2018 AUDI A8 Owners Manual

lL t:0 ....
'"" " '"" .... 0 0 :c ' Description
The lower anchorage positions are marked for
quick locating .
Fig. 2 4 5 Rear seatbacks: locator buttons for lower ancho­
rages
i r
F ig. 2 46 Rear seats: lower a nchorage bracket locations
Attachment lo ca tor marker s for lower
a nchorages
Circular locator buttons on the rear seatback in­
d icate the lower anchorage locations on the rear
seating positions
<> fig. 245.
Lowe r an chorages
The lower anchorage attachment points are lo­
cated between the rear seatback and rear seat
cushion
~ fig . 246.
Lower anchorages secure the child restraint in
the seat without using the vehicle's safety belts.
Anchorages provide a secure and easy-to-use at­
tachment and m inim ize the possibility of improp­
er chi ld restraint insta llation.
All child restraints manufactured after Septem­
ber
1, 2002, must have lower anchorage attach­
ments for the
LATCH system .
Remember that the lower anchorage points are
only intended for installation and attachment of
Child s afe ty
child restraints specifically certified for use with
LATCH lower anchorages. Child restraints that
are not equ ipped w ith the lower anchorage at­
tachments can still be installed in compliance
with the chi ld restraint manufacturer's instruc­
t ions on us ing vehicle safety belts.
A WARNING
-
Improper use of LATCH lower anchorages can
cause ser ious personal inju ry in an accident.
- Always carefully follow the ch ild rest raints
manufacture r's instructions fo r proper in­
stallat ion of t he chi ld restraint and proper
use of the lower ancho rages or safety belts
in your vehicle.
- Never secure or attach any luggage o r othe r
items to the
LATCH lower anchorages.
- Always read and heed the important info r­
mat ion about ch ild rest raints in this chapter
and
WARNINGS~ page 249, Child safety.
Guidance fixtures for lower anchorages
Special guidance fixtures increase the conven­
ience of the lower an chorages and are available
from your authorized Audi dealer.
Fig. 24 7 Outer rear seats: installing the guidance fixtures
F ig . 2 48 Close-up: fitting the guidance fixture over the
l ower anchorage bracket
263

Child sa fet y
The lower anchorage attachment points are lo ­
cated on the rear seats between th e seatback and
the seat cushion. Special guidance fixtures in­
crease the convenience of the lower anchorages
and help protect the seat material from possible
damage when instal ling ch ild restraints.
In stall ing the guidance fi xtu re s
.,. Push down on the seat cushion so that the low ­
er anchorages are visible .
.,. Hold the guidance fixture with the part number
facing downward and push it in the d irection of
the arrow onto the anchorage
c> fig . 248 .
.,. Make su re that each of the two guida nce fix­
tures per seat snaps i nto place.
Remo ving th e guidance fixtures
.,. Remove the ch ild restraint acco rding the ch ild
restra int manufacturer's instructions.
.,. Push down on the seat cushion so that the low­
er anchorages a re v is ible .
.,. Pull off the g uidance fixtures from the lower
an chorages.
.,. A lways remove the guidan ce fix tures and keep
them in a safe p lace when not in use .
You may find it easier to install ch ild restrain ts
eq uipped w ith hooks a ttached to straps withou t
the guidance f ix tu res in place . If th is is the case,
remove the g uidance fixtures by pu lling them off
the anchorages . However, the guidance f ixtures
can help you to locate the
LA TCH anchorages.
A WARNING
Improper use of tether anchorages or lower
anchorages can cause serious personal injury
in a crash .
- Always carefully follow the child restra int
manufacturer's instruct io ns for proper in­
stallation and use of child restra int systems .
- Never use the
LATCH or tether anchorages
to attach safety belts or other kinds of occu ­
pant restrai nts .
- Child restra int tether attachments and low­
er attachments are only des igned to secure
a c hild restraint that has been equ ipped to
use these anchorages .
264
"
-Tet her anchorages a nd lower anchorages
are designed to withstand only those loads imposed by correct ly fitted child restraints.
Under no circumstances can they be used
safe ly for adult or ch ild safety bel ts or har­
nesses .
- Never mount more than one child restraint to a sing le tet her or to a lower anchorage
point . Attaching two child restra ints to a
sing le anchorage poin t ca n cause the a n­
chorage to fail and c ause ser io us perso nal
in jury in a crash .
(D Note
- Remove the guidance fixt ures before fold­
ing the re ar seatba ck to preven t damag ing
the seat c ushion .
- T o attach the c hild rest raint se curely, the
s ea t must be moved to the farthest rea r po­
sit io n, the sea t height se t to t he lowest po­
sitio n and the hea d rest raint must be a d­
justed to the vertical position.
-I f you leave t he gu idance fixture s installed
for several days, they could leave a mark on
the u pholstery on the seat cushion and
backrest in the area that the guidance fix­
t u res were insta lled. T he upholstery wo uld
also be perma nently st retched around the
guidance fixt ures. This applies especially to
leather seats .
Installing a child restra int w ith LATCH
lower anchorages
Whenever you install a child restraint always fol­
low the child res traint manufa cturer's instru c­
tions.
Fig. 249 Lower ancho rages : pro per m ount ing

lL t:0 ....
"' ......
"' .... 0 0 :c ' Mounting
.,. Make sure the seatback of the rear seat bench
is in the upright position and securely latched
in place .
... Attach both hook -on connectors with the spring
catch release on the child safety seat onto the
LATCH lower anchorage so that the connectors
lock into place
¢ fig. 249.
... Pull on the connector attachments to make
sure they are properly attached to the LA TC H
l ower anchorage.
.,. Pull straps tight fo llowing the child restra int
manufacturer's instructions.
Releasing
... Loosen the tension on the straps following the
child restraint manufacturer's instruct ions .
.,. Depress the spring cat ches to release the an­
chorage hooks from the lower anchorages.
Remember: Use tether straps to help keep the
chi ld restraint firm ly in place .
.&, WARNING
Improper use of the LATCH sys tem can in­
crease the risk of serious personal injury and
death in an acc ident .
- T hese anchors were deve loped only for child
safety seats using the "LATCH" system.
- Never attac h other child safety seats, belts
o r othe r ob jects to these anchors.
- Always ma ke sure that you hear a click when
latch ing the seat in place.
If you do not hear
a click the seat is not secure and could fly
f orward and hit the interior o f the vehicle,
or be ejected from the vehicle .
.&, WARNING
Improper installation of child restraints will
increase the r isk of injury in an acc ident.
- Always follow the child restra int system
man ufactu rer's instruct ions for proper in­
sta llation of the child restraint system and
proper use of tether straps as well as the
lower anchorages or safety be lts in your ve­
hicle .
- Always read and heed the important infor­
mation and WARNINGS about child safety
Ch ild s afe ty
and the installat ion of child restraint sys­
tems
¢ page 249, Child safety .
(D Note
On vehicles with power adjustable rear seats*
some criteria must be observed when attach­ ing the child restraint using the
LATCH sys­
tem:
- To attach the child restraint securely, the
seat must be moved to the farthest rear po­
sition, the seat height set to the lowest po­
sition and the head restraint must be ad­
justed to the vertical position.
- If a child safety seat is attached to one of
the rear seats, th is seat must not be adjust­
ed using the power controls under any c ir­
cumstances. The
Entry as sis tance for this
sea t must also be deactivated in the MM I
¢ page 58. The child safety seat as well as
the rear seat can be damaged by the adjust­ ment process.
Tether anchors and tether straps
F ig. 250 Tether ancho rs: recess flaps behin d the rear seat­
backs
The tether anchors for the two* /three rear seat­
ing pos it ions are located in recesses in the rear
window
shelf ¢ fig. 250. Vehicles with two rear
seating pos itions* are equipped with two tether
anchors .
A tether is a straight or V-shaped strap that at­
taches the top part of a ch ild restraint to special
anchorage points in the veh icle.
The purpose of the tether is to reduce the for­
ward movement of the chi ld restraint in a crash,
in order to help reduce the risk of head injury
..,_
265

Child safety
that could be caused by striking the vehicle inte­
rior .
Forward facing child restraints manufactured af­
ter September 1, 1999, are required by U .S. fed­
eral regulations to comply with new child head
movement performance requirements. These
new performance requirements make a tether
necessary on most new child safety seats .
A WARNING
Improper installation of child restraints will
increase the risk of injury and death in a
crash.
- Always follow the instructions provided by
the manufacturer of the child restraint you intend to install in your Audi .
- Improper use of child restraint anchors (in ­
cluding tether anchors) can lead to injury in
a collision . The anchors are designed to
withstand only those loads imposed by cor­ rectly fitted child restraints.
- Never mount two child restraint systems on
one LATCH lower anchor point.
- Never attach two child restraint systems to
one tether strap or tether anchorage.
- Never attach a tether strap to a tie-down
hook in the luggage compartment.
- Never use child restraint tether anchorages
to secure safety belts or other kinds of occu­ pant restraints.
- Never secure or attach any luggage or other
items to the LATCH lower anchorages or to
the tether anchors.
- If a tether or other strap is used to attach a
child restraint to the front passenger seat,
make sure that it is not so tight, that it
causes the weight-sensing mat to measure
more weight than is actually on the seat.
- The heavier weight registered can make the
Advanced Airbag System work as though an
adult were on the seat and deploy the Ad­
vanced Airbag when it must be suppressed causing serious or even fatal injury to the
child.
- If you must install a rearward facing child
safety seat on the front passenger seat be­
cause of exceptional circumstances and the
266
'
PASSENGER AIR BAG OFF light does not
come on and stay on, immediately install
the rear-facing child safety seat in a rear
seating position and have the airbag system
inspected by your Audi dealer .
Installing the upper tether strap on the
anchorage
Fig. 251 Tet her s trap: pro per routing an d mo unting
Installing the tether strap
.,. Release or deploy the tether strap on the child
restraint according to the child restraint manu­
facturer's instructions .
.,. Guide the upper tether strap under the rear
head
restraint ~ fig. 251 (raise the head re­
straint if necessary). For child restraints with V­
tether straps, always make sure that the head
restraint guide rods do not interfere with any
part of the top tether strap .
.,. Center seating position*: Guide the upper teth­
er strap over the rear head restraint.
.,. Tilt the recess flap up to expose the anchor bracket .
.,. Attach the tether strap anchorage hook into
the opening of the tether anchorage .
.,. Pull on the tether strap hook so that the spring
catch of the hook engages.
.,. Tighten the tether strap firmly following the
child restraint manufacturer's instructions.
Releasing the tether strap
.,. Loosen the tension following the child restraint
manufacturer's instructions .
.,. Depress the spring catch on the hook and re­
lease it from the anchorage.

u. co .... N
" N .... 0 0 :c ' @ Note
If you leave the child restraint with the tether
strap firm ly installed for severa l days, this
could leave a mark on the upholstery on the
seat cush ion and backrest in the area where
the tether strap was installed . The upholstery
would also be permanently stretched around
the tether strap . This applies especially to
leather seats .
Using tether straps on rearward-facing
child restraints
Current ly, few rear-facing chi ld restraint systems
come with a tether. Please read and heed the
child rest raint sys tem manufacturer 's instruc­
tions carefully to determine how to properly in­
stall the tether .
A WARNING
A child in a rea rward-facing ch ild safety seat
installed o n the fro nt passenge r seat w ill be
ser ious ly injured and can be killed if t he fron t
airbag infla tes -even w it h a n Advanced A irbag
System.
- T he inflat ing air bag w ill hit t he chi ld safety
sea t or infan t carrie r wi th g reat force and
wi ll smash the chi ld safety seat and chi ld
against t he backrest, center armrest, o r
door .
- A tight tether or other strap on a rearward ­
facing child restraint attached to the front
passenger seat can put too m uch pressure
on the weight-mat in the seat and register a
heav ier weight in the Advanced Airbag Sys­
tem . The heav ier we ight registered can
make the system wo rk as though an adult
we re o n the seat and deploy the Adva nced
Airbag whe n it mus t be sup pressed ca u sing
ser ious o r even fa tal injur y to the c hild.
-If you must install a rearward fac ing c hild
safety seat on t he front passenger seat be ­
ca use of exceptiona l circumst ances and the
PASSENGER AIR BAG OFF lig ht does not
come on and stay on, immediate ly install
the rear-fac ing ch ild safety seat in a rear
seat ing pos it ion and have the airbag system
inspected by your Audi dealer.
Ch ild saf ety
Additional information
Sources of information about child
restraints and their use
T here are a number of sources o f additional in ­
formation about child restraint se lection, instal ­
l ation and use :
N HT SA advises that the best ch ild safety seat is
the one that f its your child and fi ts in your vehi ­
cle, and that you wi ll use correct ly and consis ­
tent ly.
T ry befo re yo u buy!
U.S . National Highway Traffic S afet y A dminis­
tration
T el. : 1-888-3 27- 42 36 ( TTY: 1-800 -424-9153)
http:/ /www.nh tsa.gov
http:/ /www.sa ferca r.gov
National SAFE KIDS Camp aig n
Tel. : (202) 66 2-0600
http:/ /www.safekids .org
Safety BeltSaf e U.S .A
Te l.: (800) 745 -SA FE (E nglish)
T el. : (800) 747-SANO (Spanish)
http://www.ca rsea t.o rg
Tran sport C anada Information Centre
Tel. : 1-800-333-0371 o r ca ll 1 -613-998-86 16 if
yo u are in the Ottawa area
http://www.tc.gc.ca/ eng/ roadsafety/men u. h tm
Audi Cu stomer Relation s
Tel.: (800) 822-2834
267

Checking and Filling
Checking and Filling
Gasoline
Fuel supply
Applies to: vehicles with gasoline engine
Using the right fuel helps keep the environment
clean and prevents engine damage .
Fuel recommendation
The fuel recommended for your vehicle is unlead­
ed premium
grade gasoline . Audi recommends
using TOP TIER Detergent Gasoline with a mini­
mum octane rating of91 AKI (95 RON). For more
information on TOP TIER Detergent Gasoline,
please go to the offic ial website
(www.toptiergas .com).
The recommended gasoline octane rat ing for
your engine can also be found on a label located
on the ins ide of the fuel filler flap. This rating
may be specified as AK I or RON .
Your veh icle may also be operated using unlead­
ed regular gasoline with a minimum octane rat ­
ing of 87 AKl/91 RON . However, using 87 AKI/91
RON octane fuel w ill slightly reduce engine per­
formance.
Use unleaded gasoline only. Unleaded gasoline
is available throughout the USA, Canada, and in
most European countries. We recommend that
you do not take your vehicle to areas or count ries
where un leaded gasoline may not be available.
For more information on refueling your vehicle,
see
~ page 269 .
Octane rating
Octane rating indicates a gasoline's ability to re­
sist engine damaging "knock" caused by prema­
ture ignit ion and detonation . T herefore, buy ing
the correct grade of gasoline is very important to
he lp prevent possible engine damage and a loss
of eng ine pe rformance.
Gasoline most commonly used in the United
States and Canada has the following octane rat­
ings that can usually be found on the filler pump:
- Premium Grade: 91 - 96 AKI
268
-Regular Grade: 87 -90 AK I
Explanation of the abbreviations :
AKI =
Anti Knock Index = (R +M)/2 = (RON +MON)/
2
RON = Research Octane Number
MON= Motor Octane Number.
@ Note
- Do not us e any fuel with octane ratings low­
er than 87 AKI or 91 RON otherwise expen­
sive engine damage will occur .
- Do
not us e leaded gasoline. The use of lead­
ed gasoline will severely damage your vehi ­
cle's catalytic converter and its ability to
contro l exhaust emissions .
Blended gasoline
Applies to: vehicles with gasoline engine
Use of gasoline containing alcohol or MTBE
(methyl tertiary butyl ether)
You may use unleaded gasoline blended with al­
cohol or MTBE (commonly referred to as oxygen ­
ates) if the blended mixture meets the follow ing
criteria :
Blend of gasoline methanol (wood alcohol or
methyl alcohol)
-Anti -knock index must be 87 AKI or higher.
- Blend must contain no more than 3% metha-
nol.
- Blend must contain more than 2% co-solvents.
Blend of gasoline and ethanol (grain alcohol or
ethyl alcohol)
- Anti-knock index must be 87 AKI or h igher .
- Blend must not conta in more than 15% etha-
nol.
Blend of gasoline and MTBE
-Anti -knock index must be 87 AK I or h igher.
- Blend must not contain more th an 15% MTBE.
Seasonally adjusted gasoline
Many gasoline grades are blended to perform es­
pecially well for winter or summer dr iv ing . Dur-
i ng seasonal change-over, we suggest that you
IJIJ,

u. co .... N
" N .... 0 0 :c ' fill up at busy gas stations where the seasona l
adjustment is more like ly to be made in time .
@ Note
-Methanol f uels whi ch do not meet 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 c hapter.
- If you are unable to determine whether or not a particular fue l 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 ­
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
Applies to: vehicles with gasoline engine
A majo r concern among many auto manufactur ­
ers is carbon deposit build-up caused by the type
of gasoline you use.
A lthough gasoline grades d iffer from one manu­
facturer to another, they have cer tain 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) .
Check ing and F illing
A fter an extended period of using inadequate
fuels, carbon deposit bui ld-ups can rob your en ­
gine of peak performance.
@ Note
Damage or ma lf u nction due to poor fue l qual ­
ity is not covered by the A udi New Vehicle
L imited Warranty .
Refueling
Fuel filler neck
The fue l filler neck is located on the rig ht rea r
s ide panel behind the fuel fille r flap .
If the power lock ing system should fa il, yo u can
st ill open the flap manually - fo r detailed instruc­
tions see
~page 271.
You can find the fuel tank capacity of your vehicle
i n
~ page 334 .
The label on the inside of the fuel filler flap tells
you the correct fuel for your vehicle. For more in­
format ion about fuel spec ificat ions, see
~ page 268 .
Your vehicle fuel tank has an onboard refuelling
vapor recovery system. T his feature helps to pre­
vent fuel vapors from escaping from the tank and polluting the environment wh ile you refuel your
vehicle. In o rder to fill the tank proper ly w hile
prote ct ing t he env ironment, p lease follow t his
r ef uel ing p rocedure carefully.
& WARNING
= -
Unde r normal opera ting condi tions, neve r ca r­
r y additional f uel containers in your car. Gas
canisters and other containers used to trans ­
port fue l can be dangerous. Such containers,
f u ll or empty, may leak and could cause a fire
i n a collision. If you must transport fuel to
use for your lawn mower, snow blower, etc.,
be ve ry ca refu l and always observe loca l a nd
state laws rega rding the use, transpo rta tion
a nd stor age of su ch f uel con tainers. Make cer ­
t ai n t he co nta iner meets indus try standards
(A NSI/AS TM F8S2 - 86) .
269

Checking and Filling
(D Note
Never drive your vehicle until the fuel tank is
completely empty. The irregular supply of
fuel can cause m isfiring. Gasoline cou ld enter
the exhaust system and damage the catalyt ic
converter.
Fueling procedure
Fig. 252 Right re ar side of the vehicle: open ing the fue l
filler door
F ig. 253 Fue l filler doo r w it h attac hed fuel cap
The f uel fi ller door is unlocked or locked by the
central lock ing system.
Opening the fuel cap
• Presson the left s ide of the fuel filler door to
open
¢ fig . 252 .
• Unscrew the tank cap counterclockw ise.
• Place the cap from above on the open fue l filler
door
¢ fig. 253.
Clo sing th e fu el cap
• Screw the tank cap on to the r ight on the filler
neck until it cannot turn any farther .
• Close the fuel filler door and then press on the
left side until it latches.
270
Once the pump nozzle switches off, the fuel tank
is "full". Do not fill the tank more. Otherwise the
expans ion space in the tank w ill be filled.
The correct fuel type for your vehicle can be
fo und on a label located on the inside of the fuel
filler door . For additional information on fuel,
see ¢
pag e 268.
The fuel tank capacity of your veh icle is listed in
the
T echn ical Dat a section ¢ page 334.
To avo id fuel spilling or evaporat ing from the fuel
tank always close fue l cap prope rly and com­
plete ly. An improper ly closed f uel fi ller cap may
also cause the M IL lamp ¢
page 25 to come on.
A WARNING
Not pay ing attention when fueling or han ­
dling fuel incorrectly can lead to fires, explo­
sions or serious injur ies.
- Fue l ignites easily and can cause serious
burns and other injur ies.
-
- If you do not switch the engine off when fu­
eling and/or do not insert the fuel nozzle
completely into the tank open ing, fuel can
leak out or run over. Leaked fuel can ignite
and start a fire .
- Do not use the telephone while fueling . The
electromagnetic rays can cause sparks,
which can ignite fuel vapors and start a fire .
- Do not sit in your vehicle wh ile fueling. If
you must make an exception and enter your
veh icle again while fueling, close the door
a nd touch metal to d ischa rge stat ic elect ric­
ity before to uching the f uel no zz le. Static
e lec tricity ca n create spa rks, which ca n ig ­
n ite vapors when fueling.
- Do not smoke or have an open flame in the
a rea whe n fue lin g you r veh icle or filling a
fue l container because this increases the
risk of an explosion.
- F or your safety, carrying fuel containe rs in
your veh icle is not recommended . Whet her
fu ll or empty, the container can leak and
cause a fire in the event of an accident.
- If you must make an exception and trans­
port a fuel container, note the fo llowing: