2008 AUDI A5 COUPE heating

Heating and cooling
110
– Select the desired air conditioner settings using the rotary pushbutton ⇒page 109, fig. 125.The following functions are available:•
Automatic air recirculation ⇒page 110
•
Synchronisation ⇒page 110
•
Auxiliary heating* ⇒ page 111
•
Auxiliary ventilation* ⇒page 111
•
Running time* ⇒page 113
•
Timer status* ⇒page 112
•
Timer 1* ⇒ page 112
•
Timer 2* ⇒page 112
•
Timer 3* ⇒page 112
•
Supplementary heater* ⇒page 110
Applies to vehicles: with deluxe automatic air conditioner plusAutomatic recirculation
If the outside air is polluted, an air purity sensor in the
vehicle will automatically switch on the air recirculation.To prevent fumes, etc. in the outside air from entering the interior,
we recommend that the automatic air recirculation should be
switched on at all times.
If the air purity sensor in the air conditioner system detects a certain
concentration of fumes in the outside air, the control unit will either
pass the incoming air through the pollution filter or automatically
switch on the air recirc ulation. If there is a high concentration of
pollution in the outside air, the air conditioner automatically
switches to air recirculation and cuts off the supply of air from the
outside. As soon as the level of pollution decreases, air is fed into
the vehicle from the outside again.
If the windows mist up when the automatic air recirculation is on,
press the
 button immediately. The automatic air recirculation can switch itself off in certain condi-
tions. If the outside temperature is
less than about +10 °C, the auto-
matic air recirculation will only operate for 30 seconds. If the air
conditioner is switched to the ECON mode, or if the outside temper-
ature is less than about -1 °C, the automatic air recirculation will
only operate for 15 seconds.
Applies to vehicles: with deluxe automatic air conditioner plusSynchronisation
The air conditioner settings can be synchronised for all
passengers.When the synchronisation function is on, the driver's settings are
also applied to the front passenge r or vice versa. Any subsequent
changes to the air conditioner setti ngs (except for the seat heating*)
are also applied to the other occupant.
You can still change the setting on the “synchronised” side (this will
deactivate the synchronisation function).Applies to vehicles: with diesel engineSupplementary heater– Set the Supplementary heater to auto or off .Models with a diesel engine are equipped with a supplementary
heater to help warm up the interior more quickly. At outside temper-
atures below about +5 °C the supp lementary heater is switched on
(and off) automatically when the engine is running, depending on
the coolant temperature, the temperat ure in the vehicle interior and
the temperature the heater is set to.
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Heating and cooling111
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
Auxiliary heating and auxiliary
ventilationApplies to vehicles: with auxiliary heating - under development at the time of printingDescription
The auxiliary heating and ventilation systems heat and
cool the interior independently of the engine.The auxiliary heating
 works in conjunction with the air condi-
tioner system, but does not rely on heat from the engine. Instead of
this, the system burns fuel. The system's main function is to warm
up the interior of the vehicle and to defrost the windows in cold
weather.
The auxiliary heating system can be used both when the vehicle is
stationary and when driving (to provide extra heat while the engine
is warming up).
The auxiliary ventilation  also operates independently of the
engine. This feature can be used to cool the interior with the blower
when the vehicle is left parked in the sun.
The system will automatically activate either the auxiliary heating or
the auxiliary ventilation mode, de pending on the actual tempera-
ture measured inside the car and the temperature you have set with
the air conditioner controls. It is possible to alter the temperature
setting while the auxiliary he ating/ventilation is running.
Switching on and off
There are two different ways of switching on the auxiliary
heating/ventilation system.
•
Immediate start: You can switch the auxiliary heating/ventilation
on and off at any time in the MMI Car menu ⇒page 112 . You can
also switch the system on and off using the remote control
⇒ page 114 .
•
Switching on via timer: You can programme various start times
using the timers ⇒ page 112. However you must first activate the timer before the auxiliary heating/ve
ntilation system will switch on
automatically.
The auxiliary heating/ventilation will switch itself off at the end of
the programmed running time. The running time can be set to 15,
30, 45 or 60 minutes ⇒page 113 .
WARNING
•
The auxiliary heating must no t be allowed to run when the
vehicle is in a confined space because it can give off toxic fumes.
•
To avoid any possible fire risk, never have the auxiliary heating
switched on when refuelling the vehicle.
•
Because of the high temperatur es which occur when the auxil-
iary heating is running, make sure when parking the car that the
exhaust outlet under the car is no t obstructed in any way and that
the exhaust gases do not come in to contact with flammable mate-
rials (fire risk).Note
•
It is advisable to open the air outlets when using the auxiliary
heating/ventilation.
•
The auxiliary heating/ventilation will not switch on if the fuel in
the tank has reached the reserve zone.
•
The auxiliary heating/ventilation wi ll not switch on if the battery
charge level is low.
•
The symbols
 (auxiliary ventilation) or
 (auxiliary heating)
flash in the instrument cluster ne xt to the clock display when the
auxiliary heating/ventilation is switched on. Both symbols light
continuously when the timer is activated.
•
At low outside temperatures some visible water vapour may
form in the engine compartment. This is a normal phenomenon,
and no reason for concern.
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Heating and cooling
112Applies to vehicles: with auxiliary heating - under development at the time of printingSwitching on/off immediatelySwitching on immediately
– Press the button.
– Press the control button for AC.
–Set Aux. heating or Aux. ventilation to on.
Switching off immediately
– Press the button.
– Press the control button for AC.
–Set Aux. heating or Aux. ventilation to off.When the auxiliary heating/ventilat ion is running, you can press the
button on the air conditioner co nsole to switch off the blower
only. Pressing the button a second time will switch on the
blower again.
Note
The symbols
 (auxiliary ventilation) or
 (auxiliary heating) flash in
the instrument cluster next to th e clock display when the auxiliary
heating/ventilation is switched on.
Applies to vehicles: with auxiliary heating - under development at the time of printingSetting the timers
The timers need to be activated before they will switch on
the auxiliary heating/ventilation.Setting the timers
– Press the button.
– Press the control button for AC.
– Select the timer you wish to set, and enter the required
time and date ⇒fig. 127.
– Then press the rotary control to confirm the time and date settings.
Fig. 126 MMI display:
Setup AC
CARCAR
OFF
OFF
Fig. 127 MMI display:
TimerFig. 128 MMI display:
Timer status
CAR
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Heating and cooling113
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
Activating a timer
– Press the button.
– Press the control button for AC.
– Select the Timer status and then select the timer you
want to start first.Three timers are available. This allows you to pre-set different
starting times and running times for the auxiliary heating/ ventila-
tion.
When the time set on one of the ti mers elapses, the date automati-
cally changes to the next day and the timer status is reset to off.
Each timer first has to be activated before it will switch on the auxil-
iary heating/ventilation at the time you have set.
The timers are not activated automa tically. This prevents the auxil-
iary heating/ventilation from switching on repeatedly when the
vehicle is not being used.
Note
Before activating the ti mer, make sure that the correct time and date
settings have been ente red. If the time and/or date are not correct,
the auxiliary heating will come on late or not at all. Please refer to
the MMI Operating Instructions fo r information on how to set the
date and time.
Applies to vehicles: with auxiliary heating - under development at the time of printingSetting the running time– Press the button.
– Press the control button for AC.
– Select Running time and then choose the time.The running time for the auxiliary heating/ventilation can be set to
a time between 15 and 60 minutes. The auxiliary heating/ventilation
will switch itself off at the end of the programmed running time.
CAR
Fig. 129 MMI display:
Running time
CAR
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Heating and cooling
114Applies to vehicles: with auxiliary heating - under development at the time of printingRemote control
The auxiliary heating and auxiliary ventilation can also be
switched on or off with the remote control.Switching on
– Press the button for about 2 seconds to activate the
auxiliary heating/ventilation ⇒fig. 130.
Switching off
– Press the button for about 2 seconds to switch off the auxiliary heating/ventilation. Changing the battery
– Push back and remove the battery cover on the remote
control ⇒fig. 131.
– Change the battery. The diagram in the battery compart- ment shows how the battery should be fitted. The new
battery must be of the same type as the old battery.
– Re-fit the battery cover.
When it is switched on, the auxili ary heating or auxiliary ventilation
starts immediately and remains on for the period set in the menu.
The maximum running time is 60 minutes.
If you want to switch the system on again after the end of the
programmed running time, press the button .
Transmitter indicator lamp
The transmitter indicator lamp will flash accordingly to show
whether the command you sent via the remote control was
successful.
When you switch the system on by pressing the button the
indicator lamp will flash green for about 30 seconds to confirm that
the heating/ ventilation has been switched on. When you switch the
system off by pressing the button the indicator lamp will
flash red to confirm that the heatin g/ ventilation has been switched
off.
If the remote control is outside th e transmitting range the indicator
lamp will flash red slowly. If there is a fault in the system (e.g. fuel
level is down to reserve), the indicator lamp will flash red rapidly. In
both cases the command will not be executed.
When the remote control battery is almost completely flat, the
transmitter indicator lamp will not light up and no commands will
be executed.
Fig. 130 Remote
control for auxiliary
heatingFig. 131 Remote
control: Changing
battery

A1
OFF
A2

A1
A3

A1
OFF
A2
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Heating and cooling115
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
Transmitting range
The range of the remote control transmitter is about 600 metres.
However, this can be greatly reduced by obstacles (buildings, etc.)
between the remote control transmi
tter and the vehicle. Hold the
aerial upright when us ing the remote control.
You should not normally use the remote control at a distance of less
than 3 metres from the ve hicle. If you are closer than this, or if you
use the remote control inside the vehicle, this can cause signal over-
load.
For the sake of the environment
Please dispose of old batteries in the proper manner so that they do
not harm the environment.Seat heatingApplies to vehicles: with front seat heatingSeat heating for front seats
The seat cushions and backrests of the front seats can be
heated electrically.– Press the button for the seat heating . – Turn the rotary control to the desired setting.
In setting 0 the seat heating is switched off. Possible settings range
from 1 to 6.
The seat heating setting will
be shown on the MMI display
⇒ fig. 132 for a few seconds if the MMI is switched on.
Caution
To avoid damaging the heating elements of the seat heating, please
do not kneel on the seat or apply sharp pressure at a single point.Applies to vehicles: with seat heating for rear seatsSeat heating for rear seats
The seat cushions and backrests of the two outer rear
seats can be heated electrically.– Turn the left thumbwheel (on the centre console) to
switch on and regulate the heating for the left rear seat.
– Turn the right thumbwheel (o n the centre console) to
switch on and regulate the heating for the right rear seat.The heating is switched off when the thumbwheel is set to 0.
Possible settings range from 1 to 6.
The heating for the rear seats only operates when a sensor registers
the weight of the occupant in the seat. If nobody is travelling on the
rear seats, please switch off the rear seat heating to avoid activating
it unintentionally.
Caution
To avoid damaging the heating elements of the seat heating, please
do not kneel on the seat or apply sharp pressure at a single point.
A4

Fig. 132 MMI display:
Seat heating
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Driving
116DrivingSteeringApplies to vehicles: with manually adjustable steering columnAdjusting the steering wheel position
The height and reach of the steering wheel can be
adjusted as required to suit the driver.– Pull the lever ⇒fig. 133 -arrow- ⇒ up.
– Move the steering wheel to the desired position.
– Then push the lever towards the steering column until the catch engages.
WARNING
•
Never adjust the position of the steering wheel when the
vehicle is moving - this could cause an accident.
•
For safety reasons, the lever must be pushed securely against
the steering column to prevent the steering wheel from acciden-
tally changing position wh ile driving (accident risk).
Ignition lockStarting the engine with the key
You can use the ignition key to switch on the ignition and
start the engine.– Insert the key into the ignition lock.
– Manual gearbox: Press the clutch pedal all the way down
and move the gear lever into neutral.
– Automatic gearbox: Press the brake pedal and move the
selector lever to position P or N.
– Press in the key ⇒fig. 134 to start the engine.
– Diesel engines can take a few seconds longer than usual to star t on cold days. Please keep your foot on the clutch
or brake pedal until the engine starts. The glow plug indi-
cator lamp

lights up in the instrument cluster while
the glow plugs are preheating.
Fig. 133 Lever beneath
steering column
Fig. 134 Ignition key
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Driving119
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
–Manual gearbox: Press the clutch pedal all the way down
and move the gear lever into neutral.
– Automatic gearbox: Press the brake pedal and move the
selector lever to position P or N ⇒.
– Press the Start/Stop button ⇒page 118, fig. 135 to start
the engine.
– Diesel engines can take a fe w seconds longer than usual
to star t on cold days. Please keep your foot on the clutch
or brake pedal until the engine starts. The glow plug indi-
cator lamp

lights up in the instrument cluster while
the glow plugs are preheating.
If you press the Start/Stop button without pressing the clutch or
brake pedal, the ignition will be switched on (and will be switched
off if you press the button again). Diesel engines are preheated
when the ignition is switched on.
If the engine fails to start straight-away, switch off the starter after
about 10 seconds and try again after about half a minute.
When starting from cold the engine may be a little noisy for the first
few seconds until oil pressure has built up in the hydraulic tappets.
This is quite normal and no cause for concern.
Driving away from a standstill
On some vehicles, the engine revs are automatically increased
slightly as soon as you release the clutch. This helps you drive off
more smoothly.
Driver message in the instrument cluster display
No key identified
This message appears when you pre ss the Start/Stop button if there
is no remote control key inside the vehicle or if the system cannot
detect or identify the key. This can happen, for example, if the radio
signal from the key is obstructed by a metal briefcase or similar. Electronic equipment, such as mobile phones, can also interfere
with the radio signal from the key.
Press brake pedal to start engine
This message appears on automatic vehicles if you press the
Start/Stop button to start the en
gine without first pressing the
brake pedal. The engine will only start if you press the brake pedal.
Press clutch pedal to start engine
This message appears on manual vehicles if you press the
Start/Stop button to start the en gine without first pressing the
clutch pedal. The engine will only star t if you press the clutch pedal.
Engage N or P to start engine
This message will appear if you try to start the engine when the
selector lever of the automatic gear box is not in P or N. The engine
can only be started if the selector lever is in one of these positions.
Key not in vehicle
This message will appear together with the symbol
 if the remote
control key is removed from the vehicle while the engine is running.
This is to remind you not to continue driving without the key (for
example if you change drivers).
If the remote control key is not in the vehicle you will not be able to
switch on the ignition or restar t the engine after it has been
switched off. Without the key, you wi ll also not be able to lock the
vehicle from the outside.
Shift to P, otherwise vehicle can roll away. Doors do not lock if lever
is not in P. or Please move selector lever to position P. Vehicle
cannot be locked.
For safety reasons, this message will appear and a warning buzzer
will sound if the selector lever of the automatic gearbox is not in
position P when you switch off th e ignition with the Start/Stop
button. Put the selector lever in position P; otherwise the vehicle
can roll away. If the lever is not in position P you will not be able to
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