lock AUDI Q7 2017 Owner´s Manual

Booster seats and safety belts
Properly used booster seats can help protect
children weighing between about 40 lbs. and
80 lbs. (18 kg and 36 kg) who are less than 4
ft.
9 in. (57 inches/1.45 meters) tall.
Fig. 250 Rear se at; chi ld proper ly restrained in a booster
sea t
The vehicle's safety belts alone will not fit most
children until they are at least 4
ft. 9 in. (57 in­
ches/1.45 meters) tall and weigh about 80 lbs.
(36 kg). Booster seats raise these children up so
that the safety belt will pass properly over the
stronger parts of their bodies and the safety belt
can help protect them in a crash.
.,. Do not use the convertible locking retractor
when using the vehicle's safety belt to restrain
a chi ld on a booster seat .
.. The shoulder belt must lie as close to the cen­
ter of the child's collar bone as possible and must lie fla t and snug on the upper body.
It
must never lie across the throat or neck. The
lap belt must lie across the pelvis and never
across the stomach or abdomen. Make sure the
belt lies flat and snug. Pull on the belt to tight­
en if necessary .
.,. If you must transport an older child in a boos­
ter seat on the front passenger seat , you can
use the safety belt height adjustment to help
adjust the shoulder portion properly .
.. Secure unused safety belts on the rear seat
r:=>page 301.
Children up to at least 8 years old (over 40 lbs. or
18 kg) are best protected in child safety seats de-
u ~ signed for their age and we ight. Experts say that
N ~ the skeletal structure , part icularly the pelvis , of
g these children is not fully developed, and they
:E <t
Child safety
must not use the vehicle safety belts without a
suitable child restraint .
It is usually best to put these children in appro­
priate booster seats. Be su re the booster seat
meets all applicab le safety standards .
Booster seats raise the seating position of the
child and reposition both the lap and shoulder
parts of the safety belt so that they pass across
the child's body in the right places. The routing of
the belt over the chi ld's body is very important
for the ch ild's protection, whether or not a boos­
ter seat is used. Children age 12 and under must
always ride in the rear seat.
Ch ildr en who are at least 4
ft. 9 in. (57 inches/
1.45 meters) tall can generally use the vehicle 's
three point lap and shoulder belts . Never use the
lap belt portion of the vehicle 's safety belt alone
to restrain any ch ild, regard less of how big the
ch ild is. Always remember that childr en do not
have the pronounced pelvic structure required for
the proper function of lap belt portion of the ve­
hicle's three point lap and shoulder belts . T he
child's safety absolutely requires that a lap belt
portion of the safety belt be fastened snugly and
as low as possible around the pe lvis. Never let
the lap belt portion of the safety belt pass over
the child 's stomach or abdomen .
In a crash, airbags must inflate within a blink of
an eye and with considerab le force. In order to do
its job, the airbag needs room to inflate so that it
will be there to protect the occupant as the occu­
pan t moves forward into the airbag .
A vehicle occ upant who is out of position and too
close to the a irbag gets in the way of an inflating
airbag. When an occupant is too close , he or she
will be struck violently and will receive serious or possibly even fata l injury .
In order for the airbag to offer protection, it is
important that all vehicle occupants, especially
any children, who must be in the front seat be­
cause of exceptiona l circumstances, be properly
restrained and as far away from the airbag as
poss ible. By keeping room between the child 's ..,.
305

Child safety
body and the front of the passenger compart­
ment, the airbag can inflate completely and pro­
vide supplemental protection in certain frontal
collisions.
.,&. WARNING
Not using a booster seat, using the booster
seat improperly, incorrectly installing a boos­
ter seat or using the vehicle safety belt im­
properly increases the risk of serious personal
injury and death in a collision or other emer­
gency situation. To help reduce the risk of se­
rious personal injury and/or death:
- The shoulder belt must lie as close to the
center of the child's collar bone as possible
and must lie flat and snug on the upper
body.
It must never lie across the throat or
neck. The lap belt must lie across the pelvis
and never across the stomach or abdomen .
Make sure the belt lies flat and snug. Pull on
the belt to tighten if necessary .
- Failure to properly route safety belts over a
child's body will cause severe injuries in an
accident or other emergency situation
¢ page 265.
- The rear side of the child safety seat should
be positioned as close as possible to the
backrest on the vehicle seat . Adjust or re­
move the rear seat head restraint if it is dif­
ficult to install the child seat with the head
restraint in place
¢page 63. Install the
head restraint again immediately once the
child seat is removed. Driving without head
restraints or with head restraints that are
not properly adjusted increases the risk of
serious or fatal neck injury dramatically.
- Never let a child put the shoulder belt under
the arm or behind the back, because it could
cause severe injuries in a crash.
- Children on the front seat of any car, even
with Advanced Airbags, can be seriously in­
jured or even killed when an airbag inflates .
- Never let a child stand or kneel on any seat,
for example the front seat.
- Never let a child ride in the cargo area of
your vehicle.
- Always remember that a child leaning for­
ward, sitting sideways or out of position in
306
any way during an accident can be struck by
a deploying airbag. This will result in serious
personal injury or death .
- If you must install a booster seat on the
front passenger seat because of exceptional
circumstances the
PASSENGER AIR BAG
OFF
fj,;; light must come on and stay on,
whenever the ignition is switched on.
- If the
PASSENGER AIR BAG OFF fj,;; light
does not come on and stay on, perform the
checks described ¢
page 285, Monitoring
the Advanced Airbag System.
- Take the child restraint off the front passen­
ger seat and install it properly at one of the rear seat positions if the
PASSENGER AIR
BAG OFF~;
light does not stay on whenever
the ignition is switched on.
- Always read and heed all WARNINGS when­
ever using a child restrained in a vehicle is
being used¢
page 265, Safety belts,
¢ page 273, Airbag system and
¢ page 295, Important information.
Securing child safety
seats
Securing a child safety seat using a safety
belt
Safety belts for the rear seats and the front pas­
senger can be locked with the convertible locking
retractor to properly secure child safety seats.
The safety belts for the rear seats and for the
front passenger's seat have a convertible locking
retractor for child safety seats. The safety belt
must be locked so that belt webbing cannot un­
reel. The retractor can be activated to lock the
safety belt and prevent the safety belt webbing
from loosening up during normal driving . A child
safety seat can only be properly installed when
the safety belt is locked so that the child and
child safety seat will stay in place.
Always remember : Even though your vehicle is
equipped with an Advanced Airbag system, all children, especially those 12 years and younger,
should always ride in the back seat properly re-
strained for their age and size.
ll-

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A WARNING
-
Improperly installed child safety seats in­
crease the risk of serious personal injury and
death in a collision.
- Always make sure that the safety belt re­
tractor is locked when installing a child
safety seat. An unlocked safety belt retrac­
tor cannot hold the child safety seat in place
during normal driving or in a crash.
-Always buckle the child safety seat firmly in place even if a child is not sitting in it. A
loose child safety seat can fly around during
a sudden stop or in a collision .
- Always make sure that the rear seat back­
rest to which the center rear safety belt* is
attached is securely latched whenever the
rear center safety belt is being used to se­
cu re a ch ild restraint .
- If the backrest is not securely latched, the
child and the child restraint will be thrown
forward together w ith the backrest and will
strike parts of the vehicle interior. The ch ild
can be se riously injured or killed .
- Never ins tall rear-facing child safety seats
or infant carriers on the front passenger
seat . A child will be serious ly injured and
can be killed when the passenger airbag in­
flates.
- The inflating airbag will hit the child safety
seat or infant carrier with great force and
will smash the ch ild safety seat and chi ld
against the backrest, center armrest, door
or roof .
- Always install rear-facing child safety seats
or infant carriers on the rear seat.
- Forward-fac ing ch ild safety seats or infant
carriers installed on the front passenger's
seat may interfere with the deployment of
the a irbag and cause serious injury to the
child .
-It is safer to install a forward -fac ing ch ild
safety seat on the rear seat .
- Always read and heed all WARNINGS when­
ever using a child restrained in a veh icle is
being used
~ page 295 . Specia l precaut ions
apply when installing a child safety seat on
the front passenger seat
~ page 2 7 4, Child
Ch ild safety
restraints an the front seat -some impor­
tant things to know.
A WARNING
-A lways take special precautions if you must
i nstall a forward or rearward-facing child re­
stra int on the front passenger's seat in excep ­
tional s ituations:
- Whenever a forward or rearward-fac ing
child restraint is installed on the front pas ­
senger seat, the
PASSENGER AIR BAG OFF
~; light must come on and stay on whenev­
er the ign ition is switched o n.
- I f the
PASSENGER AIR BAG OFF~; light
does not come on and stay on, perform the
checks desc ribed
~ page 285, Monitoring
the Advanced Airbag System.
- Take the child restra int off the front passen­
ge r seat and install it prope rly at one of the
rear seat positions i f the
PASSENGER AIR
BAG OFF~;
light does not stay on whenever
the ignition is switched on .
- Improper installat ion of child res tra ints can
reduce their effectiveness or even prevent
them f rom providing any protect ion .
- An improperly installed child restraint can
interfere with the airbag as it deploys and
serious ly injure or even kill the chi ld.
- Always carefully follow the manufacturer's
instr uctions provided with the child safety
seat or carr ier .
- After checking to make sure that the c hild
restraint is properly installed, make certain
that the child restraint is correctly recog­
n ized by the capacitive passenger detection
system in the front passenger seat and that
the
PASSENGER AIR BAG OFF~; light sig­
na ls the cor rect front passenger fronta l air­
bag status.
A WARNING
F orwa rd -facing child restra ints:
- Always make sure the forward-facing seat
has bee n des igned and certified by its man­
ufa cture r for use on a fron t sea t with a pas­
senger front and side airbag.
-
307

Child safety
-Never put the forward-facing child restraint
up, against or very near the instrument pan­
el.
- Always move the front passenger seat to
the highest position in the up and down ad­
justment range and move it back to the
rearmost position in the seat's fore and aft
adjustment range, as far away from the air­
bag as possible, before installing the for­
ward-facing child restraint.
- Always make sure that the safety belt upper
anchorage is behind the child restraint and
not next to or in front of the child restraint
so that the safety belt will be properly posi­
tioned.
- Make sure that the
PASSENGER AIR BAG
OFF~ ;
light comes on and stays on all the
time whenever the ignition is switched on.
A WARNING
Rearward-facing child restraints:
- A child in a rearward-facing child safety seat
installed on the front passenger seat will be
seriously injured and can be killed if the
front airbag inflates -even with an Ad­
vanced Airbag System.
- The inflating airbag will hit the child safety
seat or infant carrier with great force and
will smash the child safety seat and child
against the backrest, center armrest, door
or roof .
- Always be especially careful if you must in­
stall a rearward facing child safety seat on
the front passenger seat in exceptional cir­
cumstances .
- Make sure that the
PASSENGER AIR BAG
OFF~;
light comes on and stays on all the
time whenever the ignition is switched on.
- If the
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 .
308
· Activating the convertible locking retractor
Use the convertible locking retractor to secure a
child restraint.
Always heed the child safety seat manufacturer 's
instructions when installing a child restrain t in
your vehicle . To activate the convertible locking
retractor:
.. Place the child restraint on a seat, preferably
on the rear seat .
.. Slowly pull the belt
all the way out .
.. Route it around or through the child restraint
belt path
~ ,&. .
.. Push the child safety seat down with your full
weight to get the safety belt really tight.
.. Insert the belt tongue into the buckle for that
seating position.
.. Guide the safety belt back into the retractor un­
til the belt lies flat and snug on the child safety
seat.
.. You should hear a "clicking" noise as the belt
winds back into the inertia reel. Test the con ­
vertible locking retractor by pulling on the belt.
You should no longer be able to putt the belt
out of the retractor. The convertible locking re­
tractor is now activated .
.. Make sure that the red release button is facing
away from the child restraint so that it can be
unbuckled quickly.
.. Pull on the belt to make sure the safety belt is
properly tight and fastened so that the seat
cannot move forward or sideways more than
one inch (2 .5 cm) .
A WARNING
Using the wrong child restraint or an improp­
erly installed child restraint can cause serious
personal injury or death in a crash.
- Always make sure that the safety belt re­
tractor is locked when installing a child
safety seat. An unlocked safety belt retrac­
tor cannot hold the child safety seat in place
during normal driving or in a crash.
- Always buckle the child safety seat firmly in
place even if a child is not sitting in it. A
loose child safety seat can fly around during
a sudden stop or in a crash.

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-Always make sure the seat backrest to which
the child restraint is installed is in an up­
right position and securely latched into
place and cannot fold forward. Otherwise,
the seatback with the child safety seat at­
tached to it could f ly forward in the event of
an accident or other emergency situation.
- Always read and heed all WARNINGS when­
ever using a child restrained in a veh icle is
being used
c::> page 295. Specia l precaut ions
apply when installing a child safety seat on
the front passenger seat
c::> page 2 7 4, Child
restraints on the front seat -some impor­
tant things to know.
Deactivating the convertible locking
retractor
The convertible locking retractor for child re­
straints will be deactivated automatically when
the belt is wound all the way back into the re­
tractor .
~ Press the red button on the safety belt buckle.
The belt tongue will pop out of the buckle.
~ Guide the safety belt all the way back into its
stowed position .
Always let the safety belt retract completely into
its stowed position. The safety belt can now be
used as an ordinary safety belt without the con­
vertible locking retractor for child restraints.
If the convertible locking retractor should be ac­
tivated inadvertently, the safety belt must be un­
fastened and guided completely back into its
stowed position to deact ivate this feature. If the
convert ible locking retractor is not deactivated,
the safety belt w ill gradually become tighter and
uncomfortable to wear.
_& WARNING
-
Improperly installed chi ld safety seats in­
crease the risk of serious personal injury and
death in a collision.
- Never unfasten the safety belt to deactivate
the convertible locking retractor for child re­
straints while the vehicle is moving . You
Child safety
would not be restrained and could be seri­
ously injured in an accident.
- Always read and heed all WARNINGS when­
ever using a child restrained in a vehicle is
be ing used
c::> page 295. Special precautions
apply when install ing a child safety seat on
the front passenger seat
c::> page 274, Child
restraints on the front seat -some impor­
tant things to know.
LATCH system (lower
anchorages and tethers
for children)
Child Restraint System anchors and how
are they related to child safety
To provide a simpler and more practicab le way to
attach the child restraint on the vehicle seat,
Federal regulations require special lower ancho­
rages in vehicles and devices on new child re­
straints to attach to the vehicle anchorages .
In the United States, the combination of the
tether anchorages and the lower anchorages is
now generally called the LATCH system for
"Lower Anchorages and Tethers for Children". In
Canada, the terms "top tether" with "lower uni­
versa l anchorages" (or "lower universal anchor­
age bars") are used to descr ibe the system .
In other countries the term "ISOFIX" is used to
describe the lower anchorages .
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 req uirements. These
new performance requirements make a tether
necessary on most new ch ild seats.
Installing a child restraint that requires a top
tethe r without one can seriously impair the per­
formance of the child restraint and its ab ility to
pro tect the child in a collision. Installing a child
restra int that requi res a top tether without the
top tether may be a violation of state law.
Child restraint manufacturers offer LATCH lower
anchorages on their child seats w ith hook-on or ..,.
309

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All child restraints manufactured after Septem­
ber 1, 2002, must have lower anchorage attach­
ments for the
LA TCH system .
Remember that the lower anchorage points a re
on ly intended for installation and attachment of
child restraints specifica lly c ertified for use with
LA TCH lower anchorages. Child restraints that
are not equipped with the lower anchorage at ­
tachments can still be installed in compliance
with the child restraint manufacturer's instruc ­
tions on using veh icle safety belts.
A WARNING
Improper use of LATCH lower anchorages can
cause se rious personal injury in an ac cident.
- Always carefu lly follow the child restra ints
man ufactu rer's inst ruct ions for proper in­
sta llation of the child restra int and proper
use of the lower anchorages or safety be lts
in yo ur vehicle.
- Never secure or attach any lugg age or other
items to the
LATCH lower anchorages .
- Always read and heed the important infor­
mation about child restraints in this chapter
and WARN INGS ¢
page 295, Child safety .
Installing a child restraint with LATCH
lower anchorages
Whenever you install a child restraint always fol­
low the child restraint manufacturer's instruc­
tions.
Fig. 25 4 Lower anc horage s: proper mo untin g
Mounting
~ Make sure the seatback of the rear seat bench
is in the upr ight position and securely latched
i n place.
Ch ild safety
~ Remove the padding or the covers to access the
lower anchorage brackets.
~ Attach both hook -on connectors with the spr ing
catch release on the child safety seat onto the LATCH lower anchorage so th at the con necta rs
lock into place¢
fig. 254 .
~ Pull on the connector attachments to make
sure they are properly attached to the LATCH lower ancho rage.
~ Pull straps tight following the ch ild restraint
manufacturer 's instructions .
Releasing
~ Loosen the tension on the straps fo llow ing the
child restra int manufacture r's instructions .
~ Depress the spr ing catches to release the an ­
chor age hooks from the lower anchorages.
Remember: Use tether straps to help keep the
c hi ld rest raint firmly in p lace.
A WARNING
I mp roper use of the LA TCH system can in­
crease the ris k of serious persona l injury and
death in an accident.
-
- These anchors were developed only for child
safety seats using the " LATCH" system .
- Never attach othe r ch ild safety sea ts, be lts
or other objec ts to these anchors.
- Always make su re that you hear a click when
lat ching the seat in place .
If you do not hear
a click the seat is not se cure and co uld fly
forward and hit the interior of the vehicle, or be ejected from the vehicle.
A WARNING ~ -
Improper installation of child restraints wi ll
i ncrease the risk of injury in an accident.
- Always follow the ch ild restraint system
manufacturer's instructions for proper in­
stallat ion of the chi ld restraint system and
proper use of tether straps as well as the
lower anchorages or safety belts in your ve ­
h icle .
- Always read and heed the important infor­
mat ion and WARNINGS about ch ild safety
and the installat io n of child restrai nt sys­
tems ¢
page 295, Child safety .
311

Checking and Filling
any circ umstances. Immediately contact the
nearest author ized Audi dealer or author­
i zed Audi Service Facility for assistance .
These fuels contain substances that can se­
verely damage the fue l system and the en­
gine if the engine is started .
Refueling
Fuel filler neck
The fuel fille r neck is located on the right rear
s ide pan el behind the fu el filler flap .
I f the power locking system should fail, you can
still open the flap manua lly -for detai led instruc­
tions see
c::> page 318.
You can find the fuel tank capac ity of you r vehicle
in
c::> page 3 79 .
The label on the inside of the fuel filler flap tells
you the correct fue l for your vehicle . For more in­
formation about fue l specifications , see
c::> page 314 .
Your veh icle fuel tank has an onboard refuelling
vapor recovery system . This feature he lps to pre­
ve nt fuel vapors from escap ing from the tank and
pollut ing the e nvironment while yo u re fuel your
veh icle. In order to fi ll the tank properly while
protecting the environment, please fo llow this
r e fu eling procedure carefu lly.
& WARNING
Under normal operating conditions, never car­
ry additiona l fuel containers in yo ur car. Gas
canisters and other conta iners used to trans­
port fuel can be dangerous . S uch containers,
full or empty , may lea k and could cause a fire
in a collision. If yo u m ust t ransport fue l to
use for yo ur lawn mower, snow blower, etc.,
be very careful and a lways obse rve loca l and
state laws regard ing the use, t ransportation
and sto rage of such fue l conta iners. Make cer­
tain the container meets industry standards
(ANSI/ASTM F852 -86).
(D Note
Never drive yo ur vehicle unt il the fuel tan k is
comp letely empty . The irregular supply of
316
fu el can cause misfiring. Gasoline could ente r
the exhaust system and damage the catalytic
converter.
Fueling procedure
F ig . 259 Righ t rea r side of th e ve hicl e: op enin g the fue l
fi ller door
Fig. 26 0 Fuel fille r doo r wit h attached fuel c ap
The fuel filler doo r is unlocked or locked by the
cent ral lock ing system .
Opening the fuel cap
.. Press the left side of the fuel f iller doo r to open
i t
c::> fig. 259 -arrow-.
.. Unscrew the tank cap counterclockwise .
.,.. Place the cap from above on the open fuel filler
door
c::> fig . 260 .
Closing the fuel cap
.. Turn the fuel cap to the right until it stops.
.. Close the fuel filler door until i t latches.
Onc e the pump noz zle sw itches
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 fo r your ve hicle can be
fo und o n a label located on the inside of the f uel
IJJ,

Checking and Filling
an authorized Audi dealer or authorized Audi
Service Facility for assistance .
Fuel filler door emergency release
If the central locking system is faulty, the fuel
filler door can be unlocked manually.
II
Fig. 261 Luggage compartment: removing the lig ht cover
II
F ig. 262 Luggage compartment: fuel filler doo r emergency
rele ase
The emergency release mechanism is loca ted be­
hind the right light cover in the luggage compart­
ment .
"' Use a screwdriver to remove the light cover
¢ fig. 261 .
"' Loosen the loop c::;, fig. 262 from the retainer
and then pull on the loop carefully
c::;, (i) , The
filler door is released .
"' Press on the left side of the fuel f i lier door to
open it
c::;, page 316, fig. 259 .
(D Note
Only pull on the loop until you feel resistance .
You will not hear it release. Otherwise you
could damage the emergency re lease mecha­
nism.
318
Selective catalytic reduction (AdBlue/DEF)
General information
Applies to: vehicles wit h selective catalytic reduct ion
In vehicles with selective catalytic reduction, a
urea solution (AdBlue/DE F) 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 F lu id) . The informat ion that fo llows w ill
u se the name Ad B lue .
The Ad Blue is carried in a separate tank in the ve­
hicle. The Ad Blue usage accounts for approxi­
mately 1.0% to 4.0% of the diesel fuel that is
u sed .
When a message about refilling the AdBlue ap­ pears in the instrument cluster display, you must
refi ll the Ad B lue yourse lf or have it refilled by an
authorized Aud i dea ler or authorized Audi Serv ice
Fac ility
c::;, page 319.
(0 Tips
- Th e d isp lay indicates the distance rema ining
that can be dr iven
c::;, page 318. If the Ad Bl­
ue tank is comple tely emp ty, the eng ine will
no t start again after the ign ition is switched
off .
-Ad Bl ue is required by law to ope rate th is ve­
hicle.
Messages in the instrument cluster display
App lies to: vehicles wi th selective catalyt ic reduct ion
The display indicat es if the Ad Blue level is low or
if there
is a system malfun ction.
AdBlue level low
You w ill be informed in the instrument cluster
display if the AdBlue in the tank drops below a
ce rtain level. Add at a minimum the amount of
AdBlue shown in the message:
II Refill with a t lea st x qt ( l) Ad Blu e. Range
x mi (km )

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• Position the bottle on the filler tube and tu rn
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 f luid stops
flowing into the tank .
• Remove the bottle and seal the filler neck
~ page 321, Completing AdBlue refill .
(D Note
Only use refill bottles that are approved for
your veh icle. Us ing other systems can cause
Ad Blue to leak.
- You can obta in refill bottles from an author­
i zed Audi dealer or author ized Audi Service
Fac ility.
- A perm itted refill bottle contains approxi­
mately 0.5 gallon ( 1.9 liters) of Ad B lue.
Completing AdBlue refill
Applies to: vehicles with selective catalytic reduction
Closing th e filler neck
• Turn the Ad Blue cap to the right on the filler
tube u ntil the cap clicks into p lace
c;> .&. in
Preparation on page 319,
c;> (D in Preparation
on page 319 ..
• Then press on the left side of the tank door un -
ti l it latches.
After filling
The vehicle must be driven so that the system
recognizes t hat the Ad Bl ue was refilled. This can
take severa l min utes .
• If there was no Ad Blue left in the tank and a
range of O mi (0 km) was shown in the display ,
switch the ign ition on for about 30 seconds be­
f ore star ting the engine .
(D Tips
Ad Blue in the tank can free ze at very low tem­
pe ra tures. If this happens, the system will
no t detect t hat the Ad Bl ue was refilled and i t
wi ll continue to inform you of the low Ad Blue
Ch eck ing and Filling
level. The message t urns off as soon as the
tank thaws out again .
Emissions control
systems
Catalytic con verter
Applies to: vehicles with gasoline engines
T he vehicle may only be driven with un leaded
gasoline, otherwise the catalytic converter will be
destroyed.
Never drive until the tank is compl ete ly empty .
The irregu lar supply of fuel that resu lts from that
can cause eng ine misfires. Uncombusted fuel will
enter the exhaust system, which can cause over­
heating and damage to the catalytic converter .
Diesel particulate filt er
Applies to: vehicles with diesel engines
The diese l particu late filter filters near ly all of
the soot particles out of the exhaust. The filter
cleans itself automatically under norma l driving
condit ions. If the filter cannot clean itself (for ex­
ample, because you are only driving short distan ­
ces), the filter becomes clogged with soot and
the
1\1 i ndicato r light for the diese l part iculate
filte r tu rns on
c;> page 30.
_& WARNING
The tempera ture of the exhaus t sys tem is
high, bot h when driv ing and a fter stoppi ng
the engine.
- Never tou ch the e xhaust tail pipes once they
have become hot. This cou ld res ult in burns .
- Do not par k your veh icle over flamm ab le
materia ls such as grass or leaves because
the high temperature of the emissions con­ trol system (catalytic converter or diesel particu late filter) cou ld start a fire.
- Do not app ly underbody protectant in the
exhaust system area, beca use this increases
the risk of f ire.
321

u co ...... N r-... N ...... 0
0
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th e risk of an accident because it can cause
the tire t o burst.
- Always adapt yo ur drivi ng to the road and
traff ic conditions. Drive carefully and red uce
your speed on icy or slippery roads. Even
winter tires can lose traction on black ice.
@ For the sake of the environment
Reinstall summer ti res at the appropriate
time, because they provide better handling
when roads are free of snow and ice. Summer
tires cause less road noise, t ire wear and fuel
consumption.
(D Tips
You can also use all season tires instead of
w inter tires . Please note that in some coun­
tries where w inter t ires are required, only
w inter t ires with the
die. symbol may be per­
m itted.
Snow chains
Snow chains no t only imp rove the driving in wi n·
t er roa d cond itions, but a lso the brak ing.
" Only insta ll snow chains o n the
front wheels .
" Check and cor rect the sea ting of the snow
chains after dr iv ing a few feet, if necess ary. Fo l­
low the ins truc tions from the ma nufa cturer .
" Note the maximum pe rmit ted speed w hen driv ­
ing with snow chains . Do not exce ed 30 mph
(SO km/h).
Use of snow chains is only pe rm itted with certain
rim/ti re combinations due to tec hnical reasons .
Chec k with an authorized A udi d ealer or author­
ized A udi Service F acili ty to see if yo u may use
snow chains.
Use
fine-mesh snow chain s. They must not add
mo re t han 0.53 in (13 .5 mm) in height , including
the chain lock .
You mus t remove the snow c hains on roads with ­
out snow . Otherw ise, you could impair dr iving
abi lity and damage the tir es .
Wh eel s
A WARNING
Using incorrect snow chains or install ing snow
cha ins incorrectly can resu lt in loss of veh icle
control, which increases the risk of a n acci­
dent.
(D Note
- Snow chains can damage the rims/wheel
cove rs* if the chains come into direct con ­
t act with them . Remove the wheel covers*
first . Use coa ted snow cha ins .
- Do not install and use snow c hains if the re is
a malfu nction in the a ir suspension*, be­
cause the ve hicle height w ill be very low . If
yo u dr ive w ith snow chains anyway, the
w hee l ho usings and other ve hicle compo­
nents can be seve rely damaged.
(0 Tips
When us ing snow chains, it m ay be usefu l to
swi tch the offroad mode o n
q page 149.
Low-profile tires
Applies to: vehicles with low-profile tires
Your vehicle is equipped with low -profi le tires* at
the factory . Compared to other tire/rim combina­
tions, low-prof ile tires offer a w ider tread surface
and a larger rim diameter with shorter tire side­
walls. This results in an agile dr iv ing style. How­
ever, it may reduce the level of comfort and in ­
c rease road noise when driving on roads in poo r
cond it ion.
Low-profile t ires can become damaged more
quickly than standard tires when dr iving over
la rge bumps, potholes , manhole covers, speed
bumps and curbs. Therefo re, it is particularly im­
po rtant to mainta in the co rrect ti re pressure
q poge 343.
To reduce the risk of damage to the tires and
r ims, drive very caref ully on poor roads.
Check your wheels regu larly every 2,000 mi
(3,000 km) for damage . For example, chec k for
bulges/cracks on the tires or deformations/
c racks on the rims . .,..
349