
Opening and closing
Keys
Key set
Fig. 23 Key set
© Master key with remote control
You can centrally lock a nd u nlock your ve hicle and start the eng ine
with the master key with remote contro l.
® Emergency key
The emergency key is not intended for cons tant use. It should o nly be
used in an emergency . Keep it in a safe place and do not carry it on
your key ring.
Key replacement
If you lose a key , contact your a uthori zed Audi dea le r immedi ately to
have the
lost key disabled . Be sure to bring all your keys w ith you .
Data in the master key
During driving, service and maintenance-relevant data is cont inu
o usly s tore d on yo ur maste r key. Your Aud i service adviser can re ad
out this data and tell you about the work your veh icle needs . This
a pp lies a lso to ve hicles with convenience key* .
Controls and equip
ment Safety first
Opening and closing
Personal comfort
settings
If two peop le use one veh icle, it is recommended that eac h person
a lw ays uses "t heir own " mas ter key. When t he ig nitio n is tu rned off
or when the vehicle is locked, personal conven ience settings for the
following systems are sto red and assigned to the remo te maste r key .
• Climate co ntrol
• C entra l lo ck ing system
• Seat memory*
• Parking sys tem *
• Audi s ide assist*
• Audi dr ive select*
T he sto red sett ings a re a utomatica lly recalled w hen you unlock the
vehicle, when you open the doors o r when you tu rn o n the ignition .
& WARNING
• Do not leave your vehicle unattended w ith the key in the igni
tion lock. Entry by unauthorized per sons could endanger you or
result in theft or damage the vehicle. Alway s lock all doors and
take the key.
• Do not leave children unattended in the veh icle, especially with
access to vehicle key s. Unguarded acce ss to the ke ys pro vide s chil
dren the opportun ity to start the engine and /or activate vehicle
s y stem s such as the power windows etc . Unsupervi sed operation
of any vehicle system by children can result in serious injury.
• Do not remove the ke y from the ignition lock until the vehicle
ha s come to a complete stop. Otherwise the ste ering column lock
could suddenly engage -causing the ri sk of an accident. .,_
Vehicle care Technical data

Warm and cold
Warm and cold
Deluxe automatic climate control
Applies to vehicles: with deluxe automat ic climate cont ro l
Description
The climate control system can be used to set a comfort
able temperature inside the vehicle .
The climate control system is a combination of a heating and ventila
tion system as well a cooling system respons ible for dehumid ifying
and cooling the air inside the vehicle.
Th e automatic climate control system automatically maintains a
temperature once it has been set. The temperature of the air from
the vents, fan speed (air volume) and air distribution are a lso auto
matically adjusted . The system also takes into account strong
sunlight so that manual adjustment is not necessary . So in almost all
cases, automatic mode offers the best conditions for the comfort of
the occupants at all times of the year=>
page 90.
Please note the following :
The cooling mode lowers the humidity level inside the vehicle. This
prevents fogging up of the windows.
In the case of high outside humidity and temperatures,
condensation
can drip from the air conditioning system evaporator and form a pool
under the veh icle. This is normal and not an indication of leaks!
At low outs ide temperatures, the fan automatically switches to a
higher speed when the coolant reaches a sufficient temperature
except in the defroster position.
When starting with full throttle, the compressor of the automatic
climate control system is temporarily switched off to achieve full
engine power.
T o ensure engine cooling when the engine is under an extreme load,
the compressor is switched off at h igh coolant temperatures.
Pollutant filter
The pollutant filter (particle filter) ensures that impurities in the
outs ide a ir (e.g. dust, pollen) and odors are significantly reduced or
stopped. The air is also filtered in recirculation mode.
Th e pollutant filter e lement must be changed at the intervals speci
fied in the service plan so that the performance of the automatic
climate control system is not impaired.
If the effect iveness of the filter decreases premat urely due to opera
tion of the vehicle in areas with significant pollution, the filter
element must be changed between the specified service dates.
Key recognition
The current climate control settings are automatically stored and
assigned to the key being used. The settings assigned to the key are
restored automatically when the vehicle is started. These settings are
different when the power top is open or closed. Each driver can use
his or her preferred settings witho ut having to man ually adjust them
when using their own key.
If another driver changes the settings while using your key, your
prefer red sett ings will be erased.
Energy management
To prevent the battery from be ing discharged and to restore the
balance of energy, components which require large amounts of
energy are temporarily cut back or switched off=>
page 247. Heating
systems in partic ular require a great dea l of energy. If you notice, for
example, that the rear window heater is not heating , the n it has been
temporarily reduced or switched off by
energy management . These
systems are available again as soon as the energy balance has been
restored. .,,_
![AUDI A5 CABRIOLET 2010 Owners Manual Warm and cold
(I] Tips
If the climate control is running in cooling mode, air flows mainly
from ve nts @ and @. To achieve adequate cooling, you should never
close these vents c AUDI A5 CABRIOLET 2010 Owners Manual Warm and cold
(I] Tips
If the climate control is running in cooling mode, air flows mainly
from ve nts @ and @. To achieve adequate cooling, you should never
close these vents c](/manual-img/6/57573/w960_57573-95.png)
Warm and cold
(I] Tips
If the climate control is running in cooling mode, air flows mainly
from ve nts @ and @. To achieve adequate cooling, you should never
close these vents completely. •
Applies to vehicles: wit h deluxe auto mati c climate c ontro l
Economical use of the climate control
system
Economical use of the climate control system helps save
fuel.
When the climate control system is working in cooling mode,
engine performance is reduced and fuel consumption is
affected. To keep the time the climate control system is on as
short as possible, you should do the following :
- To save fuel, turn off cooling mode by pressing the [AC]
button (indicator light goes out).
- In addition, if you open the window while driving, turn off cooling mode by pressing the
[AC] button (indicator light
goes out).
- If the vehicle is extremely hot due to the heat of the sun,
briefly open doors and windows.
For the sake of the environment
When you save fuel, you reduce emissions from the vehicle. •
App lies to veh ic les: with del uxe automatic climate control
Automatic recirculation
An air quality sensor detects increased concentrations of
pollutants in the outside air and automatically switches
to recirculation mode.
The basic climate control settings can be adjusted in the
radio or
MMI*.
- Select: Function button [CAR]> Climate control switch.
We recommend that you always keep automatic recirculation ON to
prevent polluted outside ai r from entering the vehicle interior.
If the
air quality sensor located in the climate control system detects
polluted outside air, the sensor decides whether the air pollution can
be reduced by the factory-installed pollutant filter or whether it is
necessary to switch to recirculation . With heavy concentrations of
pollutants, the climate control system is switched automatically to
recirculation mode and the supply of outside air is blocked . As soon
as the concentration of pollutants in the outside air drops, fresh air is
supplied to the vehicle interior again.
In the event tha t the windows fog up during au tomatic recircula tion,
press the[@] button immediately.
Under certain operating conditions, automatic recirculation is
switched off automatically. When outside temperatures are below
about SO
°F ( + 10 °(), automatic recirculation is limited to
30 seconds. When outside temperatures are below about 30
°F (-
1 °(), automatic recirculation is limited to 15 seconds .•

Deluxe automatic climate control
plus
A pplie s to v ehicl es: w ith d elu xe auto matic climate control p lu s
Description
The air conditioner is fully automatic and is designed to
maintain a comfortable and uniform climate inside the
vehicle.
We recommend the following settings:
- Set the temperature to 75
°F (+23 °C).
- Press the [AUTO] button .
With this setting, you attain maximum comfort in the least amount
of time. Change this setting, as desired, to meet your personal needs.
The climate controls are a combination of heating, ventilation and
cooling systems, which automatically reduce humidity and cool the
air inside your vehicle.
The climate control automatically maintains a temperature once it has been set. The temperature of the air from the vents, fan speed
(air volume) and air distribution are also automatically adjusted . The
system also takes into account strong sunshine so that manual
adjustment is not necessary . So in almost all cases ,
automatic mode
offers the best conditions for the comfort of the occupants at all
times of the year:::::,
page 97.
Please note the following:
Turn on the air conditioner to reduce humidity in the vehicle. This also
prevents the windows from fogging up.
When the outside temperature is high and the air is very humid,
condensation from the evaporator may drip under the vehicle . This is
normal and does not indicate a leak.
Controls and equip
ment Safety first
Warm and cold
If the outside temperature is
low, the fan normally only switches to a
higher speed once the engine coolant has warmed up sufficiently .
The air conditioner temporarily switches off when you drive off from
a standstill using full throttle to save engine power.
The compressor also switches off if the coolant temperature is too
high, so that t he engine can be adequately cooled under ex treme
loads.
Pollutant filter
The pollutant filter (particle filter) ensures that impurities in the
outside air (e.g. dust, pollen) and odors are significantly reduced or
stopped . The air is also filtered in recirculation mode.
The pollutant filter element must be changed at the intervals speci
fied in the service plan so that the performance of the automatic
climate control system is not impaired .
If the effectiveness of the filter decreases prematurely due to opera
tion of the vehicle in areas with significant pollution, the filter
element must be changed between the specified service dates.
Key recognition
The current climate control settings are automatically stored and
assigned to the key being used. The settings assigned to the key are
restored automatically when the vehicle is started. These settings are
different when the power top is open or closed. Each driver can use
his or her preferred settings without having to manually adjust them
when using their own key.
If another driver changes the settings while using your key, your
preferred settings will be erased.
Energy management
To prevent the battery from being discharged and to restore the
balance of energy, components which require large amounts of
energy are temporarily cut back or switched off=>
page 247. Heating
systems in particular require a great deal of energy .
If you notice, for
example, that the rear window heater is not heating, then it has been
temporarily cut back or switched off by
energy management. These .,_
Vehicle care Technical data

1111....__w __ a _r_ m __ a_n_ d_ c_ o _ l_d _______________________________________________ _
Applies to veh icles : wi th d eluxe automat ic clim ate cont rol pl us
Economical use of the climate control
system
Economical use of the climate control system helps save
fuel.
When the climate control system is working in cooling mode,
engine performance is reduced and fuel consumption is
affected. To keep the time the climate control system is on as
short as possible, you should do the following:
- To save fuel, turn off cooling mode by pressing the AC
button (indicator light goes out).
- In addition, if you open the window while driving, turn off
cooling mode by pressing the AC button (indicator light
goes out).
- If the vehicle is extremely hot due to the heat of the sun,
briefly open doors and windows.
~ For the sake of the environment
When you save fuel, you reduce emissions from the vehicle. •
Applies to vehicles: with deluxe automatic climate cont rol plus
Deluxe automatic climate control plus -
basic settings
The basic climate control settings can be adjusted in the
radio or MM!*.
-Select: Function button (CAR]> Climate control switch.
Automatic recirculation
An air quality sensor detects increased concentrations of pollutants
in the outside air and automatically switches to recirculation mode. We recommend that you always keep automatic
recirculation ON to
prevent polluted outside air from entering the vehicle interior.
If the
air quality sensor located in the climate control system detects
polluted outside air, the sensor decides whether the air pollution can
be reduced by the factory-installed pollutant filter or whether it is
necessary to switch to recirculation. With heavy concentrations of
pollutants, the climate control system is switched automatically to
recirculation mode and the supply of outside air is blocked. As soon
as the concentration of pollutants in the outside air drops, fresh air is
supplied to the vehicle interior again.
In the event that the windows fog up during automatic recirculation,
press the
l@I button immediately.
Under certain operating conditions, automatic recirculation is
switched off automatically. When outside temperatures are below
about 50
°F ( + 10 °(), automatic recirculation is limited to
30 seconds. When outside temperatures are below about 30
°F (-
1 °C), automatic recirculation is limited to 15 seconds .
Synchronization
After Synchronization is set to on, all of the subsequent climate
control settings (except for seat heating*) for the driver are trans
ferred to the front passenger .
Synchronization is canceled when settings are adjusted on the front
passenger's side .•

Alphabetical index -________________ f!:VII
Electronic immobilizer ..... .. .. .. . 346
Homel ink® un iversal remote control . 346
Remote control key .......... ..... 346
Tire pressure monitoring system . .. . 346
Defective light bulb warning ... ... . .. .. 34
Defrost ing the windows . . . . . . . . . . . 92, 99
Deluxe automatic climate control ....... 88
A/C mode ............. ... ........ 93
Air distribution .. .. .. .......... ... 92
Air vents .. .. ... .......... .... .. .. 93
Automatic mode .... .. .. .. .. .... .. 90
Controls .. .. ................. .. .. 89
Defrost ...... ...... .. .. .. .. .... .. 92
Description ........ ....... .. .. .. .. 88
Economical use ................... 94
Fan . ... .................... ..... 91
Rear window defogger ......... .. .. 92
Recirculation mode ................ 91
Temperature ..................... 91
Turning on and off ............ .... . 90
Deluxe automatic climate control plus ... 95
A/C mode ......... ..... .... .... . 100
Air distribution . ... ............... 99
Air vents .. ............. .. .... .. . 101
Air vents (rear) . ............... .. . 101
Automatic mode .... .. .. .. .. .... .. 97
Automatic recirculation ........... . 102
Basic settings ............... ..... 102
Controls .. .. .. .. .. ...... .. .. ... .. 96
Defrost .......................... 99
Description ....................... 95
Economical use .................. 102
Fan .. .. .................... ..... 98
Front seat heating ............ .... 103
Controls and equip
ment Safety first
Rear window defogger
... .. .. .. .. . 100
Recirculation mode ............... . 99
Synchronization ..... .. .. ......... 102
Temperature ..................... 98
Turning on and off . .... ........... . 97
Determining correct load limit ... .. .. .. 305
Digital clock ..... ............. .. .. .. . 10
Digital compass ............... ... ... 75
Digital speedometer ... ............... 20
Dimensions ... .. ................... 341
Doors Emergency locking .............. .. 46
Driver informat ion system .......... ... 18
Defective light bulb warning ......... 34
Digital speedometer ....... ... .. .. . 20
Driver information messages ........ 26
Open door or rear lid warn ing ........ 20
Outside temperature display ........ 19
Sound system display .............. 19
Driver seat
See Seating position .............. 178
Drive r's seat memory
Act ivat ing remote control key .... .. . 81
Driving lights ........................ 62
Driving messages ........... .. ... .... 26
Dr iving safely . .. .... .... .. ... ...... 176
Driving through water ... .. . ... .. .. . . 251
Dr iving time .. .. .... ............. ... 22
Duplicate key ........................ 3 7
Dust filter . . . . . . . . . . . . . . . . . . . . . . 88, 95
Dynamic shift program .. ............. 159
Dynamic stee ring . . . . . . . . . . . . . . . . 13, 32
E
Easy entry function .......... ......... 79
Electrica l seat adjustment
See Seat adjustment .. ..... .. .. .. .. 78
Electromechanical parking brake
Emergency braking ............ .. . 112
Ma lfunction ..................... 112
Operation ....................... 110
Parking ............ .. .. .. .... ... 111
Releasing and closing ............. 110
Starting assist ...... ... ... .... ... 111
Starting from rest ... .. .... .. . ... . 111
Starting off with a trailer ....... .. . 112
Warning/indicator lights ... .. .. .. .. 16
Electronic differential lock (EDL) How the system works ........... . 242
Warning/indicator lights . .. .. .. .. .. 16
Electronic immobilizer . . . . . . . . . . . . 11, 40
Electron ic power control
(EPC) warning/indicator light ........ 13
Electronic stabilization program (ESP)
How the system works ............ 240
Warning/indica tor lights ... .... .. .. 14
Emergency braking . ... .............. 112
Emergency flasher .......... ......... 66
Warning/indicator lights .... ...... . 15
Emergency key ... .. .. ............... 3 7
Starting engine ................... 40
Emergency locking of the doors .. .. ..... 46
Emergency operation
Luggage compartment lid ....... ... 47
Power top .... .................... 56
Vehicle operation Vehicle care Do-it-yourself service Technical data