service AUDI A5 CABRIOLET 2011 Repair Manual

• ....__D_ r_iv _i_ n_, g=-- S_ a _ f_e _,Ly _ ______________________________________________ _
-Press the rollbar down until it stops.
- Make sure the rollbar is secure before releasing it .
- Close the cover@::::, fig . 184 .
- Repeat the procedure on the other rollbar.
With the power top closed
- Switch the ignition on .
- Press the convertible switch to adjust the convertible frame until it is vertical=> fig . 184 .
- Pull the loop upward in the direction of the arrow and hold it in place ::::> fig. 183.
- Slide the rollbar down.
- Release the loop just before the rollbar reaches its end pos ition (3-5 cm) .
- Press the rollbar down until it stops.
- Make sure the rollbar is secure before releasing it.
- Close the cover@=> fig. 184.
- Repeat the procedure on the other rollbar .
- You can now close th e pow er top again.
& WARNING
• Have the rollover protection system checked by your autho­
rized Audi dealer if it is faulty. Otherwise, the system may not
deploy correctly in a collision.
• Modifying the rollover protection system or individual compo­
nents is not permitted .
& WARNING (continued)
• Work on the rollover protection system should only be
performed by your authorized Audi dealer. Otherwise the system
may not function correctly in a collision or it could deploy unex­
pectedly.
• Have the system inspected at service intervals. This ensures the
system will always be ready for use. Have your authorized Audi
dealer check the rollover protection system every two years at the
latest. •

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Safety belts
General notes
Always wear safety belts!
Wearing safety belts correctly saves lives!
This chapter explains why safety belts are necessary, how
they work and how to adjust and wear them correctly.
- Read all the information that follows and heed all of the
instructions and WARNINGS.
& WARNING
Not wearing safety belts or wearing them improperly increases
the risk of serious personal injury and death.
• Safety belts are the single most effective means available to
reduce the risk of serious injury and death in automobile acci­
dents. For your protection and that of your passengers, always
correctly wear safety belts when the vehicle is moving.
• Pregnant women, injured, or physically impaired persons must
also use safety belts. Like all vehicle occupants, they are more
likely to be seriously injured if they do not wear safety belts. The
best way to protect a fetus is to protect the mother -throughout
the entire pregnancy. •
Number of seats
Your Audi has a total of four seating positions: two in the front and
two in the rear . Each seating position has a safety belt .
Controls and equip­
ment Safety first Vehicle operation
& WARNING
Not wearing
safety belts or wearing them improperly increases
the risk of serious personal injury and death.
• Never strap more than one person, including small children,
into any belt. It is especially dangerous to place a safety belt over
a child sitting on your lap.
• Never let more people ride
in the vehicle than there are safety
belts available.
• Be sure everyone riding in the vehicle is properly restrained
with a separate safety belt or child restraint. •
Safety belt warning light t
Your vehicle has a warning system for the driver and (on
USA models only) front seat passenger to remind you
about the importance of buckling-up.
Before driving off, always:
Fig. 185 Safety belt
warning light in the
instrument cluster -
enlarged
- Fasten your safety belt and make sure you are wearing it
properly .
IJ,,
Vehicle care Do-it-yourself service Technical data

What happens to occupants not wearing
safety belts?
In crashes unbelted occupants cannot stop themselves from flying forward and being injured or killed. Always
wear your safety belts!
Fig. 188 A driver not
wearing a safety belt is
violently thrown
forward
Fig. 189 A rear
passenger not wearing
a safety belt will fly
forward and strike the
driver
Unbelted occupants are not able to resist the tremendous forces of
impact by holding tight or bracing themselves. Without the benefit
of safety restraint systems, the unrestrained occupant will slam
violently into the steering wheel, instrument panel, windshield, or
whatever else is in the way=:> fig. 188. This impact with the vehicle
interio r has all the energy they had just before the crash.
Never rely on airbags alone for protection . Even when they deploy,
airbags provide only additional protection. Airbags are not supposed
Safety first Vehicle OP-eration
Safety belts
to deploy in all kinds of accidents. Although your Audi is equipped
with airbags, all vehicle occupants, including the driver, must wear
safety belts correctly in order to minimize the risk of severe injury or
death in a crash.
Remember too, that airbags will deploy only once and that your
safety belts are always there to offer protection in those accidents in
which airbags are not supposed to deploy or when they have already
deployed . Unbelted occupants can also be thrown out of the vehicle
where even more severe or fatal injuries can occur.
It is also important for the rear passengers to wear safety belts
correctly. Unbelted passengers in the rear seats endanger not only
themselves but also the driver and other passengers=:> fig . 189. In a
frontal collision they will be thrown forward violently, where they can
hit and injure the driver and/or front seat passenger. •
Safety belts protect
People think it's possible to use the hands to brace the
body in a minor collision. It's simply not true!
Fig. 190 Driver is
correctly restrained in
a sudden braking
maneuver
Safety belts used properly can make a big difference. Safety belts
help to keep passengers in their seats, gradually reduce energy levels
applied to the body in an accident, and help prevent the uncontrolled
movement that can cause serious injuries. In addition, safety belts
reduce the danger of being thrown out of the vehicle. .,.
•
Vehicle care Do-it-yourselt service iTechnical data

& WARNING (continued)
• Never use comfort clips or devices that create slack in the
shoulder belt. However, special clips may be required for the
proper use of some child restraint systems.
• Torn or frayed safety belts can tear, and damaged belt hard­
ware can break in an accident. Inspect belts regularly. If webbing,
bindings, buckles, or retractors are damaged, have belts replaced
by an authorized Audi dealer or qualified workshop.
• Safety belts that have been worn and loaded
in an accident
must be replaced with the correct replacement safety belt by an
authorized Audi dealer. Replacement may be necessary even if
damage cannot be clearly seen. Anchorages that were loaded
must also be inspected.
• Never remove, modify , disassemble, or try to repair the safety
belts yourself.
• Always keep the belts clean . Dirty belts may not work properly
and can impair the function of the inertia reel=> page 2 72,
"Safety belts". •
Safety first Vehicle OP-eration
Safety belts
Safety belts
Belt positioner
The driver and front passenger seats are equipped with
belt positioners.
Fig. 191 Driver's seat:
Be lt positioner
Th e front seats are equipped with belt positioners so it i s easier to
fasten the safety belts. The belt positioners automatically extend
when the door closes and the ignition switches on=> fig. 191.
The belt positioner returns to its starting position again when
• the tongue in the belt latch engages or the belt was not fastened
within 60 seconds .
• you switch the ignition off.
• you open the door .
& WARNING
• Only your authorized Audi dealer should work on the system or
remove and installing system components when performing other
work.
• The belt positioners could cause injury or damage if they pinch
people or objects when extending or retracting. •
Vehicle care Do-it-yourselt service iTechnical data

Safety belt position
Correct belt position is the key to getting maximum
protection from safety belts.
Fig. 193 Head
restraint and safety
belt pos ition as seen
from the side
Standard features on your vehicle help you adjust the position of the
safety belt to match your body size.
• height-adjustable front seats.
& WARNING
Improperly positioned safety belts can cause serious personal
injury in an accident.
• The shoulder belt portion of the safety belt must be positioned
over the middle of the occupant's shoulder and never across the
neck or throat.
• The safety belt must lie flat and snug on the occupant's upper
body =>
page 195, fig. 193. Pull on the belt to tighten if neces­
sary.
• The lap belt portion of the safety belt must be positioned as
low as possible across pelvis and never over the abdomen. Make
sure the belt lies flat and snug=>
page 195, fig. 193. Pull on the
belt to tighten if necessary.
Safety first Vehicle OP-eration
Safety belts
& WARNING (continued)
• A loose-fitting safety belt can cause serious injuries by shifting
its position on your body from the strong bones to more vulner­
able, soft tissue and cause serious injury.
• Always read and heed all WARNINGS and other important
information =>
page 192. •
Pregnant women must also be correctly
restrained
The best way to protect the fetus is to make sure that
expectant mothers always wear safety belts correctly -
throughout the pregnancy.
Fig. 194 Safety belt
position during preg·
nancy
To provide maximum protection, safety belts must always be positioned correctly on the wearer's body ===>
page 195.
- Adjust the front seat and head restraint correctly
===> page 77, "General recommendations".
- Make sure the seatback of the rear seat bench is in an
upright position and securely latched in place before using
the belt. •
I .
Vehicle care Do-it-yourselt service iTechnical data

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& WARNING (co ntinued )
• Always make sure that all vehicle occupants are correctly
restrained and stay in a correct seating position whenever the
vehicle is being used.
• Alway s read and heed all WARNINGS and other important
information =>
page 192. •
Safety belt pretensioners
How safety belt pretensioners work
In front, side and r ear -en d co llisions abov e a p artic ula r
se verity , safe ty belts a re ten sio ned auto mat ically .
The safety belts are equipped w ith safety belt p retensioners . T he
sys tem is activ at ed by sen so rs in fro nt, side and rea r-end co llisi ons of
great severity . T h is tightens t he belt and takes up belt slack=>
& in
" S e rvi ce and dispo sal of sa fe ty be lt pr eten sioner" . Tak ing up t he sl ack
helps to reduce forward occupant movement during a coll is io n.
0 Note
N ever let the belt rema in over a rear seatback that has been folded
forward .
[ i ] Tips
T he safety bel t pretensioner can only be activa ted once .
• In m inor frontal and side co llisions, in rear-end collisions, in a roll­
over and in acc iden ts invo lving very li ttle im pact force, the sa fe ty belt
pretensioner are not activated.
• Wh en t he safety belt pre ten sio ner s are activ at ed, a fin e dust is
re leased . T hi s is no rma l and is not caused by a fire in the vehicle.
Controls and equip­ ment Safety first Vehicle operation •
The relevant safety requ irements must be observed when the
veh icle o r com ponen ts of the system a re scrapped. An aut horiz ed
Audi dealer or qualified workshop is familiar w it h these regu lations
and wi ll be p lease d to pass on t he informat ion to you.
• Be sure to observe all safety, e nvironmental and other regu lations
if the ve hicl e or ind iv idual parts o f the sys tem, p articula rly t he s afety
bel t or a irbag, are to be disposed . We recommend you have your
author ized Au di dea le r p erfo rm this service fo r yo u.•
Service and disposal of safety belt
pretensioner
Th e safety bel t pre ten sio ners are p arts o f the safe ty belt s on y our
Audi. Installing, remov ing, serv ic ing or repair ing of belt preten­
sion ers can da mage the s afety belt sys te m and pr event it fr om
wor king cor rectly in a collision .
T he re are some important things you have to know to ma ke sure t hat
t he e ffective ness of t he sys te m will not be impa ired and t hat
discarde d compo nents do not cause injury or poll ute t he env iron­
m ent .
_& WARNING
Improper care, servicing and repair procedures can increase the
risk of personal injury and death by preventing a safety belt
pretensioner from activating when needed or activating it unex­
pectedly:
• The belt pretensioner system can be activated only once. If belt
pretensioners have been activated , the system must be replaced .
• Never repair, adjust, or change any parts of the safety belt
system.
• Safety belt systems including safety belt pretensioners cannot
be repaired . Special procedure s are required for removal, installa -
tion and d isposal of this system. .,_
Vehicle care Do-it-yourself service Technical data

___ s_a_ f_ e_ t_ y _ b_e _l_t _s ___________________________________________ _
& WARNING (continued)
• For any work on the safety belt system , we strongly recom­
mend that you see your authorized Audi dealer or qual ified tech­
nician who has an Audi app roved repair manual, training and
s pecial equipment necessary .
W For the sake of the environment
Undeployed ai rbag mod ules and pr etensioners might be class ified a s
Perch lorate Material -special handling may app ly, see
www.dtsc.c a.gov/h azardouswaste/pe rchlor ate. Whe n the ve hicle or
parts of t he restraint system i ncludi ng a irbag modu les safety belts
w ith pretens ioners are s crapped, all appl icable laws and reg ulat io ns
must be observed. You r author ized Aud i dealer is familiar with these
req uirements and we recommend that you have your dealer perfo rm
this service for you. •

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Airbag system
Important things to know
Importance of wearing safety belts and
sitting properly
Airbags are only supplemental restraints. For airbags to
do their job, occupants must always properly wear their
safety belts and be in a proper seating position.
For your safety and the safety of your passengers, before
driving off, always:
- Adjust the driver's seat and steering wheel properly
=>
page 178,
- Adjust the front passenger's seat properly=> page 78,
-Wear safety belts properly=> page 192,
-Always properly use the proper child restraint to protect
children=>
page 221.
In a collision airbags must inflate within the blink of an eye and with
considerable force. The supplemental airbags can cause injuries if the
driver or the front seat passenger is not seated properly. Therefore in
order to help the airbag to do its job, it is important, both as a driver
and as a passenger to sit properly at all times.
By keeping room between your body and the steering wheel and the
front of the passenger compartment, the airbag can inflate fully and
completely and provide supplemental protection in certain frontal
collisions =:,
page 178, "Proper occupant seating positions" . For
details on the operation of the seat adjustment controls=>
page 78.
It's especially important that children are properly restrained
=:,
page 221.
Controls and equip­ ment Safety first Vehicle operation
There
is a lot that the driver and the passengers can and must do to
help the individual safety features installed in your Audi work
together as a system .
Proper seating position is important so that the front airbag on the
driver side can do its job. If you have a physical impairment or condi­
tion that prevents you from sitting properly on the driver seat with
the safety belt properly fastened and reaching the pedals, special
modifications to your vehicle may be necessary .
Contact your authorized Audi dealer, or call Audi Customer Relations
at 1-800-822-2834.
When the airbag system deploys, a gas generator will fill the airbags, break open the padded covers, and inflate between the steering
wheel and the driver and between the instrument panel and the front
passenger. The airbags will deflate immediately after deployment so
that the front occupants can see through the windshield again
without interruption.
All of this takes place in the blink of an eye, so fast that many people
don 't even realize that the airbags have deployed . The airbags also
inflate with a great deal of force and nothing should be in their way
when they deploy . Front airbags in combination with properly worn
safety belts slow down and limit the occupant's forward movement.
Together they help to prevent the driver and front seat passenger
from hitting parts of the inside the vehicle while reducing the forces
acting on the occupant during the crash. In this way they help to
reduce the risk of injury to the head and upper body in the crash.
Airbags do not protect the arms or the lower parts of the body.
Both front airbags will not inflate in all frontal collisions . The trig­
gering of the airbag system depends on the vehicle deceleration rate
caused by the collision and registered by the electronic control unit.
If this rate is below the reference value programmed into the control
unit , the airbags will not be triggered, even though the car may be
badly damaged as a result of the collision. Vehicle damage , repair .._
Vehicle care Do-it-yourself service Technical data

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Child restraints on the front seat - some
important things to know
- Be su re to re ad t he i mpo rt a nt i nfo rmation a nd head the
WA RNINGS fo r i mporta nt details about chil dre n and
Advanced Airbags ~
page 221.
Even t hough your ve hicle is eq uipped with an Advanced Airbag
System, ma ke ce rtain that a ll chi ld ren, especia lly those 12 years an d
younger, always r ide in the back seat prope rly rest rained fo r th eir age
and si ze. The airbag on the passenger side makes the front seat a
po tentially da ngerous place fo r a child to r ide. The fro nt seat is not
the safest place for a ch ild in a forward-facing child safety seat. It can
be a very dange rous place fo r an i nfan t or a child in a rearward-fac ing
seat.
Th e Advanced Ai rbag System in your vehicle has been cer tified to
comply with the Req uirements of Uni ted States Federa l Motor
Vehicle Safety Standard 208 as applicable at the time your veh icle
was ma nufact ured .
The Standard requires the front airbag on the passenger side to be tu rne d off ("s uppressed") if a c hild up to abou t one ye ar of age
restra ined in o ne of the rear -facing or forward -fac ing infant
restra ints listed in Fed era l Moto r Vehicle Safety Standard 208 with
whic h the Advanced Airbag System in yo ur vehicle was cert ified has
been installed on the front passenger seat. For a listing of the ch ild
restra in ts that were used to certify compliance with the US Saf ety
Standard =>
page 223.
The PASSENGER AIR BAG OFF ligh t in th e in st rume nt p anel t ells you
when the front Advanced A irbag on the passenger side has been
tur ned off by the ele ct ronic con trol uni t.
Each time you t urn on the ignition, t he
PASSENGER AIR BAG OFF
light will come on for a few seconds and:
• will stay on if th e front passenger se at is no t oc cupie d,
Controls and equip­
ment Safety first
Vehicle operation
• will stay on if there is a small ch ild or child restra int on the front
p assenge r se at,
• will go off if the front passenger seat is occup ied by an adult as
reg iste red by t he weight -sens ing mat =>
page 210, "M oni tor ing t he
Advanced Airbag System" .
T he
PASSENGER AIR BAG OFF light comes o n when t he control unit
de tects a total weight on t he front passenger seat that req uires the
front airbag to be t urned off .
If th e total weight o n the front passenger seat is more than th at of a
typical 1 year-o ld child but less than the weight of a small adult, the
fr on t a ir bag on the passenge r si de c an deploy (t he
PASSENGER AIR
BAG OFF
light does not come on) . If the PASSENGER AIR BAG OFF
light does not come on, the front airbag on the passenger side has
not been turned off by the electronic co ntrol unit and can deploy if
the control unit senses an impact t hat meets the conditions stored in
its memory.
For example, the airbag may deploy if:
• a small child that is heavier than a typical 1 year -old child is on the
front passenger seat (rega rd less of whether the chi ld is in one of the
child safety seats listed =>
page 223), or
• a child who has outgrown child restraints is on the front passenger
sea t.
If the fro nt passenger a irbag is tur ned off, the
PASSENGER AIR BAG
OFF
lig ht comes on in the instr ument cluster an d stays on.
Th e fron t airbag on t he pa sse nger side may
not de ploy ( the
PASSENGER AIR BAG OFF li ght does not illum inate and stay lit) even
if a small a dult or teenager, o r a passenger who is no t sitti ng upright
with their back against a non-reclined backrest w ith the ir feet on the
vehicle floor in front of the seat is on the front passenger seat
=>
page 178, " P roper seat ing pos itio n for the dr iver".
If the front passenger ai rbag dep loys, the Federal Standard requires
t he a irbag to mee t the "low risk" deployme nt cr iter ia to reduce the
risk of inj ury through interaction with the a irbag. "Low r isk" deploy­
me nt o ccurs in those cras hes t hat tak e pla ce a t lower decelerat io ns as
I),
Vehicle care Do-it-yourself service Technical data

& WARNIN G (con tinued )
• Imprope r in stall ation of child re straints can redu ce their effec·
tiveness or even prevent them from providing any protection.
• An improperl y installed child re straint c an interfere with the
airbag a s it deploy s and seriously injure or even kill the child - even
with an Advanced Airbag Sy stem.
• Always carefully follow the manufacturer 's instruct ions
provided with the child safety seat or carrier.
• Ne ver place additional items on the seat that can increase the
total weight regi stered by the weight-sen sing mat and can cause
injury in a crash .•
Front airbags
Description of front airbags
T he airbag system can p rovide supplemental protection
to properly r estrained front se at oc cupants .
Safety first
Fig . 19 6 Locatio n of
drive r airb ag : in
s tee ring whee l
Vehicle OP-eration
Airbag system
Fig. 19 7 Locati on of
fr on t pass enge r's
a ir bag: in the instru ­
me nt pa nel
Yo ur vehicle is equi pped with an "Advanced A irbag Syst em" in compli ·
ance with United States Fe dera l Moto r Vehicle Safety Sta ndard
(FMVSS) 2 08 as a pplicable at t he time your vehi cle was manufac­
t u red . The system senses the position of the front seats and controls
front a irbag infl ation w ith a va lv e , dep ending on th e distanc e
between the respective seat and the stee ring wheel or instrument
pane l. The safe ty belts fo r the seats have "prete ns ione rs" t hat he lp to
take slack out of the belt system. The p retensioners are also activated
by the elec tron ic control u nit for the air bag sys tem.
T he front s afe ty belts also have load limiters to help red uce the forces
applied to the body in a cras h.
Th e airbag for the driver is in the stee ring whee l hub::::> fig. 196 and
the ai rbag for the front passenger is in the inst rument panel
::::> fig. 19 7. T he ge neral lo cat io n of the air bags is m ark e d "A IRBAG".
Th ere is a lot you need to know about the a irbags in your vehicle. We
urge yo u to read the det ailed in forma tion abou t air bags, sa fety be lts
and child safety in this and the other chap ters tha t make u p the
owner's literature. Please be sure to heed the WARNINGS -they are
e xtremely importa nt f or your safety and the saf ety of your pas se n­
gers, especially infants and sma ll ch ildren.
& WARNING
Never rely on airbags alone for protection.
Vehicle care Do-it-yourselt service iTechnical data