2017 AUDI A6 service

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Your vehicle may be equipped with Audi con­nect. Your use
of certain Audi connect fea­
tures requires w ireless services that are pro­
vided by a third party wire less telecommuni­
cations p rovider . For deta ils regard ing how in­
formation obta ined through Audi co nnect is
collected, processed, t ransmitted, used, and
shared, please see your contract with the
w ireless te lecommunications provider and the
"About Aud i connect" tab in your vehicle's
MMI:
! MENUI button> Audi connect > Ab out
Audi connect .
Intelligent Technology
127

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" N .... 0 0 <..:l ' Audi pre sense Preventative passenger
protection
Applies to: ve hicles with Audi pre sense
Pre sense can initiate steps to protect vehicle oc­
cupants in certain dangerous situations. The
functions described are available depending on
veh icle equ ipment:
P re sen se basi c*
T he following functions can be triggered in cer­
tain driving situations:
- Tensioning of the safety belts (for example,
during heavy braking) : the front safety belts
have reversible belt tensioners. If a collision
does not occur, the safety belts loosen slightly
and are ready to trigger again .
- Closing the w indows and the sunroof* (for ex­
ample, when over- or understeer ing) : the win­
dows and the sunroof* close until there is only
a small gap open .
The function of the pre sense basic is act ivated at
a speed of 20 mph (30 km/h) or higher .
Drive se lect: the deployment time is adapted in
D yna mic mode .
Pre sense f ront (v e hi cles with adaptiv e cruis e
contr ol*)
Pre sense front contains the functions of pre
sense basic . In addition, the likelihood of a rear ­
end collision with the vehicle ahead is also calcu­
lated, within the limits of the system. If the risk
of a collision is detected, the following functions
can trigger:
- Braking guard
c> page 93
- Tensioning of the safety belts
- Closing the windows and the sunroof*
Pre s ense rear (vehicles with side assi st* )
Pre sense rear contains the functions of pre sense
bas ic. In addit ion, the l ikel ihood of a rear-end
coll is ion from the vehicle behind is a lso ca lculat­
ed, w ithin the limits of the system. If the risk of a
collision is detected, the following functions can
trigger:
Audi pr e sense
- Tensioning of the safety belts
- Closing the windows and the sunroof*
Pr e sense p lus*
Pre sense plus contains the functions of pre
sense front and pre sense rear .
Error message
Aud i pre sense : Un ava ilable
Preventative passenger protection is not availa­
ble. Drive to your authorized Audi dealer or au­
thorized Audi Service Facility immediat ely to have
the malfunction corrected.
A WARNING
=
Pre sense cannot overcome natural phys ica l
laws. It is a system designed to assist and it
cannot prevent a collision . Do not let the in­
creased safety provided tempt you into tak ing
r isks. This could inc rease your risk of a colli­
sion.
- The system can dep loy incorrectly .
- Please note that the sensors do not always
detect a ll objects . T hi s increases the r isk of
a co llision.
- Pre sense does not react to people or ani­
mals or objects that are cross ing the vehi­
cle's path o r are diffic ult to detect
.:>page 88.
- Reflective objects such as guard ra ils or the
entrance to a tunnel, heavy rain and ice can
affect the funct ion of the rada r senso rs and
the system's ability to de tect a co llision risk.
(D Note
The sensors can be d isplaced by impacts or
damage to the bumper, wheel housing and
u nderbody. Pre sense can be impaired by this .
Have an authorized Audi dealer or authorized
Audi Service Facility check their function .
(D Tips
-Certa in p re sense front funct ions sw itch off
when sport mode is switched off or when driving in reverse. ..,.
137

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" N .... 0 0 <..:l ' ~ Push the loop-around fittings up qfig. 152 @,
or
~ squeeze together the(!) button, and push the
loop-around fittings
do wn@ .
~ Pull the belt to make sure that the upper at­
tachment is properly engaged .
A WARNING
Always read and heed all WARNINGS and oth­
er important informat ion
Q page 141.
With the front seats, the height adjustment
of the seat can also be used to adjust the po­
sition of the safety belts.
Improperly worn safety belts
Incorrectly positioned safety belts can cause se­
vere injuries.
Wearing safety belts improperly can cause seri­
ous injury or death. Safety belts can only work
when they are correctly pos itioned on the body .
Improper seating positions reduce the effect ive­
n ess of safety be lts and will
even i ncrease the
ris k of injury and death by mov ing the safety belt
to cr it ica l areas of the body. Imp roper seating
positions also increase the risk of serious inj ury
and death when an airbag deploys and strikes an
occ upant who is not in the correct seat ing posi­
tion. A driver is respons ible for the safety of all
vehicle occupants and espec ia lly for children.
Therefore:
~ Never permit anyone to assume an incorrect
s itting position in the veh icle wh ile traveling
Q A .
A WARNING
Improperly worn safety belts increase the risk
of serious personal injury and death wheneve r
a vehicle is be ing used.
- Always make sure that al l vehicle occupants
are correctly restra ined and stay in a co rrect
seating pos it io n whenever the ve hicle is be­
ing used.
S afet y be lts
- Always read and heed all WARNINGS and
other important in format ion
q page 141.
Belt tensioners
How safety belt pretensioners work
In front, side and rear-end collisions above a
particular severity and in a rollover, safety belts are tensioned automatically.
Rever sible safety belt tensioner s
The safety belts on the front seats are equipped
with power reversible tensioners. The following
funct ions are available when the dr iver's/front
passenger's safety belts are fastened:
- Automatic tens ioners: at the start of a drive,
the safety belts automatically adjust to the passenger after a certain time period or vehicle
speed. To switch the automatic tensioners off,
select the following in the MMI :
!CARI function
button
> (Car )* system s > Vehicle setting s >
Seats > Driver's seat or Passeng er' s s eat > Au­
tom atic belt ten sioner
> Off .
- In certain driving situations, the safety bel ts
may tighten w it h a reve rsib le tensioning func­
tion
q page 137.
-The safety be lts may also tigh ten with this re-
versible tension ing function in m inor collisions.
Pyrotechnic safety belt pretens ioners
The safety belts are equipped w it h safety belt
prete nsioners. The system is activated by sensors
in front, side and rear -end collisions of great se­
verity and in a ro llover. This tightens the belt and
takes up belt slack
q .& in Service and disposal of
safety belt pretensioner on page 146.
Taking up
the slack he lps to reduce forward occupant
movement during a collision.
A WARNING
--
- It is poss ible for the pretensioners to dep loy
incorrectly.
- The pyrotechnic system can only provide
protection for one collision. If the pyrotech­
n ic pretens ioners deploy, the pretensioning
system must be replaced.
145

Safety belts
(D Tips
The pyrotechnic safety be lt pretensioners can
only deploy once.
- The safety belt pretensioners do not deploy
in minor frontal, side and rear-end co lli­
sions.
- A fine dust is released when the pyrotechnic
safety be lt pretensioners deploy. This is nor­
mal and is not caused by a fire in the vehi­
cle.
- The relevant safety requirements must be
observed when the vehicle or components
of the system are scrapped. A qualified
dealership is familiar with these regulations
and will be pleased to pass on the informa­
tion to you.
- Be sure to observe all safety, environmental
and other regulations if the veh icle or indi­
v idual parts of the system, pa rticula rly the
safety be lt o r airbag, are to be disposed . We
recommend you have your authorized Audi
dealer perform this service for you.
Service and disposal of safety belt preten­
sioner
The safety belt pretensioners are parts of the
safety belts on your Audi. Installing, removing,
servicing or repairing of belt pretensioners can
damage the safety belt system and prevent it
from working correctly in a collision.
There are some important things you have to
know to make sure that the effectiveness of the
system w ill not be impaired and that discarded
components do not cause injury or pollute the
environment.
_& WARNING
Improper care, servicing and repair proce­
dures can increase the risk of personal injury
and death by preventing a safety belt preten­
sioner from activating when needed or acti­
vating it unexpectedly :
- The belt pretensioner system can be activat­
ed only once.
If belt pretensioners have
been act ivated, the system must be re­
placed .
146
-Never repair, adjust, or change any parts of
the safety belt system .
- Safety belt systems including safety belt
pretensioners cannot be repaired . Spec ial
procedures are required for removal, instal­
lation and disposal of this system.
- For any work on the safety belt system, we
strongly recommend that you see your au­
thorized Audi dealer or qualified technician
who has an Audi approved repa ir manual,
tra ining and special equipment necessary .
@) For the sake of the environment
Undeployed airbag modules and pretension­
ers might be classified as Perchlorate Materi­
al -special handling may apply, see
www .dtsc.ca .gov/hazardouswaste/perchlo­
rate. When the vehicle or parts of the re­
straint system including airbag modules safe­
ty belts with pretensioners are scrapped, all
applicable laws and regulations must be ob­
served. Your authorized Audi dealer is familiar
with these requirements and we recommend
that you have your dealer perform this service
for you.

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must be performe d by qualified workshops
only. Make sure that any airbag service ac­
tion is entered in your Audi Warranty
&
Maintenance booklet under AIRBAG RE­
PLACEMENT RECORD.
- For safety reasons in severe accidents, the
alternator and starter are separated from
the vehicle battery with a pyrotechn ic circuit
interrupter.
- Work on the pyrotechnic circ uit interrupt­
er must only be performed by a qualified
technicians who have the experience, in­
formation and special tools necessary to
perform the work safely.
- If the veh icle or the c ircuit interrupter is
scrapped, all app licable safety precautions
must be followed .
@) For the sake of the environment
Undeployed airbag modu les and pretension­
ers might be classified as Perch lorate Materi­
al - special handling may apply, see
www.dtsc .ca.gov/hazardouswaste/perchlo­
rate. When the veh icle or parts of the re­
strai nt system including airbag modules and
safety bel ts wit h pretensione rs are scrapped,
all a ppli cable laws and regulations mus t be
observed. Your a uthorized Audi dealer is fa­
m iliar with these requirements and we recom ­
mend that you have your dealer perform this
service for you.
Other things that can affect Advanced
Airbag performance
Changing the vehicle's suspension system can
change the way that t he Advanced Airbag System
pe rforms in a crash. For examp le, using tire-r im
comb inat ions no t approved by Audi, lowering the
ve hicle, changing the s tiffness of the suspens ion,
includ ing the springs, suspension struts, shock
absorbers etc . can change the forces that are
measured by the airbag sensors and sent to the
e lectronic contro l unit . Some suspens ion changes
can, for example, increase the force levels meas­
ured by the sensors and make the airbag system
deploy in crashes in wh ich it would not dep loy if
the changes had no t been made. Other kinds of
Airb ag sys tem
changes may red uce the force levels measured by
the sensors and prevent the airbag from deploy­
i ng when it sho uld.
A WARNING
=
Changing the vehicle's suspension including
use of unapproved tire-rim combinations can
change Advanced Airbag performance a nd in­
crease the risk of serious personal injury in a
crash.
- Never install suspension components that do not have the same performance charac­
ter istics as the components origina lly instal­
led on you r vehi cle.
- Never use tire-rim combinations that have
not been approved by Audi.
Knee airbags
Description of knee airbags
Applies to: vehicles wi th knee airbags
The knee airbag system can provide supplemen­
tal protection to properly restrained front seat
occupants .
Fig. 1 57 Dr iver 's k nee a irbag
The driver knee airbag is in the instrument panel
underneath the s teer ing whee l~
fig . 157, the
airbag fo r the passenger is at abou t the same
heig ht in the i nstr ume nt p ane l underneath the
glove compa rtment.
The knee airbag offers add itiona l protection to
t h e d river's and passenge r's knees and uppe r and
l ower thigh areas a nd supplements the p rotec­
t ion prov ided by the safety bel ts .
If the front airbags deploy, the knee a irbags also
deploy in frontal coll is ions when the deploymen t
Iii--
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" N .... 0 0 <..:l ' fill up at busy gas stations where the seasonal
adjustment is more likely to be made in time .
(D Note
-Methanol f uels which do not mee t these re­
quirements may ca use corrosion and dam­
age to plastic and rubber components in the
fuel system.
- Do not use fuels that fai l to meet the speci­
fied criteria in this chapter.
- If you are unable to determine whether or not a particular fuel blend meets the speci­
fications, ask your service station or its fuel
supplier.
- Do not use fuel for which the contents can­
not be identif ied.
- Fuel system damage and performance prob­
lems resulting from the use of fue ls differ­
ent from those specified are not the respon­
s ibility of Audi and are not covered under
the New Veh icle or the Emiss ion Control
System Wa rrant ies.
- If you experience a loss of fue l economy or
driveability and performance problems due
to the use of one of these fuel b lends, we
recommend that you switch to unblended
fuel.
Gasoline additives
A ma jo r concern among many auto manufactur ­
e rs is carbon deposit build-up caused by the type
of gasoline you use.
A lthough gasoline grades d iffer from one manu ­
facturer to ano ther, they have certain things in
common . All gasoline grades contain substances
that can cause deposits to collect on v ita l eng ine
parts, such as fuel injectors and intake valves. Al­
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) .
Check ing and Filling
After an extended period of using inadeq uate
fuels, carbon deposit bui ld-ups can rob your en­
gine of peak performance.
(D Note
Damage or ma lf u nction due to poor fuel qual ­
ity is not covered by the A udi New Vehicle
Limited Warranty .
Diesel fuel
Applies to: vehicles with diesel engine
Always use ULSD (Ultra Low Sulfur Diesel) No. 2 .
The ULSD No . 2 meets the ASTM 0975.
Diesel fuel w it h concentrations of b iod iesel h igh­
er than 5 % such as Bl 1, B20 or BlOO are strict ly
prohibited .
Se rvice station fuel p umps are labe led with the
correct f uel info rmation for e asy recog nition by
the user.
If the d iesel fue l pump is not labeled
ask the station operator what fuel is being dis­
pensed before fil ling up your vehicle .
UL SD No . 2 m ay not be available ou tside the USA
and Canada . Be sure to check befo re t raveling to
other countries .
UL SD No . 2 can become thic ke r i n ve ry cold tem­
peratures, and th is can imp air the engine's s tart ­
ing and running. Depend ing on the sea son, gas
stations provide ULSD No . 2 that flows better in
cold temperatures so that you can continue oper ­
at ing your vehicle as usual.
@ Note
- Your vehicle's diese l engine was designed
soley for use with ULSD No . 2 . Therefore,
neve r use gasoline, heating oil, other fuels
or flow improvers. These contain substances
that will severely damage the fuel system
and the engine . Such damage will not be
cove red by your New Vehicle Limited War­
r a nty.
- If you put a ny amo unt of incorrect fuel in
the fuel tank, do not sta rt the eng ine under
any circumstances. Imme diately contact the
nea res t a uthor ized Audi dealer or author­
ized Aud i Serv ice Facility fo r ass istance .
191

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-Ad Blue is req uired by law to operate this ve ­
hicle .
Messages in the instrument cluster display
Appl ies to: ve hicles with selective ca talytic reduc tion
The display indicates if the Ad Blue level is low or
if there is a system malfunction.
AdBlue level low
You wi ll be informed if the Ad Blue in t he tank
dr ops below a certain leve l.
Please r efill Ad B lu e. Rang e x mi (km )
This message appears when there is only enough
Ad Blue left to drive the distance indicated in the
driver information system . Fill the AdBlue.
Ad Blue /9 Refill AdBlue! Cannot start engine
in x mi (x km )! See owner 's m anual
This message appea rs when there is only eno ugh
Ad Blue left to d rive the distance indicated in the
driver information system. Fill the AdBlue. Other­
wise the engine will not start again if you stop it
once the distance ind icated has been driven. You
can also check the remaining distance in the on­
board computer*.
Refill AdBlue! No restart! See o wn·
er 's manual
This message appears when the AdBlue tank is
empty. Fill the Ad B lue . Otherwise you will not be
ab le to start the engine again once you stop it.
The AdB lue m ust be refilled when the amount in
the tank has reached the minimum level
¢ page 195, Filling Ad Blue .
Incorrect filling/system malfunction
A message appears if the Ad Blue tank was filled
with a fluid other than AdBl ue and the sys tem
h as detec ted t hat the tank was f illed incorrect ly,
or if there is a system malfunction .
Ad Blue/ AdBlue : system fault . No restart in
x mi (x km ) See owner 's manu al
This message appears when it is only poss ible to
drive the d ista nce ind icated in the dr iver informa­
tion system. Drive to t he nearest autho rized Aud i
dealer or authorized Aud i Serv ice Facility to have
Checking and Filling
the mal func tion corrected. Otherw ise the engine
will not sta rt again if you stop it once the dis­
tance indicated has been driven .
Ad Blue: Syst em fault No re start!
See owne r's ma nual
T his message appears if the system has detected
that the tan k was fi lled incorrect ly or tha t there
is a ma lf u nction. Drive immed iate ly to the nea r­
est authorized A udi dealer or authorized Audi
Service Facility to have the malfunction correct ­
ed. Otherwise you will not be able to start the en ­
gine again once you stop it .
Filling AdBlue
Applies to : vehicles wi th selective cat alyt ic re du ctio n
Fi g. 17 8 Right rear side of the vehicle: removing t he AdBl ­
ue cap
The Ad Blue tank open ing is located near the d ie­
se l tank opening . Add at least 1.5 gallons (5 . 7
li te rs) of Ad Blue. This is the m inimum amo unt re­
quired to ensure the system detects the refilling
and to start the eng ine. You can add a max imum
of4.5 gallons ( 17 liters).
Requirement: the request to add Ad Blue mus t
appea r in the ins trument clus ter display.
.,. Switch the ignit ion off .
.,. Open the tank filler door ¢
page 192.
.,. Tur n the cap on the f iller ne ck coun ter-clock­
w ise using the wheel wre nch from the vehi cle
too l kit to remove it¢
fig . 178.
.,.. Fill the AdBlue using a bottle ¢ page 196 or a
canister
¢page 196. ..,.
195

Checking and Filling
& WARNING
AdBlue can irritate the skin, eyes and respira­tory system. If there is contact with the fluid,
flush immediately 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 ­
tives with the Ad Blue and do not dilute it
with 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 tank. There is a
risk of damaging the fuel tank system and
the engine. See an authorized Audi dealer or
authorized Audi Service Facility for assis­
tance.
- AdBlue attacks surfaces such as painted ve­
hicle components, plastic and carpet. Re­
move the fluid as quickly as possible with a
damp cloth and plenty of cold water. If the
Ad Blue has already crystallized, use warm
water and a sponge . AdBlue residue that is
not removed will crystallize and can damage
the affected surface.
- Do not store refill bottles or canisters per ­
manently in the vehicle. If the container
leaks, the escaping AdBlue could damage
the vehicle interior.
- Do not allow AdBlue to come into contact
with clothing. If there is contact with the
fluid , flush immediately with plenty of
wa­
ter.
(j) Tips
Follow the Ad Blue manufacturer 's instruc­
tions for use and storage.
Refilling AdBlue using a bottle
Applies to: vehicles with selective catalytic reduction
... Remove the cap from the refill bottle ¢.&. in
Filling AdBlue on page 196,
c::> (D in Filling
AdBlue on page 196.
196
... Position the bottle on the filler tube and turn
the bottle clockwise until 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 .
... Remove the bottle and seal the filler neck
c::> page 197, Completing AdBlue refill.
d) Note
Only use refill bottles that are approved for
your vehicle. Using other systems can cause AdBlue to leak.
(D Tips
- You can obtain refill bottles from an author­
ized Audi dealer or authorized Audi Service
Facility.
- A permitted refill bottle contains approxi­
mately 0.5 gallon (1.9 liters) of AdBlue.
Refilling AdBlue using a canister
Applies to: vehicles with selective catalytic reduction
®
+®
Fig. 179 Canister w ith attachable hose
... Remove the cover from the refill canister c::> .&.
in Filling AdBlue on page 196 , c::>(D in Filling
AdBlue on page 196 .
.,. Secure the end of the hose the canister @by turning 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 vehicle and turn the hose to the
right to tighten it .
... Lift the canister up and then tip it . Continue
holding the canister in a tipped position until it
1J,,