-Always wear gloves and eye protection.
Do not tilt the battery because acid
could leak out of the ventilation open
ings .
- If you get battery acid in your eyes or
on your skin, immediately rinse with
cold water for several minutes and get
medical attention.
- 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 neg-
ative cables .
- When working on the battery, be sure
not to short-circuit the terminals with
tools or other metal objects. This would cause the battery to heat up very quickly,
which could lead to damage or explosion
and personal injury .
- When a battery is charged, it produces
hydrogen 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 ca
ble.
- Before performing any work on the elec trical system, switch off the engine and
ignition as well as any electrical equip
ment. The negative cable on the battery
must be disconnected.
If you are just go
ing 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! Other
wise you will set off the alarm.
- When disconnecting the battery, first
disconnect the negative cable and then
the positive cable.
- Before reconnecting the battery, make
sure all electrical consumers are switch
ed off. Reconnect the positive cable first
and then the negative cable. Never inter
change the cables - this could start a fire!
Checking and filling 237
- Never charge a frozen or a thawed-out
battery . It could explode! If a battery has
frozen, then it must be replaced. A dis
charged battery can freeze over at 32 °F
(0 oc).
-Make sure the vent hose is always attach
ed to the opening on the side of the bat
tery .
- Never use batteries which are damaged.
There is the danger of an explosion! Al
ways replace a damaged battery .
A WARNING
California Proposition 65 Warning:
- Battery posts, terminals and related ac
cessories contain lead and lead com
pounds, chemicals known to the State of
California to cause cancer and reproduc
tive problems . Wash hands after han
dling .
(D Note
-Do not disconnect the vehicle battery
when the ignition is on or when the en
gine is running, otherwise, you will dam
age electronic components in the electri
cal system.
- If your vehicle is going to stand for a
long period of time without being driven,
protect the battery from "freezing", oth
erwise it will be damaged and will then
have to be replaced.
Battery charging
Start ing the engine requires a well charged
battery.
Fig . 189 Eng in e compart ment : co nnecto rs for a charg ·
e r and jump st art cable s
1111>
238 Check ing and filling
Al ways read and h eed all WARNING S below
¢ A and ¢ A in Working on the bottery on
page 236.
.,. Switch off the ignit ion and all electrical con
sumers .
.,. Make sure the area is well venti lated when
yo u charge the battery.
.,. Open the engine hood
¢page 225.
.,. Open the red cover on the posit ive pole
¢ fig . 189 .
.,. Connect the charger connectors accord ing
to the instruct ions to the
jump start bol ts.
(Bolts under the red cover= "positive", Bolts
with hex head= "negative") .
.,. Only now plug the mains lead for the charg
ing equipment into the wall outlet and turn
it on ¢.&_ .
.,. Ma ke s ure the charging ra te i s n ot o ver
30 amp s/14. 8 Volt.
.,. When the battery is fully charged: Turn the
charging equ ipment off and remove the
mains lead from the wall outlet .
.,. Now remove the clamps for the charging
equipment.
.,. Close the red cove r o n the pos it ive pole.
.,. Close the hood
¢ page 226.
A discharged batte ry can fre eze at tempera
tures of on ly 32 F
0 (0 °C). A llow a frozen bat
tery to thaw completely befo re attempt ing to
charge it¢
A . Howeve r, we recommend not
using a thawed battery again because the bat
tery cas ing can be cracked d ue to ice forma
tion and can leak battery acid.
Batt ery charging (Ma ximum charging rate
of 30 amp s/14 .8 Volt)
When charging at low voltages (e.g . w ith a
tr ickle ch arger ), the battery cables do not
have to be d isconnected first. The battery
caps should
not be opened when charging a
battery .
It is not necessary to remove the battery from
the luggage compartment, and it is also not
necessary to disconnect the cables .
Fast charging the battery (ch arging rate
a bo ve 14 .8 V olts)
For technical reasons do not use a battery
charger that uses voltage greater than 14.8
Volts to charge your vehicle's battery.
A WARNING
--Charging a battery can be dangerous .
-Always follow the operating instructions
provided by the battery charger manu
facturer when charg ing your battery .
- Never charge a frozen battery. It may ex
plode because of gas trapped in the ice.
Allow a frozen battery to thaw out f irst .
- Do not reuse batteries wh ich were fro
zen. The battery housing may have
cracked and weakened when the battery
froze.
- Charge the battery in a well ventilated area. Keep away from open flame or elec
tr ica l spark. Do not smoke. Hydrogen gas
generated by the battery is explos ive .
- To reduce the danger of explosion, never
connect or d isconnect charger cab les
while the charger is ope rat ing .
- Fast charging a battery is dangerous and
should only be attempted by a compe
tent techn ic ian wi th the proper equip
ment .
- Battery acid that may sp ill dur ing cha rg
ing should be washe d off wi th a solut ion
of wa rm water and baking soda to neu
tralize the ac id.
(D Note
Neve r use a fast charger as a booster to
start the eng ine. Th is w ill seriously dam
age sensit ive e lectronic components, such
as contro l units, re lays, radio, etc., as well
as the battery charger.
Battery replacement
The new battery must have the same specifi
cations and dimensions as the original equip
ment battery.
Intell igent energy management in your vehi
cle is respons ible for d istributing the electri
cal energy throughout your vehicle
~ page 197. The intel ligent energy ma nage
ment system w ill keep the eng ine batte ry
charged be tte r than vehicles w ithout t his sys
tem . To make sure the additional e lectrical en
ergy is available once again after you have
changed the battery, we recommend that you
install batteries of the same type and man u
facture only (the same as those installed at
the time your vehicle was delivered). Specifi
cations a re listed on the battery hous ing . Your
author ized dealer must code the battery in
the energy management system to enable you
to use the energy managemen t fu nctions co r
rectly a fter replacing the battery .
The new battery must have the same capacity,
voltage (12-vo lts), a mperage, construct ion
and p lug sealing.
When installing the battery , make sure the ig
n ition and all e lectr ica l cons umers are sw itch
ed off.
CD Note
Make sure the ventilation hose on the s ide
of the battery is connected, ot herwise
fumes or battery ac id can leak out.
- Vehicles with the Start-Stop-System* are
equipped with a specia l cycle-proof AGM
batte ry. Insta lling a different type of
batte ry can c ause prob lems in the vehi
cle electrical system . When rep lacing the
vehicle battery, always insta ll one with
the same specifications as the original battery.
@ For the sake of the environment
Because of the problem of proper disposa l
of a battery, we recommend your author
ized Aud i dea ler change the battery for
you. Batter ies contain sulf uric ac id and
Checkin g and fillin g 239
lead and must always be disposed o f prop
erly in compliance with a ll environmental
regulations. Disposing of vehicle batter ies
i mproperly is very dangerous to the envi
ronment.
Windshield/headlight
washer container
Fi g. 1 90 Engine compar tment: cover on th e windshield
and headl ig ht* washe r flu id reservo ir
The washer fluid conta iner is marked w ith the
symbol ~ on its cap
~ fig . 190, ~fig. 184.
... Before you check anything in the engine
compartment,
always r ead and heed all
WARNINGS ¢ _& in Working in the engine
compartment on page 225.
... Lift the fil le r cap tongue to add washer flu
id. You can fi ll the containe r to the top.
... Press the cap back onto the fi lle r neck after
filling the container.
You can find the reservo ir
cap acit y in the table
in
¢ page 282.
Clean water should be used when filling up. If
poss ible, use soft wa ter to prevent scaling on
washer jets . Always add a g lass cleaner solu
tion (with frost protection in the winter).
CD Note
Do not mix engine coo lant antifreeze or
any o ther additives to fill up t he wind
sh ield washer reservoir .
•
•
24 0 T ire s and wheel s
Tires and wheels
Tires
General notes
Tires may be the least appreciated and most
abused parts of a motor vehicle .
Tires may be the least appreciated and most
abused parts of a motor vehicle . Tires are,
however, one of the most important parts of a
vehicle, particularly considering the compara
tive ly small patch of rubber on each tire that
assures that all -impo rtant contact between
you, your vehicle and the road.
Maintaining the correct tire pressure, mak ing
sure that your vehicle and its tires do not have
to carry mo re weight than they can safe ly han
d le, avoiding damage from road hazards and
reg ularly inspecting t ires for damage includ
ing cuts, slashes irregu la r wear and ove rall
condition are the most important things that
you can do to he lp avoid sudden tire failure in
cluding tread separation and blowouts.
A voidin g damage
I f you have to drive over a curb or similar ob
stacle, drive very s low ly and as close as possi
b le at a right angle to the curb.
A lways keep chem ica ls includ ing grease, o il,
gasoline and b rake fluid off the ti res.
Inspect the t ires regularly for damage (cuts,
cracks or b listers, etc.). Remove any fo reign
bod ies embedded in the treads.
St oring tires
Mark tires when you remove them to indicate
the direction of rotation . Th is ensures you to
be ab le to mount them correctly when you re
install t hem.
When removed, the wheels or t ires should be
stored in a cool, dry and preferably dark place .
Store tires in a vertical pos ition if they are not
mounted on rims, in a horizontal pos it ion if
they are mounted on rims. New tire
s
New t ires have to be broken in¢&,. .
T he tread depth of new t ires may vary, accord
ing to the type a nd make of t ire and the tread
pa tte rn .
Hidden damage
Damage to tires and r ims is often not readily
vis ible . If you notice unusual v ibrat ion or the
vehicle p ulls to one side, th is may ind icate
that one of the t ires has been damaged . Th e
t ir es m ust be checked immed iate ly by an au
tho rized Aud i dea le r or q uali fied wor kshop.
Unidirectional t ires
A un idirectional tire can be identified by ar
rows on the sidewa ll, that po int in the direc
t ion the t ire is designed to rotate. You must
fol low the specified d irection of rotation . This
is necessary so that these tires can develop
their optimum characteristics regarding grip, road no ise, wear and hydrop laning resistance.
For more information ¢
page 268.
A WARNING
-New tires or tires that are old, worn or
damaged cannot provide maximum con
trol and braking ability .
-
-New tires tend to be slippery and must
be broken in . To reduce the risk of losing
control, a co llision and ser ious personal
in jur ies, d rive w ith special ca re fo r the
fi rst 350 m iles (560 km).
- Driving with worn or damaged tires can
lead to loss of control, sudden tire fail
ure, including a blowou t and sudden de
fl ation, c rashes and seriou s personal in
juries . Have wo rn or damaged t ires re
p laced immediate ly .
- T ires age even if they are not being used
and can fai l sudden ly, especially at high
speeds. Tires that are more than 6 years
old can only be used in an emergency
and then w ith specia l care and at low
speed.
24 6 T ire s and whee ls
The correct tire pressure for the spare wheel is
located on a label on the driver's side B-pillar.
Because tec hnical changes may be made to
vehicle equ ipment dur ing the model year, a l
ways compare the tire size designation on the
tire pressure labe l on your vehicle with the
tires on your vehicle . Make sure that the tire
si ze information on the vehicle label is the
same as the si ze of the tires on the vehicle.
This is especially important if the vehicle be
longs to someone else or you bought the veh i
cle with different rims/tires or you bought the
vehicle as a p reviously owned vehicle.
Remember, your safety and that of your pas
sengers also depends on mak ing sure that
l oad limits are not exceeded. Vehicle load in
cludes everybody and everything in and on the
ve hicl e. These load limits are technically refer
red to as the vehicle's Gross Vehicle Weight
Rating ("GVWR") . The Gross Ax le Weight Rat
ing ("GAWR") is the maximum load that can
be applied at each of the veh icle's two axles.
The Gross Vehicle Weight Rating and the
Gross Axle Weight Rating are listed on the
safety compliance st icker labe l located on the
driver 's side B-p illar . The tire pressure label on
your Aud i lists the maximum combined
weight of all of the occupants and luggage or
o ther cargo that the vehicle can carry. For the
l ocation of the tire pressu re labe l
i=:> fig. 191.
A WARNING
Overloading a vehicle can cause loss of ve
hicle control, a cras h or other accident, se
r ious personal injury, and even death.
- Carrying more weight than yo ur vehicle
was designed to carry will prevent the
vehicle from handling properly and in
crease the risk of a loss of veh icle con
trol.
- The brakes on a veh icle that has been
overloaded may not be able to stop the
vehicle within a safe distance.
- Tires on a vehicle that has been overload
ed can fail suddenly causing loss of con
trol and a crash . -
Always make sure that the total load be
ing transported - including the weight of
a trailer hitch and the tongue we ight of a
loaded trailer -does not make the vehi
cle heavier than the vehicle's G ross Vehi
cle Weight Rating.
A WARNING
-- I ncorrect tire pressures and/or underin-
flation can lead to a serious or fatal acci
dent.
- I nco rrect tire pressures and/or underin
flation cause increased ti re wear and can
affec t the handling of the vehicle .
- I nco rrect tire pressures and/or underin
flation can a lso lead to s udden t ire fail
ure, including a blowou t and sudden de
flation, ca using loss of veh icle cont ro l.
Checking tire pressure
The correct tire pressure for the tires original
ly installed on your vehicle is listed on the tire
pressur e label located on driver's side 8-pil
lar .
The recommended tire pressures are on the
t ir e pressure label and in the table
i=:> page 244, Cold tire inflation pressure.This
means that the pressure m ust be checked and
adjusted when the t ire has not been dr iven for
more than a couple of miles (kilometers) at
low speeds during the previous three hours.
Air in the tires expands when the tire heats up as a result of inter nal frict ion as it flexes in
u se . T he t ire pressure is higher when the tire
has warmed up t han whe n it is "co ld. "
It is the inflation pressure in a "co ld" t ire that
counts . The refore, you should never let a ir out
of a wa rm tire to match "Cold t ire inflat ion
pressure" recomme ndat ions
i=:, page 244 . The
t ir es wo uld then be unde rinflated and co uld
fail suddenly .
T he t ire pressure label on your Audi lists the
recommended co ld tire inflation pressures at
m aximum cap acity for the new, or ig inal
equipmen t tires tha t were on your vehicle at ..,.
the time it was manufactured. For the
l ocation of the labe l¢
fig . 191.
Most ti res lose a ir naturally over time. They
can also lose some a ir if you drive ove r a pot
hole or hit a curb while parking . It is usua lly
not possib le to see whether the radia l tires
used today are underinflated just by looking
at them.
Therefore, be sure to check tire pressures at
l east once a month and always before going
on a long trip. Make sure to take the number
of people and the amount of luggage into ac
count when adjusting tire pressure for a trip -
even one that you would not consider to be
"long ." See ¢
page 248, Tires and vehicle
load limits
for more important information .
Always use an accurate tire pressure gauge
when check ing and adjusting inflation pres
sures . Check all of the t ires and be sure not to
forget the spare t ire. If the p ressure in any tire
i s too high when the tire is "cold," le t air out
of the ti re slowly with t he edge of the t ire
ga uge and keep checking the pressure un til
you reach the press ure that is correct for the
l oad (passengers and luggage) and kind of
driving you plan to do .
I f the p ressure in any tire is too low, note the
d ifference between the pressure in the cold
tire and the pressure yo u need and add the a ir
that you need to reach the correct pressure for
the vehicle load (passengers and luggage) for
the t ires on your vehicle as listed on the on
your veh icle and in this manua l and the kind
of dr iv ing yo u pla n to do .
Never e xceed the ma ximum inflation pres
sure listed on the t ire s ide wall for any rea
son.
Remember that the vehicle manufacturer, not
the t ire manufacturer, determ ines the correct
tire pressure for the t ires on your vehicle .
It is important to check the tire pressure when
the tires are cold .
- Read the requ ired ti re press ure from the tire
pressure label. The tire pressure labe l is lo
cated on the driver's side B-pi llar .
Tire s an d wheel s 24 7
- Turn the va lve stem cap counter -clockw ise
to remove it from the tire va lve .
- Place the ai r pressure gauge on the va lve.
- The tire pressures should o nly be checked
a nd ad justed when the tires are co ld. The
slightly raised pressures of warm tires must
not be reduced.
- Adjust the tire pressure to the load you are
carrying.
- Reins tall the valve stem cap on t he va lve.
When should I check the tire pressure?
The correct tire pressure is especially impor
tant at high speeds . The pressure should
the refore be checked at least once a month
and always before sta rting a jo urney. Do not
f o rge t to chec k the ti re p ressu re fo r the sp are
whee l
q page 262.
When should I adjust the tire pressures?
Adjust the t ire pr essure to the load you a re
ca rrying. After chang ing a whee l
or replacing
whee ls yo u have to adjust the ti re p ressu res
on all whee ls. In addition, yo u m ust then
store the new tire pressures in the tire pres
s u re monito ring system*
q page 258.
A WARNING
Incorrect tire pressures and/or underinfla
tion can lead sudden tire fa ilure, loss of
control, collision, serious personal injury
or even death.
- When the warning symbol
RI] appears in
the instrument cluster, stop and inspect
the t ires.
- Incorrect tire pressure and/or underinfla
tion can cause increased tire wear and
can affect the handli ng of the vehicle and
stopping ability.
- Incorrect tire pressures and/or underin
f lation can a lso lead to sudden t ire fail
ure, including a blowout a nd sudden de
f lation, ca u sing loss of veh icle cont ro l.
- T he drive r is responsib le for the co rrect
tire pressures for all tires on the ve hicle.
Th e appli cable pressure values are locat
ed on a sticker o n the dr iver's s ide B-pil-
la~
~
•
•
The tire pressure label on your Audi also lists
the maximum combined weight of all of the
occupants and luggage or other cargo that
the vehicle can carry. For the location of the
label
c:::>fig. 191.
A WARNING
Overloading a vehicle can cause loss of ve
hicle control, a crash or other accident, se
rious personal injury, and even death.
- Carrying more weight than your vehicle
was designed to carry will prevent the
vehicle from handling properly and in
crease the risk of the loss of vehicle con
trol.
- The brakes on a vehicle that has been
overloaded may not be able to stop the
vehicle within a safe distance.
- Tires on a vehicle that has been overload
ed can fail suddenly, including a blowout
and sudden deflation, causing loss of
control and a crash.
- Always make sure that the total load be
ing transported -including the weight of
a trailer hitch and the tongue weight of a
loaded trailer -does not make the vehi
cle heavier than the vehicle's Gross Vehi
cle Weight Rating.
Determining correct load limit
Use the example below to cal
culate the total weight of the
passengers and luggage or oth
er things that you plan to trans
port so that you can make sure
that your vehicle will not be
overloaded.
Steps for Determining
Correct Load Limit
1. Locate the statement "THE COMBINED WEIGHT OF QC-
Tires and wheels 249
CUPANTS AND CARGO
SHOULD NEVER EXCEED XXX KG OR XXX LBS" on your ve
hicle's placard (tire inflation
pressure label)
¢ fig. 191.
2. Determine the combined weight of the driver and passengers that will be riding in
your vehicle.
3. Subtract the combined weight of the driver and passengers from
"XXX" kilo
grams or
"XXX" pounds
shown on the sticker
¢ fig. 191.
4. The resulting figure equals
the available amount of car
go and luggage load capaci
ty. For example, if the
"XXX"
amount equals 1400 lbs.
and there will be five 150 lbs. passengers in your vehi
cle, the amount of available
cargo and luggage load ca pacity is 650 lbs. (1400-7 50
(5
X 150) = 650 lbs.)
5. Determine the combined weight of luggage and cargo being loaded on the vehicle.
That weight may not safely exceed the available cargo
and luggage load capacity
calculated in Step 4.
•
•
Unbalanced whee ls must be rebalanced to
avoid excessive wea r on steering, suspension
and tires. A wheel must a lso be rebalanced
when a new tire is installed .
Incorrect wheel alignment
Incorrect whee l alignment can cause exces
sive tire wear, impairing the safety o f the vehi
cle. If tires show excess ive wear, have the
wheel alignment checked by an authorized
Audi dealer or qualified workshop .
All-wheel d rive
Vehicles w ith quattro ® must always have tires
of the same size, construction and tread type .
F or detai ls see
r=!:> page 196 .
A WARNING
Sudden tire failure can lead to loss of con
trol, a crash and serious persona l injury!
- Never drive a veh icle when the tread on
any tire is worn down to the wear indica
tors.
- Worn tires are a safety hazard, they do not grip well on wet roads and increase
your risk of"hydrop lan ing" and loss of
co ntrol.
- Always keep chemicals that can cause
tire damage, such as grease, oil , gasoline
and brake fluid away from t ires.
- Tires age eve n if they are not be ing used
and can fail suddenly, especially at high
speeds. T ires that are more than 6 years
o ld can only be used in an emergency
and then with spe cial care a nd at lower
s peeds.
- Never mount used ti res on yo ur vehicle if
yo u a re not s ure of their "prev ious histo
ry." Old used ti res may have been dam
aged even though the damage cannot be
seen that can lead to s udden tire failure
and loss of vehicle control. Tires and wheels 251
New tires and replacing tires and wheels
New tires and wheels have to be broken in
.
Fig. 19 5 Tir e spec ificat io n codes on t he s idewall o f a
tire
No. De sc ription
CD Passenger car tire (where applicable)
@ Nomina l w idth of t ire in mill imeters
® Ratio of height to width (aspect ratio)
© Rad ial
® Rim diameter code
® Load index and speed rating
(f) U.S. DOT tire identification number
® Aud i Origina l tire
® Sever snow conditions
@ T ire ply composition and mater ials
used
@ Maximum load rating
@ Treadwear, traction and temperat ure
grades
@ Maximum permissible inflation pres-
sure
T he tires and rims are essential parts o f the
vehicle's design . The ti res and rims app roved
by Audi a re spec ia lly matched to the charac
teris tic s of the ve hicl e and can m ake a major .,.
•