Turn knurled ring (A) to ON.
The device may only be engaged in the 4th or 5th or 6th gear. Travelling downhill with the device engaged, the car speed may increase more than the memorised one.
When the device is activated, the warning light Ü on the instrument cluster turns on together with the message on the reconfigurable multifunction display (where provided) (see section “Warning lights and messages”).
See also:
Service schedule
The scheduled service must be carried out every 20,000 km.
(*) Or every 4 years for very demanding use (cold climate, idling in city traffic,
dusty areas).
Or every 5 years, regardless from th ...
Fluid Capacities
...
Changing the battery
If required, replace the battery with a genuine spare part having the same specifications.
If a battery with different specifications is fitted, the service intervals given
in the “Service schedule ...