
for Canada at www.aud i.ca/ ca/web/en/
c u sterne r-area/ ca re -and-ma i nte na nee/ au di­
serv ice -sched u les. htm l, o r ca ll
800 -822 -2834 .