See also:

High outside temperatures
If DEF heats up to over 122 °F (50 °C ) for extended periods, e.g. as a result of direct sunlight on the DEF reservoir, DEF can decompose. Ammonia vapors develop as a result. WARNING When o ...

Setting the map scale
To hide the menu: slide the COMAND controller and, when the Full screen menu item is shown, press . To call up the scale bar: as soon as you turn the COMAND controller, scale bar 3 ap ...

Setting the exterior mirrors
This function is only available in vehicles for Canada. If the battery has been disconnected or completely discharged, the exterior mirrors must be reset. The exterior mirrors will otherwise ...