technical data AUDI A4 2008 B8 / 4.G Service Manual

Seats and storage81
Controls
Safety
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Technical data
– To open the storage compartment, pull the handle
⇒page 80, fig. 86.DVD player for navigation system*
The DVD player for the navigation system is located in this storage
compartment ⇒fig. 87 in the luggage compartment. For more
information, please refer to the Infotainment/MMI Operating
Manual.Extending the luggage compartment
The two sections of the backrest can be folded forwards
either together or separately to increase the capacity of
the luggage compartment.
Folding down backrest
– Press the release lever ⇒fig. 88 in the direction indi-
cated (arrow).
– Fold down the backrest.
Returning backrest to an upright position
– Push the backrest up until it engages securely ⇒. The
red marking on the tab should no longer be visible
when the backrest is properly secured.When the backrest is properly engaged in its upright position, it can
be locked and unlocked with the key ⇒fig. 89. This prevents unau-
thorised access to the luggage compartment from inside the
vehicle.
WARNING
•
Make sure that the rear backrest is securely locked in position
so that the seat belt can provide proper protection on the centre
rear seat.
•
The rear backrest must always be securely latched so that
objects stored in the luggage compartment will not fly forward
during sudden braking.
Fig. 87 Luggage
compartment: DVD
player for navigation
systemFig. 88 Backrest
release lever
Fig. 89 Locking the
backrest
AAAB
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Seats and storage83
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Technical data
– Open the boot lid.
– Open out the ski bag and fill it with the items you wish to
transport.
– Push the ski bag from the luggage compartment into the
passenger compartment through the opening in the
backrest ⇒.
Securing
– Insert the fastening belt ⇒page 82, fig. 91 of the ski
bag into the centre seat belt buckle .
– Pull the free end of belt to tighten.
Storage
– Pull the ski bag towards the rear through the opening in
the backrest.
– Close the cover of the load-through hatch in the
passenger compartment.
–Fold up the ski bag.
WARNING
The ski bag must be secured in place with the fastening belt after
it has been loaded.
Note
Allow the ski bag to dry before folding it up.
Roof carrierApplies to vehicles: with roof carrier: Under development at the time of printDescription
Additional loads can be transported using the roof carrier.Note the following points if you intend to carry loads on the roof:•
The rain channels are moulded into the roof as part of the aero-
dynamic roof design. It is therefore not possible to mount conven-
tional roof luggage racks. We recommend using the carrier units
from the range of Audi Genuine accessories.
•
These carrier units form the basic elements of a complete roof
carrier system. Special fixtures must then be added in order to
safely transport luggage, bicycles, skis, surf boards or boats on the
roof. All the elements of this system are available from Audi dealers.Caution
Any damage to the vehicle caused by the use of other types of roof
rack or incorrect installation will not be covered by the factory
warranty. The roof carrier system must therefore be installed exactly
according to the instructions provided.
AA
AB
AC
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Seats and storage85
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Technical data
Cup holdersFront cup holder
– Two drinks can be placed in this cup holder ⇒fig. 93.
Opening rear cup holder
– Press the symbol
 ⇒fig. 94.
Placing drinks in rear cup holder
– To adjust the arm of the cup holder , move it in the
direction indicated by the arrow.– Position the cup in the holder and let go of the arm. The
arm will move back automatically to secure the cup.
Closing cup holder
– Press the middle piece between the two arms and push
the cup holder back into the shaft as far as it will go.
The retainer arm should be positioned against the drinks container
so that it is held securely.
One or two drink containers can be held in the centre armrest.
WARNING
•
Do not put any hot drinks in the cup holders while the vehicle
is moving. You could be scalded if the hot liquid is spilt.
•
Do not use hard china cups or glasses. These could cause injury
in the event of an accident.Caution
You should avoid putting open drinks containers in the cup holders.
The drinks could otherwise spill over and cause damage to e.g. the
electrical equipment or the seat covers.
Fig. 93 Centre console:
Front cup holderFig. 94 Cup holder in
rear armrest
AA
AB
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Seats and storage87
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Technical data
Cigarette lighter and electrical
socketsCigarette lighterUsing cigarette lighter
– Open the cover of the front ashtray.
– Press in the cigarette lighter knob.
– Wait for the lighter to spring out.
– Pull out the cigarette lighter immediately.
– Use the glowing heater element of the cigarette lighter to
light your cigarette.
– Put the cigarette lighter back in its socket.
Operating electrical socket
– Take out the cigarette lighter.
– Insert the plug of the electrical appliance into the ciga-
rette lighter socket.
The cigarette lighter employs a standard 12 Volt socket which can
also be used as a power source for electrical appliances. The appli-
ances connected to the socket must not exceed a power rating of
100 W.
The cigarette lighter only works when the ignition is on.
WARNING
•
Take care when using the cigarette lighter. Carelessness or
negligence when using the cigarette lighter can cause burns.
•
The electrical sockets and any appliances connected to them
will operate only when the ignition is switched on. Improper use
of the electrical sockets or the appliances connected to them can
cause injuries or fire. To avoid the risk of injury, never leave chil-
dren unsupervised in the vehicle with the key.Caution
•
Always use the correct type of plugs to avoid damaging the
sockets.
•
The cigarette lighter socket should only be used for a short
period of time as a power source for electrical equipment. Please
use the electrical sockets* ⇒page 88 in the vehicle when
connecting equipment for longer periods.Note
Using electrical appliances with the engine switched off will drain
the battery.
Fig. 97 Front ashtray
(open)
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Seats and storage89
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Technical data
Applies to vehicles: with 230 Volt Euro socketOn-board 230 Volt Euro socketElectrical equipment can be connected to the 230 Volt
Euro socket in the rear centre console.The 230 Volt Euro socket can only be used when the ignition
is on ⇒.
– Fold up the lid to access the socket.
– Plug the Euro connector into the socket. This will auto-
matically release the child safety device.LED in electrical socket
Appliances suitable for connection
Electrical equipment with a Euro plug connector can be connected
to the 230 Volt Euro socket. The appliances connected to the
230 Volt Euro socket must not exceed a power rating of 150 W
(300 W peak power).If you connect more than one appliance, the total power rating of all
appliances must not exceed 150 W. If necessary, check the type
plates on the connected appliances for details of the power ratings.
Connected appliances must be in perfect condition and free of
defects.
WARNING
•
Heavy appliances or plugs (such as power supply units) can
damage the mounting of the 230 Volt Euro socket if they are
suspended directly from the socket – Risk of injury!
•
Make sure that all connected appliances are securely stowed
when driving to prevent them from being catapulted through the
car under braking or in an accident – Danger to life!
•
Never spill liquid over the socket – Danger to life! If the socket
does get wet, ensure that it is absolutely dry before using it again.
•
Improper use of the electrical socket or appliances connected
to it can cause injuries or fire – Risk of injury!
•
Never leave children unattended in the vehicle while the engine
is running – Risk of injury!
•
Connected appliances behave differently than when they are
connected to the public electricity grid. As a result, the connected
appliances may become hot during operation – Risk of injury!
•
When using adapters or extension cables, please remember
that the child safety device on the 230 Volt Euro socket is deacti-
vated and the socket is live – Risk of injury!
•
Do not insert conductive materials, such as knitting needles,
into the contacts of the 230 Volt Euro socket – Danger to life!
•
Switch off the connected electrical appliances if the inverter
trips out due to overheating – Risk of injury!Caution
•
Please observe the operating instructions for the connected
appliances.
Steady green light:
The socket is ready for use.
Flashing red light:
The socket has tripped out due
to a power surge, overheating or
similar
Fig. 100 Rear centre
console: 230 Volt Euro
socket
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Seats and storage91
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Technical data
Opening glove box
– Pull the catch on the lid in the direction indicated (arrow)
⇒page 90, fig. 101 and open the lid.
Closing glove box
– Close the lid and push it in until it engages.The glove box lid has separate holders for a pen and a note pad.
On the right-hand side of the glove box there is a holder with a key
shell. In order to start the engine with the spare key, it has to be
clipped into this shell.
WARNING
To avoid the risk of injuries, always keep the glove box lid closed
when driving.Compartment for (sun)glasses in headliner– To open the cover, lightly press the panel ⇒fig. 102
(arrow). The cover will then open by itself.
– To close the cover, push it upwards until it engages.
WARNING
Always keep the compartment cover closed while the vehicle is in
motion to reduce the risk of injury during a sudden braking
manoeuvre or in the event of an accident.Coat hooks
The coat hooks are located on the rear side of the B-pillars
(in the rear passenger compartment).
WARNING
•
Please make sure that any items of clothing hanging from the
coat hooks do not obstruct your view to the rear.
•
Only use the coat hooks for light items of clothing and make
sure that there are no heavy or sharp objects in the pockets.
•
Do not use clothes hangers to hang up the clothing, as this
could interfere with the function of the head-protection
airbags*.
Applies to vehicles: with storage compartments in the front seatsStorage compartments in front seats
There is a fold-out drawer in the front part of each front
seat.Opening
– Pull the handle to open the compartment.
Closing
– Close the lid and push it in until it engages.
Fig. 102 Compartment
for (sun)glasses in
headliner
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Heating and cooling93
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Technical data
Heating and coolingDeluxe automatic air conditionerApplies to vehicles: with deluxe automatic air conditionerDescription
The air conditioner can be used to set a comfortable inte-
rior temperature in the vehicle.The air conditioner provides heating and ventilation and also cools
and dehumidifies the air inside the vehicle.
The air conditioner is fully automatic and will maintain the desired
temperature at a constant level. To achieve this, the temperature of
the air supplied to the interior, the blower speed (volume of air
delivery) and the air distribution are regulated automatically. The
system also allows for the effect of strong sunlight, so there is no
need for manual adjustment. For these reasons it is advisable to use
the automatic mode for the comfort of all the passengers in virtually
all conditions throughout the year ⇒page 95.
Please note:
The humidity of the air is automatically reduced when the system
cools the interior of the vehicle. This helps to prevent condensation
on the windows.
If the humidity and temperature outside the vehicle are high,
condensation can drip off the evaporator in the air cooling system
and form a pool underneath the vehicle. This is normal and does not
indicate a leak.
If the outside temperature is low, the blower normally only switches
to a higher speed once the coolant has warmed up sufficiently (this
does not apply to the defrost setting).
In order to achieve maximum engine power, the air conditioner
compressor is temporarily switched off when pulling away from a
standstill with full throttle.The compressor also switches off if the coolant temperature is
excessively high, to ensure adequate engine cooling under extreme
loads.
Pollution filter
The pollution filter (a particle filter) serves as a barrier against impu-
rities in the outside air, including dust and pollen, and odours. The
air is also filtered when the air recirculation mode is activated.
For the air conditioner to work with maximum efficiency, the pollu-
tion filter element must be replaced at the intervals specified in the
Service Schedule.
If the vehicle is driven in areas with a high level of air pollution and
the filter is no longer fully effective, it may be necessary to change
the filter element more frequently.
Key-coded settings
The currently selected air conditioner settings are automatically
stored and assigned to the remote control key.
Power management
To prevent the battery from becoming discharged and to maintain
the necessary power level, the system will temporarily shut off the
electrical components that are using a lot of power, or reduce the
current they are consuming ⇒page 226. Heating systems in partic-
ular use a large amount of electrical power. If you notice, for
instance, that the rear window heater is not working, it may have
been temporarily switched off by the power management function,
or regulated to a lower heat output. These systems will be available
again as soon as sufficient electrical power is available.
WARNING
For safety reasons it is important that all the windows are kept
free of ice, snow and condensation. These can cause poor visibility
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Note
The grille on the control console ⇒page 94, fig. 103 must be kept
free. Please ensure that it is not covered by stickers or similar. Meas-
uring sensors are located behind it.Applies to vehicles: with deluxe automatic air conditionerSwitching on and offSwitching on air conditioner
– Press the button briefly, or
– Press the button.
Switching off air conditioner
– Press the button to switch off the air conditioner
and cut off the supply of fresh air from outside the
vehicle.The air conditioner will switch on again if one of the control buttons
is pressed.
Applies to vehicles: with deluxe automatic air conditionerAutomatic mode
The standard operating mode for all seasons.Switching on automatic mode
– Select a temperature between +16 °C (60 °F) and +28 °C
(84 °F).
– Press the button.The automatic mode maintains a constant temperature inside the
vehicle and dehumidifies the air. Air temperature, air delivery and
air distribution are regulated automatically to reach the desired
interior temperature as quickly as possible, and then to maintain
this temperature. The system automatically compensates for any
variations in the outside temperature and for the effect of direct
sunlight.
The automatic temperature regulation only operates at temperature
settings between +16 °C and +28 °C. If a temperature below +16 °C
is selected, LO appears on the display. If a temperature above +28 °C
is selected, the display will show HI. In the two extreme settings the
air conditioner operates continuously with maximum cooling or
heating output, and the temperature is not regulated
automatically.

Air distribution
⇒page 97
Defrosting windows
⇒page 98
Heated rear window
⇒page 98
Switching air cooling
on/off
⇒page 98
Seat heating
⇒page 114
a)The rotary control is also used to adjust the blower speed, air distribution
and seat heating.Button(s)
Function
Page
AC
OFFAUTOOFF
AUTO
AUTO
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Technical data The blower speed will be shown on the screen ⇒page 96, fig. 107
for a few seconds if the sound system or MMI* is switched on.
Note
•
The blower speed may change automatically. This ensures that
the selected temperature is reached as quickly as possible.
•
The blower speed cannot be regulated separately for the driver
and front passenger sides of the vehicle.
Applies to vehicles: with deluxe automatic air conditionerAir recirculation mode
The air recirculation setting prevents fumes etc. from
entering the interior.Switching on the air recirculation mode
– Press the button ⇒.
Switching off the air recirculation mode
– Press the button again, or
– Press the button, or
– Press the button.In this setting, the air is drawn from the interior of the vehicle,
filtered and continuously recirculated. We recommend using the air
recirculation mode in the following circumstances:
When driving through a tunnel or in queues of traffic, to prevent
fumes entering the interior of the vehicle.
WARNING
For reasons of safety you should not leave the air recirculation
switched on for too long. This mode prevents fresh air from entering the vehicle, so the windows can mist over if the air
cooling is switched off. Bad visibility can cause an accident.
Applies to vehicles: with deluxe automatic air conditioner Air distribution

The automatically programmed air distribution can be
altered manually if required.– Press the button for Distribution

.
– Turn the rotary control to the desired setting.

AUTO
WARNING (continued)
Fig. 108 Air distribu-
tion button and rotary
controlFig. 109 Display: Air
distribution
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Note
If the LED in the AC button should continue to light up when the AC
mode has been switched off (i.e. the air conditioner has been
switched off) this is due to a defect in one of the air conditioner
components. If a malfunction should occur, please contact a quali-
fied workshop.Applies to vehicles: with deluxe automatic air conditionerAir outlets
The air distribution setting directs the air to the outlets
you select.Fig. 110 Dashboard: Location of air outletsAir outlets and
– The outlets can be opened and closed by turning the
thumbwheels next to them.– The direction of air delivery from these outlets can be
adjusted horizontally and vertically using the adjuster in
the centre of each outlet grille.
The flow of air from the outlets is controlled either automatically or
manually, depending on the operating mode selected. All the
outlets can provide air which is either heated, unheated, or cooled.
Note
When the air conditioner is operating in the cooling mode, the air is
directed mainly to outlets and . To ensure an adequate cooling
effect, you should not close these outlets completely.Applies to vehicles: with deluxe automatic air conditionerAir outlets for rear passengers
The air outlets for the rear cabin are located in the centre
console.– The outlets can be opened and closed by turning the
thumbwheels.
– The direction of air delivery from these outlets can be
adjusted horizontally and vertically using the adjuster in
the centre of each outlet grille.The flow of air from the outlets is controlled either automatically or
manually, depending on the operating mode selected. All the
outlets can provide air which is either heated, unheated, or cooled.
The heater outlets for the rear footwells are located under the front
seats.
Note
When the air conditioner is operating in the cooling mode the air is
directed mainly to the outlets in the centre console. To ensure an
A2
A3
A2
A3
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