battery replacement AUDI A3 CABRIOLET 2015 Owners Manual

162 Airbag system
Repair, care and disposal of the airbags
Parts of the airbag system are installed at
many different places on your Audi. Installing,
removing, servicing or repairing a part in an
area of the vehicle can damage a part of an
airbag system and prevent that system from
working properly in a collision.
There are some important things you have to know to make sure that the effectiveness of
the system will not be impaired and that dis­
carded components do not cause injury or pol­ lute the environment.
A WARNING
Improper care, servicing and repair proce­
dures can increase the risk of personal in­
jury and death by preventing an airbag from deploying when needed or deploying
an airbag unexpectedly:
- Never cover, obstruct, or change the
steering wheel horn pad or airbag cover
or the instrument panel or modify them
in any way.
- Never attach any objects such as cup
holders or telephone mountings to the
surfaces covering the airbag units.
- For cleaning the horn pad or instrument
panel, use only a soft, dry cloth or one
moistened with plain water. Solvents or
cleaners could damage the airbag cover
or change the stiffness or strength of the material so that the airbag cannot de­
ploy and protect properly.
- Never repair, adjust, or change any parts
of the airbag system.
- All work on the steering wheel, instru­
ment panel, front seats or electrical sys­
tem (including the installation of audio
equipment, cellular telephones and CB
radios, etc .) must be performed by a
qualified technician who has the training
and special equipment necessary.
- For any work on the airbag system, we
strongly recommend that you see your
authorized Audi dealer or qualified work­
shop. -
Never modify the front bumper or parts
of the vehicle body.
- Always make sure that the side airbag
can inflate without interference:
- Never install seat covers or replace­
ment upholstery over the front seat­
backs that have not been specifically
approved by Audi.
- Never use additional seat cushions that
cover the areas where the side airbags
inflate.
- Damage to the original seat covers or
to the seam in the area of the side air­
bag module must always be repaired
immediately by an authorized Audi
dealer.
- The airbag system can deploy only once.
After an airbag has been deployed, it must be replaced with new replacement
parts designed and approved especially
for your Audi model version. Replace­
ment of complete airbag systems or air­
bag components must be performed by
qualified workshops only . Make sure that
any airbag service action is entered in
your Audi Warranty
& Maintenance book­
let under
AIRBAG REPLACEMENT RE­
CORD.
- For safety reasons in severe accidents,
the alternator and starter are separated
from the vehicle battery with a pyrotech­ nic circuit interrupter.
- Work on the pyrotechnic circuit inter­
rupter must only be performed by a
qualified technicians who have the ex­ perience, information and special tools
necessary to perform the work safely.
- If the vehicle or the circuit interrupter
is scrapped, all applicable safety pre­
cautions must be followed.
@) For the sake of the environment
Undeployed airbag modules and preten­
sioners might be classified as Perchlorate
Material -special handling may apply, see

198 Driving and the environment
can reach the cata lytic converter. This
could result in overheating of the con­
verter, requ iring its replacement.
- To assure efficient operation of the Emis­
sion Control System:
- Have your veh icle ma intained properly
and in accordance with the service rec­
ommendations in your Warranty
&
Ma intenance booklet.
- Lack of proper maintenance as well as
improper use of the vehicle will impa ir
the function of the emission control
system and could lead to damage.
@ For the sake of the environment
Even when the Emission Contro l System is
operating properly, the exhaus t gas can
have a sulfur-like exhaust gas smell under
some operating states. This depends on
the sulfur content of the fue l being used .
Using a different brand of fuel may help,
or filling the tank w ith lead-free super
grade gasoline.
Placing your vehicle
out of service
If you wou ld like to take your vehicle out of
service for a longer t ime, contact your author­
ized Audi dealer or qualified repair facility.
They will advise you of important measures,
such as corrosion protection, maintenance
and storage procedures. Also follow the infor ­
mat ion about the battery
¢ page 223.
Operate your vehicle
economically and
minimize pollution
General
Your personal style of driving will determine
the economy of your vehicle, as well as ex­
haust and noise levels .
Fuel economy, environmental impact, and
wear on your engine, brakes and t ires largely
depend on three factors: -your
personal driving style
- operating conditions
- technical limitations
If you ant ic ipate what you need to do next and
drive econom ically, you can easily cut your
fuel consumpt ion by 1O-lS percent . This sec­
t ion w ill give you some tips on how you can
help the env ironment and your pocketbook.
(D Tips
The consumption estimates as published
by ENVIRONMENTAL PROTECTION AGENCY
(EPA) and Transport Canada may not corre­
spond to your actual consumption on the
road, which will vary depending upon vehi­
cle load and speed, road and weather con­
ditions, trip length, etc.
Drive smoothly and keep a lookout
ahead
Vehicles use the most fuel when they are ac­
celerating.
.,. Avoid unnecessary accelerating and braking.
Vehicles use the most fuel when they are ac­
ce lerating. If you anticipate what is going to
happen next, you will need to brake less and,
thus, acce lerate less. Let the vehicle coast
whenever possible -for example when you see
that the next traffic light is red.
Avoid full throttle '
Driving at moderate speeds saves fuel and
improves your mileage.
.,. Try and keep well below your car's maximum
speed.
Acce lerating gently reduces fue l consump­
tion, engine wear, and does not disturb the
environment.
Fuel consumpt ion, exhaust emissions and en­
gine noise increase disproportionate ly at high
speeds. If you drive at approximately three
quarters of top speed, fuel consumption wi ll
be reduced by one half. Never drive faster
1111>

226 Check ing and F illin g
• Only now plug the mains lead for the charg ­
ing equipment into the wall outlet and turn
iton ¢_& .
• M ake sure the ch arging rate is not o ver
30 amp s / 14. 8 Volt.
• When the battery is fully charged: Turn the
charging equ ipment off and remove the
mains lead from the wa ll outlet .
• Now remove the clamps for the charg ing
equipment.
• Close the red cover on the posit ive po le.
• Close the hood
¢ page 216.
A discharged batte ry can fr eez e at tempera­
tures of on ly 32 F
0 (0 °C). A llow a frozen bat­
tery to thaw completely before attempting to
charge it¢ .&. . However, we recommend not
using a thawed battery again because the bat­
tery casing can be cracked due to ice forma­
tion and can leak battery acid.
Batt ery cha rg ing (Ma ximum cha rging rate
of
30 a mp s/ 14.8 Vo lt )
When charging at low voltages (e .g. w ith a
t ric kle char ger ), the battery cables do not
have to be d isconnected first . The battery
caps should
not be opened when charging a
battery.
It is not necessary to remove the battery from
the luggage compartment, and it is also not
necessary to disconnect the cables .
Fas t ch arg ing th e batter y (charging r ate
above 14.8 Volt s)
For technical reasons do not use a battery
charger that uses voltage g reate r than
14 .8 Volts to charge your veh icle's battery .
A WARNING
-
Charging a batte ry can be dangerous.
- Always follow the operating instructions
provided by the batte ry charger manu­
facturer when charging your battery.
- Never charge a frozen battery .
It may ex­
plode because of gas t rapped in the ice.
Allow a frozen batte ry to thaw o ut first.
- Do not reuse batteries which were fro­
zen. The batte ry housing may have cracked and weakened when the battery
froze.
- Charge the battery in a well ventilated
area. Keep away from open flame or elec­
tr ical spark. Do not smoke. Hydrogen gas
generated by the battery is explos ive.
- To reduce the danger of explosion, never connect or d isconnect charger cables
while the charger is operat ing .
- Fast charging a battery is dangerous and
should only be attempted by a compe­
tent techn ic ian with the proper equip­
ment.
- Battery acid that may sp ill dur ing charg­
i n g should be washed off with a solut ion
of warm water and baking soda to neu­
tralize the ac id.
(D Note
Never use a fast charger as a booster to
start the eng ine . Th is w ill seriously dam­
age sens it ive e lectronic components, such
as contro l units, re lays, radio, etc., as well
as the battery charger.
Battery replacement
The new battery must have the same specifi­
cations and dimensions as the original equip­
ment battery.
Intelligent energy management in your vehi­
cle is responsible for distributing the elect ri­
ca l ene rgy th rougho ut yo ur vehicle
¢page 193. The intelligent energy manage­
ment system will keep the engine battery
charged better than vehicles without this sys­
tem. To make sure the additional electrical en­
ergy is ava ilable once again after you have
changed the battery, we recommend that you
install batteries of the same type and manu ­
facture only (the same as those installed at
the time your veh icle was de livered) . Specifi­
cations are listed on the batte ry housing. Your
a utho rized deale r must code the batte ry in
the energy management system to enab le you
to use the energy management functions cor -
rect ly after replacing the battery.
ll-

292 Index
How often should I check my tire pres -
sures? . ..... ... ............. ..... .
241
How safety belt pretensioners work ... . 144
Hydroplaning ................. .... . 248
I
Ignition
Indicator light . . . . . . . . . . . . . . . . . . . . .
21
switching on and off (with button) ..... 78
Ignition key safety interlock . . . . . . . . . . . 76
Ignition lock mechanical . . . . . . . . . . . . . . . . . . . . . . . . 76
Immobili zer . . . . . . . . . . . . . . . . . . . . . . . .
31
Important things to do before driving .. 126
Improperly worn safety belts ....... .. . 144
Indicator lights ...................... 13
Infant seats . . . . . . . . . . . . . . . . . . . . . . . 17 5
Installing child safety seats Safety belts . . . . . . . . . . . . . . . . . . . . . .
180
Installing the upper tether strap on the
anchorage . .. ............. .. .. .. ...
186
Instrument cluster ......... .... .... .. 10
Instruments .... .... ...... .. .. .. .. .. 10
Adjusting the lighting ......... .. .... 53
Interior lighting .............. ..... .. 52
Intermittent (windshield wipers) . . . . . . . 53
]
Jump-starting
Jump start cables 273
274
K
Key
..... .... ................ ..... .. 31
Checking the number ....... ... .... .. 31
Driver messages (mechanical ignition
key) . .. .. .. .. . .......... .. .. .... ..
81
Driver messages (with convenience key) . 81
Key not recognized . . . . . . . . . . . . . . . . . . 80
Key replacement . . . . . . . . . . . . . . . . . . . 31
Replacing the battery ..... .. .. .. .. .. 33
unlocking/locking . . . . . . . . . . .
33, 34, 35
Key recognition
Climate control system . . . . . . . . . . . . . . 70
Kick-down Automatic transmission ... .. .. .....
115
Knee airbags .... .. ............. .... 163
Description . ..... ................ . 163
How they work ... ................ . 164
Important safety instructions ........ 165
L
Lane assist
refer to Active lane assist ........... . 99
LATCH ... .. .. .. .. ............. .. ..
183
Description .. .. .. .. .............. . 184
Installing a child restraint ........ ... 185
Location . . . . . . . . . . . . . . . . . . . . . . . . . 184
Mounting and releasing the anchorage
hook ..... .... .. .. ........... ....
185
Launch Control-Program (automatic t rans-
m1ss1on) ....... .. .. .............. .
116
Leather care/cleaning ............... . 207
Leaving home .................... .. .
51
LED headlights
All-weather lights ................ .. 49
Left hand drive . . . . . . . . . . . . . . . . . . . . . .
52
Lifting jack . .... ............... .... 266
Lifting vehicle . .. .. .. ........... .. .. 277
Light adaptive light . . . . . . . . . . . . . . . . . . . . . . SO
Adjusting automatic headlights ...... .
51
Coming/Leaving home .......... .... . 51
Fog lights/rear fog light(s) .... ...... . 49
Headl ight flasher .... .......... .. .. .
51
Headlights . . . . . . . . . . . . . . . . . . . . 49, 51
Highway light .... ................ .. SO
Low beams . ..... ................ .. 49
Parking light .................... .. . 49
Switching daytime running lights on and
off . .. ... ... .. .. .. ..... ...... .. .. .
52
Travel mode . . . . . . . . . . . . . . . . . . . . . . . 52
Light/rain sensor
Headlights .... .. ................. . 49
Indicator light ... ............. .....
24
Intermittent (windshield wipers) ..... . 53
Lighting
Exterior . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Interior . . . . . . . . . . . . . . . . . . . . . . . . . . .
52
Lights
Ambient lighting . . . . . . . . . . . . . . . . . . .
52
Headlight range control system ... ... . 49
Interior/reading . . . . . . . . . . . . . . . . . . . .
52

M N ,....
> co ,...., \!) 1.1'1 ,...., 1.1'1 ,....,
_______________________________ I~ n~ d:::: e~x 295
Recirculation mode
automatic control system . . . . . . . . . . . . 73
manual climate control system . . . . . . . . 72
Reducing fuel consumption
Efficiency program . . . . . . . . . . . . . . . . . . 28
Remote control
refer to Remote control key . . . . . . . . . . 31
Remote control key . . . . . . . . . . . . . . . . . . . 31
LED . . . . . . . . . . . . . . . . . . . . . . . . . . 31 33
,
Replacing the battery ..... .. .. .. .. .. 33
Synchron izat ion ....... ...... .... ... 33
un locking/locking ........... .... ... 33
Repair manuals ............ .... .. .. . 282
Repairs Airb ag system ........ ......... .. . 162
Replacement key . . . . . . . . . . . . . . . . . . . . 31
Replacing Light bulbs . ............. .... .. .. . 272
Tires and wheels ......... .. .. .. .. . 249
Replacing windshield wiper blades .. .. .. 54
Report ing Safety Defects . . . . . . . . 134, 135
Reset button (tr ip odometer) . . . . . . . . . . 11
Resetting the trip odometer ... .. .. .. .. 11
Retract New brake pads 190
Retractor
' . .. .. .............. ... .. . 141
Reverse (automat ic transmission) . .. .. . 110
Reversible mat ............ .... .. .. .. 69
Right hand drive .............. ... .. .. 52
Rollba r
refer to Active rollover protection sys -
tem ... .. .. .. .. ........... .. .. ... 135
s
Safe driving hab its
Safety 126
Airbag-System ........... .... .. .. . 146
Belts .. .. .. .. ........ ... .. ... ... . 138
Safety belt position ................. 142
Safety belts worn by pregnant women . 143
Safety belt pretens ioner ..... .. .. .. .. . 144
Service and disposal ...... .. .. .. .. . 145
Safety belts . . . . . . . . . . . . . . . . . . . 138, 141
Cleaning ... .. ........ ... .. ... ... . 207
Danger to passengers who do not wear a
safety belt .............. .. .. .. .. . 139 Fastening .
. . . . . . . . . . . . . . . . . . . . . . . 141
Improperly worn ... ............... 144
Ind icator light ... .. ................ 20
Not worn . .. .. .. ................. 139
Safety belt position . . . . . . . . . . . . . . . . 142
Safety instructions ................. 141
Securing child safety seats ...... .. .. 180
Spec ial considerations for pregnant
women . .. .. .. .. .. . .............. 143
Unfastening . .. .. .... ........... .. 143
Warning/indicator light ............. 138
Worn properly . . . . . . . . . . . . . . . . . . . . 140
Safety belt warning light ............. 138
Safety central locking ............ .. .. . 37
Safety compliance sticker ............ 279
Safety equ ipment ................... 126
Safety features for occupant restraint and
protection .. .. .. .. ................. 126
Safety instructions for using child safety seats .......... 173
for using safety belts .............. . 141
Monitoring the Advanced Airbag Sys -
tem .... .. .. .. .. .. ............... 161
Safety systems (indicator light) . . . . . . . . . 20
Scheduled maintenance interval
with dr iver information system . . . . . . . . 13
Screwdriver ....... .. ............... 261
Seat adjustment
Driver's seat . . . . . . . . . . . . . . . . . . . . . . . 59
Front passenger's seat . . . . . . . . . . . . . . . 60
Head restraints .................. . 130
Seat heating ....... ................. 74
Seating position Driver .... .. .. .. ................. 127
Front passenger .. .. ... ....... ..... 128
How to adjust the front seats ....... . 128
Incorrect seat position ............. . 130
Occupants . .. .. .. ............... .. 127
Rear passengers ...... ........... .. 129
Seats adjusting . . . . . . . . . . . . . . . . . . . . . 60, 61
Easy seat entry . . . . . . . . . . . . . . . . . . . . . 61
Folding ..... .. .. .. .. ........... .. . 66
Seats (number) .. ...... ............. 138
Selective wheel torque control ........ 188
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