
Tether anchors and tether straps
Fig. 182 A3 Sedan: Tether anchors: recess flaps behind the
rear seatbacks
Fig. 183 A3 Sportback : Tether anchors : recess flaps behind
the rear seatbacks
A3 Sedan : The tether anchors for the rear seating
positions are located in recesses in the rear win
dow she lf
r::;, fig . 182
A3 Sportback: The tether anchors for the rear
seating positions are located on the backside of
the rear seatbacks
r::;, fig . 183.
A tether is a straight or V-shaped strap that at
taches the top part of a child restraint to special
anchorage points in the vehicle .
The purpose of the tether is to reduce the for
ward movement of the child restraint in a crash,
in order to help reduce the risk of head injury
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 0
iii necessary on most new child safety seats .
.... I.Cl U"I
.... I.Cl ....
Child sa fety
A WARNING
-Improper installation of child restra ints wi ll
i ncrease the risk of injury and death in a
crash .
- Always follow the instructions prov ided by
the manufactu rer of the ch ild restraint you
intend to insta ll in you r A udi .
- Improper use of chi ld restraint anchors (in
cluding tether anchors) can lead to injury in
a co llision . The anchors are designed to
withstand on ly those loads imposed by co r
rectly fi tted ch ild res traints.
- Never mo unt two child rest raint systems on
one LA TC H lowe r anchor point.
- Neve r attach two child restraint systems to
one tether st rap or tethe r anchorage.
- Never attach a tether strap to a tie-down
hook in the luggage compa rtment.
- Never use child restra int tether anchorages
to secure safety be lts or other kinds of occu
pant restrain ts.
- Never secure or attach any luggage or othe r
items to the LA TCH lower anchorages or to
the tether anchors.
- If you must install a rearwa rd facing child
safety seat on the front passenger seat be
cause of excep tional ci rcumstance s and 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 a irbag system
inspected by your Audi dealer.
225

Child safety
Installing the upper tether strap on the
anchorage
Fig. 184 A3 Sedan : Tethe r strap : prope r rout ing and
m oun ting
F ig . 185 A3 Sportback: Tet her st rap: p roper rout ing an d
m oun ting. (!) cent er, @ outs ide
Inst all ing th e teth er strap
"' ' ~ I 0 :> gi
,... Release or deploy the tether strap on the child
restra int according to the child restraint manu
facturer's instructions .
,... Guide the upper tether strap
unde r the rear
head restraint (raise the head restraint if neces
sary) ¢
fig. 184 (A3 Sedan) ¢ fig. 185
(A3 Sportback) .
,... A3 Sedan: T ilt the recess flap up to expose the
anchor bracket .
,... A3 Sedan: Attach the tether st rap anchorage
hook into the opening of the tether anchorage.
226
,... A3 Sportback: Unlock the backrest and fold it
slightly forward ¢
page 65 and locate the teth
er anchor behind the rear seat backrest .
..
,... Pull on the tether strap hook so that the spring
catch of the hook engages .
,... Tighten the tether strap f irmly following the
child restra int manufacturer's instructions .
Releasing the tether str ap
,... Loosen the tension following the child restraint
manufacturer's instructions.
,... Depress the spr ing catch on the hook and re
lease it from the anchorage .
(D Note
If you leave the child restraint with the tether
strap firmly installed for several days, this
could leave a mark on the upholstery on the
seat cushion and backres t in the area where
the tether s trap was installed . T he upholstery
would a lso be permanently stretc hed around
the tether strap. This applies especially to
l eather seats .
Using tether straps on rearward-facing
child restraints
Currently, few rear -facing child restraint systems
come with a tether. Please read and heed the
ch ild rest raint system manufacturer's instruc
tions carefully to determi ne how to p roperly in
stall the te ther.
_.6 WARNING
A child in a rearward -facing ch ild safety seat
installed on the front passe nger seat will be
serious ly injured and can be killed if the front
airbag inflates - even with an Advanced Airbag
System.
- The inflating airbag will h it the ch ild safety
seat or infant carr ier with great force and
w ill smash the child safety seat and child
against the backrest , center arm rest, or
door.
- If you must install a rearward facing child
safety seat on the front passenger seat be
cause of exceptional circumstances and the

,....,
N
0 > co ,....,
come on and stay on, immed iate ly install
the rear-facing child safety seat in a rear
seating pos it ion and have the airbag system
inspected by your A udi dealer.
Additional information
Sources of information about child
restraints and their use
There are a number of sources of addit ional in
formation about child restraint selection, instal l ation and use:
NHTSA advises that the best child safety seat is
the one that fits your ch ild and f its in your vehi
cle, and that you will use correctly and consis
tently .
Try before you buy!
U .S National Highway Traffic Safety Administra
tion
Tel.: 1-888-327-4236 (TTY: 1-800-424-9153)
www.nhtsa.gov
National SAFE KIDS Campaign
Tel.: (202) 662-0600
www .safekids.org
Safety BeltSafe U.S.A
Tel. : (800) 745-SAFE ( English)
Tel.: (800) 747 -SANO (Spanish)
www .carseat.org
Transport Canada Information Centre
Tel.: 1-800-333-0371 or call 1-613-998-8616 if
you are in the Ottawa area
http ://www .tc.gc .ca/ eng/roadsafety/menu.htm
Audi Customer Relations
Tel. : (800) 822-2834
Child safety
227

Checking and Filling
CJ) Note
-Only use Ad Blue that conforms to the
standard ISO 22241-1. Do not mix any addi
tives with the AdBlue and do not dilute it
with water.
- Only use refill bottles that are approved for your vehicle. Using other systems can cause Ad Blue to leak.
- 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 the refill bottle in the vehicle.
If it leaks, the escaping Ad Blue could dam
age the vehicle interior .
- Do not allow Ad Blue to come into contact
with clothing. If there is contact with the
fluid, flush immediately with plenty of wa
ter .
(D Tips
-You can obtain refill bottles from an author
ized Audi dealer or authorized Audi Service
Facility .
- Follow the Ad Blue manufacturer's instruc
tions for use and storage .
- A permitted refill bottle contains approxi
mately 1.9 liters of AdBlue .
- Ad Blue can freeze at very low temperatures.
If this happens, the system will not detect
that the Ad Blue was refilled and it will con
tinue to inform you of the low AdBlue level.
The message turns off as soon as the tank
thaws out again.
236
Engine compartment
Working in the engine compartment
Special care is required if you are working in the
engine compartment
For work in the engine compartment such as
checking and filling fluids, there is a risk of in
jury, scalding, accidents, and burns. For this
reason, follow all the following listed warnings
and general safety precautions. The engine
compartment is a dangerous area.
¢ .&. .
.8, WARNING
To reduce the risk of injuries, complete the
following steps before opening the hood:
- Turn the engine off.
- Switch the ignition off.
- Set the parking brake.
- Place the selector lever in the P position.
- Let the engine cool down.
- Never open the hood when you see that
steam or coolant drips from the engine
compartment- there is a danger of burns!
Wait until no steam or coolant flows out.
- Keep children away from the engine com
partment.
- Never spill fluids on a hot engine. These flu
ids (such as the freeze protection contained in the coolant) can catch fire.
- Avoid short circuits in the electrical system,
especially the battery.
- When working in the engine compartment,
remember that the radiator fan can switch
on even if the ignition is switched off, which
increases the risk of personal injury.
- Never open the cap on the coolant expan
sion tank when the engine is warm . The
cooling system is under pressure.
- To protect your face, hands, and arms from
hot steam or coolant, cover the cap with a
large cloth when opening.
- Do not remove the engine cover under any
circumstances . This increases the risk of
burns.
- If tests need to be performed with the en-
-
gine running, there is additional danger due ~

Checking and Filling
-To reduce the risk of burns from hot engine
oil, let the engine cool down to the touch.
- When removing the oil drain plug with your
fingers, stay as far away as possible. Always
keep your forearm parallel to the ground to
help prevent hot oil from running down your
arm.
- Drain the oil into a container designed for
this purpose, one large enough to hold at least the total amount of oil in your engine .
- Engine oil is poisonous. Keep it well out of
the reach of children .
- Continuous contact with used engine oil is
harmful to your skin. Always protect your
skin by washing oil off thoroughly with soap
and water .
CD Note
Never mix oil additives with your engine oil.
These additives can damage your engine and
adversely affect your Audi Limited New Vehi
cle Warranty.
@ For the sake of the environment
-Before changing your oil, first make sure
you know where you can properly dispose of
the used oil.
- Always dispose of used engine oil properly.
Do not dump it on garden soil, wooded
areas, into open streams or down sewage
drains.
- Recycle used engine oil by taking it to a used
engine oil collection facility in your area, or
contact a service station.
Cooling system
Coolant
The engine coolant performs two functions: it
keeps the engine from overheating and it pro tects the engine from freezing in the winter.
The cooling system is sealed and generally re
quires little attention.
The cooling system has been filled at the factory
with a permanent coolant which does not need to
be changed. The coolant consists of a mixture of
244
specially conditioned water and the manufactur
er's glycol-based coolant additive Gl3 antifreeze
with anticorrosion additives (50% for USA mod els; 60% for Canadian models). This mixture
both assures the necessary frost protection and
protects metal components in the engine's cool
ing system from corrosion and scaling. It also
raises the boiling point of the coolant.
Do not reduce the concentration of the coolant in
the summer by adding plain water.
The propor
tion of coolant additive must be at least 50%
but not more than 60%
to maintain antifreeze
protection and cooling efficiency. If the coolant
frost protection is too low, the coolant could
freeze and damage the vehicle heating and en
gine cooling system.
For year-round driving, antifreeze is added at the
factory for temperatures down to:
--31°F(-35°C)USA
- - 40 °F ( - 40 °C) Canada.
If you must add coolant, use a mixture of water
and coolant additive. Mixing the coolant additive
with distilled water is recommended.
A WARNING
Before you check anything in the engine com
partment, always read and heed all WARN
INGS
~ page 236.
CD Note
- Before winter sets in, have the coolant
checked to see if the coolant additive in your
vehicle is sufficient to meet the climate con ditions. This is especially important if you
live in a region where the winter is extreme
ly cold.
If necessary, increase the proportion
of coolant additive to 60%.
- When adding coolant additive to your cool
ing system, remember:
- We recommend using only coolant addi
tive Gl2++ or G13 (check the label) for
your vehicle. This coolant additive is avail
able at authorized Audi dealers. Other
types of antifreeze can significantly re
duce corrosion protection. The resulting

.... N
0 > CX)
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corrosion can cause a loss of coolant and
serious engine damage .
- Do not add any type of radiator leak sealant
to your vehicle's engine coolant . Adding ra
diator repair fluid may adversely affect the
function and performance of your cooling
system and could result in damage not cov
ered by your New Vehicle Limited Warranty.
Adding coolant
F ig . 198 Engine compa rtment: mark in gs on t he coo lant
expa nsion tank
Read and follow the WARNINGS before check
ing anything in the engine compartment
¢ page 236, Working in the engine compart
ment.
Checking the engine coolant level
• Park your vehicle on a level surface .
• Switch the ignition off .
• Read the coolant level on the coolant expansion
tank
¢ fig. 198 . The coolant level must be be
tween the markings when the engine in cold .
When the engine is warm it can be slightly above the upper marking.
Adding coolant
Plug-in hybrid drive*: your vehicle has two cool
ant expansion tanks that are separate from each
other. The smaller of the two expansion tanks
must not be opened
¢ page 108. Read and fol
low the important safety precautions ¢
A in
Coolant on page 109.
Requirement: there must be a residual amount of
coolant in the expansion tank ¢(D .
• Let the engine cool down .
Checking and Filling
• Place a cloth over the coolant expansion tank
cap and unscrew the cap counterclockwise
¢ A .
• Add coolant mixed in the correct ratio
¢
page 244 up to the upper marking.
• Make sure that the fluid level remains stable.
Add more coolant if necessary.
• Close the cap securely .
A coolant loss suggests a leak. Immediately drive
your vehicle to an authorized Audi dealer or au
thorized Audi Service Facility and have the cool
i ng system inspected. If the cooling system is not
leak ing, a loss can come from the coolant boiling
through overheat ing and being pushed out of the
cooling system .
,&_ WARNING
-= -The cooling system is pressurized and can be
come very hot. To reduce the risk of burns
from hot coolant:
- Do not open the coolant expansion tank cap
with the engine hot. There is a risk of burns.
- Stop the engine and allow it to cool.
- Protect your face, hands and arms from es-
caping coolant and steam by covering the
coo lant tank cap with a large, thick cloth.
- Turn the coolant tank cap counterclockwise
slowly and keep light pressure on the cap.
- To reduce the risk of burns, do not allow any
antifreeze or coolant to drip onto the ex
haust system or hot engine components.
The ethylene glycol in engine coo lant can
catch fire under certain circumstances .
- The coolant additive and the coolant can be
dangerous to your health . For th is reason,
keep the coolant in the original container
away from children. There is a risk of poi
soning .
- When working in the engine compartment,
remember that the radiator fan can switch
on even if the ignition is switched off, wh ich
increases the risk of persona l injury.
(J) Note
Do not add coolant if the expansion tank is
empty . Air could enter the cooling system and
damage the eng ine.
If this is the case, do not ..,_
245

Check ing and F illing
Not running th e vehicle for long p eriod s of
t im e
If you do not drive your vehicle for several days or
weeks, electrical components are gradually re duced or sw itched off. Th is reduces energy con
sumpt io n and maintains the vehicle's ability to
start over a long period of time
c:::, page 164 .
Some convenience functions, such as interior
lighting or power seats* may not work . These
convenience functions will be available again
once yo u sw itch the ignition on and start the en
gine.
Winter operation
During the winter months, it is common for the
battery capacity to decrease as the temperatures
become lowe r. This is because mo re power is
needed to sta rt the veh icle and components s uch
as the headlights and the rear window defogger
are used more frequently .
Avoid using power unnecessar ily, especially in
ci ty driving or on sho rt trips. Have yo ur author
ized Audi dealer or authorized Audi Service Facili
ty check the battery capacity before the start of
winter c:::, page 249. A well-charged battery will
not on ly reduce starting problems in cold weath
er, but it will also last longer .
A WARNING
-Work on the battery requires expert knowl
edge. Contact an authorized Audi dealer or
autho rized Aud i Service Facility for informa
t ion regarding the vehicle battery. There is a
risk for chemical burns or explosions.
- Never open the vehicle battery. Do not t ry to
c hange the batte ry electro lyte level. Othe r
wise explosive gas wi ll escape from the bat
te ry and increase the risk of an explos ion .
(D Tips
If your vehicle is not driven for several weeks
in very cold temperatu res, remove the batte ry
and sto re it in a pla ce where it wi ll not freeze.
This prevents the battery from being dam
aged and needing to be replaced.
248
· Working on the battery
Be especially careful when working on or near
the battery.
Plug- in hybrid drive*: For important informat ion
about the high-voltage battery, refer to
c:::, page 98 .
The battery is located in the engine compart
ment . Before you check anything in the engine
compartment,
r e ad and heed all WARNING S
¢,&. .
Always heed the safe ty wa rnings , when working
on the vehicle battery or the veh icle electrical
system to prevent injury .
The following WARNINGS are very important
w hen wor king on the batter y:
Alwa ys heed the following WARNING S YM-
BOLS and safet y precaut ions when wo rking on
the batte ry.
®
Alwa ys wear e ye protection .
&
Batt ery ad d co ntains sulfu ric acid . Al-
way s w ear glove s and ey e prot ect ion .
@
No
-spark s
- flame s
- smoking .
~
When a battery is cha rged , it p roduce s
h yd rog en gas which is e xplo siv e and
could cause personal in jur y.
®
Alway s kee p the ba tter y w ell out of
r each of children.
A WARNING
Whenever working on the battery or on the
e lectr ical system, there is the r isk of injury,
accident and even fire. Read and heed the fol low ing WARNINGS:
- Always wear eye protection. Do not let bat
tery acid or any lead particles get on your
skin or clothing . Shield your eyes. Explosive
gases can cause blindness or other in ju ry .
- Battery acid contains sulfuric acid . Sulfuric
acid can cause blindness and severe burns .

.... N
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.... I.Cl U"I
.... I.Cl ....
-Always wear gloves and eye protection. Do
not tilt the battery because acid could leak
out of the ventilation openings.
- If you get battery acid in your eyes or on
your skin, immediately rinse with cold wa
ter for several minutes and get medical at
tention .
- If you should ingest any battery acid, seek
medical attention immediately.
- Do not expose the battery to an open flame,
electric sparks or an open light.
- Do not smoke.
- Do not interchange the positive and nega-
tive cab les.
- When working on the battery, be sure not to
short-circuit the terminals with tools or oth
er metal objects. This wou ld cause the bat
tery to heat up very quickly, which could
lead to damage or explosion and personal
injury.
- When a battery is charged, it produces hy
drogen gas which is explosive and could
cause personal injury.
- Always keep the battery well out of the
reach of children.
- Before work is done on the electrical sys
tem, disconnect the negative ground cable.
- Before performing any work on the electri
cal system, switch off the engine and igni
tion as well as any electrical equipment . The
negative cable on the battery must be dis
connected. If you are just going to replace a
light bulb, then it is enough to switch off
the lights.
- Before disconnecting the battery, switch off
the anti-theft alarm system! Otherwise you
will set off the a larm.
- When disconnecting the battery, first dis
connect the negative cable and then the
posit ive cab le.
- Before reconnecting the battery, make sure
all electrical consumers are switched off.
Reconnect the positive cab le first and then
the negative cable . Never interchange the
cables - th is could start a fire!
- Never charge a frozen o r a thawed-out bat
tery. It could explode! If a battery has fro-
Checking and Filling
zen, then it must be replaced. A discharged
battery can freeze over at 32 °F (0 °C).
- Make sure the vent hose is always attached
to the opening on the side of the battery.
- Never use batteries which are damaged.
There is the danger of an exp losion! Always
replace a damaged battery.
_8 WARNING ~
California Proposition 65 Warning:
- Battery posts, term inals and related acces
sories contain lead and lead compounds,
chemicals known to the State of California
to cause cancer and reproductive problems.
Wash hands after handling.
(D Note
-Do not disconnect the vehicle battery when
the ignition is on or when the engine is run
ning, otherwise, you will damage electronic
components in the electrical system.
- If your vehicle is going to stand for a long
period of time without being driven, protect
the battery from "freezing", otherwise it
w ill be damaged and will then have to be re
placed .
Battery charging
Starting the engine requires a well charged bat
tery.
Fig. 200 Eng ine compartmen t: co nnectors fo r a charger
a n d jump start cab les
Plug-In hybrid drive* : The connect ion points for
the jump start cables vary~
page 108. .,.
249