2013 AUDI A5 CABRIOLET radiator cap

18 Instrum ent s and w arn ing /indic ato r light s
If the indicator light and the message appear,
add engine oil immediate ly
r=) poge 217.
_l Engine cooling system
A malfunction in the engine cooling system
must be repaired as soon as possible .
• Turn off engin e and che ck cool ant l evel
If the indicator light turns on and the mes­
sage appears, the coolant temperature is too
h igh or the coo lant level is too low.
.. Pull off the road .
.. Stop the vehicle .
.. Turn off the engine.
.. Check coolant level
r=)page 219.
.. Add coolant if necessary r=) page 220 .
.,. Contin ue driving only after the eng ine cool­
ant warning/indicator light goes o ut .
.. Contact your authorized Audi dea ler for as-
sistance if necessary .
I f the engine coolant level is co rrect, then the
radiator fan may be the cause of the malfunc­
tion.
• Coo lan t te mper ature! L et engine run wi th
ve hicle s ta ti ona ry
If the indicator light turns on and the mes­
sage appears in t railer mode*, let the engine
r u n at id le for a few m inutes to cool down.
& WARNING
- If your vehicle should break down for
mechanical or other reasons, park at a
safe distance from moving traffic, turn
off the engine and turn on the hazard
warning lights¢
page 54, Emergency
flashers.
-
- Never open the hood if you see or hear
steam or coolant escap ing from the en­
gine compartme nt -you risk being scald­
ed . Wait until you can no longer see or
hear steam or coo lant escaping.
- The engine compartment of any veh icle
is a dangerous area. Before you perform
any wor k in the engine compartment,
t ur n of the eng ine and allow it to cool. Follow the warning stickers
r=)
page 205,
Engine comportment.
@ Note
Do not continue driving if the. symbo l
i ll uminates . There is a malfunction in the
engine cooling system -you could damage
your engine.
@ -Steer ing column lock
• Steering defect ive! Do not drive v ehicle!
If the indicator light turns on and the mes­
sage appears, there is an e lectronic steering
column lock malfunct ion. You cannot switch
the ignit ion on .
Do
not tow yo ur vehicle because it cannot be
steered. Seek professiona l assistance.
ell Steering lo ck : C ont act de aler !
If the indicator light turns on and the mes­
sage appears, there is an e lectronic stee ring
column lock malfunct ion.
D rive to your authorized Audi dealer immedi­
ately to have the ma lfunction corrected .
& WARNING
-
Your vehicle must not be towed in t he
event of a malfunction in the elec tronic
steering co lumn lock beca use it cannot be
steered due to the locked steering . If it is
towed with the steering locked, there is
the r isk of an accident.
© -Ignition lock
• Ignition lo ck defecti ve . Cont act de aler !
If the indicator light turns on and the mes­
sage appears, do
not switch the ignition off
because you may not be ab le to switch it on
again.
Drive to your authorized A udi dealer immedi­
ately to have the malfunction corrected.
On vehicles with conve nience key*, the engine
shou ld not be switched off using the ..,.

Starting the vehicle with the emergency
key
Applies to vehicles: with ignitio n lock
You can use the emergency key as an ignition
key in an emergency.
Fig . 89 G lo ve compar tment: A dapt er fo r em ergen cy
key
Fig. 90 In ser t emergen cy key in to the adapter
.,.. Take the adapter for the emergency key out
of the glove compartment
c:> fig . 89 .
.,.. Push the emergency key~ fig . 90 fully into
the adap ter . Make sure that the Audi r ings
are facing up.
.,.. Press the emergency key in the adapter
down un til it latches audibly .
.,.. Insert the adapter with the emergency k ey
forwa rd into the ignition swit ch . T he eng ine
can now be sta rted a s usual.
Stopping the engine
App lies to vehicles: with ig ni tion loc k
.,.. Bring the vehicle to a full stop .
.,.. Automatic transmission : Move the selector
lever to the P or N pos ition .
.,.. Press on the ignition key. The engine is
tu rned off.
.,.. You can now remove the key.
On th e road 77
Ste ering lock
The steering locks when yo u remove the ig ni­
tion key . The lo cked steering helps prevent ve ­
hicle theft .
Emergency off
If it is necessary in unus ual circumstances, the
engine can be switched off while the veh icle is
moving. The engine will be switched off if you
press on the key for an extended period .
A WARNING
-Never turn off the engine before the ve­
hicle has come to a comp lete stop. The
full funct ion of the brake booster and the
power steering is not guaranteed . You
must use more force to turn or brake if
necessary . Because you cannot steer and
brake as you usually wo uld, this could
lead to crashes and ser ious injuries.
- For safety reasons , you should always
pa rk your vehicle w ith the selector lever
in P . Otherwise, the vehicle could inad ­
verten tly roll away .
- The radiator fan can continue to run fo r
up to 10 minutes even after you have
turned off the engine and removed the ignition key. The radiator fan can a lso
turn on again if the engine coo lant heats
up because of intense sunlight or heat
build-up in the engine compartment.
- Always take the key with you whenever
you leave your vehicle. Otherw ise, the
engine could be started or electrical
equ ipment such as the power windows
could be operated . This can lead to seri­
ous injury.
- Never leave children or persons requiring
assistance unattended in the vehicle. The
doors can be locked using the remote
transmitter, preven ting people from es­
caping from the veh icle on their own in
the event of an emergency. Depending
on the time of year, peop le inside the ve­
hicle can be exposed to very high or very
low temperatures .

-To reduce the r isk of being burned, never
open the hood if you see or hear steam
or coolant escaping from the engine
compartment . Wait until no steam or
coolant can be seen or heard before ca re­
fully opening the hood .
- Keep children away from the engine com ­
partment.
- Never spill flu ids on hot engine compo­
nents. They can cause a fire .
- Never touch the radiator fan. The aux ili­
ary e lectr ic fan is temperature controlled
and can switch on suddenly .
- Never open the coolant reservoir cap
when the eng ine is still warm . The cool­
ant system is pressur ized and hot coo l­
ant could spray out.
- Protect your face, hands and arm from
steam or hot eng ine coolant by placing a
thic k rag over the cap when you open the
coolant reservoir.
- Do not remove the engine cover under
any c ircumstances. Th is increases the
risk of bu rns.
- If wo rk on the fuel system or the electri­
cal sys tem is ne cessary:
- Always disconnect the battery.
- Never smoke or work near heaters or
open flames . Fluids in the engine com­
partment co uld start a fire.
- Keep an approved fire extinguisher im­
mediately ava ilable.
- To avoid electrical s hock and persona l in­
jury while the engine is running or being
started, never touch:
- Ignition cables
- Other components of the high voltage
electronic ignition system.
- If you must perform a check or repa ir
with the engine running:
- Fir st, fully apply the parking brake,
move se lector lever of a utomatic trans­
mission to "P" (Park).
Checkin g and fillin g 213
-Always use extreme caution to prevent
clothing, jewelry, or long hair from get­
ting caught in the radiator fan, V-be lts
or other moving parts, or from contact­
i ng hot parts . Tie back hair before
starting, and do not wear clothing that
will hang o r droop into the engine.
- Minimize exposure to em ission and
chemical hazards
9 .&, .
&_ WARNING
Califo rnia Proposition 65 Wa rni ng:
- Engi ne exhaust, some of its const ituents,
and certa in vehicle components contain
or emit chemi cals known to the State of
California to cause cancer and birth de­
fects and reproduc tive harm. In addition,
certain fl uids con tained in vehicles and
certain products of component wear con­
tain or emit chemica ls known to the
State of California to cause cancer and
birth defects or other reproductive harm.
- Battery posts, terminals and related ac­
cessories conta in lead and lead com ­
pounds, c hemicals known to the State of
California to cause cancer and reproduc ­
tive harms. Wash hands afte r handling .
(D Note
When adding flu ids, always make sure that
they are poured into the proper conta iner
or f iller opening, otherwise serious dam­
age to vehicle systems w ill occur .
@ For the sake of the environment
To detect leaks in time, inspect the vehicle
floor pan from underneath regularly . If
you see spots from oil or other veh icle flu­
i ds, have you r vehicle inspected by an au­
thori zed Audi dealer. •
•

220 Check ing and filling
The location of the coolant expansion tank
can be seen in the engine compartment illus­
tration ¢
page 214 .
To obtain an accurate read ing, the eng ine
must be switched off .
The expans io n tank in you r vehicle is equipped
with an e lectr ic cool ant level sensor.
When the coolant level is too low, the warning light in the A uto-Check System ¢
page 18 will
b link until you add coo lant and the level has
been restored to no rm al. Even though the re is
an e lec tric coolant level sensor, we s till rec ­
ommend you check the coolant leve l from
time to time.
Coolant loss
Coolant loss may indicate a leak in the cooling
system. In the event of coolan t loss, the cool ­
i ng system should be inspected immedia tely
by your authorized A udi dealer. It is not
enough merely to add coolant.
I n a
s e aled system, losses can occur only if
the boiling poin t of the coolant is excee ded as
a result of overheating.
A WARNING
The cooling system is unde r pressure and
can get ve ry hot. Reduce the risk of sca ld­
ing from hot coolant by following these
steps.
- Turn off the engine and allow it to cool
down.
- Protect yo ur face, hands and arms from
escaping fluid and steam by covering the
cap with a large, thick rag.
- Turn the cap slowly and ve ry carefu lly in
a counter-clockwise direction wh ile ap­
plying light, downward pressure on the
top of the cap .
- To avoid being b urned, do not spill ant i­
freeze or coolant on t he exhaust system
or hot eng ine parts. Unde r certain condi­
tions, t he ethy lene g lycol in engine cool­
an t can ca tch fire.
(D Note
Do not ad d any type of radiator leak sea l­
ant to your veh icle's engine coo lant. Add­
i ng radiator repa ir fluid may adverse ly af­
fect the funct ion and performance of your
cooling system and could result in damage not cove red by your New Veh icle L imited
War ran ty .
Adding coolant
Be very careful when adding engine coolant.
Before you check anyth ing in the eng ine com­
partment,
always read and heed all WARN­
INGS c> &. in Working in the engine compart ­
ment on page 212.
.. Turn off the engine.
.. Let the engine cool down.
.. Place a thick rag over the coolant expansion
tank ¢
fig. 178 and carefully turn the cap
co unter-clo ckwise ¢,&. .
.,. Add coo lant.
.. Twis t the cap on aga in
t ightly.
Replacement engine coo lant must confo rm to
exact spec ificat ions
¢ page 219, Coolant. We
re commend using on ly coo la nt additive G 12+
+ , G 13 or in an eme rgen cy G12+. Do
not use a
different additive. In an emergency use plain
water until yo u can get the correct additive
and can restore the correct ratio . This shou ld
be done as soon as possible .
If you have los t a cons iderab le amount o f
coolant , then you sho uld ad d cold antifreeze
and cold wate r on ly w hen the engine is cold.
Always use
new engine coo lant when refilling.
Do not f ill coo lant abov e the "MAX" mark . Ex­
cess coo la nt w ill be fo rced o ut thro ugh the
pressure relief valve in t he cap w hen the en­
gine becomes hot.
A WARNING
-= -
-The cooling system is under pressure and
can get very hot. Reduce the risk of ..,.

scalding from hot coo lant by following
these steps.
- Turn
off the engi ne and a llow it to cool
down.
- Protect your face, hands and arms from
escapi ng fl uid and steam by cover ing
the cap with a large, thick rag .
- Turn the cap slowly and very ca refully
i n a cou nte r-clockw ise dir ect ion while
a pply ing lig ht, downwa rd p ress ure on
the top of the cap.
- T o avo id being burned, do no t sp ill an­
tifree ze o r coolan t on t he exh aust sys­
tem or ho t engine parts . Un der certain
conditions, the ethylene glyco l in en­
gine coolant can catch fire .
- Antifree ze is poisono us. Always store an­
tifreeze in its or iginal co ntainer and we ll
o ut o f the reac h of children.
- If you drain the coolant , it must be
caught and safely stored in a p roper con ­
tainer clear ly marked "poison".
(D Note
- Coolant po llutes the env ironment and
could ca use a n engine fire . Excess coo l­
ant wi ll be forced out through the pres ­
sure re lief va lve in the cap when the en­
gine becomes hot.
- If, in an emergency, only water can be
added , the correct ratio between water
and antifreeze¢
page 219 must be re­
stored as soon as possib le .
@ For the sake of the environment
Drained coolant should not be re used . Al­
ways dispose of used c oolant while observ­
ing all envir onmental regulations .
Radiator fan
The radiator fan switches on automa tically by
itself
T he radiator fan is driven by the engine via the
V-be lt. The viscous clutch regulates the speed
of the fan according to the temperature of the
coolant .
Checkin g and fillin g 221
An auxiliary electric radiato r fan* sw itches on
and
off depending on coolant temperature
and othe r vehicle ope rat ing con ditions.
After yo u switc h the engi ne off, the aux iliary
f an can con tinue r unning for up to 10 minutes
- even with the ignition off. It can even switch
on again later by itself¢ & , if
- t he temperatu re of the engine coo lant rises
due to the heat b uild -up from the en gine in
the engi ne compartment, or
- the engine compartment heats up be cause
the vehicle is parked in intense sunlight.
A WARNING
- To reduce the risk of personal in jury nev­
er touch the radiator fan.
- The a uxiliary electric fan is temperat ure
contro lled and can switch on sud denly
even when the engine is not running.
- The a uxiliary radiator fa n switches on a u­
tomatically when the engine coo lant
reaches a certain temperature and will
continue to run until the coo lant temper­
ature drops .
Brake fluid
Checking brake fluid level
The brake fluid level can be checked with a
qui ck glance.
Fig. 17 9 En gin e compar tment: Cover o n the brak e flu­
i d reservoi r
Before you check anyth ing in the eng ine com­
partment ,
always re ad and heed all WARN­
INGS c::> ,& in Working in the engine compar t-
ment on page 212 . .,..

28 2 Index .:..:..:..::....::.....:..._ ___________________________ _
Physica
l principles of a frontal collision 133
Polishing .. .. ................ ... ... 198
Pollutant filter (automatic AC system) ... 70
Power seat adjustment . . . . . . . . . . . . . . . . . . . . 62
Power locking system . . . . . . . . . . . . . . . . . 31
E mergency locking ............. ..... 36
Power windows .......... .. .. .... .. 40
Rear lid .. ... ............ .. .. .. .. .. 37
Selective unlock feature ... .. .. .... . . 36
Settings ... ... .. ..... ... .. .. .... .. 36
Power steering
refer to Electro-mechanical power as-
sist . .. .. .. .. . .......... .. .. .... . 183
Power top . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Care and clean ing ... ........ .. .. .. . 197
C losing .. .. ................ ... .... 44
Conven ience opening/closi ng . .. .... .. 44
E mergency operation ................ 47
E rror message . . . . . . . . . . . . . . . . . . . . . 43
General information . ... .. .. ... ... .. 42
Indicator light ... ..... ... .. .. .... .. 43
Malfunction ............. .. .. .. .. .. 43
Opening . .. .. . .......... .. .. .... ..
44
Variab le power top storage bay .. .. .... 45
W ind deflector ................ ..... 46
Power window Convenience opening/closing . .. .... .. 40
Power windows . . . . . . . . . . . . . . . . . . . . . . 39
M alfunct ions . ........... .... .... .. 40
Pregnant women Specia l cons iderations when wearing a
safety be lt .............. .. .. .... . 137
Proper occupant seating positions ..... 122
Proper safety be lt pos ition ... .. .. .. .. . 13 7
Proper seat ing pos ition
Front passenger . . . . . . . . . . . . . . . . . . . 123
Occupants ... ............ .. .. .. .. . 122
Rear passengers .......... .. .. .. .. . 124
Q
Quartz clock . . . . . . . . . . . . . . . . . . . . . . . . 12
quattro ®
refer to all-wheel drive ............. 184
Question What happens to unbe lted occupants? 133
Why safety belts? ................. 132
R
Radiator fan .... .. ... .. ..... .... . .. 221
Rain/light se nsor
Headlights .. .. .. .. ........ ...... .. 52
I n te rmittent (w indshield w ipers) . .. .. . 57
Senso r defective . . . . . . . . . . . . . . . . . . . . 22
Reading lights . . . . . . . . . . . . . . . . . . . . . . . 55
Rear fog lights .... .. .... .... ... .. .. . 52
Rea r lid
E scape handle . .. .. ........... .. .. . 38
Open ing and closing ........... .... . 37
Rear l ight
Defective . . . . . . . . . . . . . . . . . . . . . . . . . 21
Rear view camera Parking mode 1 .. ............. .... 114
Parkingmode2 ................... 115
Rear view m irror ... ... .. ..... ... .. .. . 56
Rear window heat ing ............... .. 72
Recirc ulation mode (automat ic cl imate
control) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Ref uell ing . ..... .. ... .. ..... .... . .. 210
Re lease lever for hood ... ....... ... .. 212
Remote control
HomeLink . .... .. ... .......... .... 117
Remote contro l key . . . . . . . . . . . . . . . . . . . 32
Pe rsonalizing .... .. ... ..... ... .. .. . 32
unlocking/locking .. .... .... ... .. .. . 34
Remote rea r lid re lease . . . . . . . . . . . . . . . 3 7
Repair manuals ..................... 269
Repairs Airbag system ... ... .. ..... .... . .. 153
Replacement key .. ............. .. .. . 32
Replacing bulbs . .. ... .......... .. .. 258
Replacing tires and wheels ... ... .. .. .. 239
Replac ing wiper blades ............... 58
Reporting Safety Defects . . . . . . . . . . . . . 129
Reset button . . . . . . . . . . . . . . . . . . . . . . . . 12
Retractor ... .... .. ............. .... 136
Right hand drive . . . . . . . . . . . . . . . . . . . . . 54
Rims Cast alloy
Rollbar
refer to Active rollover protection sys-200
tem ......... ... .. ............... 130