See also:

Fast forward/rewind
While the display/selection window is active, slide and hold the COMAND controller until the desired position has been reached. ...

Problems with the SmartKey
Problem Possible causes/consequences and  Solutions You cannot lock or unlock the vehicle using the SmartKey. The SmartKey battery is discharged or nearly discharged ...

SmartKey
SmartKey 0 To remove the SmartKey Vehicles with automatic transmission: shift the transmission to position P 1 Power supply for some consumers, such as the windshield wipers 2 Ignition (power su ...