See also:

Avoiding a section of the route blocked by a traffic jam
This function blocks a section of the route ahead of you. You can set the length of the blocked route section. If possible, COMAND calculates a detour around the blocked section of the route. ...

Downhill gradients
On long and steep gradients, you must reduce the load on the brakes by shifting early to a lower gear. This allows you to take advantage of the engine braking effect and helps avoid overheatin ...

Cleaning the display
► Before cleaning the display, make sure that it is switched off and has cooled down. ► Clean the display surface using a commercially-available microfiber cloth and TFT/LCD display ...