cooling SKODA OCTAVIA 2015 3.G / (5E) Owner's Manual

Revolutions counterRead and observe
on page 28 first.
The tachometer
1
» Fig. 22 on page 28 shows the actual engine speed per
minute.
The beginning of the red scale range of the tachometer indicates the maxi-
mum permitted engine speed of a driven-in and operating warm engine.
You should shift into the next highest gear before the red scale of the revolu- tion counter is reached, or select mode D on the automatic gearbox.
The gear recommendation is important to note in order to maintain the opti-
mum engine speed » page 41.
CAUTION
The pointer of the tachometer must reach the red area for only a short time -
there is a risk of engine damage!
Display
Fig. 23
Display types
Read and observe on page 28 first.
Display types » Fig. 23
MAXI DOT display.
Segment display
The following information will be displayed.
▶ Exterior temperature information
▶ Distance travelled » page 30
▶ Time » page 31
▶ Warning lights » page 31
▶ Information system data » page 40
NoteDepending on vehicle equipment, the MAXI DOT display can be either mono-
chromatic “(black and white)” or colour.
Coolant temperature gauge
Fig. 24
Coolant temperature gauge
Read and observe on page 28 first.
The display » Fig. 24 provides information on the engine coolant temperature.
The fuel gauge only works if the ignition is switched on.
Cold range
If the pointer is still in the left area of the scale, this indicates that the engine has not yet reached its operating temperature. Avoid high speeds, full throttle
and high engine loads. This prevents possible damage to the engine.
The operating range
The engine has reached its operating temperature as soon as the pointer
moves into the middle of the scale
A
» Fig. 24 .
High temperature range
If the pointer reaches the red area of the scale, the coolant temperature is too
high.
CAUTION
■ Additional headlights and other attached components in front of the air inlet
impair the cooling efficiency of the coolant.■
Never cover the radiator - there is a risk of the engine overheating.
29Instruments and warning lights

If the coolant level is within the specified range and the warning light  illumi-
nated again after ignition on, then there may be a malfunction of the cooling
fan.
▶ Switch off the ignition.
▶ Check the fuse for the radiator fan, replace if necessary.
If the coolant level and the fan fuse are OK and the warning light 
illuminates
again after ignition on 
do not continue to drive!
Seek help from a specialist garage.
Coolant temperature too high  Illumi-
nates
Engine overheat. Stop! Owner's Manual!ENGINE OVERHEAT STOP
▶ Stop the vehicle and turn off the engine.
▶ Continue your journey only after the warning light  has disappeared.
 Engine oil pressure too low
Read and observe
on page 32 first.

 flashes – the engine oil pressure is too low.
Oil pressure: stop! Owner's Manual!STOP VEHICLE OIL PRESSURE›
Stop the vehicle, switch off the engine, and check the engine oil level.
Even if the oil level is correct, 
do not drive any further if the warning light is
flashing. Also do not leave the engine running at an idling speed.
Seek help from a specialist garage.
CAUTION
If for some reason it is not possible to top up the engine oil under the current
circumstances,  do not continue driving! Switch off the engine and seek as-
sistance from a specialist garage.
 Engine oil level
Read and observe
on page 32 first.
Engine oil level too low
  Illumi-
nates
Oil level: add oil!ADD OIL▶ Stop the vehicle, switch off the engine, and check the engine oil level, top up
if necessary.
The warning light will go out if the bonnet is left open for more than 30 sec-
onds. If no engine oil has been replenished, the warning light will come on
again after driving about 100 km.
Engine oil level too high  Illumi-
nates
Reduce oil level!OIL LEVEL TOO HIGH
▶ Stop the vehicle, switch off the engine, and check the engine oil level.
In the event of a high oil level, seek assistance from a specialist garage.
Fault on the engine oil level sensor
  Illumi-
nates
Oil sensor: workshop!OIL SENSOR WORKSHOP
Seek help from a specialist garage.
CAUTION
If for some reason it is not possible to top up the engine oil under the current
circumstances,  do not continue driving! Switch off the engine and seek as-
sistance from a specialist garage.
 Lamp failure
Read and observe
on page 32 first.

 illuminates – one of the lamps is defective. A message will appear con-
cerning the affected lamp.
An example message in the display of the instrument cluster
Check right dipped headlight beam!DIPPED HEADLIGHT CHECK RIGHT
 Diesel particulate filter (diesel engine)
Read and observe
on page 32 first.
The diesel particulate filter separates the soot particles from the exhaust. The soot particles collect in the diesel particulate filter where they are burnt on a
regular basis.

 illuminates – the filter is clogged with soot. 
38Using the system

Roof loadRead and observe
and on page 110 first.
Do not exceed the permissible roof load of 75 kg, this includes the carrier sys-
tem.
The full permissible roof load cannot be used if a roof rack system with a lower
load carrying capacity is used. The maximum capacity of the carrier system
should never be exceeded.
Heating and ventilation
Heating, manual air conditioning system, Climatronic
 Introduction
This chapter contains information on the following subjects:
Heating and manual air conditioning
113
Climatronic (automatic air conditioning)
114
Climatronic - automatic operation
115
Air distribution control
115
Air outlet vents
116
The heating and air conditioning ventilate and heat the vehicle interior. The air
conditioning system also cools and dehumidifies the vehicle interior.
The heating effect is dependent upon the coolant temperature, thus full heat
output only occurs when the engine has reached its operating temperature.
The cooling system operates only if the following conditions are met. The cooling system is switched on.
The engine is running.
The outside temperature is above approx. +2 °C.
The blower is switched on.
If the cooling system is switched on, the temperature and air humidity drops in the vehicle. The cooling system prevents the windows from misting up during
the cold season of the year.
It is possible to briefly activate recirculated air mode to enhance the cooling
effect » page 115 .
Health protection
To reduce health risks (e.g. common colds), the following instructions for the
use of the cooling system are to be observed. ▶ The difference between the indoor temperature and the outdoor air temper-
ature should not be greater than about 5 ° C.
▶ The cooling system is to be turned off about 10 minutes before the end of
the journey.
▶ Once a year, disinfection of the manual air conditioner or the Climatronic is to
be carried out by a specialist company. 
112Using the system

WARNING■For your own safety and that of other road users, ensure that all the win-
dows are free of ice, snow and misting. The blower should always be on to
prevent the windows from misting up.■
Under certain circumstances, air at a temperature of about 5 °C can flow
out of the vents when the cooling system is switched on.
CAUTION
■ The air inlet in front of the windscreen must be free of e.g. ice, snow or
leaves to ensure that the heating and cooling system operates properly.■
After switching on the cooling Condensation from the evaporator of the air
conditioning may drip down and form a puddle below the vehicle. This is not a
leak!
■
If the coolant temperature is too high, the cooling system is switched off to
ensure that the engine cools down.
Heating and manual air conditioning
Fig. 135
Heating Controls
Fig. 136
Controls of the manual air conditioning
Read and observe
and on page 113 first.
Individual functions can be set or switched on by turning the dial or pressing
the corresponding key. When the function is switched on, the warning light il-
luminates below the button.
Functions of the individual controls » Fig. 135 and » Fig. 136
Setting temperature
▶  Lower the temperature
▶  Increase the temperature
Set the blower speed (Level 0: Fan off, Level 6: highest speed)
Set the direction of the air outlet » page 116
▶  Air flow to the windows
▶  Air flow to the upper body
▶  Air flow into the footwell and to the body (warmer air directed to the
footwell than to the body)
▶  Air flow in the footwell
▶  Air flow to the windows and the footwell
Depending on equipment fitted:
▶  Auxiliary heating and ventilation on / switch off
» page 118
▶  Switching the windscreen heater on/off
» page 76
Control the seat heater on the front left seat » page 85
Switch the cooling system on/off
Switch the rear window heater on/off » page 76
Switch recirculation on/off » page 115
Control the seat heater on the front right seat » page 85
ABCD113Heating and ventilation

Information on the cooling system
The cooling system operates only if the following conditions are met
» page 112 .
The warning light below the button 
» Fig. 136 illuminates after activation,
even if not all of the conditions for the function of the cooling system have
been met. The lighting up of the indicator light in the button signals the opera-
tional readiness of the cooling system.
When the air distribution control is turned to position 
the cooling system is
activated.
Note
During operation of the manual air conditioning, an increase in engine idle
speed may occur under certain circumstances in order to ensure sufficient
heating comfort.
Climatronic (automatic air conditioning)
Fig. 137
Controls the Climatronic
Read and observe
and on page 113 first.
The Climatronic in automatic mode ensures the best-possible setting of the
temperature of the out-flowing air, the blower stage and air distribution.
Individual functions can be set or switched on by turning the dial or pressing
the corresponding key. When the function is switched on, a warning light
lights up within or below the button.
Some functions can also be operated in the infotainment » Owner´s Manual
Infotainment , chapter Adjustment of the heating and cooling system .
Functions of the individual controls » Fig. 137
Adjust the temperature for the left side (or for both sides) 1)
▶  Lower the temperature
▶  Increase the temperature
Interior temperature sensor
Adjust fan speed (the setting is indicated by the number of illuminated
control lamps shown in the knob) ▶ Turn to the left: Reduce speed up to turning off the Climatronic
▶ Turn to the right: Increase speed
Adjust the temperature for the right side (or for both sides) 2)
▶  Lower the temperature
▶  Increase the temperature
Display the temperature setting for the left side
Display the temperature setting for the right side
Depending on equipment fitted:
▶  Auxiliary heating and ventilation on / switch off
» page 118
▶  Switching Climatronic system off
»
Control the seat heater on the front left seat » page 85
Air flow to the windows
Air flow to the upper body
Air flow in the footwell
Switch recirculation on/off » page 115
Control the seat heater on the front right seat » page 85
Intensive de-icing or ventilation of the windscreen, switching on/off
Switch the rear window heater on/off » page 76
Switching the windscreen heater on/off » page 76
Climatronic set in the Infotainment » Owner´s Manual Infotainment
Synchronize the temperature inside the entire vehicle according to the
temperature setting on the driver's side
Switching automatic mode on » page 115
Switch the cooling system on/off 
ABCDEFG1)
Applies to left-hand drive vehicles.
2)
Applies to right-hand drive vehicles.
114Using the system

Setting temperature
The temperature can be adjusted on the Climatronic control unit or in the Info-
tainment » Owner´s Manual Infotainment , chapter Setting the heating and the
cooling system .
The temperature can be set between +16 °C and +29.5 °C. The temperature is
regulated automatically within this range.
Illuminates in the temperature display 
then the Climatronic works with max-
imum cooling (temperature setting below +16 °C).
Illuminates in the temperature display 
then the Climatronic works with maxi-
mum heating (temperature setting above +29.5 °C).
There is no automatic temperature control in the two end positions.WARNING■ Do not switch off the Climatronic system for longer than necessary.■Switch on the Climatronic system as soon as the windows mist up.
CAUTION
Do not cover the interior temperature sensor B » Fig. 137 as this could impair
the functioning of the Climatronic.
Note
■ During operation of the Climatronic, an increase in engine idle speed can oc-
cur under certain circumstances in order to ensure adequate heating comfort.■
When 
is switched on, the air flow to the windows 
is switched on. The
air flow to the windows will remain switched on after turning 
off.
■
Holding the button 
will turn on 
automatically.
Climatronic - automatic operation
Read and observe
and on page 113 first.
The automatic mode is used in order to maintain a constant temperature and
to demist the windows in the interior of the car.
Automatic mode can be switched off by pressing one of the buttons for the air
distribution or by increasing/decreasing the blower speed. The temperature
regulation is continued.
Operating modes
Automatic mode works in three modes - moderate, medium, and intensive.
Setting the individual operating modes » Owner´s Manual Infotainment , chap-
ter Setting the heating and the cooling system .
After the automatic mode is switched on, Climatronic works in the last selec-
ted mode.
The currently selected mode is displayed in the Infotainment display.
Note
Climatronic is set to the medium setting at the factory.
Air distribution control
Read and observe
and on page 113 first.
The recirculation mode prevents contaminated outside air getting into the In-
terior of the vehicle.
In recirculated air mode air is sucked out of the interior of the vehicle and then
fed back into the interior.
Switching on/off
›
Press the  button.
When the recirculation mode is activated, the warning light below the button
lights up.
Heating and manual air conditioning system
If the air distribution control is set to position  when the recirculation modes
is switched on, the recirculated-air mode is switched off. Recirculated air mode
can be switched on again from this setting by repeatedly pressing the symbol
button .
When the  is switched on and the temperature regulator is turned to the
left, the recirculated-air mode is switched on.
Climatronic
Climatronic may have an air quality sensor for the detection of the pollutant
concentration in the sucked-in air.
If a considerable increase in concentration of pollutants is recognised by the
air quality sensor, the recirculated air mode will be switched on automatically.
When the pollutant concentration decreases to the normal level, the recircula-
ted air mode is automatically switched off. 
115Heating and ventilation

This automatic on/off switching of the recirculated-air mode can be activated
or deactivated in the Infotainment » Owner´s Manual Infotainment , chap-
ter Setting the heating and the cooling system .
If the button 
is pressed when the recirculation modes is switched on, the
recirculated-air mode is switched off.
Depending on the moisture conditions in the vehicle interior the air recircula- tion may also shut-down automatically.WARNINGThe recirculation system cannot be switched on for a longer period of time,
because there is no supply of fresh air from the outside. “Stale air” may re-
sult in fatigue in the driver and occupants, reduce attention levels and also
cause the windows to mist up. The risk of having an accident increases.
Switch off recirculated air mode as soon as the windows start to mist up.
CAUTION
We recommend not smoking in the vehicle when the recirculating air operation
is switched on. The smoke sucked from inside the vehicle is deposited on the
evaporator of the air conditioner. This produces a permanent odour when the
air conditioning system is operating which can only be eliminated through con-
siderable effort and expense (replacement of compressor).
Note
The automatic activation/deactivation of the air recirculation with Climatronic
only works if the outside temperature is higher than approx. 2 °C.Air outlet ventsFig. 138
Air vents at the front
Fig. 139
Air vents at the rear
Read and observe
and on page 113 first.
The direction of airflow can be adjusted using the air outlet vents 3, 4
» Fig. 138 and 6 » Fig. 139 - the outlets can be opened and closed individually.
Changing the direction of air flow
›
To change the height of the air flow, swivel the horizontal fins with the mov-
able adjuster
A
» Fig. 138 or » Fig. 139 upward or downward.
›
To change the lateral direction of the air flow, turn the vertical fins with the
movable adjuster
A
» Fig. 138 or » Fig. 139 to the left or right. 
116Using the system

Note■The auxiliary heating only switches the blower 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 quite normal and is not an operat-
ing problem.
■
So that warm air can flow into the vehicle interior after switching on the aux.
heating, you must maintain the comfort temperature normally selected by you,
leave the fan switched on and leave the air outlet vents in open. It is recom-
mended to put the air flow in the position 
or 
.
Switching on/off
Fig. 140
Button for direct power on / off of the auxiliary heating (heating
and ventilation) on the front panel of the Climatronic / manual air condi-
tioning
Read and observe
and on page 117 first.
The auxiliary heating (heating and ventilation) (hereinafter referred to as a
heater) can be switched on and off as follows.
Switching on
▶ Manually with the symbol key  on the front panel of the Climatronic or the
manual air conditioning » Fig. 140.
▶ Manually with the symbol key  on the radio remote control.
▶ Via an automatically programmed and activated pre-set time in the Infotain-
ment.
▶ Automatically according to the ambient conditions »
.
Switching off
▶ Manually with the symbol key  on the front panel of the Climatronic or the
manual air conditioning » Fig. 140.
▶ Manually with the symbol key 
on the radio remote control.
▶ Via an automatically programmed and activated pre-set time in the Infotain-
ment.
▶ Automatically when the warning light 
in the instrument cluster illumi-
nates.
▶ Automatically according to the ambient conditions »
.
After switching the system off, the auxiliary heating will continue running a lit-
tle while longer in order to burn the remaining fuel in the auxiliary heater.
After switching off, coolant pump still runs for a short period.
Programming the auxiliary heating in the Infotainment
For vehicles with Climatronic: on the front panel of the Climatronic, press but-
ton 
→
.
For vehicles with manual air conditioning: on the Infotainment, press button 
→
.
When automatic switching on is activated, the indicator light in the symbol key
 lights up
» Fig. 140 for about 10 seconds after the ignition is turned off.
CAUTION
The automatic switching on and off the heating for rapid heating of the vehicle
interior can be disabled in the Infotainment » Owner´s Manual Infotainment ,
chapter Setting the heating and the cooling system .118Using the system

In Infotainment, the display is shown of up to three consumers which are cur-
rently showing the highest degree of fuel consumption » Owner´s Manual In-
fotainment , chapter CAR - vehicle settings .
Use the cooling system economically
The air conditioning system compressor uses power from the engine when in cooling mode, which will affect 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 on if the windows are open.
DriveGreen function
Fig. 152
Shown in the infotainment dis-
play
The DriveGreen function (hereinafter referred to as DriveGreen) evaluates the
driving efficiency based on the information respecting the driving style. Useful
tips for reducing fuel consumption are also offered.
DriveGreen can be displayed on the Infotainment as follows.
›
Press the button  in the Infotainment and then in the display the function
keys one after the other ,
DriveGreen
.
A
driving liquid display
With the driving is liquid the display is near the green dot. When accelerating
or braking, the indicator moves down or up.
B
“Green leaf”
The leaf margin shown in green shows with a few seconds, the current drive
efficiency. When driving economically there are several green layers on the
edge of the leaf. When driving less economically, no green colour appears and
the leaf can disappear completely.
C Graphical review summary
The evaluation of the driving economy during the last 3 minutes or 1.5 minutes
(depending on type of Infotainment) is shown like a beam in 5-second incre-
ments. The current status is shown on the left and moves gradually to the
right. The higher the green bars, the more economic the driving style is.D
Scoring
In the function key, the evaluation of driving efficiency is shown from the start
in the range from 0 to 100 points. The higher the indicated value, the more
economic the driving style is.
When you press the function key, a detailed assessment showing the driving
efficiency during the last 30 minutes is shown.
If the trip from the start, takes less than 30 minutes, then the assessment
takes in information from the previous trip (the bars are shown in dark green).
E
Average fuel consumption
In the function key, the average fuel consumption from the start is displayed.
When you press the function key a detailed overview of the average fuel con-
sumption during the last 30 minutes is shown.
If the trip from the start, takes less than 30 minutes, then the average fuel
consumption takes in information from the previous trip (the bars are shown in
dark green).
F
Symbols in the display
The display may show the following four symbols, which give information on
the current driving style.
Ecological trip
The current speed has a negative effect on fuel consumption. The driving is not liquid, drive with anticipation.
Recommended gear.
Tips for reducing fuel consumption
When tapping the “Page” the display shows useful tips on how to reduce fuel consumption. These tips can to be helpful to drive more economically.
Note
■ Resetting the single-trip memory “from start” also resets the average con-
sumption E and the driving assessment D.■
With some Infotainment types changing the units for the fuel consumption
indicator causes the resetting of the average fuel consumption values
E
.
133Starting-off and Driving

when the engine is restarted. This is not due to any system leakages but a
drop in pressure in the natural gas fuel tank due to technical reasons after a
cooling phase directly after refuelling.
The maximum lifetime of the gas tank is 20 years.
The capacity of the natural gas fuel tank is approximately 15 kg.
The capacity of the gasoline fuel tank is about 50 litres, of which about 6
lighters are in reserve.WARNING■
When refuelling, never get into the vehicle. If you have to get into your
vehicle in exceptional cases, touch a metal surface before you touch the
filling coupling again. This will avoid electrostatic discharges, which may
generate sparks. Sparks can cause a fire during refuelling.■
Natural gas is highly explosive and highly flammable.
Note
During the filling process sounds are heard which are harmless. If you are un-
sure which service station staff to use, ask the petrol station staff.
CNG
Fig. 202
Position of the CNG label(s).
Read and observe
and on page 189 first.
A G-TEC-vehicle may be operated with CNG and petrol.
In some countries, national legislation requires that vehicles with CNG opera-
tion be identified by one of the labels » Fig. 202.
Position of the CNG label » Fig. 202.
Natural gas quality and consumption
Depending on the natural gas supplier, the natural gas quality (heating value) may vary. The engine system adjusts automatically to the natural gas quality.
Automatically switching over from natural gas mode to petrol mode
The vehicle automatically switches from natural gas to petrol, for example, if
one of the following cases occurs. ▶ With an empty gas tank or not enough pressure in the tank.
▶ After refuelling with natural gas.
▶ At very low surrounding temperatures.
Use all the petrol in the fuel tank at lease once every six months until the
warning light 
illuminates and then refill with petrol. This is to ensure that
the fuel system functions correctly and to preserve the quality of the fuel.
Gas leak
If a gas leak is suspected (noticeable odour), proceed as follows. ▶ Stop the vehicle.
▶ Switch off the ignition.
▶ Put out any cigarettes, remove any spark-producing or incendiary items from
the vehicle and immediately switch the engine off.
▶ Open the doors and the boot lid to ventilate the vehicle sufficiently.
▶ Do not continue to drive if the odour persists.
▶ If it is not possible to leave an enclosed area with a vehicle with a gas leak
(e.g. in a tunnel, underpass, garage, ferry, etc.), call the emergency services
immediately.
Seek help from a specialist garage to correct the gas system fault.
In a traffic accident
If a gas leak is suspected in a traffic accident, proceed as follows.
▶ Switch off the ignition.
▶ Put out any cigarettes, remove any spark-producing or incendiary items from
the vehicle and immediately switch the engine off.
▶ Have all the occupants get out.
▶ Prevent people walking past/standing in the immediate vicinity of the acci-
dent vehicle. We recommend standing at least 10 metres from the vehicle.
▶ Inform the emergency services that it is a natural gas vehicle.
Regular gas system checks
Regular gas system checks must be carried out in a specialist workshop on
natural gas-powered vehicles. The vehicle owner is responsible for ensuring
tests are conducted properly. 193Inspecting and replenishing