2015 SKODA OCTAVIA change key battery

 Engine performance check (petrol engine)Read and observe
on page 32 first.
 illuminates – there is a fault in the engine management system. The system
makes possible operation emergency mode - there may be a noticeable reduc-
tion in engine performance.
Seek help from a specialist garage.
 Safety systems
Read and observe
on page 32 first.
System fault
 illuminates - there is a fault in the airbag system.
Error: airbagAIRBAG ERROR
Seek help from a specialist garage.
The front passenger airbag has been disabled with the key switch
 Illuminates for around 4 seconds after the ignition has been switched on.

 under the letters


 in the middle of the dash panel illumi-
nates after switching on the ignition » page 19.
One of the airbags or a belt tensioner has been disabled by the diagnostic
tool
 illuminates for approximately 4 seconds after the ignition is switched on
and then flashes for approximately 12 seconds.
Airbag/ belt tensioner deactivated.AIRBAG/ BELT TENSIONER OFF
ProActive passenger protection
 illuminates and the following message is shown in the information cluster
display.
Proactive passenger protection not available.PROACTIVE PASSENGER PROTECT NOT AVAIL
or
Proactive passenger protection: funct. restricted.LIMITED PROACTIVE PASSENGER PROTECTThe seat belt for the driver and front passenger needs to be replaced. Seek
help from a specialist garage.WARNINGWhen a fault in the airbag system occurs, there is a risk of the system not
being triggered in the event of an accident. Therefore, this must be
checked immediately by a specialized garage.
 Tyre pressure
Read and observe
on page 32 first.
Change of tyre pressure values
 illuminates – there was a pressure change in one of the tyres.
An audible signal sounds as a warning.
›
Immediately reduce speed and avoid sudden steering and braking manoeu-
vres.
›
Stop the vehicle, turn the ignition off and check the tyres and their inflation
pressure » page 205 .
›
Correct the tyre pressure if necessary or replace the affected wheel
» page 213 or use the repair kit » page 217.
›
Store the tyre pressure values in the system » page 165.
System fault
 flashes for approximately 1 minute and remains lit – there may be a fault in
the tyre pressure monitoring system.
›
Stop the vehicle, turn the ignition off and start the engine again.
If the warning light  flashes after starting the engine again, there is a system
error.
Seek help from a specialist garage.
Disconnecting the vehicle battery
If the vehicle's battery has been disconnected and reconnected, the indicator
light  comes on after switching on the ignition.
The warning light should go out after driving a short distance.
If, after a short drive, the indicator light does not go out, there is a system er-
ror.
Seek help from a specialist garage. 
35Instruments and warning lights

Failure of the system KESSY
If the following message is displayed in the display of the instrument cluster,
then help is required from a specialist company.Keyless access system faulty.KEYLESS ACCESS SYSTEM FAULTY
Key battery discharged
If the voltage of the key battery is too low, the following message appears in
the display of the instrument cluster.
Change the key battery!KEY BATTERY PLEASE CHANGE
Replace the battery » page 223.
Anti-theft alarm system

Introduction
This chapter contains information on the following subjects:
Interior monitor and towing protection
58
The anti-theft alarm system (hereinafter referred to as alarm system) increa-
ses protection against theft and break-in attempts into the vehicle.
The anti-theft alarm system is activated automatically approximately 30 sec-
onds after the vehicle is locked. This is automatically disabled after release.
The alarm system triggers audible and visual signals if an attempt is made to
break into the vehicle (hereafter referred to as alarm).
Triggering the alarm
The alarm is triggered when the following unauthorized actions are carried out
on the locked vehicle.
▶ Opening the bonnet.
▶ Opening the boot lid.
▶ Opening the doors.
▶ Manipulation of the ignition lock.
▶ Towing the vehicle.
▶ Movement in the vehicle.
▶ Sudden and significant voltage drop of the electrical system.
▶ Uncoupling the trailer.
If the driver's door of a vehicle is unlocked and opened by the lock cylinder,
then the alarm is triggered.
Switching off the alarm
The alarm is turned off by pressing the  button on the key or switching on
the ignition.
CAUTION
Before leaving the vehicle, it must be checked that all of the windows, doors
and the sliding/tilting roof are locked in order to ensure the full functionality of
the anti-theft alarm system.
Note
The alarm system has its own power source. The working life of the power
supply source is 5 years.
Interior monitor and towing protection
Fig. 43
Button for interior monitor and
towing protection
Read and observe on page 58 first.
The interior monitor detects movements inside the locked vehicle and then
triggers the alarm.
The anti-towing detects tilts in the locked vehicle and then triggers the alarm.
Deactivate the interior monitor and the towing protection if there is a possibili-
ty of the alarm being triggered by movements (e.g. by children or animals)
within the vehicle interior or if the vehicle has to be transported (e.g. by train
or ship) or towed.
Deactivating
›
Switch off the ignition.
›
Open the driver door.
›
Press the symbol key 
on the B column of the driver's side » Fig. 43.
The illumination of the symbol 
in the button changes from red to orange.
›
Lock the vehicle within 30 seconds. 
58Using the system

Remote control
Introduction
This chapter contains information on the following subjects:
Replacing the battery in the remote control key
223
Synchronising the remote control
223
replace battery in the remote control the auxiliary heating (auxiliary
heating)
223
CAUTION
■ We recommend having faulty rechargeable batteries replaced by a ŠKODA
service partner.■
Pay attention to the correct polarity when changing the battery.
Note
If a key has an affixed decorative cover, this will be destroyed when the bat-
tery is replaced. A replacement cover can be purchased from a ŠKODA Partner.
Replacing the battery in the remote control key
Fig. 230
Remove cover/take out battery
Read and observe
on page 223 first.
The battery change is carried out as follows.
›
Flip out the key.
›
Press off the battery cover
A
» Fig. 230 with your thumb or by using a flat
screwdriver in region
B
.
›
Open the battery in the direction of the arrow
1
.
›
Remove the discharged battery in the direction of arrow
2.› Insert the new battery.›Insert the battery cover A and press it down until it clicks audibly into place.
Synchronising the remote control
Read and observe
on page 223 first.
If the vehicle does not unlock when pressing the remote control, the key may
not be synchronised. This can occur when the buttons on the remote control
key are actuated a number of times outside of the operative range of the
equipment or the battery in the remote control key has been replaced.
Synchronise the key as follows.
›
Press any button on the remote control key.
›
Unlock the door with the key via the lock cylinder within 1 minute of pressing
the button.
replace battery in the remote control the auxiliary heating
(auxiliary heating)
Fig. 231
Radio remote control: Battery
cover
Read and observe on page 223 first.
The battery is located under a cover on the back of the radio remote control
» Fig. 231 .
›
Insert a flat, blunt object, such as a coin, into the gap of the battery cover.
›
Turn the cover against the direction of the arrow up to the mark to open the
cover.
›
Replace the battery.
›
Return the battery cover.
›
Turn the cover in the direction of the arrow up to the initial marking, engage.
223Emergency equipment, and self-help

Avoiding damage to your vehicle134
B
Bags on the backs of the front seats
96
Ball head Check fitting
170
Ready position168
Ball rod Ready position
168
Battery In the remote control key
223
Belts11
Belt tensioners13
Bonnet Closing
195
Opening195
Boot Class N1 vehicles
107
See Boot lid59
Boot lid automatic locking
59
Closing59
Opening59
Brake information messages
32
warning light32
Brake Assist (HBA)137
Brake booster127
brake fluid specification
201
Brake fluid200
Checking200
information messages32
Brake linings warning light
36
Brake pedal (automatic transmission) Warning light
37
Brakes Brake booster127
Brake fluid200
Braking and stabilisation systems135
Handbrake127
Running-in132
Brakes and parking126
Brake system135
Braking Information on braking
126
Bulbs Replacing
230
Buttons in the doors electric window lifters
62
C
Camera Lens care
185
Camera lens care
185
Car computer see multifunction display
41
Care and maintenance178
Cargo element106
Caring for the vehicle exterior Towing hitch
186
Car park128
Car park ticket holder90
Carrier Roof rack
110
Cavity protection185
Central locking53
Problems57
Central locking button55
Change bulb for additional parking light
232
bulb for fog lights - Version 1232
bulb for fog lights - Version 2233
bulb for high beam232
bulb for the parking light232
bulb in the rear light - Version 1235
bulb in the rear light - Version 2235
daytime running light bulb232
light bulb in tail light234
Changing Engine oil
197
Wheels213
Changing a wheel Follow-up tasks
216
Preparation213
Changing wheels Wheel removal and fix
216
Charging a vehicle battery203
Check Fit ball head properly
170
Checking Battery electrolyte level
202
Brake fluid200
Coolant199
Engine oil198
Oil level198
Windscreen washer fluid196
Checks Statutory checks
178
Children and safety20
Child safety Side airbag
22
Child safety lock57
Child safety seat Use of child safety seats
22
Child seat Classification
22
ISOFIX23
on the front passenger seat21
TOP TETHER25
Use of ISOFIX child seats24
Chrome parts Refer to vehicle maintenance
184
Cigarette lighter92
250Index

Trailer operation167, 176
Trailer stabilization system (TSA)138
Transmission Warning messages
37
Transport Luggage compartment
100
Roof rack110
Transporting89
Transporting children safely20
TSA138
Turn signal69
Turn signal system Warning light
36
Tyre Explanation of the label
208
see wheels208
Tyre load-bearing capacity see Wheels
208
Tyre pressure205
Warning light35
Tyre pressure monitoring165
Display35
Infotainment display166
Saving tyre pressure values165
Saving tyre pressure values - button166
Saving tyre pressure values - Infotainment166
Tyre repair General information
218
Preparations218
Pressure test219
Sealing and inflating the tyre218
Tyres205
Damage207
new132
Tyre pressure205
Wear206
Wear indicator207
Tyre size208
see wheels208
U
Under-body Vehicle care
186
Under-body protection186
Unlocking Individual settings
56
KESSY55
Key54
Remote control54
Unlocking and locking53
USB99
Used vehicles Acceptance and recycling
181
Useful equipment 230-volt socket
97
Ashtray92
Car park ticket holder90
Cigarette lighter92
Clothes hook96
Cup holders91
Glasses compartment95
Multimedia holder94
Removable through-loading bag98
Storage compartment89
Using the selector lever129
V
Variable loading floor
107
Dividing the luggage compartment109
Folding up108
Position change108
Vehicle battery Automatic load deactivation
204
charging203
Checking the battery electrolyte level202
Cover202
Operation in winter202
Replacing203
Safety instructions201
Warning light37
Vehicle care Alcantara
187
Anodized parts184
Artificial leather187
Cavity protection185
Chrome parts184
Cleaning vehicle exterior182
Cleaning wheels185
Decorative and protective films183
Door locking cylinder185
Headlight glasses185
Interior care186
Jack185
Maintenance183
Materials187
Natural leather187
Plastic parts184
Polishing vehicle paint work183
Rubber seals184
Safety belt188
Seat covers188
Under-body protections186
washing181
Vehicle condition see Auto-check control
40
Vehicle data sticker236
Vehicle data sticker and nameplate Vehicle data sticker and nameplate
236
Vehicle dimensions240, 241
Vehicle height240, 241
Vehicle Identification Number (VIN)236
Vehicle length240, 241
Vehicle tool kit212
Vehicle width240, 241
vest holder for reflective vest
211
VIN Vehicle Identification Number
236
259Index