See also:

Cruise control lever
Cruise control lever 1 To switch on or to increase the speed 2 To switch on or to reduce the speed 3 To deactivate cruise control 4 To switch on with the current speed or with the last stored sp ...

Restoring the factory settings
► Press the buttons simultaneously for approximately six seconds until the battery check lamp flashes twice. ...

Important safety notes
WARNING Severe conditions (e.g. strong air pollution) may require replacement of the filter before its scheduled replacement interval. A clogged filter will reduce the air volume to the int ...