fuel consumption SKODA SUPERB 2010 2.G / (B6/3T) Owner's Manual

Contents
4
Airbag system
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Description of the airbag system . . . . . . . . . . . . . . .
Front airbags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driver's knee airbag* . . . . . . . . . . . . . . . . . . . . . . . . .
Side airbags* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Head airbags* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Deactivating an airbag . . . . . . . . . . . . . . . . . . . . . . . .
Transporting children safely
. . . . . . . . . . . . . . . . . .
What you should know about transporting children!
Child seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Attaching a child seat us ing the “ISOFIX” system .
Attaching child seat using the “Top Tether” system
Driving Tips
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Intelligent Technology
. . . . . . . . . . . . . . . . . . . . . . . .
Electronic stability programme (ESP)* . . . . . . . . . .
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brake booster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Antilock brake system (ABS) . . . . . . . . . . . . . . . . . . .
Brake Assist* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Uphill Start Assist* . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electromechanical power steering . . . . . . . . . . . . .
Tyre pressure monitoring system* . . . . . . . . . . . . . .
Diesel particle filter* (diesel engine) . . . . . . . . . . . .
Driving and the Environment
. . . . . . . . . . . . . . . . .
The first 1 500 kilometres and then afterwards . .
Catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driving in an economical and environmentally
conscious manner . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Environmental compatibility . . . . . . . . . . . . . . . . . . .
Motoring abroad . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Avoiding damage to your vehicle . . . . . . . . . . . . . .
Driving through bodies of water on roads . . . . . . .
Towing a trailer
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Towing a trailer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General Maintenance
. . . . . . . . . . . . . . .
Taking care of your ve hicle and cleaning the
vehicle
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Care of the exterior of vehicle . . . . . . . . . . . . . . . . . .
Care of the interior of vehicle . . . . . . . . . . . . . . . . . .
Fuel
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Petrol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Diesel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Refuelling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspecting and replenishing
. . . . . . . . . . . . . . . . . . .
Engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cooling system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brake fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Windshield washer system . . . . . . . . . . . . . . . . . . . . .
Wheels and Tyres
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wheels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accessories, changes and replacement of partsAccessories and replacement parts . . . . . . . . . . . . .
Technical changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vehicles of category N1 . . . . . . . . . . . . . . . . . . . . . . . .Breakdown assistance
. . . . . . . . . . . . . .
Breakdown assistance
. . . . . . . . . . . . . . . . . . . . . . . . .
First-aid box* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warning triangle* . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fire extinguisher* . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vehicle tool kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tyre repair kit* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Spare wheel* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Changing a wheel . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jump-starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tow-starting and towing vehicle . . . . . . . . . . . . . . . .
Fuses and light bulbs
. . . . . . . . . . . . . . . . . . . . . . . . .
Electric fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bulbs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Data
. . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Data
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General information . . . . . . . . . . . . . . . . . . . . . . . . . .
Used abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . .
Performances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Identification details . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuel consumption according to the ECE standards and
EU guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine oil specifications . . . . . . . . . . . . . . . . . . . . . . .
1.4 ltr./92 kW TSI - EU5 . . . . . . . . . . . . . . . . . . . . . . . .
1.8 ltr./118 (112) kW TSI - EU5 / EU2 / BS4 . . . . . .
2.0 ltr./147 kW FSI - EU5 . . . . . . . . . . . . . . . . . . . . . . .
3.6 ltr./191 kW FSI - EU5 / EU2 / (BS4) . . . . . . . . . .
1.9 ltr./77 kW TDI PD - EU4 . . . . . . . . . . . . . . . . . . . .
2.0 ltr./103 kW TDI CR DPF - EU5 / (EU4 / BS4) . .
2.0 ltr./125 kW TDI CR DPF - EU5 . . . . . . . . . . . . . . .
Index
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
170170171173174176178180180182185186187187187189190191191192192192193195195196196199200200201202202
205205205205209212212212213215215217219221222226228228234234234234235235235235235236236236237241242
246246251257257257257257257257258259260262264266268270272274277
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Layout of this Owner's Manual (explanations)
6
Layout of this Owner's Manual (explanations)The Owner's Manual has been systematically designed, in order to make it easy for you
to find and absorb the information you require.Chapters, table of contents and subject indexThe text of the Owner's manual is divided into relatively short sections which are
combined into easy-to-read chapters. The chapter you are reading at any particular
moment is highlighted at the bottom right of the page.
The Table of contents is arranged according to the chapters and the detailed Subject
index at the end of the Owner's Manual helps you to rapidly find the information you
are looking for.SectionsThe majority of Sections apply to all models.
Since there is a wide range of different equipment and options available it is clearly
unavoidable, despite dividing the contents into sections, that mention may be made
of equipment whic h is not fitted to your vehicle.Brief information and instructionsEach section has a Heading.
This is followed by Brief information (in large italic lettering), which tells you the
subject which is dealt with in this section.
Most of the illustrations are accompanied by an Instruction (in relatively large letters)
which explains to you in a straightforw ard way the action you have to take. Work steps
which have to be carried out are illustrated with a hyphen.Direction indicationsAll direction indications such as “left”, “right”, “front”, “rear” relate to the direction of
travel of the vehicle.Explanation of symbols Equipment which is marked in such a way is only standard on certain vehicle model
versions or only suppliable as opti onal equipment for certain models. End of a section.
 The section is continued on the next page.NotesAll four kinds of notes, which are used in th e text, are always stated at the end of the
respective section.
WARNING
The most important notes are marked with the heading WARNING. These
WARNING notes draw your attention to a serious risk of accident or injury.
While reading the text you will frequent ly encounter a double arrow followed
by a small warning symbol. This symbol is intended to draw your attention to a
WARNING note at the end of the section to which you must pay careful atten-
tion.
Caution
A Caution note draws your attention to the possib ility of damage to your vehicle (e.g.
damage to gearbox), or points ou t general risks of an accident.
For the sake of the environment
An Environmental note draws your attention to environmental protection aspects.
This is where you will, for example, find tips aimed at reducing your fuel consumption.
Note
A normal Note draws your attention in a general way to important information.
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Instruments and warning lights19
Using the system
Safety
Driving Tips
General Maintenance
Breakdown assistance
Technical Data
Shift recommendation for changing gears*An information for the engaged gear fig. 17 is shown in the display of the instru-
ment cluster.
In order to minimise the fuel consumptio n, a recommendation for shifting into
another gear is indicated in the display.
If the control unit recognises that it is a ppropriate to change the gear, an arrow is
shown in the display. The arrow points up or down, depending on whether it is recom-
mended to shift into a higher or lower gear.
At the same time, the recommended gear is indicated instead of the currently engaged
gear .Multi-functional indicator (onboard computer)*IntroductionThe multi-functional indicator appears in the display fig. 18 or in the information
display page 23 depending on the equipm ent fitted to your vehicle.
The multi-functional indicator offers you a range of useful information: On vehicles which are fitted out with informat
ion display*, it is possible to switch off
the display of some information.
Caution
Pull out the ignition key while having contact with the display (for example when
cleaning) in order to prevent any damage.
Note

In certain national versions the displays appear in the Imperial system of measures.

If the display of the second speed is acti vated in mph, the current speed* is not
indicated in km/h on the display.
Memory
The outside temperature
 page 21
Driving time
page 21
Current fuel consumption
page 21
Fig. 17 Recommendation for changing
gears
AA
AB
AA
Average fuel consumption
page 21
Range
page 22
Distance driven
page 22
Average speed
page 22
Current speed*
page 22
oil temperature*
page 22
Warning against excessive speeds*
page 22
Fig. 18 Multi-functional indicator
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Instruments and warning lights21
Using the system
Safety
Driving Tips
General Maintenance
Breakdown assistance
Technical Data
Setting function to zero– Select the memory you want.
– Press the button or for more than 1 second.
The following readouts of the selected memo ry will be set to zero with the button
on the windshield wiper lever or with th e button on the multifunction steering
wheel:
average fuel consumption,

distance driven,

average speed,

Driving time.
You can only operate the multi-functional in dicator when the ignition is switched on.
After the ignition is switched on, the fu nction displayed is the one which you last
selected before switching off the ignition.
Outside temperatureThe outside temperature appears in the disp lay when the ignition is switched on.
If the outside temperature drops below +4 °C, a snow flake symbol (warning signal for
ice on the road) appears before the temperature indicator and a warning signal
sounds. After pressing the rocker switch  page 20, fig. 19 on the windshield wiper
lever or the button page 20, fig. 19 on the multifunction steering wheel*, the
function shown last is indicated.
WARNING
Do not only rely upon the information given on the outside temperature display
that there is no ice on the road. Please note that black ice may also be present
on the road surface even at temperatures around +4°C - warning, drive with
care!Driving timeThe driving time which has elapsed since the memory was last erased, appears in the
display. If you wish to measure the driving ti me as of a particular time, you must set the memory to zero at this moment in time by pressing the button
page 20, fig. 19
on the windshield wiper lever or the handwheel page 20, fig. 19 on the multi-
function steering wheel* for longer than 1 second.
The maximum time indicated in both memories is 19 hours and 59 minutes and on
vehicles which are fitted with information display*, it is 99 hours and 59 minutes. The
indicator is set back to null if this period is exceeded.
Current consumptionThe current fuel consumption level is shown in the display in litres/100 km. This infor-
mation can help you to adapt your style of driving to the fuel consumption you wish to
achieve.
The display appears in litres/hour if the vehicle is stationary or driving at a low speed.
The indicated value will be updated every 0.5 seconds while you are driving.Average fuel consumptionThe average fuel consumption since the memory was last erased is shown in the
display in litres/100 km  page 19. This information can help you to adapt your style
of driving to the fuel cons umption you wish to achieve.
If you wish to determine the average fuel consumption over a certain period of time
you must set the memory to zero at the st art of the measurement using the button
on the windshield wiper lever page 20, fig. 19 or with the handwheel on the
multifunction st eering wheel* page 20, fig. 19 . A zero appears in the display for the
first 100 m you drive after erasing the memory.
The indicated value will be updated every 5 seconds while you are driving.
Note
The amount of fuel consumed will not be indicated.
AB
AD
AB
AD
AA
AC
AB
AD
AB
AD
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Instruments and warning lights
22
RangeThe estimated range in kilometres is shown on the display. It indicates the distance you
can still drive with your vehi cle based on the present level of fuel in the tank for the
same style of driving.
The readout is shown in steps of 10 km. After lighting up of the indicator light for the
fuel reserve the display is shown in steps of 5 km.
The fuel consumption for the last 50 km is taken as a basis for calculating the range. If
you drive in a more economical manner from this moment on, the range will be
increased accordingly.
If the memory is set to zero (after disconnecting the battery), th e fuel consumption of
10 ltr./100 km is calculated for the range; afterwards the value is adapted accordingly
to the style of driving.Distance drivenThe distance driven since the memory was last erased appears in the display
 page 19. If you wish to measure the distance driven of a particular time, you must
set the memory to zero at this moment in time by pressing the button page 20,
fig. 19 on the windshield wiper lever or the handwheel on the multifunction
steering wheel* page 20, fig. 19 .
The maximum distance indicated in both memo ries is 1 999 km or on vehicles with
information display*, it is 9 999 km. The indicator is set back to null if this period is
exceeded.Average speedThe average speed since the memory was last erased is shown in the display in
km/hour page 19. If you wish to determine the average vehicle speed over a certain
period of time, you must set the memory to zero at the start of the measurement using
the button page 20, fig. 19 on the windshield wiper lever or with the handwheel
on the multifunction steering wheel* page 20, fig. 19 .
A zero appears in the display for the first 100 m you drive after erasing the memory.
The indicated value will be updated every 5 seconds while you are driving.
Current speed*The current speed which is identical to the display of the speedometer page 15,
fig. 15 is indicated on the display.oil temperature*The oil temperature appears in the display when the ignition is switched on. If the oil
temperature is lower than 50°C or if a fault in the system for checking the oil tempera-
ture is present, three lines are displayed instead of the oil temperature.Warning against excessive speedsWarning against excessive speeds
This function enables you to set a speed limit, e.g. if you drive in town. A text in the
display is intended to draw your attention to the fact that you have exceeded the set
speed limit.
You can set the desired speed limit as follows:
Select the menu point Speed warning --- km/h (warning at --- km/h). .

Drive e.°g at a speed of 50 km/h.

Press the button page 20, fig. 19 on the windshield wi per lever or the hand-
wheel on the multifunction steering wheel* page 20, fig. 19 . Speed warning
50 km/h (warning at 50 km/h) is displayed in the information display*. You can
increase or reduce this value with the bu tton on the windshield wiper lever or by
turning the handwheel on the multifunction steering wheel*.

The value is stored by repeated pressing of the button on the windshield wiper
lever or the handwheel on the multifunction steering wheel*.
If you now exceed the set speed limit, Speed 50 km/h exceeded will be shown in the
display. This message is indicated for as long as the speed is reduced below the set
limit or switch off the message by pressing the button on the windshield wiper lever
 page 20, fig. 19 or the handwheel on the multifunction stee ring wheel*
 page 20, fig. 19 .
An audible signal sounds as an additional warning signal.
The set speed limit remains stored even after switching off the ignition.
AB
AD
AB
AD
A2
AB
AD
AA
AD
AB
AD
AB
AD
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Lights and Visibility71
Using the system
Safety
Driving Tips
General Maintenance
Breakdown assistance
Technical Data
– Lever off the cover of the rechargeable ba
tteries with a narrow and pointed object
at the point of the lock-off clips page 70, fig. 58 .
– Remove the faulty rechargeable batteries from the lamp.
– Insert the new rechargeable batteries.
– Insert the cover of the rechargeable batteries and press on it until it is heard to lock
in place.
WARNING
Pay particular attention when using the narrow and pointed object to change
the rechargeable batteries - risk of injury.
Caution
We recommend having the faulty rechargeab le batteries replaced by a specialist
garage. If the lamp is not corr ectly opened, it can be damaged.
For the sake of the environment
Dispose of the faulty rechargeable batteries in accordance with environmental regula-
tions.
Note

Pay attention to the correct polarity wh en replacing the rechargeable batteries.

The replacement rechargeable batteries must have the same specification as the
original rechargeable batteries. If other ty pes of rechargeable batteries are used, the
power output can be reduced and it can lead to a malfunction of the lamp.
VisibilityWindscreen and rear window heaterFig. 59 Switch for windscreen heat er / switch for rear window heaterWindscreen heater*– You can switch the windscreen heater on or off by pressing the switch fig. 59
- left, the indicator light in th e switch comes on or goes out.Rear window heater– You can switch the rear window heater on or off by pressing the switch
 fig. 59 - right, the indicator light in the switch comes on or goes out.
The windscreen and rear wind ow heater only operates when the engine is running.
The windscreen and rear window heater switches off automatically after 10 minutes.
For the sake of the environment
As soon as the window is de-iced or free from mist, the heating should be switched off.
The reduced current consumption will have a favourable effect on fuel economy
page 199, “Saving electricity”.
Note

If the on-board voltage drops, the windscre en or rear window heater is switched
off automatically, in order to provide sufficient electrical energy for the engine control.
AF

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Seats and Stowage97
Using the system
Safety
Driving Tips
General Maintenance
Breakdown assistance
Technical Data
– Push the net partition housing in the oppo
site direction of arrow as far as the
stop.
– Fold the rear seats back into their original position.
WARNING
Pay attention that the rear seat backrest is correctly interlocked. It is only then
that the three-point seat belt for the middle seat can reliably fulfil its function.The roof rack*DescriptionPay attention to the following points if you wish to transport luggage or other items on
the roof of your vehicle:
A special roof luggage rack system was de veloped for the vehicle, that is why you
should only use a roof luggage rack which has been released for use by Škoda Auto.

The base carrier is the basis for a complete roof luggage rack system. Separate
additional holders are required for safety reasons for transporting luggage, bikes, surf-
boards, skis and boats.

The basic version of the roof luggage rack system and further components are
obtainable as accessories from the authorised Škoda Service Partners.Caution

If you use other roof rack systems or if the roof bars are not properly fitted, then any
damage which may result to your car is not covered by the warranty agreements. It is
therefore essential to pay attention to the fitting instructions supplied with the roof
luggage rack system.

On models fitted with a power sliding/ti lting roof or a panoramic sliding roof,
ensure that the opened sliding/tilting roof or the panoramic sliding roof does not strike
any items of luggage transported on the roof.

Ensure that the opened boot lid does not collide with the roof load.
For the sake of the environment
The increased aerodynamic drag results in a higher fuel consumption. One should
therefore take off the roof bar system after use.Attachment pointsPerform the assembly and the disassembly according to the attached instructions.
Note

If you have any questions, please contact a specialist garage.

The illustration does not apply to vehicles which are factory-fitted with a roof rail.
Roof loadDistribute weight evenly over the roof luggage rack system. The maximum permissible
roof load (including roof rack system) of 100 kg and the maximum permissible total
weight of the vehicle should not be exceeded.
You cannot make full use of th e permissible roof load if you use a roof luggage rack
system with a lower load carr ying capacity. The load transported on the roof luggage
rack system must not exceed the weight limit which is stated in the fitting instructions.
WARNING

The items which you transport on the roof bar system must be reliably
attached - risk of accident!
A1
Fig. 96 Attachment points for base roof
carrier
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Air conditioning system109
Using the system
Safety
Driving Tips
General Maintenance
Breakdown assistance
Technical Data
Air conditioning systemIntroductionDescription and informationIf the cooling system is switched on, the temperature and air humidity drops in the
vehicle. The wellbeing of the occupants of the car is enhanced as a result of this partic-
ularly at high outside temperatures and a high air humidity. The system prevents the
windows misting up during th e cold season of the year.
The heating effect is dependent upon the c oolant temperature, thus full heat output
only occurs when the engine has reached its operating temperature.
It is possible to briefly activate recirculat ed air mode in order to enhance the cooling
effect - Climatic page 113, Climatronic page 116.
The air inlet in front of the windscreen must be free of ice, snow or leaves in order to
ensure that the heating and cooling systems operate properly.
After switching on the cooling Condensation from the evaporator of the air condi-
tioning may drip down and form a puddle be low the vehicle. This is quite normal and
not an indication of a leak!
WARNING

For your own safety and that of other road users, ensure that all the
windows are free of ice, snow and mistin g. Please familiarize yourself about
how to correctly operate th e heating and ventilation systems, how to demist
and defrost the windows, as well as with the cooling mode.

You should not leave recirculated air mode on over a longer period of time,
as “stale” air may result in fatigue in the driver and occupants, divert your
attention and also cause the windows to mist up. The risk of having an accident
increases. Switch recirculated air mode off as soon as the windows begin
misting up.
Note

The used air streams out through the air removal openings in the luggage compart-
ment.

If the cooling system has not been switched on for a lengthy period, odours may
be produced at the evaporator because of deposits. Switch the cooling system on at
least once a month for approximately 5 minu tes at the highest blower stage - also
during the cold season of the year - in order to avoid such odours. Also open a window
for a short time.

We recommend that you do not smoke in the vehicle when the recirculating air
mode is operating since the smoke which is drawn at the evaporator from the interior
of the vehicle forms deposits in the evapor ator of the air conditioning system. This
produces a permanent odour when the air conditioning system is operating which can
only be eliminated through considerable effort and expense (replacement of
compressor).

Please refer to the information regarding the recirculated air mode for Climatic
 page 113 or for Climatronic page 116.
Using the air conditioning system economicallyThe compressor on the air conditioning syst em uses power from the engine when in
cooling mode which will effect the fuel consumption.
It recommended to open the windows or the doors of a vehicle for which the interior
has been strongly heated through the effect of direct sunlight in order to allow the
heated air to escape.
The cooling system should not be switched on while travelling when the window is
open.
The desired interior temperature can also be achieved without switching in the cooling
system just by switching to fresh air mode.
For the sake of the environment
When you economize on fuel, you also reduce pollutant emissions.
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Air conditioning system117
Using the system
Safety
Driving Tips
General Maintenance
Breakdown assistance
Technical Data
Defrosting windscreenDefrosting windscreen - switching on– Press the button page 114, fig. 122.Defrosting windscreen - switching off– Once again press the button or the button .
The temperature control is controlled automatically. More air flows out of the air outlet
vents 1.Auxiliary heating (auxiliary heating and ventilation)*Description and important information
The auxiliary heating (auxiliary heating and ventilation) heats or
supplies the interior of the vehicl e with fresh air independent of the
engine.Auxiliary heating (auxiliary heating)
The auxiliary heating (auxiliary heating) functions in connection with the Climatic or
Climatronic.
It can be used when stationary, when engi ne is switched off for preheating of the
vehicle as well as while driving (e.g. during the heating phase of the engine).
The engine is also preheated when the vehicle is stationary and the engine is switched
off, if the auxiliary heating is switched on. This is not valid for the engines 3.6 ltr./191 kW
FSI and 1.9 ltr./77 kW TDI.
The auxiliary heating (auxiliary heating) wa rms up the coolant during the combustion
of fuel from the vehicle tank. The coolant warms up the air, which (if the blower speed
is not set to zero) flows in to the occupant compartment.
Auxiliary ve ntilation
The auxiliary ventilation enables fresh air to flow into the vehicle interior by switching
off the engine, whereby the interior temperature is effectively decreased (e.g. with the
vehicle parked in the sun).
WARNING

The auxiliary heating must never be operated in closed rooms - risk of
poisoning!

The auxiliary heating must not be running during refueling - risk of fire.

The exhaust pipe of the auxiliary heatin g is located on the underside of the
vehicle. Therefore do not place the vehicle, if you wish to operate the auxiliary
heating, in such a way that the exhaust gases of the auxiliary heating can come
easily into contact with inflammable mate rials (e.g. dry grass) or easily inflam-
mable substances (e .g. fuel run out).Note

If the auxiliary heating runs, the fuel consumption comes from the vehicle tank.
Therefore the auxiliary heating should not be operated, if there is very little fuel in the
tank.

The exhaust pipe of the auxiliary heating, which is located on the underside of the
vehicle, must not be clogged and th e exhaust flow must not be blocked.

If the auxiliary heating and ventilation is running, the vehicle battery discharges. If
the auxiliary heating and ventilation has been operated several times over a longer
period, the vehicle must be driven a few ki lometers in order to recharge the vehicle
battery.

The auxiliary heating only switches the bl ower on, if it has achieved a coolant
temperature of approx. 50 °C.

At low outside temperatures, this can result in a formation of water vapour in the
area of the engine compartment. This is qu ite normal and is not an operating problem.

After switching off the auxiliary heating, the coolant pump runs for a short period.

The auxiliary heating and ventilation does not switch on or comes on, if the vehicle
battery indicates a low loading state.

The auxiliary heating (auxiliary heating) does not switch on, if the following was
shown in the information display or before switching off the ignition: Please refuel!

The air inlet in front of the windscreen must be free of ice, snow or leaves in order
to ensure that the auxiliary heating operates properly.


AUTO
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Driving and the Environment
196
Catalytic converterProper operation of the emission cont rol system (catalytic converter) is
of major significance for driving your vehicle in an environmentally
conscious way.Please refer to the following guidelines.
– For vehicles with petrol engine only refuel with unleaded petrol  page 212.
– Never run the fuel tank completely empty.
– Do not switch off the ignition while you are driving the vehicle.
– Do not pour too much oil into the engine page 218, “Replenishing engine oil”.
– Do not tow-start the vehicle over a distance of more than 50 metres page 242,
“Tow-starting and towing vehicle”.
If you drive your vehicle in a country in which unleaded petrol is not available, you
must have the catalytic converter replaced la ter when driving the vehicle into a country
in which use of a catalyti c converter is mandatory.
WARNING

In view of the high temperatures which may be produced in the catalytic
converter, one should always park a vehicle in such a way that the catalytic
converter cannot come into contact with easily flammable materials below the
vehicle - a risk of fire!

Never use additional underbody protection or corrosion-protection agents
for the exhaust pipes, catalytic converters or heat shields. Such substances
might ignite when driving - risk of fire!Caution

On vehicles fitted with a catalytic converte r, never let the fuel tank run completely
empty. An irregular fuel supply can result in poor ignition or misfiring. Unburnt fuel
may get into the exhaust system an d damage the catalytic converter.

Filling the tank even only once with le aded petrol will result in the catalytic
converter being destroyed.

If you detect a power reduct ion or irregular engine runni ng when driving, reduce
your speed immediately and have the vehicle inspected by the nearest specialist
garage. The symptoms described may be caus ed by a fault in the ignition system.
Unburnt fuel may get into the exhaust sy stem and damage the catalytic converter.For the sake of the environment
Even if the exhaust system is operating pr operly, a sulphur-like exhaust odour may be
produced under certain oper ating conditions of the engine. This depends on the
sulphur content of the fuel. It is often sufficient to refuel with unleaded premium-grade
petrol of a different brand or at a different filling station.Driving in an economical and environmentally
conscious mannerGeneral
Your personal style of driving is a major factor.Your fuel consumption, any pollution of the environmental and the wear-and-tear to
the engine, brakes and tyres, depend essentially on three factors:
your personal style of driving,

the conditions under which your vehicle is operated,

technical aspects.
You can easily improve your fuel economy by 10 - 15 percent by driving in an econom-
ical way with foresight. This section is intended to provide you with a number of tips on
how to protect the environment and at the same time save money.
The fuel consumption can naturally also be influenced by factors which are beyond the
driver's control. It is, for example, normal for the fuel consumption to increase in
winter and under worsened cond itions such as poor road conditions, towing a trailer,
etc.
The technical requirements for low fuel usage and economic efficiency of the vehicle
have already been built into the vehicle at the works. Special attention has been given
to minimising negative effects on the environment. It is necessary to take note of the
s3fg.2.book Page 196 Friday, April 30, 2010 12:17 PM