SKODA OCTAVIA 2014 3.G / (5E) Owner's Manual

Page 201 of 280

WARNING (Continued)■If coolant is swallowed, consult a doctor immediately.■Never spill operating fluids over the hot engine - risk of fire.
CAUTION
■If for some reason it is not possible to top up the coolant under the current
circumstances,  do not continue driving! Switch off the engine and seek as-
sistance from a specialist garage.■
If the expansion tank is empty, do not top up with coolant. The system could
aerate - risk of engine damage, 
do not continue driving! Switch off the en-
gine and seek assistance from a specialist garage.

The amount of coolant additive in the coolant must never be allowed to be
less than 40 %.

Over 60 % of coolant additive in the coolant reduces the antifreeze protec-
tion and coolant effectiveness.

A coolant additive that does not comply with the correct specification can
significantly reduce the corrosion protection of the cooling system.

Any faults resulting from corrosion may cause a loss of coolant and can con-
sequently result in major engine damage!

Do not fill the coolant above the mark
A
» Fig. 188 on page 198 .

If an error occurs, leading to the engine overheating, the help of a professio-
nal garage is to be sought - there is a risk of serious engine damage occurring.

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.
Note
On vehicles that are fitted with an auxiliary heater (auxiliary heating and venti-
lation), the coolant capacity is approx. 1 l larger.
Checking the coolant level
Fig. 188
Coolant expansion reservoir
Read and observe and on page 197 first.
The coolant expansion bottle is located in the engine compartment.
Coolant expansion tank » Fig. 188
Mark for the maximum permissible coolant level
Mark for the lowest permissible coolant level
The coolant level should be kept between the marks
A
and
B
.
The coolant can be checked and topped up, if the following conditions are sat-
isfied.
The vehicle is standing on a horizontal surface.
The engine is turned off.
The engine is not heated.
The bonnet is open.
Checking the level

Check the coolant level in the coolant expansion tank » Fig. 188.
If the engine is warm, the test result may be inaccurate. The level can also be
above the mark
A
» Fig. 188 .
In the event of an insufficient coolant level, the control symbol  is displayed
in the instrument cluster as well as the relevant notification » page 41. We still
recommend inspecting the coolant level directly at the expansion tank from
time to time.
Loss of coolant
A loss of coolant is first and foremost an indication of a leak in the cooling sys-
tem. Do not merely top up the coolant. Have the cooling system checked by a
specialist garage.
Replenishing
Read and observe
and on page 197 first.
The coolant expansion tank must always contain a small amount of cool-
ant » page 198, in section Introduction .

Place a cloth over the cap of the coolant expansion reservoir and unscrew
the cap carefully .

Replenish the coolant.

Turn the cap until it clicks into place. 

AB198General Maintenance

Page 202 of 280

CAUTION■Only refill with new coolant.■Do not use an alternative additive if the specified coolant is not available. In
this case, use just water and have the correct mixing ratio of water and cool-
ant additive restored by a specialist garage as soon as possible.
Brake fluid
 Introduction
This chapter contains information on the following subjects:
Checking the brake fluid level
199
Specification
199
The brake fluid reservoir is located in the engine compartment » Fig. 189 on
page 199 .
WARNING■
The engine compartment of your car is a hazardous area. The following
warning instructions must be followed at all times when working in the en-
gine compartment » page 192.■
Do not use used brake fluid - the function of the brake system may be im-
paired – risk of accident!
CAUTION
■ Do not continue your journey if the fluid level has dropped below the “MIN”
marking » Fig. 189 on page 199 ,  do not continue driving - there is a risk of
an accident! Seek help from a specialist garage.■
Brake fluid damages the paintwork of the vehicle.
Note
■ The brake fluid is changed as part of a prescribed inspection services.■We recommend using brake fluids from the ŠKODA Original Accessories
range.Checking the brake fluid levelFig. 189
Brake fluid reservoir
Read and observe and on page 199 first.
The fluid can be checked if the following conditions are met.
The vehicle is standing on a horizontal surface.
The engine is turned off.
The bonnet is open.
Checking the level

Check the level of brake fluid in the reservoir » Fig. 189.
The level must be between the “MIN” and “MAX” markings.
A slight drop in the fluid level results when driving due to normal wear-and-
tear and automatic adjustment of the brake pads.
There may be an indication of a leak in the brake system, however, if the fluid
level drops significantly within a short time or if it drops below the “MIN” mark-
ing.
Too low brake fluid level is indicated by the warning light  being shown on
the display of the instrument cluster as well as the corresponding mes-
sage » page 35 .
Specification
Read and observe
and on page 199 first.
The brake fluid must comply with the following standards or specifications:› VW 50114;
› FMVSS 116 DOT4.
199Inspecting and replenishing

Page 203 of 280

Vehicle battery
Introduction
This chapter contains information on the following subjects:
Opening the cover
201
Checking the battery electrolyte level
201
Charging
202
Replacing
202
Disconnecting and reconnecting
202
Automatic load deactivation
203
The vehicle battery represents a power source for the motor to start and for
the supply of electrical consumers in the car.
Warning symbols on the vehicle battery
SymbolMeaningAlways wear eye protection!Battery acid is severely caustic. Always wear gloves and eye pro-
tection!Keep fire, sparks, open flames and lit cigarettes well clear of the
vehicle battery!When charging the vehicle battery, a highly explosive gas mixture
is produced!Keep children away from the vehicle battery!WARNINGThere is a risk of injuries, poisoning, chemical burns, explosions or fire
when carrying out any work on the battery and on the electrical system.
The general applicable safety rules and the following warnings must be ob-
served without exception.■
Keep the vehicle battery away from people who are not completely inde-
pendent, especially children.
WARNING (Continued)■ Do not tilt the battery otherwise battery electrolyte may flow out of the
battery vent openings. Protect your eyes by safety glasses or a face shield
– risk of blindness!■
Always wear protective gloves, eye and skin protection when handling
the vehicle battery.

The battery acid is strongly corrosive and must, therefore, be handled
with the greatest of care.

Corrosive fumes in the air irritate the air passages and lead to conjunctivi-
tis and inflammation of the air passages in the lungs.

Battery acid corrodes dental enamel and creates deep wounds after con-
tact with the skin which take a long time to heal.

If any battery electrolyte comes into contact with your eyes, rinse the rel-
evant eye immediately with clear water for several minutes - consult a doc-
tor immediately!

Splashes of acid on your skin or clothes should be neutralised as soon as
possible using soap suds and then rinsed with plenty of water.

If you swallow battery acid, seek immediate medical assistance!
WARNING■ The use of open flames and light should be avoided.■Smoking and radio triggering activities should be avoided.■
Never use a damaged vehicle battery – risk of explosion!

Never charge a frozen or thawed vehicle battery – risk of explosion and
caustic burns!

Replace a frozen vehicle battery.

Never jump-start vehicle batteries with an electrolyte level that is too low
– risk of explosion and caustic burns.
CAUTION
■ Improper handling of the vehicle battery may cause damage.■Ensure that battery acid does not come into contact with the bodywork – risk
of damage to the paintwork.■
If the vehicle has not been driven for more than 3 to 4 weeks, the battery will
discharge. Prevent the battery from discharging by disconnecting the battery's
negative terminal 
or continuously charging the battery with a very low
charging current. 
200General Maintenance

Page 204 of 280

■Do not place the battery in direct daylight in order to protect the vehicle bat-
tery housing from the effects of ultra-violet light.■
If the vehicle is frequently used for making short trips, the vehicle battery
will not have time to charge up sufficiently and may discharge.
For the sake of the environment
A vehicle battery that has been removed is a special type of hazardous waste.
These must be disposed of in accordance with national legal regulations.
Note
■ We recommend having all work on the vehicle battery carried out by a spe-
cialist garage.■
You should replace batteries older than 5 years.
Opening the cover
Fig. 190
Polyester cover of vehicle bat-
tery
Read and observe and on page 200 first.
The battery is located in the engine compartment. For some equipment var-
iants, it is located underneath a polyester cover » Fig. 190.

Fold out the cover on the battery in the direction of the arrow.
The battery cover is installed in reverse order.
Checking the battery electrolyte levelFig. 191
Vehicle battery: Electrolyte level
indicator
Read and observe and on page 200 first.
On vehicles with a vehicle battery fitted with a colour indicator » Fig. 191, the
electrolyte level can be determined by looking at the change in colour of this
display.
Air bubbles can influence the colour of the indicator. For this reason carefully
knock on the indicator before carrying out the check.
› Black colour – electrolyte level is correct.
› Colourless or light yellow colour – electrolyte level too low, the battery must
be replaced.
Vehicles with a START-STOP system are fitted with a battery control unit for
checking the energy level for the recurring engine start.
We recommend that you have the acid level checked regularly by a specialist
garage, especially in the following cases.
› High external temperatures.
› Longer day trips.
› After each charge.
Winter time
The vehicle battery only has a proportion of the starting power in lower tem-
peratures. A discharged vehicle battery may already freeze at temperatures
just below 0 °C .
We therefore recommend that you have the battery checked and, if necessary,
recharged by a specialist garage before the start of the winter. 
201Inspecting and replenishing

Page 205 of 280

Note■The battery acid level is also checked regularly by a specialist garage as part
of the inspection service.■
For technical reasons, on vehicles with the description “AGM”, the electrolyte
level cannot be checked.
Charging
Read and observe
and on page 200 first.
A properly charged vehicle battery is essential for reliably starting the engine.
A charging operation can be performed if the following conditions are satis-
fied.
The engine is turned off.
The ignition is switched off.
All consumers are turned off.
The bonnet is open.
“Fast charging” with high currents

Disconnect both battery cables (first of all “negative”, then “positive”).

Attach the terminal clamps of the charger to the battery terminals (red =
“positive”, black = “negative”).

Plug the mains cable of the charger into the power socket and switch on the
device.

After charging has been successful: Switch off the charger and remove the
mains cable from the power socket.

Only then disconnect the charger's terminal clamps.

Reconnect the cables to the battery (first of all “positive”, then “negative”).
Charging with low voltages
It is not necessary to disconnect the cables from the battery if you recharge
the vehicle battery, for example from a mini-charger.
Refer to the instructions of the charger manufacturer .
A charging current of 0.1 multiple of the total vehicle battery capacity (or low-
er) must be used until full charging is achieved.
The vent plugs of the vehicle battery should not be opened for charging.
WARNING■ When you charge a battery, hydrogen is released, and a highly explosive
gas mixture is also produced. An explosion can be caused through sparkling
over during unclamping or loosening of the cable plug while the ignition is
on.■
Creating a bridge between the poles on the battery (e.g. with metal ob-
jects - cables) creates a short circuit - risk of damage to the battery, explo-
sion and burning of the battery, jets of acid spurting out.

Avoid creating sparks when working with cables and electrical devices.
Strong sparking represents a risk of injury.

Before carrying out any work on the electrical system, switch off the en-
gine, the ignition and all electrical components and disconnect the negative
terminal 
.

“Quick-charging” the vehicle battery is dangerous and requires a special
charger and specialist knowledge.

We therefore recommend that vehicle batteries be “rapidly charged” by a
specialist garage.
CAUTION
On vehicles with the START/STOP system or additional heating (auxiliary heat-
ing), do not connect the pole terminal of the charger directly to the negative
terminal of the vehicle battery, but rather only to the engine earth » page 220,
Jump-starting using the battery from another vehicle .
Replacing
Read and observe
and on page 200 first.
The new vehicle battery must have the same capacity, voltage, current and
size as the original battery. Suitable vehicle battery types can be purchased
from a specialist garage.
We recommend having the battery replaced by a specialist garage, where the
new vehicle battery will be installed properly and the original battery will be
disposed of in accordance with national regulations.
Disconnecting and reconnecting
Read and observe
and on page 200 first.
Disconnecting

Switch off the ignition. 
202General Maintenance

Page 206 of 280

›Firstly disconnect the battery's negative terminal
, followed by the positive
terminal .
Connecting›
Firstly connect the battery's positive terminal 
, followed by the negative
terminal 
.
After disconnecting and re-connecting the vehicle battery, the following func- tions or devices are partially or completely inoperative.
Function / deviceOperating measureElectrical power windows» page 66Panorama sliding/tilting roof» page 68Sun screen» page 70
Radio or navigation system
Enter code » Operating instruc-
tions for Infotainment Radio
or » Operating instructions for
Infotainment NavigationTime settings» page 33
CAUTION
■ Disconnect the vehicle battery only with the ignition turned off - there is a
risk of damaging the electrical system of the vehicle.■
Under no circumstances must the battery cables be connected incorrectly –
risk of a cable fire.
Note
■ After disconnecting and re-connecting the vehicle battery, we recommend
having the vehicle checked by a specialist to ensure that the full functionality
of all electrical systems is guaranteed.■
The data of the multi-function display will be reset.
Automatic load deactivation
Read and observe
and on page 200 first.
The vehicle voltage control unit automatically prevents the battery from dis-
charging when the bettery is subjected to heavy loads. This manifests itself by
the following.
› The idling speed is raised to allow the generator to deliver more electricity to
the electrical system.
› Where appropriate large convenience consumers, e.g. seat heaters, rear win-
dow heaters, have their power limited or in case of emergency shut off com-
pletely.
CAUTION
■ Despite such intervention by the vehicle electric system management, the
vehicle battery may be drained. For example, when the ignition is switched on
a long time with the engine turned off or the side or parking lights are turned
on during longer parking.■
Consumers which are supplied via a 12 V socket can cause the vehicle battery
to discharge when the ignition is switched off.
Note
Driving comfort is not disrupted by any shutting off of consumers. Often the
driver is not aware of it having taken place.203Inspecting and replenishing

Page 207 of 280

Wheels
Tyres and wheel rims
Introduction
This chapter contains information on the following subjects:
Notes on using wheels
204
Tyre pressure
204
Tyre wear
205
Tyre wear indicator and wheel replacement
206
Tyre damage
206
Unidirectional tyres
206
Only use those tyres or wheel rims which have been approved by ŠKODA for
your model of vehicle.
WARNINGThe national legal requirements must be observed for the use of tyres.WARNINGFor safety reasons, do no replace tyres individually.
For the sake of the environment
Old and unserviceable tyres represent hazardous waste that is harmful to the environment. These must be disposed of in accordance with national legal reg-
ulations.
Note
■ We recommend that any work on the wheels or tyres be carried out by a spe-
cialist garage.■
We recommend that you use wheel rims, tyres, full wheel trims and snow
chains from ŠKODA Original Accessories.
Notes on using wheels
Read and observe
on page 204 first.
During the first 500 km, new tyres do not offer optimum grip and appropriate
care should therefore be taken when driving.
Always fit the tyres with the deeper tread depth to the front wheels.
Tyre storage
Mark them previously used tyres so that you are able to fit them on again to
run in the same direction.
Always store wheels or tyres in a cool, dry and, where possible, dark place.
Tyres which are not fixed to a wheel trim should be stored upright.
Tyre age
Tyres age losing their original characteristics, even if they are not used. The
service life of the tyres is 6 years. Therefore, we recommend not using tyres
that are more than 6 years old.
Wheel bolts
Wheels and wheel bolts are matched to each other in terms of design. We rec-
ommend that you use wheel rims and wheel bolts from ŠKODA Original Acces-
sories.WARNINGNever use tyres if you do not know anything about the condition and age.
Tyre pressure
Fig. 192
Label with a table of tyre sizes and tyre pressures/inflating the
tyres
Read and observe
on page 204 first.
The tyre pressure must always be adjusted to match the load. The specified
tyre pressures can be found on label
A
» Fig. 192 . 
204General Maintenance

Page 208 of 280

Label with prescribed tyre inflation pressure values » Fig. 192
Position of the CNG label
Inflation pressure for half load
Inflation pressure for increased driving comfort at half load
Inflation pressure for full load
As a result of adjusting the pressure to the value C
for increased driving com-
fort, fuel consumption may slightly increase.
Checking the tyre pressures
Check the tyre pressure, including that of the spare wheel, at least once a
month and also before setting off on a long journey.
Always check the inflation pressure when the tyres are cold. Do not reduce the
higher pressure on warm tyres.
In vehicles with tyre pressure monitoring, tyre pressure values must be saved
each time the pressures are changed » page 167.
WARNING■
Having the correct tyre inflation pressure is always the driver's responsi-
bility.■
Too low or too high inflation pressure impairs handling.

If the inflation pressure is too low, the tyre must perform a greater rolling
resistance. At higher speeds the tyre will warm up as a result of this. This
can result in tread separation and a tyre blowout.

In the event of very fast pressure loss, e.g. in the event of sudden tyre
damage, an attempt should be made to bring the vehicle carefully to a stop
without sudden steering movements and without any hard braking.
For the sake of the environment
Tyres which are insufficiently inflated increase your fuel consumption.
Note
In some countries, the vehicles have a label without pictograms.
Tyre wear
Read and observe
on page 204 first.
The tyre wear depends on the tyre pressure, the driving style and other condi-
tions.
Attention to the following notes may affect tyre wear.
ABCDDriving style
Fast cornering, sharp acceleration and braking increase the wear of your tyres.
Wheel balance
The wheels of a new vehicle are balanced. When driving, there are a wide
range of influences which may result in an imbalance. This may become appa-
rent by a “vibration” in the steering. If this is the case, have the wheels
checked by a specialist garage.
Have the wheels rebalanced after replacing or repairing the tyres.
Setting the vehicle geometry
Incorrect wheel alignment at the front or rear leads to excess wear on the
tyres and impairs driving safety. In the event of prominent tyre wear, we rec-
ommend that you have the setting of the vehicle geometry checked at a spe-
cialist garage.WARNING■ An incorrect wheel alignment at the front or rear impairs handling.■Unusual vibrations or pulling of the vehicle to one side could be a sign of
tyre damage. If there is any doubt that a wheel is damaged, immediately re-
duce your speed and stop! If no external tyre damage is evident, drive slow-
ly and carefully to the nearest specialist garage to have the vehicle
checked.205Wheels

Page 209 of 280

Tyre wear indicator and wheel replacementFig. 193
Principle sketch: Replace tire tread with wear indicators / wheels
Read and observe
on page 204 first.
Wear indicators
There is a 1.6-mm-high wear indicator » Fig. 193 -
 in the base of the tread of
the tyres. In some countries, different tyre wear rates may apply.
Markings on the walls of the tyres through the letters “TWI”, triangular sym- bols or other symbols identify the position of the wear indicators.
Replacing the wheels
For uniform wear on all tyres, we recommend that you replace the wheels ev-
ery 10,000 km as shown in the diagram » Fig. 193-
 . You will then obtain ap-
proximately the same life for all the tyres.
After changing the wheel, the tyre pressure must be adjusted.
In vehicles with tyre pressure monitoring, tyre pressure values must be
saved » page 167 .
WARNING■
You must have your tyres replaced with new ones at the latest when the
wear indicators have been worn down.■
Worn tyres do not provide the necessary adhesion to the road surface
particularly at high speeds on wet roads. One could experience “aquaplan-
ing” (uncontrolled movements of the vehicle – “swimming” on a wet road
surface).
Tyre damage
Read and observe
on page 204 first.
We recommend checking your tyres and wheel rims for damage (punctures,
cuts, splits and bulges, etc.) on a regular basis. Remove foreign bodies (e.g.
small stones) from the tyre profile immediately.
Drive over kerbs and other such obstacles slowly and perpendicularly wher-
ever possible in order to avoid damage to tyres and wheel trims.
Immediately replace damaged wheel rims or tyres.
WARNINGNever drive with damaged tyres – risk of accident.
CAUTION
The tyres must be protected from contact with substances such as oil, grease
and fuel, which could damage them. If the tyres come into contact with these
substances, then we recommend having them checked out in a specialist ga-
rage.
Unidirectional tyres
Read and observe
on page 204 first.
The direction of rotation of the tyres is marked by arrows on the wall of the
tyre .
The indicated direction of rotation must be adhered to in order to obtain the
best benefits from the characteristics of these tyres.
These characteristics are mainly.
› Increased driving stability.
› Reduced risk of aquaplaning.
› Reduced tyre noise and reduced tyre wear.
206General Maintenance

Page 210 of 280

Manufacturer-approved tyre variants
Introduction
This chapter contains information on the following subjects:
Explanation of the tyre labelling
207
Octavia
208
Octavia GreenLine
208
Octavia G-TEC
209
Octavia Scout
209
Octavia RS
209
Approved tyre variants must be selected firstly for the model variant (Octavia
GreenLine, Octavia Scout etc.) and then according to the engine size of your
vehicle. If the model variant of your vehicle cannot be found in a separate
module, then the approved tyre variants must be selected according to the en-
gine size of your vehicle in module » page 208, Octavia .
Only fit radial tyres of the same type, size (rolling circumference) and the same
tread pattern on one axle on all 4 wheels.
When fitting new tyres, the tyres must be replaced axle by axle.
The information listed in the table corresponds to the information available at
the time of going to press.
The approved tyre/rim combinations for your vehicle can be found in the sales
and technical vehicle documentation.
Explanation of the tyre labelling
Explanation of tyre markings
For example, 195/65 R 15 91 T means:
195Tyre width in mm65Height/width ratio in %RCode letter for the type of tyre – Radial15Diameter of wheel in inches91Load indexTSpeed symbol
The date of manufacture is stated on the tyre wall (possibly on the inside).
For example, DOT ... 11 14... means that the tyre was manufactured in the 11th
week of 2014.
The marking M+Smeans that the associated tyre is suitable for winter use.
Load index
The load index indicates the maximum permissible load for each individual
tyre.Load index8889909192939495Load
(In kg)560580600615630650670690
Speed symbol
The maximum speed symbol indicates the maximum permissible vehicle speed
with fitted tyres in each category.
Speed iconSTUHVWYMaximum speed
(in km/h)180190200210240270300WARNING■ Never exceed the maximum permissible load bearing capacity of moun-
ted tyres.■
Never exceed the maximum permissible speed for the mounted tyres.
CAUTION
The information about load index and speed symbol can be found in the in the
sales and technical vehicle documentation.207Wheels

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