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the front passenger seat . Always make sure that
the safety belt for the front passenger seat is
properly fastened.
Th e PASSENGER AIR BAG OFF light will show
the status of the front seat p assenger' s fr ontal
Ad vanced Airbag a few se cond s after the igni·
tion i s swit ched on and the ai rbag in d icator
light goes off . The PA SSEN GER AIR BA G OFF
light :
-will stay on if the front passenger seat is not
occupied;
- wi ll stay on if the electrical ca pacita nee meas
ured by the capacit ive passenger detection sys
tem for the front passenger seat equals the combined capacitance of an infant up to about
one year of age and one of the rearward-facing
o r fo rwa rd-facing ch ild restraints listed in Fed
era l Moto r Vehicle Safety Standard 208 w it h
wh ich the Advanced Airbag System in your veh i
cl e was certified; Fo r a listing of the child re
straints that were used to certify you r vehicle 's
compliance with the U.S. Safety Standard
¢ page 211 .
-will go out if the front passenger seat is occu
pied by an adult as registered by the capacitive
passenger detection system .
- The
PASSENGER AIR BAG OFF light must come
on and stay on if the ignition is on and ...
- a car bed has been insta lled on the front pas
senger seat, or
- a rearward-facing child restrai nt has been in
sta lled on the front passenger seat, or
- a forwa rd-facing child restra int has bee n instal
l ed on the front passenge r seat,
- and if the e lectr ic al capaci tance registered on
the front passenger seat is equal to or less than
the combined capacitance of a typical 1 year o ld infant and one of the rearward-facing or
forward -facing chi ld restraints listed in Federal
Motor Vehicle Safety Standard 208 w ith which
the Advanced Airbag System in your vehicle was
certified.
If the front passenger seat is not occupied, the
front airbag w ill not deploy, and the
PA SSENGER
AIR BAG OFF
light will stay on. Never install a
rearward -fac ing ch ild restraint on the front pas-
Airb ag sys tem
senger seat, the safest place for a chi ld in any
kind of child restraint is at one of the seating po
s itions on the rear seat¢
page 185, Child re
straints on the front seat -some important
things to know
and ¢ page 209, Child safety .
If the PASSENGER AIR BAG light comes
on ...
If the PA SSEN GER AIR BAG OFF light comes on
when one of the conditions listed above is met,
be sure to check the light regu larly to make cer
ta in that the
PASSENGER AIR BAG OFF l ight
stays on continuously whenever the ignition is
on. If the
PASSENGER AIR BAG OFF li ght does
not appear on and does no t stay on a ll the time,
stop as soon as it is safe to do so and
- react ivate the system by turning the ignit ion
off for more than 4 seconds a nd then turn ing it
on again;
- remove and re insta ll the chi ld restraint. Make
sure that the chi ld restraint is properly insta l
led and that the safety belt for the front pas
senger seat has been correct ly routed through
the child restraint as described in the c hild re
straint manufacturer's instructions;
- make sure that the convertible locking retrac
tor on the safety belt for the front passenge r
seat has been activated and that the safety belt has been pulled tight.
- make sure that no e lectr ica l device (such as a
laptop, CD player, e lectron ic games device,
power inverter or seat heater for ch ild seats) is
placed or used on the fro nt passenger seat if
the device is connected to the 12-volt socket or
the c igarette lighter socket;
- make sure that no seat heater has been retro
fitted or othe rw ise added to the front passen
ger seat;
- make sure that not hing can inte rfere with the
safety belt buckles and that they are not ob
structed;
- make sure that there are no wet objects (such
as a wet towe l) and no water or other liquids on
the front passenge r seat cushion. .,..
197
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Your vehicle is equipped with a front "Advanced
Airbag System" in compliance w ith United States
F edera l Motor Vehicle Safety Standard ( FMVSS)
208, as well as Canada Motor Vehicle Safety
Standard (CMVSS) 208 as applicable at the time
your veh icle was manufactured.
The Advanced Airbag system in your vehicle has been certified to meet the "low-risk" require
ments for 3- and 6-year old children on the pas
senger side and small adults on the driver side.
The low risk deployment criteria are intended to
reduce the risk of injury through interaction with
the airbag that can occur, for example, by being
too close to the steering wheel and instrument panel when the airbag inflates. In addition, the
system has been certified to comply with the
"s uppress ion " req uirements of the Safety Stand
a rd, to turn off the front ai rbag for infants up to
12 months who are restrained on the front pas
senger seat in child restraints that are listed in
the Standard.
E ven though your vehicle is equipped with an Ad ·
vanced Airbag system, all children, especially
those 12 years and younger, should always ride
in the back seat properly restra ined for their age
and si ze. The airbag on the passenger side makes
the front seat a potentially dangerous place for a
child to r ide . The front seat is not the safest place
for a child in a forward-facing child safety seat .
It
can be a very dangerous place for an infant or a
l arger child in a rearward -facing seat.
The vehicle's Advanced A irbag System has a ca
pac itive passenger detect io n system in the front
passenger seat cush ion that can detect the pres
ence of a baby or a child in a ch ild restraint sys
tem on this seat .
The capacit ive passenger detection system regis
ters the changes that result in an electrical fie ld
when a ch ild, a child restra int, and a baby blanket
are on the front passenge r seat. The change in
the measured capacitance due to the presence of
a child, a child restraint, and a baby b lanket on
the front passenger seat is related to the child restraint system resting on the seat. The meas
ured capacitance of a child restraint system var-
Ch ild safety
ies depending on the type of system and specific
make and mode l.
T he elect rical capac itance of the va rious types,
makes, and models of chi ld restra ints specified
by the U.S .National Highway Traff ic Safety Ad
ministration (NHTSA) in the relevant safety
standard are stored in the Advanced Airbag Sys
tem control unit together with the capacitances
typ ical of infants and a 1-year old child. When a
child restraint is used on the front passenger
seat w it h a typical 1 year-old infant, the Ad
vanced Airbag System compares the capacitance measured by the capacitive passenge r detection
system with the data stored in the electronic co n
t rol unit.
Child restraints and Advanced front airbag
system
Regardless of the ch ild restraint that you use,
make sure that it has been certified to meet Safe
ty Standards and has been cert ified by its manu
facturer for use w ith an airbag . Always be sure
that the c hild rest raint is p roperly installed at
one of the rear seating positions . If in exception
al circumstances you must use it on the front
passenge r seat, carefu lly read a ll of the informa
tion on child safety and Advanced Airbags and heed all of the applicable WARNINGS . Make cer
tain that the chi ld and child restraint are correct
ly recognized by the capac itive passenger detec
t ion system in the front passenger seat, that the
front passenger a irbag is turned off, and that the
airbag status is always correctly s ignaled by the
PASSENGER AIR BAG OFF light .
Many types and models of child restra ints have
been available over the years, new models are in
troduced regu larly incorporating new and im
proved designs and older models a re take n out of
production. Child restra ints are no t standa rdized.
Child res tra ints of the same type typically have
different weights and sizes and different "foot
prints", the size and shape of the bottom of the
chi ld restraint that sits on th e seat, when they
are installed on a vehicle seat. These d ifferences
make it virtually impossib le to certify compliance
with the requirements for advanced a irbags w ith
each and every child restra int that has ever been ..,.
21 1
Child safet y
sold in the past or will be sold ove r the course of
the useful life of your vehicle.
F or this reason, the U nited States National High
way Traffic Safety Adm inis tration has p ublished a
list of specific type, makes and models of child
restraints that must be used to certify compli
ance of the Advanced Airbag System in your vehi
cle with the suppression requ irements of Federal
Motor Vehicle Safety Standard 208. These child
restraints are:
Subpart A - Car bed child re straint s
Model Manufactured on or
after
Angel Guard Angel September 25, 2007
Ride AA2403FOF
Subp art B -Rear-facing child restr aint s
Model Manufactured on or
after
Century SmartFit 4543 December 1, 1999
Cosco Arriva September 25, 2007
22-013PAW and base
22-999WHO
E venflo Discovery Ad- December 1, 1999
jus t Right 21 2
Evenflo First Cho ice December 1, 1999
204
Graco Infant 8457
December 1, 1999
Graco Snug ride September 25, 2007
Peg Perego Primo V iag- September 25, 2007
gio SIP IMUNOOUS
Subpart C - Forward -facing and convertib le
child restraint s
Model Manufactured on or
after
Britax Roundabout September 25, 2007
E9L02xx
Cosco Touriva 02519 December 1, 1999
Cosco S umm it Deluxe September 25, 2007
High Back Booste r
2 2-262
Cosco High Back Boos- September 25, 2007
ter 22-209
212
Model Manufactured on or
after
Evenflo Tribute V September 25, 2007
379xxxx
E venflo Meda llion 254 December 1, 1999
Evenflo Generat ions September 25, 2007
352xxxx
Graco ComfortSport September 25, 2007
Graco Toddler Safety September 25, 2007
Seat Step 2
Graco Plat inum Cargo September 25, 2007
A WARNING
To reduce the risk of serious injury, make sure
that the
PASSENGER AIR BAG OFF light
comes on and stays on whenever a ch ild re
stra int is installed on the front passenger seat
and the ign ition is swi tched on.
- Take the child restra int off the front passen
ge r seat and install it prope rly at one of the
rear sea t positions i f the
PASSENGER AIR
BAG
OFF light does no t stay on .
-Have the ai rbag system in spec ted by y our
author ized Audi dealer immed iate ly.
(D Tips
The child seats listed in categor ies A to C have
been statically tested by Audi only for the Ad
van ced A irbag fun ction.
Important safety instructions for using
child safety seats
Correct use of child safety sea ts substantially re
duces the risk of injury in an accident!
As the dr iver, yo u are responsib le for the safety
of eve rybody in the veh icle, e speci ally childre n:
.,. Always use the right c hild safety seat for each
child and always use it properly
~ page 215.
.,. Always carefully follow t he chi ld safety seat
man ufac turer's ins truc tions on how to route
t he sa fety belt properly th ro ugh the ch ild safe
ty seat.
.,. When using the vehicle safety belt to install a
child sa fety seat, yo u must first activate the
convertib le locking retracto r on the safety belt
Ill-
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¢ page 242, Adding engine oil
The cata lytic converter is an efficient "clean -up"
device bui lt into the exhaust system of the vehi
cle. The catalytic converter burns many of the
pollutants in the exhaust gas before they are re
leased into the atmosphere.
The exclusive use of unleaded fue l is critica lly im
portant for the life of the catalytic converter and
proper functioning of the engine.
A WARNING
The temperature of the exhaust system is
high, both when driving and after stopping
the engine.
- Never touch the exhaust tail pipes once they
have become hot. This could result i n burns .
- Do not park or operate the vehicle in areas
where the hot exhaust system may come in
contact with dry grass, brush, fuel spill or
other material which can cause a fire .
-Do not apply additional undercoating or
rustproofing o n or near the exhaust mani
fold, exhaust pipes, catalytic converte r o r
heat s hields. During dr iving, t he substance
used for under coati ng could ove rheat and
c ause a fire.
(D Note
- Be aware that just one tank filling with
leaded fue l wi ll al ready ser iously degrade
the pe rformance of the ca talytic converter.
- Do not ex ceed the correct eng ine o il level
~page 242.
- Do not d rive until the fuel tank becomes
complete ly empty. The engine co uld m is
fire. Unburned fuel could also get in to the
exhaust system and this co uld cause t he
cata lytic converter to overheat .
- Do no t sw itch off t he igni tion while t he vehi
cle is moving.
- Do no t continue to operate your vehicle un
der these cond it ions, as othe rwise fue l can
reach the catalytic converter. This cou ld re
su lt in overheating of the converter, req uir
i ng its replacement.
Ch eck ing and Filling
-To ass ure eff icient operat ion of the Emis
sion Contro l System:
- Have yo ur vehicle maintained p roperly and
i n accordance with the serv ice recommen
dat ions in yo ur War ranty
& Ma intenance
booklet.
- L ack of proper ma intenance as well as im
p roper use of the ve hicle will impa ir the
f u nction of t he emission control system
a nd could lead to damage.
~ For the sake of the environment
Eve n when the Em iss ion Control System is op
era ting properly, t he exhaus t gas can have a
su lf ur -li ke exhaus t gas sme ll under some op
erating s tates . This depends on the sul fur
content of the fuel being used. Using a differ
ent brand of fuel may help, or fi lling the tank
with lead-free super grade gasoline.
Diesel particulate filter
Appl ies to vehicles: wit h diesel eng ine
The diese l particu late filter filte rs nearly all of
the soot part icles out of the exhaust. The filter
cleans itself automatically under norma l driving
condit ions. If the filter cannot clean itself (for ex
amp le, because yo u are o nly dr iving short distan
ces), the filte r becomes clogged with soot and
the
II symbol fo r the diese l par ticu late filter il
l u minates
¢page 23.
A WARNING
-Do not park your veh icle over flammab le
materia ls such as grass or leaves because
the high temperature of the diesel particu
late filte r cou ld start a fi re.
-
- Do not app ly an underbody protectant in the
exhaust system area or a fire could start .
233
Checking and Filling
cont inue driving. See an authorized Audi deal
er or authorized Audi Service Facility for assis
tance .
Radiator fan
The radiator fan switches on outomotico/ly by it
self.
An auxiliary elect ric radiator fan sw itches on and
off depend ing on coolant temperature and other
vehicle operating conditions.
After you switch the engine off, the auxiliary fa n
can cont inue runn ing fo r up to 10 minutes -even
with the ignition off . It ca n even switch on again
later by itself¢.&. , if
- the temperature of the engine coolant r ises due
to the heat bu ild -up from the engine in the e n
gine compartment, or
- the engine compartment heats up because the
vehicle is parked in intense sunlight .
A WARNING
-To reduce the risk of pe rsonal injury never
touch the radiator fan .
- The auxiliary electric fan is temperature
controlled and can switch on suddenly even
when the eng ine is not running.
- The auxiliary radiator fan switches on auto
matically when the engine coo lant reaches a
certain tempe rature and w ill cont inue to run
until the coolant temperature drops.
Brake fluid
Checking brake fluid level
F ig . 19 9 Engine co mpar tment: cove r o n t he b rake fluid
r e servo ir (example)
246
-
Before yo u check any thing in the engine compart
ment,
always read and heed all WARNINGS
¢ page 236, Working in the engine comport
ment .
.,. Read the brake fluid level from the brake f luid
reservoir ¢
fig. 199, ¢ page 239, fig. 193 (ga
soil engine) or ¢
page 240, fig. 194 (diesel en
gine). The brake fluid level must be between
the "MIN" and "MAX" markings .
The location of the brake fl u id reservoir can be
seen in the engine compartment i llustration
q page239.
The fluid level may drop slightly after some time
due to t he automatic adjustment of the brake
pads. This is not ca use for a larm.
If t he brake fluid level falls considerably below
the "M IN" mark, the brake warning/indicator
li ght ~ (U.S. models)
I. (Canadian models)
will come on
q page 18 . Do not continue to oper
ate the vehicle . The complete brake system
shou ld be thorough ly checked by an authorized
Audi dealer or other qualified fac ility and the
cause corrected .
If the brake fl uid level is too
l ow, the bra ke war ning/ indicato r light w ill illumi
na te. Cont act an a uthor ized Audi dealer
immedi
atel y.
Changing brake fluid
Have the brake fluid changed by an experienced
technician.
B rake fl uid abso rbs moistu re from the air. If the
wa ter con ten t in the brake fluid is too high, cor
r osion in the bra ke system may res ult after ape
riod of time. The boi ling po int of the brake fluid
will a lso decrease considerably and decrease
bra king performance.
Therefore, the bra ke fluid m ust be changed
every
two year s. Always use new brake f luid which con
forms to Federa l Motor Vehicle Standard " FMVSS
116 DO T 4" .
The brake fluid reservoir can be diffic ult to reac h,
the refore, we recommend that you have t he
brake fluid changed by your author ized
Audi
dealer .
Your dealer has the correct tools, the
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you.
A WARNING
- Brake fluid is poisonous. It must be stored
only in the closed original container out of
the reach of chi ldren!
- Brake failure can resu lt from old or inappro
priate brake fluid. Observe these precau
t ions:
- Use only brake flu id that meets SA E speci
fication
J 1703 and conforms to Federal
Motor Vehicle Standard 116. Always check
with your authorized Audi dealer to make
sure you are using the correct brake fluid.
The correct type of brake fluid is also indi
cated on the brake flu id reservoir.
- The brake fluid must be new. Heavy use of
the brakes can cause a vapor lock if the
brake fluid is left in the system too long.
This can ser iously affect the efficiency of
the brakes as well as your safety. This
could result in an acc ident.
(D Note
Brake fluid w ill damage the pa int of your vehi
cle.
For the sake of the environment
Because of the prob lem of proper disposal of
brake flu id as well as the special tools re
quired and the necessary expertise, we rec
ommend that you have the brake fluid
changed by your author ized Audi dealer.
Battery
General information
All work on the battery requires expert knowl
edge.
Read and foll ow t he WARNING S before check
ing anything in the engine compartment
¢ page 236, Working in the engine comport
ment.
Ch eck ing and Filling
Plug -in hybrid drive* : you can find important in
formation about the high -vo ltage battery under
¢ page 98.
The battery in yo ur Audi does not need any ma in
tenance under
normal operating conditions . Audi
recommends having the electrolyte level check
by an authorized Audi dealer or author ized Audi
Service Facility when there are
high outside tem
peratures or when dr iving all day. The e lectrolyte
level should also be checked each time the bat
tery is charged¢
page 249.
Have the battery checked when you bring your ve
hicle in for an inspection. It is a good idea to re
place the battery if it is more than 5 years old.
D uring certa in types of a irbag deployments, the
battery is d isconnected from the veh icle electri
cal system for safety reasons¢
& in Repair, core
and disposal of the airbags on page 199.
Di sco nnecting the battery te rminal s
The battery should not be disconnected. Several
vehicle functions (power windows, for example)
will be lost when the battery is disconnected. The
funct ions must be reprogrammed after connect
ing the battery. To avoid this, the battery should
only be disconnected from the vehicle electrical
system when it is absolutely necessary.
To reprogram the functions, proceed as follows:
Function Reprogramming
Power window one-¢ page 44, Correcting
touch up/down func-power window molfunc-
tion tions
Remote control key or
If the vehicle does not
Convenience key react to the key, it must
be synchronized
¢page 37
Dig ita l clock ¢page 10
ESC indicator light The indicator light goes
out after driving a few
meters
247
Tires and wheels
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.
Cold tire inflation pressure
means the tire pressure recom
mended by the vehic le manufac
turer for a tire of a designated
size that has not been driven for more than a couple of miles (kilo
meters) at low speeds in the
three hour period before the tire pressure is measured or adjusted.
Curb weight
means the weight of a motor ve
hicle with standard equipment in
cluding the maximum capacity of
fuel, oil, and coolant, air condi
tioning and additiona l weight of
op tional equipment.
E x tra load tire
means a tire designed to operate
at higher loads and at h igher in-
2 56
flation pressures than t he corre
sponding standard tire. Extra load
tires may be identified as "XL",
"xl" , "EXTRA LOAD" , or "RF" on
the sidewall.
Gross A xle 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 max im um total loaded
weight of the vehicle .
Groove
means the space between two ad
jacent tread ribs .
Load rating (code)
means the maximum load tha t a
tire is rated to carry for a given in
flation pressure. You may not find
this informat ion on all tires be
cause it is not required by law .
Maximum load rating
means the load rating for a tire at
t he maximum permissible infla
tion p ressure for that tire .
Maximum loaded vehicle
weight
means the sum of:
traction under those conditions. We suggest you
use the recommended snow or all-season tires
specified for your vehicle, or their equivalent.
Refer to
q page 269 for more detai led info rma
tion regarding winter tires.
Uniform tire quality grading
- Tr ead wear
- Traction AA A B C
- Temperature ABC
Quality grades can be found where applicable on
the tire side wa ll between tread shoulder and
maximum sect ion w idth
q page 253, fig. 202.
For exampl e: T read wear 2 00 , Traction AA , Tem
perature
A .
All passenger car tires must conform to Federal
Safety Requirements in addition to these grades.
Trea d we ar
The tread wear grade is a comparative rating
based on the wear rate of the tire when tested
under contro lled conditions on a specified gov
ernment test course.
For examp le, a tire graded
150 would wear one
and one ha lf
(11/2) times as well on the govern
ment course as a tire graded
100.
The relative performance of tires depends upon
the actual conditions of their use, however, and may d epart significant ly from the norm due to
variations in driving habits, service practices and d ifferences in road characteris tics and climate.
Tracti on
The traction grades, from highest to lowest, are
AA, A, B and
C. T hose grades represent the tire's
ability to stop on wet pavement as measured un
der controlled conditions on specified govern
ment test surfaces of asphalt and concrete . A tire
marked C may have poor traction performance
q .&. .
,...., Temp eratur e N
0
ii; The temperature grades are A (the h ighest), B,
and C, representing the tire's resistance to the
generation of heat and its ability to diss ipate
Tir es and wheel s
heat when tested under controlled conditions on
a specified indoor laboratory test wheel.
Sustained h igh temperatu re can cause the mate
ria l of the t ire to degenerate and reduce ti re life ,
and excessive temperature can lead to s udden
tire failure
q .& .
The grade C corresponds to a level of perfo rm
ance which all passenger car tires must meet un
der the Federal Motor Vehicle Safety Standa rd
No.
109. Grades Band A represent higher levels
of performance on the laboratory test wheel than
the minim um requ ired by law.
A WARNING
-
The tract ion grade assigned to this t ire is
based on straight -ahead braking traction
tests, and does not include acceleration, cor nering, hyd roplaning or pea k traction cha rac
terist ics.
A WARNING
The temperature grade for this tire is estab
lished for a tire that is properly infl,;1ted and
not overloaded . Excessive speed, underinfla
tion, or excessive loading, either separately or i n combination, can cause heat bui ldup and
possib le tire fai lure .
A WARNING
-
-Temperature grades apply to tires that are
p roperly inf lated and not over or under inflat
ed.
Tire pressure monitoring system
(l) General notes
App lies to vehicles: wi th tir e pressure mo nito rin g syste m
Each tire, including the spare (if provided),
shou ld be checked monthly when cold and inflat-
ed to the inflat io n pressure recommended by the
vehicle manufacturer on the veh icle placard or
t ir e inflation pressure label. (If your ve hicle has
t ir es of a different size than the si ze ind icated on .,..
271