2011 AUDI A3 change key battery

- Plug in appliance to be used.
The outlet may be used for 12-volt app liances w ith maxim um
cons umption of up to 100 watts, such as a flash light, small vacuum
cl eaner, e tc.
Before you purchase any accessor ies, always read and fo llow the
info rm ation in::::,
page 301, "Add it io na l acc essories and p arts
re placemen t".
& WARNING
The outlet plus any appliances plugged into it remain functional
even if the ignition is switched off or the ignition key is removed. Never leave children inside the vehicle without supervision .
0 Note
To avoid damaging the socket, only use plugs that fit properly.
(I) Tips
When the engine is off and accessor ies are st ill plugged in and are on,
the ve hicle battery can sti ll be drained .•
Storage
General overview
There are numerous pl aces to st ore items in your vehi cle .
Storage in t he center armrest
Storage in the rear armrest
::::, page 79
Glove com partment (Ai r ven tila tion in t he ::::, page 92
glove compartment*, CD changer*)
Controls and equip ·
ment Safety first
Seats and storage
Center console ::::,
page 92
Compartments in the door tr ims ::::, page 93
Storage in the footwell ::::, page 93
Compartments in luggage compartment ::::, page 94
Coat hooks
Some of the storage locations are only fo und o n specific vehicle
mode ls o r are op tio nal equ ipme nt.
& WARNING
• Always remove objects from the instrument panel. Any items
not put away could slide around inside the vehicle while dri ving or
when accelerating or when applying the brakes or when dri ving
around a corner.
• When you are driv ing make sure that anything you may have
placed in the center console or other stor age locations cannot fall
out into the footwells. In c ase of sudden braking you would not be
able to b rake, depres s the clutch or accelerate .
• Any pieces of clothing that you have hung up must not inter­
fere with the driver's view. The co at hooks are designed onl y for
lightweight clothing . Never hang any clothing with hard, pointed
or hea vy objects in the pockets on the coat hooks. During sudden
braking or in an accident· especially if the airbag is deployed ·
the se objects could injure any passengers inside the vehicle. •
Vehicle care Technical data

___________________________________________ C_ h_e _c _k_ i_n ~g_ a_n_ d_ f_ i_ll _i_n _g __ _
nected. These functions have to be relearned after the battery termi­
nals are connected again. To prevent this, the battery should only be
disconnected from the vehicle electrical system if absolutely neces­
sary.
Power window one-touch
up/down function
Reprogramming
~ page 51, "Reactivating the sys­
tem after battery disconnection"
Master key with remote control Synchronization~
page 43
Digital clock ~ page 9
ESP indicator light The indicator light goes out after
driving a few meters
Vehicles not driven for long periods and short­
distance operation
If you do not drive your vehicle for several days or weeks, e lectrical
consumers are gradually scaled back or switched off. Th is reduces
energy use and ensures the vehicle will be able to start after long
periods of time~
page 194. Some convenience functions such as
opening with the remote control key may not be available. These
convenience functions will be available again once you switch the
ignition on and start the engine. Even when consumers are switched
off, the battery will become deeply discharged by stand-by power
consumers if the vehicle is not driven for several months . Deep
discharging results in a chemica l reaction that destroys the inside of
the battery. The battery must be charged every month to prevent th is
~ page 241. Do not disconnect the battery or the anti-theft alarm
system* will not work.
Winter operation
Cold weather places higher demands on the battery. This results in
reduced starting abi lity. Have the battery checked and recharged if
necessary before the cold weather beg ins.
Avoid unnecessary power consumption, part icularly in city traffic or
when travel ing on ly short distances. Let your author ized Audi dealer
Safety first
check the capacity of the vehicle battery before winter sets in
~ page 241. A well charged battery will not only p revent start ing
problems when the weather is cold, but will also last longer.
(D Note
• All work on the battery requires techn ical knowledge. Please
contact an Audi dealership or another authorized facility for ques­
tions about the battery- danger of acid burns and explosion hazard!
• The battery m ust not be opened! Do not try to change the
battery's liquid level, otherwise detonating gas will escape from the
battery - explosion hazard!
• The AGM battery in the luggage compartment cannot leak,
because the electrolyte for this battery is absorbed into a specia l
glass mat . This leak -proof battery must not be replace with a conven ­
tional battery .
• Make sure the ventilation hose on the side of the battery is
connected, otherwise fumes or battery acid can leak out.
• Battery holder and terminals always have to be secured correctly .
• Before all work on the battery follow the
warnings below~ & in
"Working on the battery" on
page 239. •
Working on the battery
All work on the battery requires technical knowledge! Be
especially careful when working on or near the battery!
Before you check anything in the engine compartment,
always
read and heed all WARNINGS~ & in "Working in
the engine compartment" on
page 226 .
Always heed the safety warnings, when working on the vehicle
battery or the vehicle electrical system to prevent injury .
Vehicle care Technical data