2011 AUDI A5 COUPE ignition

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0 Note
Dr iv ing with an insufficient oil level is likely to cause severe damage
to the engine .
[ i ] Tips
• The oil pressure warning display~ is not an indicator of the oil
level. Do not rely on it. Instead , check the oil level in your engine at
regular intervals, preferably each time you refuel, and always
before going on a long trip .
• If you have the impression your engine consumes excessive
amounts of oil, we recommend that you consult an authorized Audi
dealer to have the cause of your concern properly diagnosed. Keep in
m ind that the accurate measurement of o il consumption requires
great care and may take some time. An authorized Audi dealer has
instructions about how to measure oil consumption accurately .•
Checking the engine oil level
Fig. 206 MMI Display:
Oil leve l ind icator
Read oil level
-Park your vehicle so that it is horizontally level.
- Shut the engine off when it is at operating temperature.
Vehicle OP-eration
-Wait approx . two minutes.
- Select: Function button
[CAR]> Oil level.
- Read the oil level in the MMI* Display => fig. 206. Add
engine oil if the bar of the oil level indicator is near "Min"
=>
page 279
Depending on the way the vehicle is driven and the operating condi­
tions, oil consumpt ion can be up to a 1/2 quart per 600 mi les (0.5
liter per 1,000 km). Consumption may be higher within the first
3,000 miles (5,000 km) .
[ i ] Tips
Th e oil level indicator in the MMI* Display is on ly an information
display.
If the oi l level is too low, a m inimum o il warning appears in
the instrument cluster. Add oil=>
page 2 79. If the hood has been
opened, the current oil level is shown in the instrument cluster the
next time the ignition is switched on .•
Adding engine oil Fig. 207 Engine
com partment: Oil filler
cap location
Before you check anything in the engine compartment,
always read and heed all WARNINGS=> & in "Working in
the engine compartment" on
page 275. .,,_
Vehicle care Do-it-yourselt service iTechnical data

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0 Note
• Before w inter sets in, have the coolant checked to see if the
coolant additive in your vehicle is sufficient to meet the climate
conditions. This is especially important if yo u live in a region where
the winter is extremely cold.
If necessary, increase the proportion of
coolant additive to 60% .
• When adding coolant additive to your cooling system, remember :
- We recommend using only coolant additive G12++ (check the
label) for your vehicle. This coolant additive is available at autho­
r iz ed Audi dealers. Other types of antifreeze can s ignificantly
reduce corrosion protection. The resulting 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 radiator repair flu id may adversely affect the
function and performance of your cooling system and cou ld result in
damage not covered by your New Vehicle Limited Warranty .•
Checking the engine coolant Level
The engine coolant level can be checked with a quick
glance.
Fig. 208 Engine
co mpartment : Coolant
expansion tank
Before you check anything in the engine compartment,
always read and heed all WARNINGS~ & in "Working in
the engine compartment" on
page 275.
-Turn off the ignition.
- Read the engine coolant level from the coolant expansion
tank~ fig. 208 . With a cold engine, the coolant level
should be between the "MIN" and "MAX" markings. When
the engine is warm, the level may be slightly above the
"MAX" marking.
The locat io n of the coolant expansion tank can be seen in the engine
compartment illustration~
page 276.
To obtain an accurate reading, the engine must be switched off.
The expansion tank in your vehicle is equipped with an electric coolant level sensor.
When the coolant level is too low, the warning light in the Auto-Check
System =>
page 34 will blink until you add coolant and the level has
been resto red to normal. Even though there is an electric coolant
level sensor, we still recommend you check the coolant level from
time to time.
Coolant loss
Coolant loss may indicate a leak in the coo ling system. In the event of
coolant loss, the cooling system should be inspected immediately by
your authorized Audi dealer. It is not enough merely to add coolant.
In a
sealed system, losses can occur only if the boiling point of the
coo lant is exceeded as a result of overheating .
& WARNING
The cooling system is under pressure and can get very hot. Reduce
the risk of scalding from hot coolant by following these steps.
• Turn off the engine and allow it to cool down.

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0 Note
• Coolant pollutes the environment and could cause an engine fire.
Excess coolant will be forced out through the pressure relief valve in
the cap when the engine becomes hot .
• If, in an emergency, only water can be added, the correct ratio
between water a nd antifreeze ::::>
page 281 must be restored as soon
as possible.
ci> For the sake of the environment
Drained coolant should not be reused. Always dispose of used coolant
wh ile observ ing all environmental regulations.•
Radiator fan
The radiator fan switches on automatically by itself.
The radiator fan is driven by the engine v ia the V-belt. The viscous
clutch regulates the speed of the fan according to the temperature of
t he coo lant.
An auxiliary electr ic radiator fan* sw itches on and off depending on
coolant temperature and other vehicle operating conditions.
After you switch the engine off, the auxiliary fan can cont inue running
for up to 10 minutes- even with the ignition off. It can even switch on
again later by itse lf::::>
/1 , if
• the temperature of the engine coolant rises due to the heat build­
up from the engine in the engine compartment, or
• the engine compartment heats up because the veh icle is parked in
intense sunlight.
& WARNING
• To reduce the risk of personal injury never touch the radiator
fan.
/1 WARNING (continued)
• The auxiliary electric fan is temperature controlled and can
switch on suddenly even when the engine is not running.
• The auxiliary radiator fan switches on automatically when the
engine coolant reaches a certain temperature and will continue to
run until the coolant temperature drops .•
Brake fluid
Checking brake fluid level
The brake fluid level can be checked with a quick glance.
Fig . 209 Engine
co mpartm ent : Brake
fluid reservoir
Before you check anything in the engine compartment,
always read and heed all WARNINGS=> & in "Working in
the engine compartment" on
page 275.
-Read the brake fluid level from the brake fluid reservoir
=> fig. 209. The brake fluid level must be between the
"MIN" and "MAX" markings.
The brake fluid reservoir is located at the rear partition of the engine
compartment on the left side=>
page 276. .,

Checking and filling "" ------------------~::....::..:..._~---=---
No
- sparks
-flames
- smoking .
When a battery is charged, it produces hydrogen
gas which is explosive and could cause personal
injury.
Always keep the battery well out of rea ch of chil- .,,_
dren .
_& WARNING
Whenever working on the battery or on the electrical system,
there is the risk of injury, accident and even fire. Read and heed
the following WARNINGS:
• Always wear eye protection. Do not let battery acid or any l~ad
particles get on your skin or clothing. Shield your eyes. Explosive
gases can cause blindness or other injury.
• Battery acid contains sulfuric acid. Sulfuric 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, imm~di­
ately 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 negative cables.
Safety first
& WARNING (continued)
• 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 system, disconnect the
negative ground cable.
• Before performing any work on the electrical system, switch
off the engine and ignition as well as any electrical equipment.
The negative cable on the battery must be disconnected. I! 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 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 switched off. Reconnect the positive cable first and
then the negative cable. Never interchange 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
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 explosion! Always replace a damaged battery. .,,_
Vehicle care Technical data

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& WARNING
California Proposition 65 Warning:
• Battery post s, terminal s and related ac cess orie s co ntain lead
and lead compounds, chemicals known to the State of California
to caus e cancer and reprodu ctive pr oblem s. Wa sh hand s after
handling .
0 Note
• Do not disconnect the vehicle battery when the ignition is
switched on or when the engine is running, otherwise, you wi ll
damage electro nic components in t he e lectr ical system .
• If your ve hicle is go ing to st and for a long per iod of time witho ut
being d riven, protect the battery from "freezing", ot herw ise it will be
damaged and will then have to be replaced. •
Battery charging
Starting the engine requires a well charged battery .
Fig. 21 0 En gine
c om partme nt: C on nec­
t or s fo r ch arge r and
jump er ca bles
Always read and heed all WARNINGS below ~ & and ~ &
i n "Work ing o n the batte ry" on
page 286 .
-Turn o ff t he ign it ion and all electrica l cons umers. -
Make sure the area is well vent ilate d wh en you c harge the
ba ttery .
- Open t he e ngi ne hood =?
page 274.
- O pen the red cover on the positive pole =? fig. 21 0.
- Con nect the charger con nectors accordi ng to the instruc-
tions to the
jump start bolts . (B olts un der the red cover =
"positive" , Bo lts w it h hex head = "negative") .
- Only now p lug t he ma ins lead for t he c har ging equipme nt
i n to t he wall outlet and tu rn it on ~ & .
-Make sure the charging rate is not over 30 amps /14 .8
Volt.
- When t he batte ry is fu lly c harged: Tu rn the cha rg ing
eq uipment o ff an d
remov e the main s le ad from the wa ll
out let.
- Now remove the clamps for the charging equipment.
- Close the re d cover on the positive pole .
Cl ose the hood ~
page 2 75.
A d ischa rged b atte ry can freeze at t empe ra tures of only 3 2 °F (0 °( ).
Allow a fro zen ba ttery to thaw comp letely before attempt ing to
c harge it =:, & . H owever, we recomme nd not using a thawed b attery
again because the battery casing ca n be cracked due to ice formation
and can leak b attery a cid.
Battery charging (Ma ximum charging rate of 30
amp s/14.8 Volt)
When charging at low vol tages (e.g. w ith a trickle charger ), the
b attery cables do not have to be disconnected first. The batte ry caps
should
not be opened when charging a batte ry .
It is not necessary to remove the battery from the luggage compart-
ment.
~

Tires and wheels -_____________________ ,,...
Applie s to vehicl es: wi th t ir e pr essure mon itor ing syste m
Tire pressure indicator appears
The tire pressure indicator in the instrument cluster
informs you if the tire pressure is too low or if there is a
system malfunction.
F ig . 217 Displ ay:
un derinfl ation
wa rn ing
Fi g. 218 Disp la y:
S yst em m alf unction
Us ing the A BS sensors, the tire pressure monitor ing system com pa res
the tire tread circumference and vibrat ion characterist ics of the ind i­
vidual tires .
If the pressure decreases in one or more tires, this is indi-
cated in the instrument cluster with a warn ing symbol and a
message => fig . 217 . T he driver message in the display goes out after
5 seconds. T he driver message can be d isp layed again by p ressing the
[SETj button. If on ly one tire is affected, the display will indicate its
posi tion.
Vehicle OP-eration T
he tire pressure mon itor ing system must be reset via radio or MMI*
e ach t ime the press ures a re adjus ted (e.g . when switching between
partia l a nd full load pressure) or after chang ing or replacing a tire on
your vehicle =>
page 312. You ca n find the recommended tire pres ­
sures for your vehicle on the label on dr iver's side B-p illar
=> page 295.
Tir e tread ci rcumference and vibrat ion ch aracterist ics ca n change and
cause a tire pressure warn ing if:
• the tire pressure in one o r more tires is too low,
• the t ire has structura l damage,
• t he ti re pressure w as changed, wheels rotated or replaced bu t the
TP MS was not reset=>
page 312.
Warning symbols
• Loss of pressure in at least one tire => & . Check the tire or tires
and replace or repa ir if necessary . The ind icator light
I in the instru­
ment cl uster a lso illuminates =>
page 14. Check/correct the pres­
s u res of a ll four tires and reset TPMS via r adio or MM I*.
il (T ire Pressure Monitoring System) Tire pressure! System
malfunction.
If appears after sw itching the ignition on o r while dr iv ing
=> page 311 , fig. 218 and the ind icator light (1 in the instrument
cl uster blinks for a pprox imately one minu te and then s tays on, there
is a system malfunction. See your author ized Audi dealer as soon as
poss ible.
& WARNING
• If the tire pressure indi cator appears in the instrument cluster
display, one or more of your tires is significantly under -inflated.
Reduce your speed immediately and avoid any hard steering or
braking maneuvers . Stop as soon as possible and check the tires
and their pre ssure s. Inflate the tire pre ssure to the proper pre s­
sur e as ind icated on the vehicle's tire pres sure label =>
page 295.
Driving on a significantly under-inflated tire causes the tire to _,,.
Vehicle care Do-it-yourselt service iTechnical data

Ill Tires and wheels
-------------------
& WARNING (continued)
overheat and can lead to tire failure . Under-inflation also is likely
to impair the vehicle's handling and stopping ability.
• The driver is responsible for maintaining the correct tire pres·
sures. You must check the tire pressures regularly.
• Under certain conditions (such as a sporty driving style, winter
conditions or unpaved roads), the pressure monitor indicator may
be delayed.
• Ask your authorized Audi dealer if run-flat tires may be used on
your vehicle. Your vehicle registration becomes invalid if you use
these tires when not permitted. Damage to your vehicle or acci­
dents could also result.
[ i J Tips
• The tire pressure monitoring system stops working when there is
an ESP/ABS malfunction.
• Using snow chains may resu lt in a system ma lfunction .
• To ensure a proper TPMS function use AUDI Original Tires which
are marked with "AO" or "RO" on the tire sidewall. =>
page 303.
• The tire pressure monitor ing system on your Audi was calibrated
using tires with the "AO" or "RO" identification. We recommend
using these tires.•
Applies to vehicles: with tir e pressure monitoring system
Reset tire pressure monitoring system
If the tire pressure is adjusted, wheels are rotated or
changed, the TPMS must be reset via radio or MMI*.
-Turn on the ignition.
- Select: the [ CAR] function button
> Tire pressure
monitoring
> Store now.
W Tips
Before resetting the TPMS, the current pressures of all four t ires
must correspond to the specified values . Adjust the tire pressure and
reset the pressure in the tire pressure monitoring system according
to the load you are carrying=>
page 295. •

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Fuses and bulbs
Fuses
Replacing a fuse
Fuses that have blown will have metal strips that have
burned through .
Fig. 228 Left cockpit:
fuse panel cover
The fuses are located at the front left and right of the cockpit
and behind the trim on the right side of the luggage compart ­
ment .
- Turn off the ignition and the affected electrical
consumers.
- Check the following table to see which fuse belongs to the
consumer.
- Remove the appropriate cover => fig. 228 or =>
page 2 73,
fig. 201.
Vehicle OP-eration
- To remove the purple plastic clip if necessary 4
), hold onto
it at the small side and pull it out of the fuse panel
~ page 324, fig. 229 .
- Remove the clamp from the rear side of the fuse cover
~ fig. 228.
- Remove the fuse using the clamp and replace the blown
fuse with an identical new one.
& WARNING
Do not repair fuses and never replace a blown fuse with one that
has a higher amp rating. This can cause damage to the electrical
system and a fire.
0 Note
If a new fuse burns out again after shortly have you have installed it,
have the electrical system checked by your authori zed Audi dealer.
[I] Tips
• The following table does not list fuse locations that are not used .
• Some of the equipment items listed are optional or only available
on certain model configurations.
• The crank in the cover is used for emergency operation of the
sunroof* .•
4
> You ca n dis p ose of the plastic cl ip after removi ng it.
Vehicle care Do-it-yourself service iTechnical data