See also:

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

Adjusting the lumbar support
You can adjust the lumbar support using COMAND. ...

Important safety notes
Have the batteries changed at a qualified specialist workshop. WARNING Batteries contain toxic substances. Swallowing batteries can lead to serious health issues or death. Keep batteries out ...