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32
Instruments and Indicator/Warning Lights
If the engine control unit detects that the operating conditions for the
regeneration are not optimal (e.g. slow city driving), an indicator light
the instrument cluster is illuminated. The soot particles must be burned in
the filter. The combustion is performed when you are driving at least 60
km/h for 5 to 10 minutes. The warning light goes out.
If the warning light remains on despite this measure, the following text
appears in the display of the instrument cluster*: ENGINE WORKSHOP!
(ENGINE FAULT WORKSHOP!). In this case contact a specialist garage
to obtain assistance.
WARNING
•
Please pay attention to the traffic regulations and speed limits.
•
It is prohibited to use biofuel and diesel fuel mixture (RME) for
diesel vehicles which are fitted with diesel particle filter.
Note
The servicing of the diesel particle filter and the replenishing of the addi-
tive are performed by a specialist garage in the framework of the regular
inspection, see Service shedule.
Glow plug system
The indicator light
lights up for a cold engine when switching on the
ignition (pre-heat position) 2 ⇒ page 122. Start the engine just as soon 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.
(diesel engine)
There is a fault in the glow plug system if the indicator light
in
come on at all or lights up continuously. Contact a specialist garage as
soon as possible to obtain assistance.
There is a system fault in the engine control system if the warning light
has started to flash while driving. The engine management system selects
an emergency program 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! (ENGINE FAULT - WORKSHOP!)
Coolant temperature, Coolant quantity
The warning light comes on for a few seconds
switched on.
The coolant temperature is too high or the coolant level too low if the
warning light
does not go out after the engine is started or flashes while
driving.
3 peeps sound as an additional warning signal.
In this case stop and switch the engine off and check the coolant level;
top up the coolant as necessary.
Do not continue your journey if for some reason it is not possible under
the conditions prevailing to top up with coolant. Keep the engine
switched off and obtain professional assistance from a specialist garage,
otherwise it could lead to severe engine damage.
1)
The warning light on vehicles fitted with information display comes on after
switching the ignition on
does not
1)
when the ignition is
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