128Driving and operating
The control indicator ! extinguishes
as soon as the self-cleaning
operation is complete.
If A illuminates additionally, cleaning
is not possible, seek the assistance of
a workshop.
Catalytic converter
The catalytic converter reduces the
amount of harmful substances in the
exhaust gases.
Caution
Fuel grades other than those listed on pages 3 144, 3 200 could
damage the catalytic converter or
electronic components.
Unburnt petrol will overheat and
damage the catalytic converter.
Therefore avoid excessive use of the starter, running the fuel tank
dry and starting the engine by
pushing or towing.
In the event of misfiring, uneven
engine running, a reduction in engine performance or other unusual
problems, have the cause of the fault
rectified by a workshop as soon as
possible. In an emergency, driving
can be continued for a short period,
keeping vehicle speed and engine
speed low.
Automatic transmission
The automatic transmission makes
automatic shifting possible
(automatic mode) and the version
with ActiveSelect also makes manual
shifting possible (manual mode).
Transmission display
The mode or selected gear is shown
in the transmission display.
