2012 AUDI A5 COUPE warning

248 Checking and filling
Have the battery checked when you take your
ve hicle in for service. Yo u are well advised to
replace a battery that is older than 5 years .
W ith certa in types o f airbag deployment, the
battery is d isconnected from the vehicle elec ­
trica l system for safety reasons ¢
& in Re­
pair, core and disposal of the airbags on
page 176.
Disconnecting the battery terminals
Some veh icle func tions (power w indow regu­
l a tors, for example) are los t if the bat tery ter ­
minals a re disconnected . These functions have
to be re learned after the battery terminals a re
connected agai n. To prevent this, the battery
should only be disconnected from the vehicle
e lectrical system whe n absolutely necessary
for repairs .
Vehicles not driven for long period s
If you do not drive your vehicle over a period
of several days or weeks, electrical compo­ n ents are gradually cut back o r switched off.
This reduces energy consumption and main ­
tains starting capab il ity over a longer period
¢ pag e 211.
Some of the conven ience functions may not
operate, such as the inter ior lights or the
power seat adjustm ent. The conven ience
f u nctions w ill be ava ilable again when you
turn on the igni tion and st art the eng ine.
Winter operation
During the winter months, battery capacity
tends to decrease as tempe rat ures d rop . This
i s becaus e more powe r is also consumed while
start ing , a nd the headligh ts, rea r window de­
f o gger, etc., are used more o ften .
Avoid unnec essary power consumption, par­
ticular ly in c ity traffic or w hen t rave ling o nly
short d istances. Let you r auth o riz ed Audi
d ea le r che ck t he cap acity of the ve hicl e bat­
tery be fore w inte r se ts in
¢ page 250. A we ll
cha rged batte ry w ill not only prevent sta rting
p ro bl ems when the weathe r is cold, but wi ll
a ls o l ast longer.
(D Tips
If your vehicle is left stan ding for seve ral
weeks at e xtremely low temperatures, the
vehicle battery sho uld be removed and
st ored w here it w ill n ot freeze . This will
p revent it from be ing damaged and having
to be replace d.
Working on the battery
Be especially careful when working on or near
the battery.
The battery is located in the luggage compart ­
ment under the floo r. Befo re you check any­
t hi ng in the luggage compartment,
read and
heed all WARNINGS
¢ ,& .
Always heed t he safety warnings , when work­
i ng on the veh icle battery or the vehicle e lec­
t rical system to prevent injury.
The following WARNINGS are very
important when working on the battery:
Always heed the following WARNING SYM­BOLS and safety precautions when working on the battery .
@) Always wear eye protection .
b.. Battery acid contains sulfuric acid . Al­
~ ways wear gloves and eye protection .
~ No
\!!51 -sparks
-flames
-smoking.
A. When a battery is charged, it produces
&£:,. hydrogen gas which is explosive and
could cause personal injury.
~ Always keep the battery well out of
V:!JI reach of children.
_& WARNING
Wh eneve r workin g on th e ba ttery o r o n
the elec trical system, there is t he ris k of
in jury, accident and even fi re . Read and
h eed the followin g WAR NINGS:
-

-Always wear eye protection. Do not let
battery acid or any lead particles get on
your skin or clothing. Shield your eyes .
Explosive gases can cause blindness or
other injury.
- Battery acid contains sulfuric acid . Sulfu­
ric acid can cause blindness and severe
burns.
- 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.
Checking and filling 249
-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!
- 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
(QOC),
-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.
&_ 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 switched on or when the engine is running, 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", oth­
erwise it will be damaged and will then
have to be replaced.
•
•

250 Checking and filling
Battery charging
Starting the engine requires a well charged
battery.
Fig. 208 Engine compartme nt: Connectors for charger
and jumper cables
Always read and heed all WARNINGS below
c:> A and c:> A in Working on the battery on
page 248 .
.,. Turn off the ignition and all electrical con­
sumers.
> Make sure the area is well ventilated when
you charge the battery .
> Open the engine hood r:::.> page 237 .
> Open the red cover on the posit ive pole
<::.>fig . 208.
> Connect the charger connectors according
to the instructions to the
jump start bolts.
(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
iton
c:> &_ .
.,. Make sure the charging rate is not over
30 amps/14.8 Volt.
> When the battery is fully charged: Turn the
charging equipm ent off and
remove the
mains lead from the wall outlet.
> Now remove the clamps for the charging
equipment.
.,. Close the red cover on the positive pole.
> Close the hood c:> page 23 7.
A discharged battery can freeze at tempera­
tures of on ly 32 °F (0 °C). Allow a frozen bat­
tery to thaw completely before attempting to charge it
c:> .&. However, we recommend not
using a thawed battery again because the bat- tery casing can
be cracked due to ice forma ­
tion and can leak battery acid.
Battery charging (Maximum charging rate
of 30 amps/14.8 Volt)
When charging at low voltages (e.g. with a
trickle charger), the battery cables do not
have to be disconnected first. The battery
caps should
not be opened when charging a
battery.
It i s not necessary to remove the battery from
the luggage compartment.
Fast charging the battery (charging rate
above 14 .8 Volts)
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 charging 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 first.
- Do not reuse batteries wh ich were fro­
zen. The battery hous ing may have
cracked and weakened when the battery
froze.
- Charge the battery in a well ventilated
area . Keep away from open flame or elec­
trica l spark. Do not smoke. Hydrogen gas
generated by the battery is explos ive.
- To reduce the danger of explosion,
never
connect or disconnect charger cables
while the charger is operating.
- Fast charging a battery is dangerous and
should only be attempted by a compe­
tent technician with the proper equip­
ment.
- Battery acid that may spill during charg­
ing should be washed off with a solut ion
of warm water and baking soda to neu-
tralize the acid. ....
L..__ _____________ _J ...

CD Note
Never use a fast charger as a booster to
start the engine. This will seriously dam­
age sensitive electronic components, such
as control units, relays, 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.
Intelligent energy management in your vehi­
cle is responsible for distributing the electri­
cal energy throughout your vehicle
c::, page 211. The intelligent energy manage­
ment system w ill keep the engine battery
charged bette r then ve hicles w ithout this sys­
tem. To ma ke sure t he addi tional 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 are listed on the battery housing. Your
author ized Audi dealer must code the battery
i n the energy management system to enable
you to use the energy management functions
correctly after replac ing the bat tery .
If it is not possible to use a battery of this
type, the new battery must have the same ca­ pac ity, voltage (12 volts), amperage, con­
s truction and pl ug seal ing .
When insta lli ng the battery, make sure the ig ­
ni tion and all e lectr ica l cons umers are turned
off.
(0 Note
Ma ke sure the venti lation hose on the s ide
of the battery is connected, othe rwis e
fumes or battery ac id can leak out.
@ For the sake of the environment
Because of the problem of proper d isposa l
of a batte ry, we recommend your author­
ize d Au di dealer change th e batte ry for
Checkin g and fillin g 251
you. Batteries contain sul fur ic acid and
l ead and must always be disposed of prop­
erly in comp liance with a ll environmental
regulations. Disposing of vehicle batter ies
i mproperly is very dange rous to the envi­
r o nment .
Windshield/headlight*
washer container
Fig . 20 9 En gin e compa rtm ent : W inds hield an d head ­
light• washer fluid co ntai ne r
The was her fluid conta iner is mar ked w ith the
symbol Won its cap.
.., Before you check any thing in the engine
compa rtment,
alwa ys read and heed all
WARNINGS ~ .&_ in Working in the engine
compartment on page 23
7.
.., Lift the fi lle r ca p tongue to add washer flu ­
id. You can fi ll the containe r to t he top .
.., Press the cap back onto t he fi ller neck after
filling the container.
You can find the reservo ir
capacity in the table
in
c::> page 292.
Clean water should be used when filling up. If
poss ible, use soft wa ter to prevent scaling on
the washer jets . Always ad d a glass cleaner
solution (with frost protection in the winter) .
CD Note
Do not mix engine coola nt antifree ze o r
any other additives to fill up t he wind­
sh ield washer reservoir .

252 Tire 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 a ll-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.
Avoiding 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 gre ase, 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.
Storing 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 whee ls or t ires should be
stored in a cool, d ry 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 ofte n not readily
vis ible . If you notice unusual v ibrat ion or the
vehicle p ulls to one side, th is may ind icate
t h at 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 ks hop.
Unidirectional t ires
A un idirectional tire can be identified by ar­
rows on the sid ewa ll, that po int in the direc­
t ion the t ire is desig ned to rotate. You mus t
f ol low the specified d irection of rotation . This
is necessary so that these tires can develop
their optimum characterist ics regarding grip,
road no ise, wear and hyd rop laning resistance.
For more information ¢
page 2 79.
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
also be broken-in. To reduce t he risk of
losing control, a collision and se rious
pe rsonal injuries, drive w it h specia l care
for the first 350 miles (560 km).
- Driving with worn or damaged tires can
le ad 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
an d 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.

254 Tires and wheels
Maximum loaded vehicle weight
means the sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight, and
(d) Production options weight
Maximum (permissible) inflation pressure
means the maximum cold inflation pressu re
to which a tire may be inflated. Also called
"maximum inflation p ressure."
Normal occupant weight
means 150 lbs. (68 kilograms) times the
number of occupants seated in the vehicle up
to the total seating capacity of your vehicle.
Occupant distribution means distribution of occupants in a vehicle .
Outer diameter means the overa ll diameter of an inf lated new
tire.
Overall width
means the linear distance between the exteri­
ors of the sidewalls of an inflated tire, includ­
ing e levations due to labeling, decorations, or
protective bands or ribs.
Ply
means a layer of rubber-coated parallel cords.
Production options weight
means the comb ined weight of those installed
regular production options weighing over 5
lbs . (2 .3 kg) in excess of those standard items
which they replace, not previously considered
in curb weight or accessory weight, including
heavy duty brakes, r ide leve lers, roof rack,
heavy duty battery, and specia l trim .
Radial ply tire
means a pneumatic tir e in which the p ly cords
that extend to the beads are laid at substan­
tially 90 degrees to the centerline of the
tread . Recommended inflation pressure
see
~
page 253, Cold tire inflation pressure.
Reinforced tire
means a t ire design to operate at higher loads
and at h igher inflation pressures than the cor­
responding standard tire. Reinforced tires
may be identified as "XL", "xl", "EXTRA LOAD",
o r "R F" on the sidewall.
Rim
means a metal support for a tire or a t ire and
tube assembly upon which the tire beads are
seated.
Rim diameter
means nom inal d iameter of the bead seat.
If
you change your wheel s ize, you will have to
purchase new tires to match the new rim di­
ameter .
Rim size designation
means rim diameter and width.
Rim width
means nominal distance between rim flanges.
Sidewall
means that portion of a tire between the
t read and bead.
Speed rating (letter code)
means the speed at which a tire is designed to
be driven for extended periods of time. The
ratings range from 93 mph (150 km/h) to
186 mph (298 km/h)
~ page 264 . You may
not find this information on all tires because
it is not requ ired by law.
The speed rating letter code, where applica­
ble , is molded on the tire sidewall and indi­
cates the max imum perm issible road speeds
~ A in Winter tires on page 268.
Tire pressure monitoring system*
means a system that detects when one or
more of a veh icle's tires are underinflated and
illuminates a low tire pressure warning tell­
tale.

Tires an d wheel s 257
labe l and exact location on the vehicle wi ll
va ry slightly). inside the f
uel fi ller flap) always takes p rece ­
dence.
Note that the f ollowing tab le is accurate at
t he t ime o f go ing to press and is subject to
change. In the event of discrepancies, the tire
pressure label (On USA vehicles, the tire pres­
sure label is located on the dr iver's side B-pil­
lar. On Canada vehicles, the tire pre ssure labe l
is located either on the driver's side B-pillar or T
he table below lists the recommended cold
ti re in flat ion p ressu res for the Audi mode l
cove red by your Owner 's Literat ure at the vehi­
cle's capacity weight and the t ire sizes instal­
l ed on the respect ive models as orig inal
equipment, or as a factory option.
Engine Tire designation Tire pressure front Tire pressure rear
( displace-
normal load normal load
ment in li- condition full load condition
full load
ter) (up to 2 oc-condition (up to 2 oc- condition
cupant s) cupants)
PSI kPA PSI kPA PSI kPA
4-cylinder 225 /50 Rl 7 94H All Season
230
33 230
2
.0
245/45 Rl 7 95H All Season 230
245 /40 R18 93H All S eason 33 230 35 240 29 200 35 240
255 /35 R19 96V XL High 32 220 33 230 32 220 33 230 Performance
265 /30 R20 94V XL H igh
Perfo rmance
30 210 33 230 29 200 33 230
XL= reinforced or extra load tire. It may also appear as xl , EXTRA LOAD, or RF on the tire side­
wall.
The correct tire pressure for the spare wheel i s
located on a label e ither on the driver's side B­
p illar or ins ide the fuel filler flap .
Because technical changes may be made to
vehicle equ ipment dur ing the model year, a l­
ways compare the tire s ize designation on the
tire pressure label on your vehicle w it h the
tires on your veh icle. Ma ke sure that the tire
size info rmation on the ve hicle label is the
s a me as the s ize of the t ires on the vehicle.
This is especia lly important if the vehicle be­
l ongs to someone else or you bought the vehi­
cle with different rims/tires o r you bought the
vehicle as a previously owned vehicle.
Remember, your safety and that of your pas ­
sengers also depends on mak ing su re that
l oad limits a re not exceeded . Vehicle load in­
cludes everybody and everything in and on the
ve hicle. These load limits are technically refer­
red to as the vehicle's G ross Vehicle We ight Rat
ing ("GVWR"). The Gross Axle We ight Rat­
ing ("GAWR") is the maximum load that can
be applied at each of the vehicle's two axles .
T he Gross Vehicle Weight Rat ing and the
G ross Ax le Weig ht Rating are listed on the
sa fe ty comp liance sticke r label lo cated e ither
on the dr iver's s ide B-pillar or on the ins ide of
the fue l filler flap. The tire pressure labe l on
your A udi lists the maximum combined
weight of all of the occ upants and luggage or
other cargo that the veh icle can carry . For t he
loca tion of the t ire p ressure label¢
fig. 210.
A WARNING
Overloading a vehicle can cause loss of ve­
h icle cont ro l, a c rash or other accide nt, se­
rious pe rsonal injury, and even death.
- Ca rrying more we ight than your veh icle
was des igned to carry will prevent the
1
I
•
•

258 Tire s and whee ls
vehicle from handling properly and in­
crease the risk of a loss of vehicle
control.
- 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 causing loss of con­
tro l and a crash.
- Always make sure that the tota l load be­
ing transported -including the weight of
a tra iler hitch and the tongue weight of a
loaded trailer -does not make the veh i­
cle heav ier than the veh icle's Gross Vehi­
cle Weight Rating.
_& WARNING
- Incorrect tire pressures and/or underin­
flation can lead to a serious o r fatal acci­
dent.
- Incorrect tire pressures and/or underin­
flation cause increased tire wear and can
affect the handling of the vehicle.
- Incorrect tire pressures and/or underin­
flation can also lead to sudden tire fai l­
ure, including a blowo ut and sudden de­
flation, causing loss of vehicle control.
Checking tire pressure
.
The correct tire pressure for the tires original­
ly installed on your vehicle is listed on the tire
pressure label located either on driver's side 8-pillar or inside the fuel filler flap.
The recommended tire pressures are on the
tire pressure labe l and in the tab le
¢ page 256, Cold tire inflation pressure .This
means that the pressure must be checked and
adjusted when the tire has not been driven for
more than a couple of miles (kilometers) at
low speeds during the previous three hours .
A ir in the tires expands when the tire heats up
as a result of inte rna l fr iction as it flexes in
use. The ti re p ress ure is higher when the tire
has warmed up than when it is "cold."
It is the inflat ion pressure in a "cold" tire that
counts. Therefo re, you should never let air out of a warm tire to match "Cold tire
inflation
pressure" recommendations ¢
page 256. The
t ires wo uld then be underinf lated and co uld
fail suddenly.
The tire pressure label on your Audi lists the
recommended co ld tire inflation pressures at
maximum capacity for the new, orig inal
equipment tires that were on your vehicle at
the time it was manufactured. For the loca­
t ion of the labe l
¢page 256, fig . 210 .
Most tires lose air natura lly over t ime. They
can a lso lose some air if you drive over a pot­
hole or hit a curb while park ing. It is usually
not possible to see whether the rad ial tires
used today are underinflated just by look ing
at them.
Therefore, be sure to check t ire pressures at
least once a month and a lways before going
on a long trip . Make sure to take the number
of peop le and the amount of luggage into ac­
count when adjust ing ti re pressu re for a trip -
even one that yo u wou ld not consider to be
" long." See
¢ page 260, Tires and vehicle
load limits
for mo re important information.
Always use an accurate tire p ressu re ga uge
when checking and ad justing inflat ion pres­
sures . Check a ll of the tires and be s ure not to
forget the spare tire. If the pressure in any tire
is too high when the tire is "cold," let air o ut
of the tire s low ly with the edge of the tire
gauge and keep checking the pressure until
you reach the pressure that is correct for the load (passengers and luggage) and k ind of
dr iv ing you plan to do .
If the pressure in any tire is too low, note the
difference between the pressure in the co ld
t ire and the pressure you need and add the air
that you need to reach the correct pressure for
the vehicle load (passengers and luggage) for
the tires on your vehi cle as listed on the on
yo ur vehicle and in th is m anu al and the kind
of d riving you plan to do.
Ne ver e xceed th e maximum infl ation pre s­
sure lis ted o n the tir e side wall for any rea ­
s on.