brakes SKODA OCTAVIA TOUR 2010 1.G / (1U) Columbus Navigation System Manual

Contents3
Using the system
Safety
Driving Tips
General Maintenance
Breakdown assistance
Technical Data
ContentsLayout of this Owner's Manual
(explanations)
. . . . . . . . . . . . . . . . . . . . . . . . . .
Using the system
. . . . . . . . . . . . . . . . . . . . . .
Cockpit
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Quick Reference Guide
. . . . . . . . . . . . . . . . . . . . . . .
Basic functions and important information . . . . .
Instruments and warning lights
. . . . . . . . . . . . . . .
Overview of the instrument cluster . . . . . . . . . . . . .
Engine revolutions counter . . . . . . . . . . . . . . . . . . . .
Coolant temperature gauge . . . . . . . . . . . . . . . . . . .
Fuel gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Speedometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Counter for distance driven . . . . . . . . . . . . . . . . . . .
Service Interval Display . . . . . . . . . . . . . . . . . . . . . . .
Digital clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Multi-functional indicator (onboard computer)*
Information display* . . . . . . . . . . . . . . . . . . . . . . . . . .
Auto Check Control . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warning lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unlocking and locking
. . . . . . . . . . . . . . . . . . . . . . . .
Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Changing the battery of the radio remote control
Electronic immobiliser . . . . . . . . . . . . . . . . . . . . . . . .
Locking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Child safety lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Central locking system* . . . . . . . . . . . . . . . . . . . . . . .
Remote control* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Synchronisation of the remote control . . . . . . . . . .
Anti-theft alarm system* . . . . . . . . . . . . . . . . . . . . . .
Power windows* . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electric sliding/tilting roof* . . . . . . . . . . . . . . . . . . . .
Lights and Visibility
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Visibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Windshield wiper and wash system . . . . . . . . . . . . .
Rear-view mirror . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Seats and Storage
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adjusting front seats electrically* . . . . . . . . . . . . . . .
Head restraints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pedals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
luggage compartment . . . . . . . . . . . . . . . . . . . . . . . . .
Net partition (Combi)* . . . . . . . . . . . . . . . . . . . . . . . .
The roof rack* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Note holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ashtray* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cigarette lighter*, power sockets . . . . . . . . . . . . . . .
Storage compartments . . . . . . . . . . . . . . . . . . . . . . . .
Heating and air conditioning system
. . . . . . . . . .
Air outlet vents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air conditioning system* . . . . . . . . . . . . . . . . . . . . . .
Climatronic* (automatic air conditioning) . . . . . . .
Starting-off and Driving
. . . . . . . . . . . . . . . . . . . . . . .
Setting steering wheel position . . . . . . . . . . . . . . . . .
Ignition lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starting the engine . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Switching off the engine . . . . . . . . . . . . . . . . . . . . . . .
Shifting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Handbrake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear parking aid* . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cruise control system (CCS)* . . . . . . . . . . . . . . . . . . .
Communication
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mobile phone, handsfree-system* . . . . . . . . . . . . .
Mobile phones and two-way radio systems . . . . .
Safety
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Passive Safety
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Basic information . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Correct seated position . . . . . . . . . . . . . . . . . . . . . . .
Seat belts
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Why seat belts? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
The physical principle of a frontal collision . . . . . .
Important safety information regarding the use of seat
belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
How are seat belts correctly fastened? . . . . . . . . . .
Belt tensioners . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Airbag system
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Description of the airbag system . . . . . . . . . . . . . . .
Front airbags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Side airbags* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Deactivating an airbag . . . . . . . . . . . . . . . . . . . . . . . .
Transporting children safely
. . . . . . . . . . . . . . . . . .
What you should know about transporting children!
Child seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Attaching a child seat using the “ISOFIX” system .
Driving Tips
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Intelligent Technology
. . . . . . . . . . . . . . . . . . . . . . . .
Electronic stability programme (ESP)* . . . . . . . . . .
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brake booster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Antilock brake system (ABS)* . . . . . . . . . . . . . . . . . .
Brake Assist* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6799101016161616171717181919222325333334343435353940404144
464650515254565657596062636870717273747777777982878787888990909192
94949497979798102102103103104107108108109111113115115118121123123123125126126127
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Instruments and warning lights27
Using the system
Safety
Driving Tips
General Maintenance
Breakdown assistance
Technical Data
Fog lights
*
The warning light
 comes on when the fog lights are operating.
Rear fog light

The warning light
 comes on when the rear fog lights are operating page 47.
Electronic immobiliser

Data is compared between the ignition key and the control unit when switching on the
ignition. The indicator light

will light up for a few seconds when ignition key
authorisation is confirmed.
The warning light will start flashing continuous ly if a non-authorised ignition key (for
example the wrong ignition key) has be en used. The engine cannot be started
 page 34.
It is only possible to start the engine of the vehicle with a Genuine Škoda key with the
matching code.
The following text will be displayed in the information display*:
IMMOBIL. ACTIVATED
Bulbs

The warning light
 comes on if a bulb is faulty:

Brakes applied (brake light);

Switching on the lights (front low beam or rear parking lights).
A peep sounds as an additional warning signal.
Control system for exhaust

The warning light
 comes on after the ignition has been switched on.
If the warning light does not go out after star ting the engine or it lights up or flashes
when driving, a fault exists in an exhaust relevant component. The engine manage- ment system selects an emergency programme which enables you to drive to the
nearest specialist garage by adopting a gentle style of driving.
The following text will be displayed in the information display*:
EMISSIONS WORKSHOP!
EPC fault light

(petrol engine)
The
 (Electronic Power Control) warning light comes on for a few seconds when the
ignition is switched on.
If the warning light
 does not go out or lights up after starting the engine, a fault
exists in the engine control. The engine management system selects an emergency
programme which enables you to drive to the nearest specialist garage by adopting a
gentle style of driving.
The following text will be displayed in the information display*:
ENGINE WORKSHOP!
Glow plug system

(diesel engine)
The warning light
 lights up for a cold engine when switching on the ignition (pre-
heat position) 2  page 87. Start the engine just as s oon as the indicator light goes out.
The glow plug indicator light will come on for about 1 second if the engine is at a
normal operating temperature or if the outside temperature is above +5°C. This
means that you can start the engine right away.
There is a fault in the glow plug system if the warning light
 does not come on at
all or lights up continuously . Contact a specialist garage as soon as possible to obtain
assistance.
If the warning light
 begins to flash while driving, a fault exists in the engine control.
The engine management syst em selects an emergency programme which enables you
to drive to the nearest specialist garage by adopting a gentle style of driving.
The following text will be displayed in the information display*:
ENGINE WORKSHOP!
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Instruments and warning lights
30
In this case have the engine inspected without delay by a specialist garage.
The following text will be displayed in the information display*:
OIL SENSOR WORKSHOP!
WARNING

If you must stop for technical reasons, then park the vehicle at a safe
distance from the traffic and switch off the engine and switch on the hazard
warning light system page 48.

The red oil pressure light

is not an oil level indicator! One should there-
fore check the oil level at regular inte rvals, preferably after every refueling
stop.
Open door*

The warning light
 comes on, if one or several doors are opened.
The warning light on vehicles fitted with information display comes on when switching
the ignition off. If a door or the boot lid is opened.
The warning light on vehicles fitted with information display goes out after switching
the ignition off.
Antilock brake system (ABS)*

The warning light
 shows the functionality of the ABS and the Electronic Differential
Lock (EDL)*.
The warning light comes on for a few seconds after the ignition has been switched on
or when starting the engine. The warning light goes out after an automatic check
sequence has been completed.
A fault in the ABS
The system is not functioning properly if the ABS warning light
 does not go out
within a few seconds after switching on the ignition, does not light up at all or lights up
while driving. The vehicle will only be br aked by the normal brake system. Visit a
specialist garage as quickly as possible and adjust your style of driving to take account of the fault in the meantime since you will no
t know the extent of the fault and in how
far the effect of the antilock brakes is affected.
Further information about ABS page 126, “Antilock brake system (ABS)*”.
A fault in the entire brake system
If the ABS warning light
 comes on together with the brake system warning light

(handbrake must be released), there is a fault not only in the ABS but also in another
part of the brake system .
Electronic Differential Lock (EDL)*
The EDL is a part of the ABS. A fault in the EDL is indicated by the lighting up of the ABS
warning light
 in the instrument cluster. Have the vehicle inspected immediately by
your nearest specialist garage.
Models fitted with ESP are equipped with electronic differential lock (EDL).
If a significant fault occurs in the ABS syst em, a warning signal sounds additionally (3
peeps).
Further information on the EDL page 124.
WARNING

If the brake system warning light
 comes on together with the ABS
warning light
 stop the vehicle immediately an d check the brake fluid level in
the reservoir page 154, “Brake fluid”. If the fluid level has dropped below the
MIN marking, do not drive any further - risk of accident! Obtain professional
assistance.

Pay attention to the following instruct ions before checking the brake fluid
level and opening the bonnet page 148, “Working in the engine compart-
ment”.

If the brake fluid is at the correct leve l, the ABS control function has failed.
The rear wheels may then block very rapi dly when braking. In certain circum-
stances, this can result in the rear end of the car breaking away - risk of skid-
ding! Drive carefully to the nearest sp ecialist garage and have the fault
rectified.
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Instruments and warning lights31
Using the system
Safety
Driving Tips
General Maintenance
Breakdown assistance
Technical Data
Traction control system (TCS)*

The warning light
 comes on for a few seconds when the ignition is switched on.
The warning light flashes when a control cycle is activated while driving.
The warning light will come on and remains on if the TCS is switched off or if there is a
fault in the system.
The fact that the TCS system operates together with the ABS means that the TCS
warning light will also come on if the ABS system is not operating properly.
If the warning light  comes on immediately after starting the engine, the TCS system
can be switched off for technical reasons. In this case, the TCS system can be switched
on again by switching the ignition on and off. If the warning light goes out, the TCS
system is fully functional again.
Further information about the TCS page 125, “Traction control system (TCS)”.
Electronic stability programme (ESP)*

The warning light
 comes on for a few seconds when the ignition is switched on.
Components of the ESP system also include the Traction Control System (TCS), the
Electronic Differential Lock (EDL) and the Antilock Brake System (ABS).
The warning light flashes when a control cycle is activated while driving.
The warning light will come on and remains on if the ESP is switched off or if there is a
fault in the system.
The fact that the ESP system operates together with the ABS and the EDL means that
the ESP warning light will also come on if the ABS system is not operating properly.
If the warning light  comes on immediately after starting the engine, the ESP system
can be switched off for technical reasons. In this case, the ESP system can be switched
on again by switching the ignition on and off. If the warning light goes out, the ESP
system is fully functional again.
Further information on the ESP page 123, “Electronic stability programme (ESP)*”.
Note
If the battery has been disconnected and reconnected, the warning light
 comes on
after switching on the ignition. The warning light must go out after driving a short
distance.
Alternator

The warning light
 comes on after the ignition has been switched on. It should go
out after the engine has started.
If the warning light does not go out after the engine has started, or comes on when
driving, drive to the nearest specialist garage. The vehicle battery will be discharged in
this case so switch off all non-essential electrical components.
A peep sounds as an additional warning signal.
Caution
If the warning light
 comes on when driving and in addition the warning light

(cooling system fault) also comes on in di splay, you must then stop the car immedi-
ately and switch the engine off - risk of engine damage!
Brake system

The warning light
 comes on for several seconds afte r the ignition is switched on.
If the warning light  stays on when the ignition is switched on or comes on while
driving, there is a fault in the brake system. Visit the nearest specialist garage immedi-
ately and have the brake system inspected.
The following text will be displayed in the information display*:
STOP BRAKE FLUID SERVICE MANUAL
3 peeps sound as an additional warning signal.
One should get used to high pedal forces, long braking distances and long free play of
the brake pedal when driving to the next specialist garage.
For further information on the brake system page 125, “Brakes”.
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Seats and Storage63
Using the system
Safety
Driving Tips
General Maintenance
Breakdown assistance
Technical Data

There must be no objects on the floor which could roll under the pedals. You
would then no longer be able to apply the brakes, operate the clutch or accel-
erator - risk of accident!
luggage compartmentLoading the luggage compartmentPlease observe the following in the interest of having good handling characteristics of
your vehicle:
– Distribute the items of luggage as evenly as possible.
– Place heavy objects as far forward as possible.
– Attach the items of luggage to the lashing eyes or the fixing net* page 64.
In the event of an accident, there is such a high kinetic energy which is produced by
small and light objects that th ey can cause severe injuries. The magnitude of the kinetic
energy depends on the speed at which the vehi cle is travelling and on the weight of the
object. The speed at which the vehicle is travelling is in this case the more significant
factor.
Example: In the event of a frontal collision at a speed of 50 km/h, an unsecured object
with a weight of 4.5 kg produces an ener gy, which corresponds to 20 times its own
weight. This means that it results in a weight of approx. 90 kg. You can imagine the inju-
ries that can occur, if this “bullet” is fl ying through the interior compartment and hits
an occupant.
WARNING

Stow the objects in the luggage compartm ent and attach them to the lashing
eyes.

Loose objects in the passenger compartment can be thrown forward during
a sudden manoeuvre or in case of an accident and can injure the occupants or
other oncoming traffic. This risk is still increased, if the objects which are flying around are hit by a deployed airbag. In this case, the objects which are thrown
back can injure the occupants - hazard.

Please note that the handling properties of your vehicle may be affected
when transporting heavy objects as a result of the displacement of the centre of
gravity. The speed and style of driv ing must be adjusted accordingly.

The items carried in the luggage compartment should be stowed in such a
way that no objects are able to slip fo rward if there are any sudden driving or
braking manoeuvres underta ken - risk of injury!

Never drive with the boot lid fully open ed or slightly ajar otherwise exhaust
gases may get into the interior of the vehicle - risk of poisoning!

On no account exceed the permissible axle loads and the permissible gross
weight of the vehicle - risk of accident!

Never transport occupants in the luggage compartment!Caution
Please ensure that the heating elements of the rear window heater are not damaged
as a result of objects sliding in this area.
Note
Tyre pressure must be adjusted to the load page 160, fig. 153 .
WARNING (continued)
WARNING (continued)
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Seats and Storage
74
The power socket, which fulfils the requirem ents of DIN standard ISO 4165, must only
be used for connecting approv ed electrical accessories with a power uptake of up to
120 watts. The vehicle battery will be discharged in the process if the engine is
stationary.
The same remarks apply here as for page 73.
Further information page 166, “Accessories, change s and replacement of parts”.Storage compartmentsOverviewYou will find the following storage facilities in your vehicle:
WARNING

Please do not place anything on top of the dash panel. Such objects might
slide or fall down when driving (when accelerating or cornering) and may
distract you from concentrating on the traffic situation - risk of accident!

Use the storage compartments in the door panels only for small items which
do not project out of the compartment in order to avoid any interference with
the proper operation of the side airbags.

Ensure that when driving no objects from the centre console of from other
storage possibilities may get into the fo otwell of the driver. You would then no
longer be able to apply the brakes, oper ate the clutch or accelerator - risk of
accident!
Storage compartment on the front passenger sideOpening and closing the storage compartment on the front passenger
side– Pull the handle of the lid in direction of arrow fig. 88 and fold it downwards.
– Raise the lid and press it until the catch is heard to engage.
The storage compartment can be locked an d unlocked using the vehicle key (if the
storage compartment is lockable*).
WARNING
The storage compartment must always be closed when driving for safety
reasons.
Storage compartment on the front passenger side
 page 74
Storage compartment below steering wheel
 page 9
Storage compartment in the middle part of the dash
panel
page 9
Storage compartment for spectacles*
page 75
Storage compartment in the front doors
 page 9
Front seat armrest with storage compartment*
page 75
Rear armrest with storage compartment*
page 76
Clothes hooks*
page 76
WARNING (continued)
Fig. 88 Dash panel: Storage
compartment on the front
passenger side
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Starting-off and Driving91
Using the system
Safety
Driving Tips
General Maintenance
Breakdown assistance
Technical Data
Releasing the handbrake– Pull the handbrake lever up slightly and at the same time press in the locking
button page 90, fig. 102 .
– Hold the button pressed and push the handbrake lever down fully .
The handbrake warning light
 lights up when the handbrak e is applied, provided the
ignition is on.
A warning signal sounds and the following text appears in the display* if you have
inadvertently driven off wi th the handbrake applied:
HANDBRAKE ON
The handbrake warning is acti vated if you drive at a speed of more than 6 km/h for
more than 3 seconds.
WARNING

Please note that the handbrake must be fully released. A handbrake which
is only partially released can result in the rear brakes overheating which will
have a negative effect on the operation of the brake system - risk of accident! In
addition this can result in premature wear of the rear brake pads.

Never leave children unattended in the vehicle. The children might, for
example, release the handbrake or take the vehicle out of gear. The vehicle
might then move off - risk of accident!Caution
Each time the vehicle is parked, first of all apply the handbrake and then additionally
engage the 1st gear.
Rear parking aid*The parking aid provides a warning of obstacles behind the vehicle.The audible parking aid determines the di stance between the rear bumper and an
obstacle located behind the vehicle with the aid of ultrasound sensors. The sensors are
integrated in the rear bumper.
Range of sensors
The clearance warning begins at a distance of about 160 cm from the obstacle (area
 fig. 103 ). The interval between the warning signals becomes shorter as the clear-
ance is reduced.
A continuous tone sounds from a distance of approx. 30 cm (area ) - danger area.
You should not reverse any further after this signal sounds!
Activating
The parking aid is activated automatically when reverse gear is engaged and the igni-
tion is turned on. This is confirmed by a brief acknowledgement signal.
Deactivating
The parking aid is deactivated by removing the reverse gear.
Fig. 103 Parking aid: Detection
range of rear sensors
AA
AB
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Seat belts105
Using the system
Safety
Driving Tips
General Maintenance
Breakdown assistance
Technical Data
– Slowly pull the belt webbing at the tongue
of the lock over your chest and pelvis
 .
– Insert the tongue of the lock into the seat belt buckle belonging to the seat until it is heard to lock in place.
– Pull on the belt to check that it has also reliably engaged in the lock.
Each three-point seat belt is equipped with an inertia reel. This inertia reel offers you
complete freedom of movement if the belt is unreeled slowly. If the brakes are applied
suddenly, the inertia reel will block. It also blocks the belts when the car accelerates,
when driving uphill and when cornering.
Expectant mothers must also wear the seat belt .
WARNING

The shoulder part of the seat belt must never run across your neck but must
run approximately over the middle of the shoulder and fit snugly against the
chest. The lap part of the belt must run across the hip and must never be routed
across the stomach. It must always fit snugly page 104, fig. 111 . Adjust the
belt webbing as required.

The lap part of the belt should be positioned as low as possible at the pelvis
of an expectant mother in order to avoid exerting any pressure on the lower
abdomen.

Always ensure that the webbing of the seat belts is properly routed. Seat
belts which are not correctly adjusted ca n themselves cause injuries even in
minor accidents.

A seat belt which is hanging too loose can result in injuries as your body is
moved forward by the kinetic energy produced in an accident and is then
suddenly held firm by the belt.

Only insert the lock tongue into the lock which is the correct one for your
seat. This will affect the protection which the belt offers and increase the risk of
an injury.
Seat belt height adjusterThe seat belt height adjuster makes it possible for you to adapt the routing of the three-
point seat belt in the area of the shoulder to match your body size.
– In order to adjust the height, press on the upper seat belt deflection and push it into the desired direction up or down so th at the shoulder part of the belt is posi-
tioned approximately across th e middle of your shoulder page 104, fig. 111 .
– Then pull firmly on the belt to ensure that the seat belt height adjuster has correctly
locked in place.
WARNING
Adjust the height of the belt in such a way that the shoulder part of the belt is
positioned approximately across the middle of your shoulder - on no account
across your neck.
Note
It is also possible to adapt the routing of the belt webbing at the front seats by adjusting
the height of the seat.
Fig. 113 Front seat: Seat belt
height adjuster
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Intelligent Technology
124WARNING
It is also not possible for the ESP to overcome the physical limits of the vehicle.
Even if a vehicle fitted with ESP you should still always adapt your style of
driving to the condition of the road surface and the traffic situation. This partic-
ularly applies when driving on slippery and wet roads. The increased safety
offered must not tempt you to take greater risks than otherwise - risk of an acci-
dent!
Note

All four wheels must be fitted with the same tyres in order to achieve problem-free
operation of the ESP. Differing rolling circum ferences of the tyres can lead to an unde-
sirable reduction in the engine output.

Changes to vehicle (e.g. on engine, on th e brakes, on chassis or another combina-
tion of tyres and wheels) can influence the function of the ESP page 166, “Accesso-
ries, changes and replacement of parts”.
Electronic Differential Lock (EDL)*
The electronic differential lock prev ents an individual wheel from slip-
ping.Vehicles fitted with ABS* can be equipped with electronic differential lock (EDL).
General
The EDL makes it much easier, and sometimes at all possible, to start off, accelerate
and climb a steep hill when the conditions of the road surface are unfavourable.
Operating principle
The EDL is activated automaticall y, that is without any action on the part of the driver.
It monitors the speeds of the driven wheels with the aid of the ABS sensors. Should
only one drive wheel begin spinning on a slippery surface there will be an appreciable
difference in the speed of the driven wheels. The EDL function brakes the slipping
wheel and the differential transmits a greate r driving force to the other driven wheel.
This control process is also accompanied by noises. Overheating of the brakes
The EDL switches off automatica
lly if unusually severe stresses exist in order to avoid
excessive heat generation in the disc brak e on the wheel which is being braked. The
vehicle can continue to be driven and has the same characteristics as a vehicle not
fitted with EDL.
The EDL switches on again automatically as soon as the brake has cooled down.
WARNING

Carefully depress the accelerator when accelerating on uniformly slippery
road surfaces, such as ice and snow. Th e driven wheels might still spin despite
the EDL and affect the stability of the vehicle - risk of an accident!

You should always adapt your style of driving to the condition of road
surface and to the traffic situation even when your vehicle is fitted with EDL.
The increased safety offered must not tempt you to take greater risks than
otherwise - risk of an accident!Note

If the ABS warning light comes on, this may also indicate a fault in the EDL. Please
have the vehicle inspected as soon as possible by a specialist garage.

Changes to vehicle (e.g. on engine, on the brakes, on chassis or another combina-
tion of tyres and wheels) can influence the function of the EDL page 166, “Accesso-
ries, changes and replacement of parts”.
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Intelligent Technology125
Using the system
Safety
Driving Tips
General Maintenance
Breakdown assistance
Technical Data
Traction control system (TCS)
The traction control system prevents the driven wheels from spinning
when accelerating.General
The TCS makes it much easier, and sometimes at all possible, to start off, accelerate
and climb a steep hill when the conditions of the road surface are unfavourable.
Operating principle
The TCS switches on automatically when th e engine is started and then conducts a
self-test. The system monitors the speeds of the driven wheels with the aid of the ABS
sensors. If the wheels are spinning, the force transmitted to the road surface is auto-
matically adapted by reducing the engine speed. The system operates at all speeds.
The TCS operates in combination with the ABS page 126, “Antilock brake system
(ABS)*”. The TCS will not function if a fault exists in the ABS system.
The TCS warning light lights up in the instru ment cluster when there is a fault on the
TCS page 31.
Switching off
You can switch the TCS off and on again as you wish by pressing the button fig. 135 .
The TCS warning light lights up in the instru ment cluster when the system is switched
off page 31.
The TCS should normally always be switched on. It may be good practice in certain
exceptional cases, such as when you wish to have wheel slip, to switch off the system. Examples:

when driving with snow chains

when driving in deep snow or on a loose surface

when it is necessary to rock a vehicle when it has become stuck.
then you should switch on the TCS again.
WARNING
You should always adjust your style of driving to the conditions of the road
surface and the traffic situation. The increased safety offered must not tempt
you to take greater risks than otherwise - risk of an accident!
Note

All four wheels must be fitted with the same tyres in order to achieve problem-free
operation of the TCS. Differing rolling circumferences of the tyres can lead to an unde-
sirable reduction in the engine output.

Changes to vehicle (e.g. on engine, on the brakes, on chassis or another combina-
tion of tyres and wheels) can influence the function of the TCS page 166, “Accesso-
ries, changes and replacement of parts”.
BrakesWhat has a negative effect on braking efficiency?Wear-and-tear
Wear-and-tear to the brake pa ds is greatly dependent on the operating conditions of
the vehicle and your style of driving. Particularly if you drive a great deal in towns and
over short distances or if you adopt a sporty style of driving, it may be necessary to
have the thickness of the brake pads insp ected at a specialist garage between the
service inspections.
Wet roads or road salt
There may be a certain delay before the brakes take full effect un der certain conditions
such as when driving through water, during heavy rain showers or after the vehicle has
been washed in an automatic vehicle wash , since the brake discs and brake pads may
Fig. 135 TCS switch
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