See also:

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. ...

Problems with PARKTRONIC
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Activating video DVD mode
Option 1 Insert a video DVD. COMAND loads the medium inserted and starts to play it. Option 2 Select Video in the main function bar by sliding and turning the COMAND controller and pres ...