2013 AUDI A5 CABRIOLET battery replacement

keys. Unguarded access to the keys pro­
vides children the opportunity to start
the engine and/or activate veh icle sys­
tems such as the power windows etc. Un­ supervised operation of any vehicle sys­
tem by ch ildren can result in serious in­
jury.
- Do not remove the key from the ignition
lock until the vehicle has come to a com­
plete stop. Otherw ise the steering col­
umn lock cou ld suddenly engage -caus­
ing the risk of an accident.
(D Tips
- The operation of the remote contro l key
can be temporarily disrupted by interfer­
ence from transmit ters in the vici nity of
the vehicle working in the same frequen ­
cy range (e .g . a ce ll phone, radio equip­
ment).
- Fo r security reasons, replacement keys
are on ly available from Audi dea lers .
- For Decla rat ion of Compliance to United
States FCC and Industry Canada regula­
tions
~page 272.
Removing the mechanical key
0 ....
9 r
. ~
•
Fi g. 18 Remote master key: remov ing the mechanical
key
.,. Press the release button@r=:>fig. 18.
.,. Pull the mechan ical key ® out of the mas­
ter key.
Using the mechan ical key, you can:
- lock and unlock* the glove compartment on
t h e passenger's sider::;,
page 67.
Op enin g an d clos ing 33
- lock and unlock the vehicle manually
r::;, page 36 if this should not be possible
w ith the master key.
- use the ignition key emergency release
r::;, page 34.
Check light and battery in the master
key
Fig . 1 9 Remote master key: removing the battery hold ­
er
Check li ght in the mast er key
The check light @r=:>
fig. 19 in the master key
provides information about different condi­
tions.
.,. The check light turns on briefly once when a
button is pressed, and during an "inquiry"
by the convenience key system.
.,. If the check light does not come on, the
battery is dead a nd has to be replaced. In
add it ion, when the battery is dead
the m
indicator light appea rs in the instrument
cluste r display as we ll as the message
Please cha nge key batte ry .
Ma ster key battery replacement
.,. Remove the mechanica l key
r::;, page 33 .
.,. Press the release button @ r::;, fig. 19on the
bat tery ho lder and a t the same time pull the
battery ho lder out of the master key in the
direction of the arrow .
.,. Insta ll the new battery CR 2032 with the
" + " sign facing down .
.,. Push the battery holder carefully into the
master key.
.,. Install the mechanical key .

34 Openin g and clo sing
@ For the sake of the environment
Dispose of dead batteries proper ly so as
not to pollute the environment.
@ Tips
The replacement battery must be the
same specification as the original.
Emergency unlocking of the ignition key
In the event of malfunctions in the electrical
system, it may happen that you cannot re­ move the ignition key .
,. Remove the me chanical key c> page 33.
,. Lock the vehicle using the mechanical key
i=>page 36.
,. Have the electrical system inspected by an
authorized Audi dealership.
Locking and unlocking the vehicle with
the remote control
Fig . 20 Remote master key: funct ion buttons
,. Press button 0 to unlock the vehicle
c>fig. 20.
,. Press button ff) to l ock the vehicle c> A in
General description on page 31.
,. Press b utton cs briefly to unlock the rear
lid.
,. Press the but to n
cs for a t least one second
to open t he rear lid.
,. Push the red
I PANIC I button to activate the
panic function . The horn sounds and the
tu rn signals flash . Push the red
I PANIC I but­
ton again to deactivate the panic function.
If the vehicle is unlocked and no door, the rear
lid or the hood is opened within 60 seconds, the vehicle locks itself again automatica
lly.
T his feature prevents the vehicle from being
accidentally left unlocked over a long period
of time.
It depends on t he settings in the radio or
MMI * whether the entire vehicle is unlocked
or on ly certain doors¢
page 36.
On vehicles wi th a utomatic transm ission, the
selector lever must be in the P position, other­
wise the vehicle cannot be locked.
.&_ WARNING
--
Read and follow all WARNINGS ¢ & in
General description on page 31.
(D Tips
- In order to make sure the locking f unc­
tion is work ing, you should a lways keep
your eye on the vehicle to make s ure it is
properly locked .
- Do not use the remote cont rol if yo u are
inside the car, otherw ise you may unin­
tentionally lock the vehicle, and then you
would set off the anti-theft alarm whe n
you try to sta rt the engine or open a
door. In case this happens anyhow, push
the unlock button@.
- Use the pa nic function o nly if you a re in
an eme rgency s ituation.
-Add itiona l remote co ntrol key functions
¢ page 40.

226 Check ing and filling
Never use a fa st charger as a booster to
start the engine . T his will seriously dam­
age sensitive electronic components, such
as control units, relays, rad io, etc ., as well
as the battery charger.
Battery replacement
The new bat tery must have the same specifi­
cations and dimensions as the original equip­
ment battery .
Intelligent energy man agement in your veh i­
cle is respons ible for d istributing the e lectr i­
cal energy throughout your vehicle
c::>
page 185. The intell igent energy ma nage­
ment system w ill keep the engine battery
cha rged bette r then vehicles w it h out th is sys ­
tem. To make sure t he addi tional e lectrica l en­
e rgy is availab le once again after you have
cha nged t he battery, we recommend that you
install batteries of the same type and ma nu­
facture only (the same as those installed at
the time your vehicle was delivered). Specifi­
cations are listed on the battery hous ing. Your
author ized Audi dealer must code the battery
in the ene rgy management system to enable
you to use the ene rgy management functions
cor rectly after repla cing t he battery .
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), ampe rage, con­
s truction and plug sea ling .
When insta lling the battery , make sure the ig ­
ni tion and all electr ical cons umers are turned
off.
0 Note
Ma ke sure t he vent ilation hose on the s ide
of the batte ry is con nected, ot herwis 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 battery , we recommend your au thor­
i z ed Audi deale r change the batte ry for you
. Batteries contain sul fur ic acid and
l ead and must a lways be disposed of prop­
erly in comp liance with a ll environmental
regulations. Disposing of vehicle batter ies
i mproperly is very dangerous to the envi­
ro nment .
Windshield/headlight*
washer container
Fig. 181 En gin e compa rt m en t: Cover o n the wind ­
s hi eld an d headlig ht• was her fluid conta iner
T he was her fluid co nta iner is mar ked w ith the
symbol
O on its c ap c::> fig. 181, c::> fig . 175.
.,. Before yo u check anything in the engine
compa rtme nt, always read and heed all
WARNINGS c::> &. in Working in the engine
c ompartment on page 212.
.. Lift th e fi ller ca p tongue to ad d washer flu­
id . You can f ill the containe r to the top .
.. Press the cap back onto the fi ller neck after
fi lling the container.
You can find the reservo ir
capacity in t he table
in c::>
page 267 .
Clean wa ter should be used when filling up. If
poss ible, use so ft wat er to preven t scaling o n
the washer jets . A lways ad d a glass clea ner
solution (with frost protection in the winter) .
(D Note
Do not m ix eng ine cool ant an tifr eeze o r
any other a ddi tives to fill up the win d­
s hi eld washer rese rvoir .

280 Index
Indicator ligh ts ................ .... .. 13
Airbag system . .......... .. .. .... . 151
Dynamic steering .................. 183
PASSENG ER AIR BAG OFF .. .. .. .... . 151
also refer to Warning/indicator lights .. 13
Infant seats .... ........ .. .. .. .... . 167
Install ing ch ild safety seats
Safety belts . . . . . . . . . . . . . . . . . . . . . .
171
Instruments
Adjusting the lighting ..... .. .. .. .. . .
55
Instruments and controls ... .. .... .. . . 10
General i llustration .. ..... .. .. .. ... .. 8
I nter ior lights
Front .. .. .. .. . .......... .. .. .... ..
55
Rear .. .. .. .. .......... ... .. .... .. 55
Intermittent (windshield wipers) ... .. . . 57
J
Jump-starting 259
Ju mper cables . ........... ... .. .... . 260
K
Key ..... .... ... .......... .. .. .. .. .. 32
Battery replacement .......... .... ..
33
Check light . . . . . . . . . . . . . . . . . . . . . . . . 33
Emergency key . . . . . . . . . . . . . . . . . 32, 77
Ignition/engine on/off ..... .. .. .... .. 75
Key replacement ........... .. .. .. .. 32
Mechanical key . . . . . . . . . . . . . . . . . 32, 33
removing . . . . . . . . . . . . . . . . . . . . . . . . . 77
unlocking/locking . . . . . . . . . . . 34, 35, 36
Kick-down . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Knee airbags ... ........... .. .. .. .. .
155
D escr iptio n .............. .. .. .. .. . 155
How they work ... .......... .. .... . 156
Important safety instructions ..... .. . 157
L
La ne Change Assistant
refer to side assist ............ .... . 103
LA T C H ............ .......... ...... 175
Description . ... .......... .. .. .. .. . 176
Install ing a chi ld restraint .. .. .. .. .. . 177
Locat ion ... .......... ..... .. .... . 176
Mounting and releasing the anchorage
hook .... ... .... ........ .. .. .... .
177
Launch Control Prog ram ......... .. .. . 91
Leather ....... ... ................ .
203
Cleaning ...... .. ............. .... 204
Leav ing home ... .. ............. .... . 53
Left hand drive .... ... .......... .. .. . 54
Lifting jack ..... .. ..... ....... .... . 252
Lifting vehicle ... .. ... .......... .. .. 263
Light
adaptive light . . . . . . . . . . . . . . . . . . . . . .
52
Coming/Leaving home ........ .. .. .. . 53
Daytime running lights . . . . . . . . . . 52, 53
Exterior lighting . . . . . . . . . . . . . . . . 52, 53
Fog lights/rear fog light(s) ........ .. . 52
Interior/reading . . . . . . . . . . . . . . . . . . . . 55
Low beam ..... .. .......... ...... .. 52
Rear fog lights ... ..... .. ... ..... .. . 52
S ide marker lights . . . . . . . . . . . . . . . . . . 52
Tra vel mode . . . . . . . . . . . . . . . . . . . . . . . 54
Light/rain sensor
Headlights .. .. .. ..... ....... .... ..
52
Intermittent (w indshield w ipers) ..... . 57
Sensor defective . . . . . . . . . . . . . . . . . . . . 22
Lights
Emergen cy flashers . . . . . . . . . . . . . . . . . 54
High beam .... .. ... .... ...... .... . 53
Turn sign als . .. .. .......... ...... .. 53
Locking
Rear lid ... .... ... ................ .
37
Locking/unlocking
at the lock cylinder . . . . . . . . . . . . . . . . . .
36
by remote control . . . . . . . . . . . . . . . . . . 34
with the centra l locking switch ... .. .. . 35
with the conven ience key ........ .... . 35
Low beams ..... .. ............. .... . 52
Lower anchorage locator button ....... 176
Lower universal anchorage bars (Canada) 175
Lower universal anchorages (Canada) 175
Luggage
Stow ing .. .. ... ... ... ..... ... .. ..
127
Luggage compartment . . . . . . . . . . . . . . . . 68
Enlarging . . . . . . . . . . . . . . . . . . . . . . . . . 68
Lid ..... .. .. .. .. ............... .. . 37
Load ing ... .... .. ... .......... .... 127
Ski sack ... .... ... ................ . 68
Tie-downs . . . . . . . . . . . . . . . . . . . . 68, 128
Luggage compartment lid
Emergency un locking ........... .....
38