key AUDI A4 2008 B8 / 4.G User Guide

Doors and windows 46Emergency release for ignition key
In the event of a malfunction in the vehicle's electrical
system, it may no longer be possible to remove the igni-
tion key.If you are not able to remove the ignition key because the
vehicle battery has discharged (for example), remove the
key as follows:
– Press the release catch ⇒fig. 35 using a ball-point
pen or a similar object and pull the emergency key out
of the remote control key.
– Use the emergency key to lock the vehicle ⇒page 48.
– Have the vehicle's electrical system checked by a quali-
fied workshop.
Starting the vehicle with the spare key– Take the adapter for the spare key out of the glove box
⇒fig. 36.
– Slide the spare key ⇒fig. 37 all the way into the adapter.
Make sure that the Audi rings are facing upwards.
– Press the spare key in the adapter downwards until you
hear it engage.
– Insert the adapter, spare key first, into the ignition lock.
You should now be able to start the engine in the usual
way.
Fig. 35 Ignition lock
with key
AA
AB
Fig. 36 Glove box:
Adapter for spare keyFig. 37 Inserting the
spare key into the
adapter
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Doors and windows47
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
Locking and unlocking the vehicle with the remote control key– Press the
 button to unlock the vehicle ⇒fig. 38.
– Press the  button to lock the vehicle ⇒.
– Press the 
button briefly to unlock the boot lid.
– Press the

button for at least one second to open the
boot lid.
The vehicle will be locked again automatically if you do not open
one of the doors, the boot lid or the bonnet within 60 seconds after
unlocking the car. This function prevents the vehicle from remaining
unlocked if the unlocking button is pressed by mistake.
The system will either unlock all the doors or certain doors only,
depending on the settings you have chosen on the sound system or
MMI* ⇒page 50.
On vehicles with the advanced key* the selector lever must be in P,
otherwise it will not be possible to lock the vehicle.
WARNING
Do not leave anyone (especially children) in the car if it is locked
from the outside and the deadlock mechanism is activated: the doors and windows cannot then be opened from the inside.
Locked doors could delay assistance in an emergency, potentially
putting lives at risk.
Note
Do not use the remote control key when the vehicle is out of sight.Applies to vehicles: with advanced keyLocking and unlocking the vehicle with the advanced key
The doors and the boot lid can be locked and unlocked
without handling the remote control key.Unlocking the vehicle
– Take hold of the door handle. The door will be unlocked
automatically.
– Pull the door handle to open the door.
Fig. 38 Remote control
key: Control buttons
WARNING (continued)
Fig. 39 Audi advanced
key: Unlocking one of
the doors
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Doors and windows 48
Locking the vehicle
– Move the selector lever to position P (automatic
gearbox), otherwise it will not be possible to lock the
vehicle.
– Touch the sensor on the door handle once to lock the
vehicle ⇒.
– Touch the sensor a second time within 2 seconds to lock
the vehicle without activating the deadlock mechanism.The vehicle can be locked and unlocked from any of the doors. The
driver's door will always be unlocked as well when the passenger's
door is unlocked. The remote control key has to be within a range of
about 1.5 metres of the relevant door or the boot lid. It does not
matter where you carry the key, for instance whether it is in your
jacket pocket or in a briefcase.
The unlocking function may be affected if the sensor area on the
door handle is touched while the vehicle is being unlocked.
The locking function may be affected if you grasp the door handle
while the vehicle is being locked.
Once the doors have been locked, they cannot be opened again
immediately. This will enable you to check that the doors are prop-
erly closed.
The system will either unlock all the doors or one door only,
depending on the settings you have chosen on the sound system or
MMI* ⇒page 50.
WARNING
Do not leave anyone (especially children) in the car if it is locked
from the outside and the deadlock mechanism is activated: the
doors and windows cannot then be opened from the inside.
Locked doors could delay assistance in an emergency, potentially
putting lives at risk.
Note
Please note the following points if the vehicle is left parked for long
periods:•
To save electrical power, the proximity sensors are switched off
after a few days. You will then need to pull the door handle once to
unlock the vehicle, and a second time to open it.
•
To prevent the battery from becoming discharged and thus
maintain the vehicle's starting ability for as long as possible, the
power management system will gradually switch off convenience
functions that are not required. In this case you may not be able to
unlock the vehicle with this convenience function.
Locking and unlocking the vehicle using the key
If the central locking system should fail to work, you can
still lock and unlock the driver's door by turning the emer-
gency key or spare key in the lock.Unlocking
– Turn the key to position ⇒fig. 40 to unlock the
vehicle.
Fig. 40 Lock on
driver's door
AA
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Doors and windows49
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
Locking
– Move the selector lever to position P (automatic
gearbox).
–Turn the key once to position ⇒ to lock the vehicle.
– If you turn the key to position a second time within
2seconds, this will lock the vehicle without activating
the deadlock mechanism.In order to switch off the anti-theft alarm*, you must switch on the
ignition within 15 seconds after opening the driver's door. Other-
wise the alarm will be triggered.
If the central locking system should fail to work at any time, the
passenger's door can be locked manually ⇒page 51.
WARNING
Do not leave anyone (especially children) in the car if it is locked
from the outside and the deadlock mechanism is activated: the
doors and windows cannot then be opened from the inside.
Locked doors could delay assistance in an emergency, potentially
putting lives at risk.
Note
•
The central locking switch and the release button for the boot lid

will function after the ignition is switched on.
•
If the vehicle is locked with the key when the central locking
system is operational, it is only possible to unlock all the doors and
the boot lid centrally with the key within the next 45 seconds. After
this period, the key will only unlock the driver's door.
Central locking switch– Press the
 button to unlock the vehicle ⇒fig. 41.
– Press the  button to lock the vehicle ⇒.
Please note the following when you use the central locking switch
to lock your vehicle:•
The doors and the boot lid cannot be opened from the outside
(for safety reasons, when stopped at traffic lights, etc.).
•
The LED in the central locking switch lights up when both of the
doors and the boot lid are closed and locked.
•
You can open the doors individually from the inside by pulling
the inside door handle.
•
In the event of an accident in which the airbags inflate, doors
locked from the inside will be automatically unlocked to facilitate
access and assistance.
WARNING
•
The central locking switch is still operative when the ignition is
switched off and will automatically lock the entire vehicle when
pressed.
•
The central locking switch inside the vehicle is not operative if
you lock the vehicle from the outside.
ABAB
Fig. 41 Driver's door:
Central locking switch
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Doors and windows 50•
Locked doors could delay assistance in an emergency, poten-
tially putting lives at risk. Do not leave anyone (especially children)
in the vehicle.Note
The doors and the boot lid are locked automatically when the
vehicle reaches a speed of about 15 km/h (Auto Lock) ⇒page 42.
You can unlock the vehicle again via the central locking switch.Setting the central locking system
You can use the sound system or MMI* to select which
doors are unlocked by the central locking system.– Select: Function selector button > Central locking
> Unlocking single door.In the Unlocking single door menu you can specify which doors you
wish to have unlocked when you unlock the vehicle using the
remote control key or the advanced key*. If you switch the
Unlocking single door function on, only the driver's door will be
unlocked when you press the unlocking button on the remote
control key once.You can still unlock all doors and the luggage compartment. To do
so, press the unlock button twice on the remote control key.
When you lock the vehicle, the central locking system will automat-
ically lock all the doors and the boot lid together.
If you select “Locking boot lid/tailgate” on, you can no longer open
the luggage compartment using the handle on the boot lid
⇒page 52, fig. 46. In this case, you can open the boot lid using the

button on the remote control key ⇒page 47, fig. 38 or the unlock
switch on the driver's door ⇒page 51, fig. 45.
If you select “Retract mirrors” on, the exterior mirrors will be
retracted automatically ⇒page 70 when you press the lock button
 on the remote control key.Applies to vehicles: with anti-theft alarm systemDeactivating the interior monitor and tow-away protectionWhen the vehicle is locked, the alarm will be triggered if
movements are detected in the interior (e.g. by animals) or
if the vehicle's inclination is changed (e.g. during transport).
You can prevent the alarm from being triggered accidentally
by switching off the interior monitor and/or tow-away
protection.
WARNING (continued)
Fig. 42 Display:
Central locking menu
CAR
Fig. 43 Front end of
the driver's door:
Switches for interior
monitor and tow-away
protection
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Doors and windows51
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
Deactivating interior monitor
– Press switch ⇒page 50, fig. 43. The diode in the
switch will light up.
Deactivating tow-away protection
– Press switch . The diode in the switch will light up.The interior monitor and tow-away protection will be switched on
again automatically the next time the vehicle is locked.
WARNING
Do not leave anyone (especially children) in the car if it is locked
from the outside and the deadlock mechanism is activated: the
doors and windows cannot then be opened from the inside.
Locked doors could delay assistance in an emergency, potentially
putting lives at risk.Locking the doors manually if the central locking fails to work
If the central locking system should fail to work at any
time, each door will have to be locked separately.
A mechanical locking device (only visible when the doors
are open) is provided on the front passenger's door and the
rear doors.
– Take the emergency key out of the remote control key
⇒page 45.
– Pull the cap out of the opening ⇒fig. 44.
– Insert the key in the slot inside and turn it as far as the
stop to the right (if the door is on the right side) or to the
left (if the door is on the left side).Once the door has been closed it can no longer be opened from the
outside. The door can be opened from the inside by pulling the door
handle. If the child-proof catch is engaged on one of the rear doors,
the door can be opened by pulling the inside door handle once and
then opening the door from the outside.Boot lidOpening and closing the boot lid
AAAB
Fig. 44 Door: Locking
the door manually
Fig. 45 Driver's door:
Unlocking the boot lid
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Doors and windows 52
Opening boot lid
– Press the

button on the remote control key for at least
one second, or
– Pull the unlock switch

on the driver's door ⇒page 51,
fig. 45, or
– Press the release catch on the boot lid ⇒fig. 46.
– The boot lid is unlocked and opens automatically.
– Push the boot lid up slightly to secure it in the open posi-
tion.
Closing boot lid
– Pull down the boot lid by the handle on the inside and let
it drop into the latch ⇒.
WARNING
•
After closing the boot lid, always check that the catch has
engaged properly. The boot lid could otherwise open suddenly
when the vehicle is moving - this could result in an accident.
•
The boot lid must always be completely closed when the
vehicle is moving, otherwise toxic exhaust fumes can be drawn
into the interior.
Note
When the vehicle is locked, you can unlock the boot lid separately
by pressing the

button on the remote control key. The boot lid
will lock automatically when you close it again.
Manual release of the boot lid
The boot lid can be released manually from the inside.– Prise off the cover (using the emergency key) ⇒fig. 47.
– Press the sliding lever in the direction of the arrow to
unlock the boot lid.
Fig. 46 Release catch
on the boot lid
Fig. 47 Luggage
compartment: Access
to manual release
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Doors and windows53
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
Child-proof catchesChild-proof catches on the rear doors
The child-proof catches prevent the rear doors being
opened from the inside.The rear doors are equipped with child-proof catches. The
child-proof catches are only visible with the doors open.
Take the emergency key out of the remote control key
⇒page 45.
Engaging the child-proof catch
– Turn the key in the direction of the arrow ⇒fig. 48.
Disengaging the child-proof catch
– Turn the key in the opposite direction of the arrow.When the child-proof catch is engaged, the inside door handle will
not function, and the door can only be opened from the outside.
Electric windowsControls
The driver can operate all the electric windows.All electric windows have two-stage switches:
Opening the windows
– Press the switch as far as the first stop and hold it until
the window has moved to the desired position.
– Press the switch briefly to the second stop: the window
will automatically open all the way.
Closing the windows
– Pull the switch as far as the first stop and hold it until the
window has moved to the desired position.
–Pull the switch briefly to the second stop: the window will
automatically close all the way.Switches for electric windows
Driver's door
Front passenger's door
Fig. 48 Child-proof
catches on the rear
doors
Fig. 49 Detail of the
driver's door: Controls
AAAB
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Doors and windows 54
Rear door (left-side)*
Rear door (right-side)*
Safety switch
Child safety switch
When the safety switch ⇒page 53, fig. 49 is pressed in, the
symbol
 in the switch lights up. The window switches in the rear
doors are deactivated.
WARNING
•
Always take the key with you when leaving the vehicle - even if
you only intend to be gone for a short time. This is especially
important if children are left in the car. They might otherwise be
able to start the engine or use power-operated equipment such as
the electric windows - this could lead to injuries. The window
switches are only deactivated when the driver's door or the front
passenger's door is opened.
•
Always be careful when closing the windows. Careless use of
the electric windows can cause severe injuries.
•
When locking the vehicle from the outside, make sure that
nobody is inside the vehicle, as the windows cannot be opened
from the inside in an emergency.Note
The windows can be operated for about ten minutes after the igni-
tion has been switched off. The window switches are only deacti-
vated when the driver's door or the front passenger's door is
opened.
Convenience open/close function
The convenience open/close function allows you to open
and close the windows and the sun roof* with the remote
control key.You can select which windows are opened in the settings on
the sound system or MMI* ⇒page 55.
Convenience open function
– Press and hold the unlocking button
 on the remote
control key until the windows have reached the desired
position and the sun roof* is open.
Convenience close function
– Press and hold the locking button
 on the remote
control key until the windows and the sun roof* are
closed ⇒.
Convenience close function with advanced key*
– Touch and keep your hand in contact with the locking
sensor on the door handle until the windows and the sun
roof* are closed.
WARNING
•
Take care when closing the windows and the sun roof*. Care-
less or uncontrolled use can cause injuries.
•
For safety reasons, you should only use the remote control
open and close functions within about 2 metres of the vehicle. To
avoid injuries, always keep an eye on the windows when pressing
the button to close them. The windows and sun roof stop moving
as soon as the button is released.
ACADAS
AS
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Doors and windows 56
– You can set the roof to an intermediate position by
turning the switch to the desired position.The sun roof can be operated for about ten minutes after the igni-
tion has been switched off. The switch is deactivated immediately
when one of the front doors is opened.
Sliding sun blind with glass sun roof*
The sliding sun blind can be opened and closed manually in any
position. The sun blind opens automatically when you slide open
the sun roof. When the sun roof is raised to the tilt position, the rear
end of the sun blind is raised together with the sun roof.
WARNING
Take care when closing the sun roof. Careless or uncontrolled use
of the sun roof can cause injuries. For this reason, always take out
the ignition key when leaving the vehicle.
Caution
You should always close the sun roof when leaving the car. Sudden
rain could seriously damage your car's interior equipment, espe-
cially the on-board electronic systems.
Note
•
Should you not be able to close the tilted sun roof, pull and hold
the switch until the sun roof is closed.
•
Details on the convenience open/close function ⇒page 54.
Closing the sun roof manually– Open the compartment for (sun)glasses. The screw
⇒fig. 52 will then be visible.
– Remove the screw and detach the light unit.
– Insert the crank all the way into the hexagonal socket
⇒fig. 53 and turn. The sun roof will now close.
NoteTo make it easier to turn the crank, you can make use of the screw-
driver handle (tool kit).
Fig. 52 Detail of head-
liner: Unscrewing the
light housingFig. 53 Detail of head-
liner: Crank for manual
operation
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