2011 AUDI A3 battery replacement
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![AUDI A3 2011 Owner´s Manual (]] Tips
• If you open the dr ivers doo r with the key left in the ign it ion loc k,
a chime will sound . This is your reminder to remove the key and lock
t he doo r.
• F](/manual-img/6/40268/w960_40268-40.png "AUDI A3 2011 Owner´s Manual (]] Tips
• If you open the dr ivers doo r with the key left in the ign it ion loc k,
a chime will sound . This is your reminder to remove the key and lock
t he doo r.
• F")
(]] Tips
• If you open the dr iver's doo r with the key left in the ign it ion loc k,
a chime will sound . This is your reminder to remove the key and lock
t he doo r.
• For security reasons, replacement keys are only available from
au thorized A ud i deale rs .•
Master key with remote control
The remote control allows you to lock or unlock the
vehicle electronically.
Fig. 26 Fold-u p
m aster key w ith
re mote co ntrol
- To fold the key out and bac k in place, press the re lease
button==> fig. 26 .
The transmitter and battery are located in the head of the remote
cont rol. The receiver is located inside the veh icle. The maximum
effect ive ra nge depends on severa l things . Remember, if the battery
is weak, the effect ive range decreases.
If you need to replace the remote control, or if you need to have it
repaired, yo u mus t see your authori zed Aud i dealer. Only then can yo u
use the key again .
Contro ls a nd e quip ·
m en t Vehicle
OP-eration
Opening and closing
(]] Tips
• If the ignitio n is switched on, the remote con trol system is deacti
vated.
• T he remote control system can be affected by other systems oper·
ating in the same frequency range close to the veh icle, such as mobile
t elephones, te levision broadcasti ng stations, etc.
• For Declaration of Compliance to United States FCC and Industry
Canada regulations=:>
page 303 . •
Check light in remote master key
The check light in the r em ote m aster ke y indi cat es the
state of charge of the battery .
State of master key battery
Fig. 27 C hec k ligh t in
the maste r key
When a button is pressed, the check light flashes=:> fig . 27 (arrow) .
If the check light does not come on or flas h, the batte ry is dead and
has to be rep laced.
Battery replacement =>
page 40. •
Vehicle care Do-it-yourselt service iTechnical data
Page 42 of 320
Open ing and closing
Master key battery replacement
Each master key contains a battery housed under the
cover.
Fig. 2 8 Mas ter key :
opening the cover
We recommend having the battery changed by a qualified
workshop . However , if you wish to replace the dead battery
yourself, proceed as follows:
- Pry apart the base~ fig. 28 @and the cover @carefull y
with a coin .
- Remove the cover (arrow) .
- Remove the dead battery from the cover .
- Install the new battery. Please make certain that the"+"
sign on the bat tery faces down in the cover. Correct
polarity is shown on the cover.
- Place the cover with the new battery on the key base and
press both parts together.
For the sake of the environment
Dispose of dead batteries p roperly so as not to po llute the environ ·
ment .
[I] Tips
The replacement battery must be the same specification as the
original. •
Electronic immobilizer
The immobilizer helps to prevent unauthorized use of
your vehicle .
A computer chip inside your key automatically deactivates the elec
tronic immobilizer when you insert the key in the ignition lock . When
you remove the key from the ignition lock, the electron ic immobilizer
is automatica lly activated once again .
[I] Tips
• The veh icle cannot be started if an unauthorized key is used. The
vehicle may not start if another radio device such as a key for another
vehicle o r transponder is located on the key ring.
• For Declarat ion of Compliance to United States FCC and Industry
Canada regulations
~ page 303. •
Power locking system
General description
The power locking system locks or unlocks all doors and
the rear lid simultaneously.
The power locking system in you r vehicle incorpo rates the following
functions :
• Central locking funct ion
• Remote con trol feature ~
page 39.
• Anti -theft alarm system~ page 48.
Page 244 of 320
___ C_ h_ e_c _k _i _ n _g ~ a_n _d_ f_il _l_in _ g _________________________________________ _
- Connect both battery cables to the batt ery if necessary -
first plus, then minus .
The battery m ust not be opened!:::} 0 in "Gene ral informat ion" on
page 238.
Charging the battery
On ly use chargers with a m aximum charging voltage of 14.8 V. T he
ba ttery conne ct ing cab les do not need to be d isco nnected. Do not
open the battery when charg ing.
Read all of the manufacturer's instr uctions for the charge r be fore
charting the battery .
It is not necessary to remove the battery from the engine compart
ment, and i t is also not necessa ry to disconnect the cables.
Norma lly, a battery should be charged at no more tha n 10 perce nt of
i t s rated capaci ty.
For example, a charging cu rrent of 4.5 amps wou ld b e used on a
battery rated at 45 Ah. Rate d capacity of the battery in your ve hicle is
listed on the batte ry housin g.
The bat tery caps shou ld
not be opened when charg ing a battery.
& WARNING
Charging a battery can be dangerous.
• Never charge a frozen battery . It may explode be cause of gas
trapped in the ice. Allow a frozen battery to thaw out first.
• Do not reuse batter ies wh ich were frozen . They must be
replaced. The battery housing may have cracked and weakened
when the battery froze .
• Charge th e battery in a w ell ventilated area. Keep away from
open flame or electrical spark . Do not smoke. Hydrogen gas gener
ated by the battery is explosive.
• To reduce the danger of e xplosion, never connect or disconnect
c harger cable s while the charger i s operating.
& WARNING (c on tinued )
• Fast charging a battery is dangerous and should only be
attempted by a competent technician with the proper equipment .
• Battery acid that may spill during charging should be washed
off with a solut ion of warm water and baking soda to neutralize
the acid.
0 Note
• M ake s ure that the gas venting hose is always connected to the
or ig inal open ing o n the ba tte ry s ide . Othe rw ise gasses or battery aci d
co uld leak out .
• N ever use a fast cha rger as a booster to start t he eng ine . Th is will
ser iously damage sensitive electronic components, such as control
units, relays, radio , etc. , as well as the batte ry c harge r.
• Th e vehicle may be optionally equ ipped wi th a gel ba tte ry, which
can only be charged at a constant current-limited voltage . To prevent
damage to the batte ry and the electronics system, a gel battery that
is connected must under no c ircums tances be charged with a quic k
charger.
[I) Tips
• The veh icle battery must not be c harged with a standard sma ll
c harger that plugs in to the outlet.
• Only charge the battery th rough the connections in the engine
c omp artment .•
Battery replacement
T he new battery must have the s am e specific ations as the
old one.
Inte lligent energy management in yo ur vehicle is responsib le for
distr ib uting the elect rical e nergy througho ut your vehicle
Page 312 of 320
-Alphabetical inde x __ __,_ ______________________________________________ _
Heated outside mirrors ...... .... .. .. . 65 Improperly worn safety belts .... .. .. . 143 K
Heated washer jets
Wiper and washer system ...... ... . 65
Heavy clothing and safety belts ..... ... 138
High beam ...... ...... .. .. .. .. .. 56, 59
Warning/indicator lights . .. .. ... ... 14
High voltage warning labe l ........ ... 294
Hill Descent Assist . . . . . . . . . . . . . . . . . . 118
Hill hold assist Starting on hills
hood 110
See Engine hood ...
.............. 225
Hood release ......... .............. 225
Horn ........... ...... .. .. .. .. .. .. .. 7
How are child restraint system anchors related
to child safety . .. .. .. .. ......... 180
How many a irbags does my vehicle have? .. ..
152
How often should I check my tire pressures? .
253
How safety belt pretensioners work .. .. 143
Hydroplaning ... .... ............... 257
I
Ignition key ... .. .... ......... .... .. 106 Indicator light
Airbag system ....... ..... ... 156, 157
Audi magnetic ride ... ... ... ..... .. 12
PASSENGER AIR BAG OFF ... ...... . 157
Indicator lights . .. ........... ...... 8 , 11
Red symbols in the center display .. .. 30
Yellow symbols in the center display . . 30
Infant seats .... .... .. .. .. .. .. .. ... 172
Inside rear view mirror ........ .. .. . 63, 64
Installing child safety seats Safety belts . . . . . . . . . . . . . . . . . . . . . 177
Installing the upper tether strap on the anchorage ... ................. . 185
Instrument panel Illum ination ......... .... .. .... .. 58
Instrument panel and controls . .. .. .. .. .
8
Instruments and controls
General illustration . . . . . . . . . . . . . . . . . 7
Interior light Rear ... ................. .. .... .. 62
Interior lights .. .. ................ 60, 61
Ambient lighting ... ............... 62
Luggage compartment ............. 63
Interlock switch ............. .. .. .. .. 33
Ignition lock ....... ... ............. 106
J
Ignition lock positions .. .. .. ......... 106
Immobilizer .. .. ..... ... .. .......... 10 Jack and too ls . ... ................. . 270
Important information for vehicles with Diesel engine when adding or chang ing engine
oil .. ....................... .. 233
Important things to do before driving .. 125 Jump starting
.. .. .. ......... ...... . 288
Jumper cables .. .. .................. 288
Jump -starting ............... .. .... . 286 Key
............. ... ... ... .. .. ..... 38
Battery replacement . . . . . . . . . . . . . . . 40
Coded sett ings ............ .. .. .. 102
Convenience opening and closing of
windows . .. .. .... .............. SO
Key replacement .... .............. 38
Master key . .. .. .. .. .. .. ... ..... .. 38
Valet key .... .... .. ... ... ... .. .. . 38
Key-coded settings Climate controls .. .. ............. 102
Kick-down Automatic transmission ........... 120
L
LATCH 180
Description . ... ................. 182
Installing a child restraint .. ... .. .. 183
Location ............ ...... .... .. 181
Mounting and re leasing the anchorage
hook .. ........... .. .... .. .. .. 183
Launch Control Program ............. 120
Leather .................... ... .. .. 215
Cleaning ........... .. ... ..... .. 216
leaving home ... ............. .... .. . 57
Lifting jack ............ .... .... .. .. 276
Lifting points ................ ...... 292
Lifting/ra ising the vehicle ........... . 292
Light coming/leaving home ............ .. 57
Exterior lighting .. .. .... .......... 57
Page 313 of 320
___________________________________________ A_ l!,.. p _h _a_ b_ e_t _ic _a_ l_ in_ d _ e_x __ fflll
Light/rain senso r defective .......... ... 36
Lights ... .. .. .. ..... ....... .. .. . .. .. 56
Emergency flasher .. .. . ... ... .. ... . 59
Front fog lig hts .. .... .. .. .. .. ..... 58
Headlights ................... .. .. 56
H igh beam . . . . . . . . . . . . . . . . . . . 56, 59
High beam warning/indicator light ... 14
I n strument pane l illumination .. ... .. 58
Side marke r lights ........ ........ . 56
Turn s ignals ............... ... .. .. 59
Xe no n headl ights .............. .. .. 56
Loading the luggage compartment ..... 131
Loa ding the roo f rack .. .. .. ...... ..... 88
Locking Manual back-up ........ .. .........
47
Powe r locking switch .. ... .... ..... . 44
Rear lid .................. ...... .. 4 5
Remote cont rol ................... 42
Us ing the fo ld -out key .............. 43
Lower universal anchorage bars (Canada) .. .
180
Lower unive rsal a nchorages (Canada) .. . 180
Luggage Stowing .... ........... ...... .. . 131
L u ggage compartmen t
Cargo net ... .. .. .. ... ... .... .. .. . 83
Fastening eyes ... .. .. .. ...... .. .. . 82
Inc reasing size ... .. ...... ... . ... .. 81
Light ............................ 63
Retractable cover .................. 84
Sk i sack .......................... 85
See also Loading the luggage
comp artment .................. 131
Controls and equip
ment Safety first
Lumbar
support ...... ... .... ... .. .. . 77
M
Maintenance .......... .. .. ..... .... 299
Ma lfunction Ind icator Lamp (M IL) . . . 1 4, 20
Ma nual transmission ................ 114
Gearsh ift leve r ... ... ...... .... ... 114
Master key ................. .. .. .. .. .
39
Battery replacement ............... 40
Master key remote control ..... .. .. .... 39
Menu button .. ... ................... 24
Men u display
Dr iver Info rmation Display ..........
22
Mirrors
Act ivat ing t he d igita l compass ... .. ..
71
Adjusting the anti -g la re . . . . . . . . 63, 64
Automatica lly dim ming inside mirror . 64
Inside day-night mirror ..... .. .. .... 63
Interior mirror . . . . . . . . . . . . . . . . 63, 64
Outside mirrors . ............... ... 65
Monitor ing the Adv anced Airb ag Sys tem 156
Mounting hooks ............... ...... 83
N
Natural leathe r .................. ... 215
New tires and whee ls ..... .. ... .... .. 257
NHTSA
Conta ct ing . .. .... .... .. ... ...... 133
Number of seats ...... ... .... .... ... 135
0
Occupan t seating positions ........... 126
Octane rating . ... .. .. .. .... ... . ... . 219
Odomete r .................. .. .. .. .. 10
Oil
What kind of oil shou ld I put in my eng ine?
228
See also E ngine o il ....... ... . ... . 228
On -Board Diag nostic System ... .... .. .. 20
E le ctroni c speed lim iter .......... .. 20
M alfu nction Indi cato r Lamp ( MIL) .... 20
On-Board Diagnostic System (OBD) .. .. .. 20
Data Link Connecto r (DLC) .......... 20
Open door or front lid wa rning ... . ... .. 18
Ope ra te you r ve hicl e economically a nd mini-
mize pollution .................. 200
Optiona l equipmen t
Marked with an aste risk ... .. .. .. .... 5
O ther eq uipment (effic iency p rogram) ... 26
Outlets ... .. .. .. ...... .. ... .. . ... .. 90
Outside air poll utio n
How to preve nt from enteri ng the vehicle
100
Outside mirrors .. ..... .. . .. ...... .. .. 65
Ou tside temperature display ........... 18
Owner's manual How the Owner's Manual is organ ized .. 5
p
Paint
Touch-up . .. .. .... ..... ........ . 210
Vehicle operation Vehicle care Do-it-yourself service Technical data