light AUDI S5 2008 8T / 1.G Repair Manual
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Page 95 of 294
Downloaded from www.Manualslib.com manuals search engine Heating and cooling93
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
Note
The grille on the control console ⇒page 92, 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 95
Defrosting windows
⇒page 96
Heated rear window
⇒page 96
Switching air cooling
on/off
⇒page 96
Seat heating
⇒page 112
a)The rotary control is also used to adjust the blower speed, air distribution
and seat heating.Buttons
Function
Page
AC
OFFAUTOOFF
AUTO
AUTO
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Downloaded from www.Manualslib.com manuals search engine Heating and cooling 96
– Turn the rotary control to the desired setting.You can use the air distribution setting to select the air outlets you
wish to activate. In setting
all the air is directed to the windows,
in setting
the air is directed to the driver (or passenger), and in
setting
to the footwells. In addition to this there are several other
possible combinations, allowing you to adjust the air distribution to
suit individual requirements.
Switch to for automatic control of the air distribution.
The air distribution setting will be shown on the MMI display
⇒page 95, fig. 109 for a few seconds if the MMI is switched on.
Applies to vehicles: with deluxe automatic air conditionerDefrosting
The windscreen and side windows are defrosted or
demisted as quickly as possible.– To switch on, press the button.
– To switch off, press the button again, or press the
button.The temperature is regulated automatically. The air output is
increased to maximum and most of the air comes out of the outlets
below the windscreen.
The air recirculation mode is switched off when the button is
pressed.Applies to vehicles: with deluxe automatic air conditionerHeated rear window
The rear window heating helps to demist the rear window.– Press the
b u t t o n t o s w i t c h t h e r e a r w i n d o w h e a t i n g o n
and off.
The rear window heating only works when the engine is running. An
indicator lamp in the button lights up when the rear window heater
is switched on.
Depending on the outside temperature, the rear window heating
switches off automatically after about 10 to 20 minutes.
The rear window heating can be switched on permanently by
pressing the
button for longer than two seconds. It will then
remain on until the ignition is switched off. When the rear window
heating is switched on, this setting will remain activated for 15
minutes after switching off the ignition.
If the engine is started again during this period of 15 minutes, the
rear window heating will be switched on for about 10 to 20 minutes,
depending on the exterior temperature. This means you do not have
to manually switch on the rear window heating again if the vehicle
has only been parked for a short time.
For the sake of the environment
Switch off the heated rear window manually as soon as the rear
window is clear. By saving electrical power you can also save fuel.Applies to vehicles: with deluxe automatic air conditionerAC mode Deactivating the AC mode
– Press the button.
Activating the AC mode
– Press the button again.In the AC mode, the air cooling system is switched on and the
heating and ventilation are regulated automatically.
AUTO
AUTO
ACACAC
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Page 99 of 294
Downloaded from www.Manualslib.com manuals search engine Heating and cooling97
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
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. Outlets to
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
A1
A4
A2
A3
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Downloaded from www.Manualslib.com manuals search engine Heating and cooling 98adequate cooling effect, you should not close these outlets
completely.Applies to vehicles: with deluxe automatic air conditionerEconomical operation of the air conditioner
Economical operation of the air conditioner will help to
save fuel.When the air conditioner is operating in the cooling mode it
reduces engine power and increases fuel consumption. To
ensure that the cooling mode is activated only when really
necessary, please note the following points:
– Switch off the cooling mode by pressing the AC button
(LED off) if you wish to save fuel.
– You should also switch off the cooling mode by pressing
the AC button (LED off) if you open the windows or the
tilting panorama roof* while driving.
– If the vehicle has heated up after standing in the sun,
open the windows and doors for a short time to cool the
vehicle.
For the sake of the environmentBy saving fuel you also reduce the amount of pollutants emitted
from your vehicle.
Deluxe automatic air conditioner -
basic settingsApplies to vehicles: with deluxe automatic air conditionerGeneral notes
You can change the basic settings for the air conditioner
on the MMI* or on the sound system control console.– Press the function selector button marked .
– Press the control button for AC ⇒fig. 111
2).
2)The display for the MMI basic differs slightly.
Fig. 111 MMI display:
AC menu optionFig. 112 MMI display:
Setup AC
CAR
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Page 101 of 294
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Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
– Select the desired air conditioner settings using the
rotary pushbutton ⇒page 98, fig. 112.The following functions are available:•
Auxiliary heating* ⇒page 108
•
Auxiliary ventilation* ⇒page 108
•
Running time* ⇒page 111
•
Timer status* ⇒page 110
•
Timer 1* ⇒page 110
•
Timer 2* ⇒page 110
•
Timer 3* ⇒page 110
Deluxe automatic air conditioner plusApplies to vehicles: with deluxe automatic air conditioner plusDescription
The air conditioner is designed to keep the passenger
compartment at the temperature you find most comfort-
able at all times of the year.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 101.
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 combined particle filter and activated charcoal
filter) serves as a barrier against impurities in the outside air,
including dust and pollen, and against unpleasant smells. 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.
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Page 102 of 294
Downloaded from www.Manualslib.com manuals search engine Heating and cooling 100Power 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 192. 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
and lead to an accident. Please familiarise yourself with the oper-
ating controls for the air conditioner, including the demist/defrost
functions for the windows.
Caution
•
If you suspect that the air conditioner is damaged, switch it off
to prevent further damage and have the system checked by a quali-
fied workshop.
•
Repairs to the air conditioning system require specialist knowl-
edge and special tools. For this reason, please contact a qualified
workshop if the system is not working properly.Note
•
Keep the air intake slots in front of the windscreen clear of snow,
ice and leaves to ensure unimpaired heating and cooling, and to
prevent the windows misting over.
•
The air from the outlets flows through the passenger compart-
ment and out through the slots at the rear of the vehicle. Do not
cover these slots with clothing or other objects.
•
The air conditioner operates most effectively with the windows
and the tilting panorama roof* closed. However, if the vehicle has
heated up after standing in the sun for some time, the air inside can
be cooled more quickly by opening the windows for a short time.
Applies to vehicles: with deluxe automatic air conditioner plusControls
The controls for the air conditioner at a glance.Fig. 113 Air conditioner controlsThe left-hand display shows the temperature selected for the left-
hand side, the right-hand display the temperature for the right-hand
side.
The functions can be switched on and off by turning the controls or
briefly pressing the buttons. The LEDs in the buttons light up when
the function is switched on.
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Page 103 of 294
Downloaded from www.Manualslib.com manuals search engine Heating and cooling101
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
Note
•
The grille on the control console ⇒page 100, fig. 113 must be
kept free. Please ensure that it is not covered by stickers or similar.
Measuring sensors are located behind it.
Applies to vehicles: with deluxe automatic air conditioner plusSwitching on and off Switching on air conditioner
– Press the button briefly, or
– Press the button.
Switching off air conditioner
– Press the button for at least 2 seconds to switch off
the air conditioner and cut off the supply of fresh air from
outside the vehicle. The display will show “OFF”.The air conditioner will switch on again if you operate the tempera-
ture control.
Note
You can press the button when the ignition is switched off to
activate the "residual heat" function. The system will then heat the
interior using the remaining heat in the engine coolant.Applies to vehicles: with deluxe automatic air conditioner plusAutomatic 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
Buttons
Function
Page
Switching on and off
⇒page 101
Automatic mode - drivers
side/
front passengers side
⇒page 101
Temperature con-
trol 1
a)
Temperature con-
trol 2a)
a)The rotary control is also used to adjust the blower speed, air distribution
and seat heating.
Temperature selection -
drivers side
Temperature selection -
front passengers side
⇒page 102
Blower - driver's side/
front passenger's side
⇒page 102
b)
b)The symbol differs slightly on some models.
Air recirculation mode
⇒page 103
Air distribution - drivers
side/
front passengers side
⇒page 104
Defrosting windows
⇒page 104
Heated rear window
⇒page 104
Switching air cooling
on/off
⇒page 105
Seat heating
⇒page 112
OFFAUTOAC
OFFAUTOOFF
OFF
AUTO
AUTO
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Page 104 of 294
Downloaded from www.Manualslib.com manuals search engine Heating and cooling 102interior 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.Applies to vehicles: with deluxe automatic air conditioner plusTemperature selection
Separate temperatures can be selected for the driver's
and front passenger's sides.
– Turn the rotary control anti-clockwise to reduce the
temperature or clockwise to increase the temperature
⇒fig. 114.The temperature setting will be shown on the display of the air
conditioner console. The temperature setting will be shown on the
MMI display ⇒fig. 115 for a few seconds if the MMI is switched
on.Applies to vehicles: with deluxe automatic air conditioner plusBlower
The automatically selected blower speed can be reduced
or increased manually if required.
Fig. 114 Rotary control
for temperature selec-
tion
Fig. 115 MMI display:
Te m p e r a t u r e s e t t i n g
Fig. 116 Blower
button and rotary
control
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Downloaded from www.Manualslib.com manuals search engine Heating and cooling 104Applies to vehicles: with deluxe automatic air conditioner plusAir 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.You can use the air distribution setting to select the air outlets you
wish to activate. In setting
all the air is directed to the windows,
in setting
the air is directed to the driver (or passenger), and in
setting
to the footwells. In addition to this there are several other
possible combinations, allowing you to adjust the air distribution to
suit individual requirements.Switch to for automatic control of the air distribution.
The air distribution setting will be shown on the MMI display
⇒fig. 119 for a few seconds if the MMI is switched on.
Applies to vehicles: with deluxe automatic air conditioner plusDefrosting
The windscreen and side windows are defrosted or
demisted as quickly as possible.– To switch on, press the button.
– To switch off, press the button again, or press the
button.The temperature is regulated automatically. The air output is
increased to maximum and most of the air comes out of the outlets
below the windscreen.
The air recirculation mode is switched off when the button is
pressed.Applies to vehicles: with deluxe automatic air conditioner plusHeated rear window
The rear window heating helps to demist the rear window.– Press the
b u t t o n t o s w i t c h t h e r e a r w i n d o w h e a t i n g o n
and off.
The rear window heating only works when the engine is running. An
indicator lamp in the button lights up when the rear window heater
is switched on.
Depending on the outside temperature, the rear window heating
switches off automatically after about 10 to 20 minutes.
The rear window heating can be switched on permanently by
pressing the
button for longer than two seconds. It will then
Fig. 118 Air distribu-
tion button and rotary
controlFig. 119 MMI display:
Air distribution
AUTO
AUTO
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Controls
Safety
Driving tips
General maintenance
Self-help
Technical data remain on until the ignition is switched off. When the rear window
heating is switched on, this setting will remain activated for 15
minutes after switching off the ignition.
If the engine is started again during this period of 15 minutes, the
rear window heating will be switched on for about 10 to 20 minutes,
depending on the exterior temperature. This means you do not have
to manually switch on the rear window heating again if the vehicle
has only been parked for a short time.
For the sake of the environment
Switch off the heated rear window manually as soon as the rear
window is clear. By saving electrical power you can also save fuel.Applies to vehicles: with deluxe automatic air conditioner plusAC mode Deactivating the AC mode
– Press the button.
Activating the AC mode
– Press the button again.In the AC mode, the air cooling system is switched on and the
heating and ventilation are regulated automatically.
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 conditioner plusAir outlets
The air distribution setting directs the air to the outlets
you select.Fig. 120 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. Outlets to
can provide air which is either heated, unheated, or cooled.
ACACAC
A2
A3
A1
A4
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