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and turn it on again. Upon switching on the
ignition again, if the warning lamp has
switched off, this means the TCS is function-
ing correctly again.
If the warning lamp remains illuminated,
there is a fault in the TCS.
The informative display indicates:
Report No.: Traction control system (ASR)
Go to a technical service.
›››
Further information
page 109, Traction
control system
(ASR).
Anti-lock system (ABS)
If the warning lamp is illuminated, there is
a fault in the ABS.
The informative display indicates:
ABS fault
The brake system alone is operational in the
vehicle, without ABS.
Go to a technical service.
WARNING
●
If the
warning lamp illuminates together
›››
with the
page 33
warning lamp,
stop the vehicle! Go to a technical service.
36
Operation
A fault in the Anti-lock brake system (ABS)
●
can lead to longer braking distances – Risk of
accident!
Rear fog light
The control lamp lights up when the rear
fog light is switched on
Bulb fault
The control lamp lights up when there is a
fault in a bulb:
●
for several seconds after switching on the
ignition,
●
When connecting a faulty bulb
This is indicated on the informative display,
e.g.:
Check the front right dipped beam headlight!
Note
The rear side lights and number plate light
contain several bulbs. The control lamp
lights up only when there is a fault in all the
number plate bulbs or side light bulbs (of a
,
combined tail light). Therefore it is advisable
to regularly check the bulb operation.
Emission control system
If the warning lamp is lit up, there is a
fault in the emission system. The engine con-
trol unit allows driving to continue in an
emergency program.
Go to a technical service.
›››
page
64.
Preheating (diesel engines)
When you switch on the ignition, the warning
lamp lights up. The engine can be started
straight away when the lamp switches off.
If the warning lamp does not illuminate or
if it does not switch off, there is a fault in the
glow plug system.
If the warning lamp starts to flash while
driving, there is a fault in the engine power
control electronic system. The engine control
unit allows driving to continue in an emer-
gency program.
Go to a technical service.
Engine management system
(petrol engines)
If the warning lamp is illuminated, there is
a fault in the engine management system.
The engine control unit allows driving to con-
tinue in an emergency program.
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